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Joled Inc patents


Recent patent applications related to Joled Inc. Joled Inc is listed as an Agent/Assignee. Note: Joled Inc may have other listings under different names/spellings. We're not affiliated with Joled Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "J" | Joled Inc-related inventors


Semiconductor device

A semiconductor device includes a substrate, a first wiring line, a semiconductor film, a second wiring line, and an insulating film. The substrate includes first, second, and third regions provided adjacently in this order in a predetermined direction. ... Joled Inc

Drive circuit

A drive circuit having an output terminal includes a buffer circuit including a first transistor and a second transistor that are connected in parallel between a power supply and the output terminal. The first transistor and the second transistor are controlled such that after the first transistor and the second transistor are simultaneously turned on, the second transistor is turned off earlier than the first transistor.. ... Joled Inc

Display panel and display unit

A display panel according to an embodiment of the technology is provided with a plurality of pixels. The pixels each include a light-emitting device and a pixel circuit. ... Joled Inc

Semiconductor device and display unit

A semiconductor device includes a substrate, a gate electrode, an oxide semiconductor film, a first electrode, a second electrode, and a third electrode. The gate electrode is provided on the substrate. ... Joled Inc

El display apparatus

An electroluminescent (el) display apparatus and method are provided. A display screen includes pixels. ... Joled Inc

El display apparatus

An electroluminescent (el) display apparatus and method of control are provided. A display screen includes gate signal lines which intersect source signal lines. ... Joled Inc

Thin film transistor and method for manufacturing thin film transistor

A thin film transistor includes a gate electrode. The thin film transistor further includes an oxide semiconductor layer which includes at least indium and is usable as a channel layer, wherein a region of the oxide semiconductor layer closest to the gate electrode includes fluorine. ... Joled Inc

Semiconductor device, method of manufacturing semiconductor device, and display unit

A semiconductor device includes a substrate. The semiconductor device further includes a first transistor. ... Joled Inc

Light emission device, display apparatus, and illumination apparatus

Provided is a light emission device including: first and second light emission element regions; first to fourth reflection interfaces; a light extraction plane; and first and second light emission layers. The first reflection interface is provided in the first and second light emission element regions. ... Joled Inc

Semiconductor device, display unit, method of manufacturing display unit, and electronic apparatus

There is provided a semiconductor device that includes a substrate, an electric field shielding layer, and a semiconductor element. The electric field shielding layer is provided on the substrate. ... Joled Inc

El display apparatus

An electroluminescent (el) display apparatus and method of controlling are provided. A display screen includes gate signal lines and source signal lines. ... Joled Inc

Manufacturing method for organic electroluminescent panel and organic electroluminescent panel

There is provided a manufacturing method for an organic electroluminescent panel that includes an organic electroluminescent element for each sub-pixel. The manufacturing method includes an application step of recoating a first organic material layer and a second organic material layer, which include principal components common to each other, to manufacture the organic electroluminescent element. ... Joled Inc

Thin-film transistor substrate

A thin-film transistor (tft) substrate is provided which includes: a substrate; a tft disposed above the substrate; and a capacitor disposed above the substrate and electrically connected with the tft, wherein the capacitor includes: a lower electrode layer disposed above the substrate and including an electrically conductive material as a main component; an upper electrode layer disposed above and opposed to the lower electrode layer and including, as a main component, an oxide semiconductor material to which electrical conductivity is given; and a capacitor insulating layer disposed between the lower electrode layer and the upper electrode layer. An extension extending outward from at least a portion of the outer edge of the lower electrode layer in plan view is provided to the lower electrode layer. ... Joled Inc

Organic el display panel manufacturing method and ink drying device

A method of manufacturing an organic electroluminescence display panel includes forming pixel electrode layers in a matrix on a substrate. The method includes arranging column banks extending in a column direction above the substrate. ... Joled Inc

05/03/18 / #20180122299

Display device, display device correction method, display device manufacturing method, and display device display method

A display device correction method includes: obtaining, in advance, first correction data for correcting a luminance signal; performing a first transform including applying an error diffusion method to the first correction data to transform the first correction data into second correction data; performing a second transform including thinning, via a predetermined thinning method, the second correction data by removing at least one but not all of the correction data components to transform the second correction data into third correction data; performing a third transform including interpolation, via a predetermined interpolation method, using pixel data components included in the third correction data, to transform the third correction data into fourth correction data; and correcting the luminance signal using the fourth correction data. In the first transform, based on the predetermined thinning method and interpolation method, the transform is performed such that the second correction data matches the fourth correction data.. ... Joled Inc

04/19/18 / #20180108861

Display unit and electronic apparatus

A display unit includes a substrate, a first electrode, a second electrode, and an organic layer. The substrate is provided with a display region that includes a plurality of pixels. ... Joled Inc

04/19/18 / #20180108711

Display device and electronic apparatus

A display device includes a pixel portion including a plurality of pixels; a display switching function portion that displays an image based on light emitted from the pixel portion, and is capable of switching a three-dimensional display and a two-dimensional display of the image; and a sensor portion that detects whether or not an object comes into contact with or approaches.. . ... Joled Inc

04/19/18 / #20180108295

Display device and display device control method

A display device includes a display pixel having: an organic el element; a capacitor element; a drive transistor having a gate electrode connected to a first electrode of the capacitor element and a source electrode connected to a second electrode of the capacitor element and to an anode electrode of the organic el element; a first switch element switching a state between a signal line supplying a voltage corresponding to a data signal and the first electrode of the capacitor element, between conducting and non-conducting states; and a resistance unit having a resistance, switching a state between a power line supplying an initialization voltage and the second electrode of the capacitor element between the conducting and non-conducting states, and disposed on a current path from a node that is a connection point of the second electrode and the anode electrode of the organic el element to the power line.. . ... Joled Inc

04/19/18 / #20180108286

Display device, image processing device, and image processing method

An image processing device includes: a gain calculation section determining a gain, on the basis of a first partial image in a first frame image that includes a process target line; and a correction section correcting pixel luminance information regarding the process target line, on the basis of the gain.. . ... Joled Inc

04/12/18 / #20180103545

Circuit substrate module and flexible display device

A circuit substrate module includes: a plurality of substrates which are arranged in a matrix, and on at least some of which circuit components are mounted; a plurality of first flexible substrates each of which is arranged between two adjacent substrates in a row direction among the plurality of substrates, and connects the two adjacent substrates; and a plurality of second flexible substrates each of which is arranged between two adjacent substrates in a column direction among the plurality of substrates, and connects the two adjacent substrates.. . ... Joled Inc

04/05/18 / #20180097192

Organic el element and organic el display panel

An organic el element includes an anode, a cathode opposing the anode, a light-emitting layer disposed between the anode and the cathode, an electron transport layer disposed in contact with a cathode-side surface of the light-emitting layer, and an electron injection layer disposed between the electron transport layer and the cathode, in contact with the electron transport layer. Lowest unoccupied molecular orbital (lumo) level of the electron transport layer is lower than at least one of lumo level of the electron injection layer and fermi level of a metal material included in the electron injection layer, and film thickness of the electron injection layer is greater than film thickness of the electron transport layer.. ... Joled Inc

04/05/18 / #20180097050

Organic el element and method for production thereof

An organic el element includes a planarized layer arranged on a substrate, an insulation layer which is arranged on the planarized layer with the region corresponding to a subpixel of the planarized layer left exposed at least partly, a pixel electrode which has an opening that defines the region corresponding to the subpixel and which is arranged on a bank arranged on the insulation layer and on the exposed part of the planarized layer, a transparent conductive layer arranged on the pixel electrode, an emission layer arranged in the opening and above at least the transparent conductive layer, and a counter electrode arranged above the emission layer. The insulation layer is interposed between a bottom of the bank and the planarized layer. ... Joled Inc

04/05/18 / #20180096929

Semiconductor device and display device

Provided is a semiconductor device that includes: an integrated circuit (ic) chip including a terminal array that is a matrix of terminals arranged in at least seven rows and at least seven columns, the terminals including a reference terminal to which a reference voltage is applied; a capacitor electrically connected to the reference terminal; and a substrate including one main surface as a mounting surface on which the ic chip and the capacitor are mounted. The ic chip is an application specific integrated circuit (asic) chip or a field-programmable gate array (fpga) chip. ... Joled Inc

03/29/18 / #20180090716

Organic el element and method of manufacturing organic el element

An organic electroluminescence element includes an anode, a light-emitting layer disposed over the anode, a functional layer disposed on the light-emitting layer in contact with the light-emitting layer and including a first metal, a light-transmitting conductive layer disposed on the functional layer in contact with the functional layer and composed of a metallic oxide, and a cathode disposed on the light-transmitting conductive layer in contact with the light-transmitting conductive layer and composed of a metal. The functional layer has a film thickness of 15 to 35 nm. ... Joled Inc

03/29/18 / #20180090685

Organic electroluminescent device using aryl amine derivative containing heterocycle

An organic electroluminescent device including: an anode, a cathode, an emitting layer formed of an organic compound and interposed between the cathode and the anode, and two or more layers provided in a hole-injecting/hole-transporting region between the anode and the emitting layer; of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is in contact with the emitting layer containing a compound represented by the formula (1); and of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is interposed between the anode and the layer which is in contact with the emitting layer containing an amine derivative represented by the formula (2).. . ... Joled Inc

03/29/18 / #20180090546

Organic el display panel and method of manufacturing organic el display panel

An organic el display panel having a plurality of pixels arranged, the pixels each including blue, green and red sub-pixels, includes: a substrate; a first pixel electrode layer, a first hole injection layer, a first hole transport layer and a blue organic light-emitting layer provided in regions of the blue sub-pixels over the substrate in this order from the substrate side; a second pixel electrode layer, a second hole injection layer, a second hole transport layer and a green organic light-emitting layer provided in regions of the green sub-pixels over the substrate in this order from the substrate side; a third pixel electrode layer, a third hole injection layer, a third hole transport layer and a red organic light-emitting layer provided in regions of the red sub-pixels over the substrate in this order from the substrate side; and a counter electrode layer provided over the blue, green and red organic light-emitting layers.. . ... Joled Inc

03/22/18 / #20180083223

Display unit with moisture proof film outside of seal section and electronic apparatus with said display unit

A display unit including a first substrate and a second substrate that are disposed to face each other, a first organic insulating layer on the first substrate, a plurality of light-emitting elements arrayed in a display region, the display region on the first organic insulating layer and facing the second substrate and a first moisture-proof film covering the first organic insulating layer in a peripheral region, in which the peripheral region is provided on the first substrate and surrounds the display region.. . ... Joled Inc

03/15/18 / #20180076330

Thin-film transistor, method of manufacturing the same, and display device

A thin film transistor is provided. The thin film transistor includes an oxide semiconductor layer including a source region, a drain region, and a channel region wherein a portion of the source and drain regions has an oxygen concentration less than the channel region. ... Joled Inc

03/08/18 / #20180069178

Solution for organic el, method of producing organic el device and organic el device

According to one embodiment, a solution for organic el contains a mixed solvent of two or more kinds of organic solvents which contain at least a first organic solvent and a second organic solvent, and an organic el contributing material dissolved into the mixed solvent. The coordinates (hsp coordinates) specified by hansen solubility parameters of the first organic solvent are hd in a range of 17.5 to 19.5 (j/cm3)1/2, hp in a range of 3.5 to 5.5 (j/cm3)1/2 and hh in a range of 3.5 to 5.5 (j/cm3)1/2. ... Joled Inc

02/22/18 / #20180053818

Display unit, method of manufacturing display unit, and electronic apparatus

A display unit includes a display panel including a display region and a terminal region on a first substrate, the display region including a plurality of pixels, each of the plurality of pixels including a light emitting element, and the terminal region including a plurality of terminals at a part of a peripheral region of the display region. The light emitting element includes a first electrode, an organic layer, and a second electrode that is provided commonly to the plurality of pixels, in order from the first substrate side. ... Joled Inc

02/15/18 / #20180048844

Video signal processing method, integrated circuit for video signal processing, and video signal processing apparatus

A video signal processing method includes: dividing a current frame which is to be processed into a plurality of blocks which are predetermined rectangular blocks; calculating, for each of the plurality of blocks divided into in the dividing, a feature quantity relating to luminance of pixels in the block; calculating first correction data, based on a feature quantity calculated from each of first blocks located above a first horizontal boundary in the current frame and a feature quantity calculated from each of one or more blocks located below a first horizontal boundary in a previous frame which has been processed immediately before the current frame; and correcting luminance of pixels in each of the first blocks in the current frame, based on the first correction data calculated in the calculating.. . ... Joled Inc

02/15/18 / #20180047798

Organic el display panel and method of manufacturing organic el display panel

An organic electroluminescence (el) display panel including pixels arranged in a matrix, the organic el display panel includes: a substrate; pixel electrode layers made of a light-reflective material and arranged on the substrate in a matrix; an insulating layer provided at least above row and column outer edges of the pixel electrode layers and above inter-regions on the substrate between the row and column outer edges; an organic functional layer provided above the pixel electrode layers; and a counter electrode layer made of a light-transmissive material and is provided above the organic functional layer, wherein the organic functional layer includes light-emitting layers that are provided in regions above the pixel electrode layers where the insulating layer is not provided, the light-emitting layers causing organic electroluminescence, and the insulating layer has an optical density of 0.5 to 1.5 in a direction of the substrate when viewed in plan.. . ... Joled Inc

02/15/18 / #20180047326

Display device, display device correction method, display device manufacturing method, and display device display method

Provided is a correction method performed in a display device including a matrix of pixels each including an organic el element that emits light in accordance with a luminance signal. The method includes: obtaining, in advance, first correction data for correcting the luminance signal; transforming the first correction data into second correction data smaller in data size than the first correction data; and correcting the luminance signal using the second correction data. ... Joled Inc

02/08/18 / #20180040828

Organic electroluminescent device using aryl amine derivative containing heterocycle

An organic electroluminescent device including: an anode, a cathode, an emitting layer formed of an organic compound and interposed between the cathode and the anode, and two or more layers provided in a hole-injecting/hole-transporting region between the anode and the emitting layer; of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is in contact with the emitting layer containing a compound represented by the formula (1); and of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is interposed between the anode and the layer which is in contact with the emitting layer containing an amine derivative represented by the formula (2).. . ... Joled Inc

02/01/18 / #20180033845

Organic el display panel and organic el display device

An organic el display panel includes plural streaks of first partition walls 16 on the upper side of an underlying layer 13 in such a manner that each of the plural streaks of the first partition walls 16 extends along a first direction, plural streaks of second partition walls 14 that are on the upper side of the underlying layer 13 in such a manner that each of the plural streaks of the second partition walls 14 extends along a second direction intersecting the first direction, and each have an upper surface 14a at a position lower than upper surfaces 16a of the first partition walls 16, and a light emitting layer 17 formed along the first direction on the upper side of the underlying layer 13 and in gaps 20 between the first partition walls 16 adjacent to each other in such a manner as to get over the plural streaks of the second partition walls 14. An organic el display panel in which luminance unevenness is suppressed is thereby obtained.. ... Joled Inc

02/01/18 / #20180030297

Ink for organic el

According to one embodiment, an ink for organic el includes an organic el contributing material and an organic solvent. A relative energy difference red based on hansen solubility parameters which attribute to the organic el contributing material and the organic solvent, respectively, is less than 0.5.. ... Joled Inc

01/25/18 / #20180026222

Organic electroluminescence device, organic electroluminescence unit, and electronic apparatus

An organic electroluminescence device includes, in order, a first electrode, a hole transport layer, an organic light-emitting layer, an electron transport layer, and a second electrode. The hole transport layer is configured by a coated film. ... Joled Inc

01/25/18 / #20180026221

Organic electroluminescence device, organic electroluminescence unit, and electronic apparatus

An organic electroluminescence device includes, in order, a first electrode, a hole transport layer, an organic light-emitting layer, an electron transport layer, and a second electrode. The hole transport layer is configured by a coated film. ... Joled Inc

01/25/18 / #20180026220

Organic electroluminescence device, organic electroluminescence unit, and electronic apparatus

An organic electroluminescence device includes, in order, a first electrode, a hole transport layer, an organic light-emitting layer, an electron transport layer, and a second electrode. The hole transport layer is configured by a coated film. ... Joled Inc

01/04/18 / #20180005582

Electroluminescent display

An el display includes a flexible board including: a plurality of connection terminals arranged at one side for connection with panel lines formed on a panel board; terminal connection lines for connecting points inside the flexible board with the connection terminals; serial connection lines for connecting between two or more of the connection terminals. On the flexible board: driver output terminals of each of gate driver ics are connected to terminal connection lines; driver input terminals of the gate driver ic are connected to either terminal connection lines or the serial connection lines; and control terminals for performing logic setting of the gate driver ic are each arranged between connection terminals and driver input terminals to which the serial connection lines are connected. ... Joled Inc

12/28/17 / #20170374733

Mounting board

A mounting board includes: a first electronic component that includes first solder balls, one of the first solder balls being surrounded by at least three of the first solder balls; a first capacitor that includes a first power supply terminal and a first ground terminal; a second electronic component that includes second solder balls, each of the second solder balls not being surrounded by at least three of the second solder balls; and a second capacitor that includes a second power supply terminal and a second ground terminal. A distance from the first ground terminal to the first electronic component is less than or equal to a distance from the first power supply terminal to the first electronic component. ... Joled Inc

12/21/17 / #20170363926

Active matrix substrate, method of manufacturing active matrix substrate, and display device

Provided is an active matrix substrate that includes a substrate, a thin film transistor, an electrode layer, and a second insulating film. The thin film transistor is provided on the substrate and includes an oxide semiconductor layer, a gate electrode, and source and drain electrodes. ... Joled Inc

12/07/17 / #20170352708

Organic electroluminescent display panel

An organic el display panel including: a substrate; pixel electrodes that are arrayed in a matrix above the substrate; first organic functional layers that are on or above the pixel electrodes in one-to-one correspondence with the pixel electrodes, the first organic functional layers spaced apart from one another; a second organic functional layer that continuously covers the first organic functional layers; and a counter electrode that opposes the pixel electrodes and covers the second organic functional layer. In the organic el display panel, the first organic functional layers each include a hole injection layer, and the second organic functional layer has greater electric resistance than each of the first organic functional layers and has a portion extending into an absence region, the absence region being a space between adjacent ones of the first organic functional layers.. ... Joled Inc

12/07/17 / #20170352314

Display device

Pixel circuits each include a write transistor having a gate electrode connected to a write control line, one of a drain electrode and a source electrode connected to a data line for transmitting data voltage corresponding to luminance of the pixel circuit, and the other of the drain electrode and the source electrode connected to a gate electrode of a drive transistor. A compensation circuit includes a compensation transistor connected to a compensation signal line and the write control line. ... Joled Inc

12/07/17 / #20170352312

Display device

An organic el display includes: a sub-pixel and a sub-pixel arranged adjacent to each other and each including a driving transistor; and a power supply line for supplying a power supply voltage to the driving transistor of the sub-pixel and the driving transistor of the sub-pixel, the power supply line being disposed at a boundary between the sub-pixel and the sub-pixel. The driving transistor of the sub-pixel and the driving transistor of the sub-pixel are oriented in a same direction.. ... Joled Inc

11/30/17 / #20170346039

Semiconductor device substrate and display unit

A semiconductor device substrate includes a substrate, a first inorganic material layer, and a functional layer. The first inorganic material layer is provided on the substrate. ... Joled Inc

11/30/17 / #20170346027

Electronic device, display unit, and electronic apparatus

An electronic device includes a substrate, a barrier film, and one of an electrically-conductive layer and a semiconductor layer. The barrier film is provided on the substrate. ... Joled Inc

11/30/17 / #20170345942

Thin-film transistor, display unit, and electronic apparatus

A thin-film transistor includes a resin substrate and a thin-film transistor layer. The resin substrate has flexibility, and has volume resistivity of equal to or greater than 1×1017 Ω·cm. ... Joled Inc

11/30/17 / #20170345849

Method of manufacturing flexible device and apparatus for manufacturing flexible device

A method of manufacturing a flexible device includes joining a first surface of a support substrate to a back surface of a flexible substrate, the first surface being opposite to a second surface of the support substrate; forming an element layer on a front surface of the flexible substrate; and performing multidirectional oblique irradiation of an interface and its vicinity between the support substrate and the flexible substrate with laser light from the second surface of the support substrate to detach the support substrate from the flexible substrate.. . ... Joled Inc

11/16/17 / #20170331059

Display apparatus and electronic apparatus

Disclosed herein is a display apparatus, including: a foldable substrate; a pixel array section including a plurality of pixels disposed on the substrate and each including an electro-optical device; the foldable substrate being folded at a substrate end portion at least on one side thereof around the pixel array section; a peripheral circuit section disposed on the substrate end portion and adapted to drive the pixels of the pixel array section; and a pad section provided on the substrate end portion on which the peripheral circuit section is provided and adapted to electrically connect the peripheral circuit section to the outside of the substrate.. . ... Joled Inc

11/16/17 / #20170331041

Method for manufacturing organic electro-luminescent element and the organic electro-luminescent element

A method for manufacturing an organic electro-luminescent (el) element includes: a first process of preparing an organic el element which includes a positive electrode, an organic layer which includes a light-emitting layer, and a negative electrode, the organic el element having a short-circuited portion where the positive electrode and the negative electrode are short-circuited; and a second process of emitting femtosecond laser light to at least one of: the transparent electrically conductive material layer and the metal layer in a short-circuited portion; and the transparent electrically conductive material layer and the metal layer around the short-circuited portion to bring the transparent electrically conductive material layer and the metal layer into high-resistance states.. . ... Joled Inc

10/26/17 / #20170309854

Organic el element and display device

An organic electroluminescent (el) element includes: a first electrode; an interlayer formed above the first electrode; an organic light-emitting layer formed using the interlayer as a foundation; and a second electrode formed above the organic light-emitting layer. The organic light-emitting layer contains at least a host material and a dopant material. ... Joled Inc

10/26/17 / #20170309696

Active-matrix display device

An active-matrix display device according to the present disclosure includes a plurality of pixels. Each of the pixels includes: a drive transistor disposed on a substrate; and an organic el element that is caused by the drive transistor to emit light and includes an am layer disposed above the substrate and a transparent electrode layer disposed above the am layer. ... Joled Inc

10/26/17 / #20170309649

Thin film transistor substrate, method for manufacturing thin film transistor substrate, and display panel

A thin film transistor substrate includes: a substrate; and a first thin film transistor and a second thin film transistor that are disposed on the substrate. The first thin film transistor includes a first gate electrode and a first oxide semiconductor layer that is used as a channel. ... Joled Inc

10/26/17 / #20170309227

Active matrix display device

A display device includes a plurality of pixels arranged in rows and columns, a plurality of first power lines that extend in a pixel column direction and through which a power supply voltage is supplied to the pixels, and a plurality of second power lines that extend in the pixel column direction and through which an initialization voltage different from the power supply voltage is to the pixels. The number of first power lines is greater than the number of second power lines.. ... Joled Inc

10/12/17 / #20170294610

Organic el display panel, organic el display device, and method of manufacturing organic el display panel and organic el display device

In an organic electroluminescence (el) display panel including: a substrate that is flexible and is made of a resin material; a plurality of light-emitting elements that are disposed on the substrate and are spaced away from one another; and a plurality of wire units that are disposed on the substrate and establish electrical connection between the plurality of light-emitting elements, a first region of the substrate that is below the light-emitting elements has greater stiffness than a second region of the substrate that is a remainder of the substrate.. . ... Joled Inc

10/12/17 / #20170294160

Display device and method for driving same

Provided is a method for driving a display device including: a display unit having a sub-pixel having a first light emitting element (organic el element) and a first driving transistor for supplying a first electric current corresponding to a first gray level signal, and a sub-pixel having a second light emitting element (organic el element) and a second driving transistor for supplying a second electric current corresponding to a second gray level signal; and a power supply unit configured to apply a power supply voltage to each sub-pixel via an electric current path that is common to the sub-pixel and the sub-pixel. The driving method includes correcting the first gray level signal based on the first gray level signal and the second gray level signal so as to compensate for a reduction in the first electric current caused by a voltage drop that occurs in the electric current path.. ... Joled Inc

10/05/17 / #20170288173

Organic el display panel

An organic el display panel including: a substrate; display elements over the substrate; a first sealing layer over the display elements; a buffer layer covering the first sealing layer; and a second sealing layer covering the buffer layer. The first sealing layer, the buffer layer, and the second sealing layer are each made of a silicon nitride film, and a peak amount of ammonia gas desorbing from the silicon nitride film of the buffer layer within a predetermined temperature range is greater than one hundred times and smaller than one thousand times a peak amount of ammonia gas desorbing from each of the silicon nitride film of the first sealing layer and the silicon nitride film of the second sealing layer within the predetermined temperature range.. ... Joled Inc

10/05/17 / #20170287984

Display panel and method for manufacturing same

A display panel includes an el panel section, a cf panel section, and a sealing resin layer. In the el panel section, the surface of a sealing layer has a projected and recessed shape in a z-axis direction as a whole, wherein a light-emitting region corresponding to a region between banks is a recessed section, and a non-light-emitting region corresponding to a top portion of the bank is a projected section. ... Joled Inc

10/05/17 / #20170287946

Semiconductor device and active matrix substrate using semiconductor device

According to one embodiment, a semiconductor device includes an insulating substrate including a pixel area and a peripheral circuit area around the pixel area, a first insulating layer which is provided on the insulating substrate and includes at least nitrogen, a second insulating layer at least provided on the first insulating layer of the peripheral circuit area, a first thin-film transistor which is provided above the first insulating layer of the pixel area and includes a first oxide semiconductor layer, and a second thin-film transistor which is provided on the second insulating layer of the peripheral circuit area and includes a second oxide semiconductor layer. The second insulating layer in the pixel area is thinner than that in the peripheral circuit area.. ... Joled Inc

10/05/17 / #20170287401

Display device

A plurality of pixel circuits included in a display device each includes: a drive transistor; a capacitor connected to a gate electrode and a source electrode of the drive transistor; a light-emitting element which is driven by the drive transistor; a write transistor having a gate electrode connected to a write control line for transmitting a write signal, one of a drain electrode and a source electrode connected to a data line for transmitting a data voltage corresponding to luminance, and the other of the drain electrode and the source electrode connected to the gate electrode of the drive transistor; and a compensation transistor having a gate electrode connected to the data line, and at least one of a drain electrode and a source electrode connected to the write control line, the compensation transistor being of same conductivity type as the write transistor.. . ... Joled Inc

10/05/17 / #20170287397

Display device correction method and display device correction device

A display device correction method performed by a control unit that performs display control on an organic electroluminescent (el) panel including a plurality of display pixels, in an organic el display which includes the organic el panel and the control unit. The display device correction method includes: obtaining a cumulative value of a pixel signal supplied to a drive transistor which is included in a current pixel to be processed among the plurality of display pixels and supplies drive current according to the pixel signal to an organic el element (oel); calculating a shift amount of a threshold voltage of the drive transistor, using the cumulative value; calculating an amount of change in mobility, using the shift amount; and calculating a correction parameter for correcting a pixel signal, using the amount of change in mobility.. ... Joled Inc

09/28/17 / #20170278974

Thin film transistor

A thin film transistor includes an oxide semiconductor layer including a channel region, and a source region and a drain region having a resistivity lower than that of the channel region; a gate insulating layer disposed on the channel region of the oxide semiconductor layer; a gate electrode disposed on the gate insulating layer; and an aluminum oxide layer covering the lateral surface of the gate insulating layer, and the source region and the drain region, wherein the gate insulating layer has a multi-layer structure including a first insulating layer and a second insulating layer, and the first insulating layer contains silicon oxide as a main component, and is disposed on and in contact with the channel region.. . ... Joled Inc

09/28/17 / #20170278461

Drive method for display device and display device

There is provided a drive method for a display device in which a plurality of pixel circuits are disposed in rows and columns, each of the plurality of pixel circuits including a light emitter that emits light in an amount according to a magnitude of a current supplied, and a drive transistor that supplies a current according to a magnitude of a video signal to the light emitter. The drive method includes applying an initialization voltage across a gate and a source of the drive transistor by an initialization voltage adjustment unit in an initialization period for initializing the drive transistor, the initialization voltage being higher than a threshold voltage of the drive transistor and according to a state of deterioration of the drive transistor.. ... Joled Inc

09/21/17 / #20170271613

Organic light-emitting device

An organic light-emitting device includes a substrate, a first electrode, an organic light-emitting layer, an organic functional layer, a translucent electrically-conductive film, and a second electrode. The first electrode is disposed over the substrate. ... Joled Inc

09/21/17 / #20170271607

Display device, display unit, and electronic apparatus

A display device includes an anode, a cathode, a first light emitting unit, and a second light emitting unit. The cathode faces the anode. ... Joled Inc

09/21/17 / #20170270861

Display unit, display unit driving method, and electronic apparatus

A display unit of the disclosure includes a pixel array section and a drive section. In the pixel array section, unit pixels each including a light-emitting section are disposed. ... Joled Inc

09/21/17 / #20170270856

Display device and method for driving same

A method for driving a display device including a plurality of pixels arranged in rows and columns, each of the pixels including an organic el device that emits light in accordance with supplied current, a driving transistor that supplies current to the organic el device, and a storage capacitor connected between the gate of driving transistor and a source or drain thereof, includes causing the organic el device to emit light by supplying current to the organic el device; resetting charge of at least one of the storage capacitor and a parasitic capacitance of the organic el device; and applying a reverse bias voltage between the gate and source of the driving transistor. The resetting is performed between the light emission and the reverse-bias application.. ... Joled Inc

09/21/17 / #20170270855

Display device and method of driving display device

A display device includes: a display unit including display pixels each of which includes: an organic el element that emits light in response to a drive current; and a drive transistor that supplies a drive current corresponding to a magnitude of a luminance signal to the organic el element; a measurement pixel located outside the display unit including: a measurement element composed of an organic el element; and a measurement transistor that supplies a drive current to the measurement element; a current measurement unit that measures a current of the measurement pixel in a predetermined degradation state; a deviation calculation unit that calculates a deviation between a theoretical first correction amount of the luminance signal and a second correction amount of the luminance signal calculated from the measured current; and a luminance signal correction unit that corrects a theoretical third correction amount of the luminance signal of the display pixel.. . ... Joled Inc

09/21/17 / #20170269635

Display unit and its manufacturing method

A display unit which can realize reduction in thickness and weight of the display unit by omitting a void between a touch panel and a display panel, and its manufacturing method. Whole faces of the touch panel and the display panel are directly bonded together with an adhesive layer in between. ... Joled Inc

09/14/17 / #20170263889

Protective sheet, display unit, and electronic apparatus

A display unit includes a display panel and a first protective sheet. The display panel has a light-emitting surface. ... Joled Inc

09/14/17 / #20170263185

Source driver circuit, and display device

A source driver circuit which supplies, to each of pixels arranged in a matrix, an electrical signal corresponding to a pixel signal, the source driver circuit including: a reference voltage generating unit including a plurality of resistors connected in series; a resistor for gradation voltage generation which divides an input voltage into voltages of magnitudes; and a gradation voltage generating circuit which is connected between the plurality of resistors and between the plurality of resistors and the resistor for gradation voltage generation, and includes an offset-canceling amplifier, wherein the offset-canceling amplifier alternates between an offset extraction state in which an offset voltage of the offset-canceling amplifier is extracted and a buffer output state in which the offset voltage is added to the pixel signal and outputted.. . ... Joled Inc

08/31/17 / #20170250289

Thin-film transistor substrate and method of manufacturing the same

A method of manufacturing a tft substrate includes the steps of forming an oxide semiconductor layer above a substrate, forming a first oxide film on the oxide semiconductor layer, performing oxidation processing on the oxide semiconductor layer after formation of the first oxide film, and forming a second oxide film on the first oxide film after the oxidation processing.. . ... Joled Inc

08/24/17 / #20170245342

Display device and electronic apparatus

A display device includes a pixel including a plurality of sub-pixels. Each of the plurality of sub-pixels includes: a light-emission region; and a non-light-emission region other than the light-emission region. ... Joled Inc

08/24/17 / #20170243930

Display panel

Provided is an organic el display panel including pixels that are arranged in a matrix. Each of the pixels includes a plurality of unit pixels. ... Joled Inc

08/24/17 / #20170243546

Display device and method for driving display device

A method for driving a display device that includes a display unit and is driven by a sequence of row-by-row sequential scanning that includes a vertical blanking period, the display unit having pixels arranged in rows and columns, each pixel including an anode formed on a drive circuit layer, an organic light emitting layer formed above the anode and including a light emitting substance, and a transparent cathode formed above the organic light emitting layer, the method includes initializing a circuit element, writing a signal voltage to a capacitive element, inserting a black display to display the black display during a period determined based on a resistance value of the transparent cathode, and causing the organic el element to emit light.. . ... Joled Inc

08/24/17 / #20170243525

Display unit and electronic apparatus

A display unit includes a display region, a peripheral region, and an inorganic film. The display region is a region in which a plurality of pixels are disposed. ... Joled Inc

08/17/17 / #20170237036

Organic-electroluminescent-element liquid composition packaging

A problem to be solved of the invention is to provide a package of a liquid composition for an organic electroluminescent device including a phosphorescent material and a solvent with extended storage lifetime, which may be produced with high working efficiency. A solving means of the problem is a package of a liquid composition for an organic electroluminescent device having a liquid composition for an organic electroluminescent device including a phosphorescent material and a solvent, and a container that contains the liquid composition for an organic electroluminescent device, wherein the package of a liquid composition for an organic electroluminescent device has a transmittance of light, that is a wavelength component of from 500 nm to 780 nm, from outside of the package to inside of the container of 15% or less.. ... Joled Inc

08/17/17 / #20170236887

Method for manufacturing organic el display panel, and organic el display panel

A method for manufacturing an organic el display panel that includes: forming, on a substrate, a first pattern that includes gate electrodes, scan lines, and a first common line; forming, above the substrate, a second pattern that includes source electrodes, drain electrodes, data lines, and first disconnect parts that disconnect the data lines and the first common line; conducting an open-short test for the data lines; and forming, above the substrate, a third pattern that includes first bridge lines that extend over the corresponding first disconnect parts to connect the data lines and the first common line.. . ... Joled Inc

08/17/17 / #20170236470

Display device

A display device according to the present disclosure is a display device including a plurality of pixels arranged in a matrix, each of the plurality of pixels including: an el element that emits light according to the amount of current supplied; a driving transistor that controls light emission of the el element; and switches connected to a gate of the driving transistor. The display device includes an electric charge drawing unit configured to draw electric charges in the gate of the transistor provided in each of the plurality of pixels when power supply to the display device is stopped.. ... Joled Inc

08/10/17 / #20170229066

Method for correcting display device and correction device for display device

A method for correcting an organic el display including a volatile memory (mv), a non-volatile memory having a slower write speed than that of the volatile memory, and a control unit, the method to be performed by the control unit includes: performing cumulative processing for updating cumulative values in the volatile memory every first period; performing transfer processing for transferring the cumulative values from the volatile memory to the non-volatile memory every second period longer than the first period; delaying timing of the transfer processing in part of the display pixels according to the write speed of the second memory; and delaying start timing of the cumulative processing in the part of the display pixels according to the timing of the transfer processing, or switching an order of transfer of the cumulative values in the transfer processing between a first order and the reverse order of the first order.. . ... Joled Inc

08/03/17 / #20170223824

Display panel, method for producing display panel, and flexible printed circuit board

A display panel including: a substrate; a plurality of first connecting wires in a first portion of the substrate and connected to a first flexible printed circuit board; a plurality of second connecting wires in a second portion of the substrate and connected to a second flexible printed circuit board, the second portion being adjacent to the first portion; first and second test pads provided between the first and second portions of the substrate, the first test pad being connected to an endmost first connecting wire adjacent to the second portion, the second test pad being connected to an endmost second connecting wire adjacent to the first portion; and an electrical circuit in which the endmost first and second connecting wires are included in different power supply nodes.. . ... Joled Inc

08/03/17 / #20170223307

Video display device, video display method, and program

A video display device includes a video obtaining unit that obtains a video represented in an input video format for displaying, at a predetermined frame frequency, frames each including an effective pixel region having n rows and m columns, p1 columns of a horizontal blanking period, and q1 rows of a vertical blanking period; a video format conversion unit that converts a format of the video to an output video format for displaying, at the predetermined frame frequency, frames each including the effective pixel region having n rows and m columns, p2 columns of the horizontal blanking period, and q2 rows of the vertical blanking period, where q2 is less than q1; and a display driver unit that displays the video row by row in a display unit at a horizontal scanning frequency in the output video format.. . ... Joled Inc

08/03/17 / #20170222173

Organic el display panel, display device incorporating same, and organic el display panel manufacturing method

An organic el display panel includes light-reflective electrodes, a first red light-emitting layer, a green light-emitting layer, a first blue light-emitting layer, a second red light-emitting layer, a charge generating layer, a second blue light-emitting layer, and a light-transmissive electrode. In a red and a white sub-pixel region, a first optical length is from 20 nm to 50 nm, and a second optical length is from 210 nm to 230 nm. ... Joled Inc

08/03/17 / #20170222149

Display unit and method of manufacturing display unit

A display unit includes a first electrode, an organic layer, and a second electrode. The first electrode, the organic layer, and the second electrode are provided in this order on a substrate. ... Joled Inc

08/03/17 / #20170221412

El display apparatus

An el display apparatus according to the present invention includes an el device adapted to emit light at a luminance corresponding to a current fed thereto. A source driver outputs a current higher than a current corresponding to an analog video signal to the el device through a source signal line. ... Joled Inc

07/27/17 / #20170213880

Organic light-emitting device and organic display apparatus

Organic light-emitting device including light-emitting portions disposed in two intersecting directions along a substrate main surface. Each light-emitting portion, in a first direction intersecting the substrate main surface, includes first and second electrodes, a charge transport layer, and an organic light-emitting layer, and is partitioned from adjacent light-emitting portions by first banks extending in a third direction being one of the two directions and second banks extending in a second direction being the other of the two directions. ... Joled Inc

07/20/17 / #20170207326

Method of manufacturing thin-film transistor substrate

A method of manufacturing a tft substrate that includes a thin-film transistor having an oxide semiconductor layer includes forming a source line above a substrate 2, the source line being a copper line including a stacked film of a copper film and a cap film on the copper film, depositing an insulating layer on the source line, and performing heat treatment at a temperature over 290° c. After the deposition of the insulating layer. ... Joled Inc

07/20/17 / #20170207254

Display and electronic unit

A display device includes a display element, a transistor configured to drive the display element, the transistor including a channel region, and a retention capacitor. An oxide semiconductor film is provided in areas across the transistor and the retention capacitor, the oxide semiconductor film including a first region formed in the channel region of the transistor, and a second region having a lower resistance than that of the first region. ... Joled Inc

07/13/17 / #20170200772

Substrate and method of manufacturing panel

A substrate includes: a first panel region which includes a plurality of first cells disposed on the substrate which is a single substrate; a second panel region which includes a plurality of second cells disposed on the substrate and is different in size from the first panel region; a first dummy cell which has a same shape as a shape of the plurality of second cells and is disposed at a portion of an external surrounding area of the first panel region; and a second dummy cell which has a same shape as a shape of the plurality of first cells and is disposed at a portion of an external surrounding area of the second panel region.. . ... Joled Inc

07/06/17 / #20170194590

Organic el element and organic el light emitting apparatus

An organic el element includes an anode and a cathode that are disposed at opposed positions, a functional layer and a hole injection layer that are stacked between the anode and the cathode, the functional layer containing an organic material, and the hole injection layer being for injecting holes into the functional layer. The hole injection layer includes a transition metal oxide as a main component, and contains at least one of al and mg.. ... Joled Inc

07/06/17 / #20170194287

Organic light-emitting device and organic display device

An organic light-emitting device having light-emitting portions arranged in two directions along a substrate main surface. Each light-emitting portion, in a first direction intersecting the substrate main surface, includes, disposed via a first insulating layer, a first electrode, an organic laminate, and a second electrode. ... Joled Inc

07/06/17 / #20170193871

Display device manufacturing method

A display device manufacturing method includes: lighting up a display device for a predetermined period; measuring, as first brightness, brightness of the display device at a start of lighting; measuring, as second brightness, brightness of the display device when the predetermined period has elapsed; calculating a deterioration rate of the second brightness with respect to the first brightness; and discriminating the display device as a defective item if the deterioration rate is greater than a threshold value.. . ... Joled Inc

06/29/17 / #20170186369

Display device and method for driving display device

A display device includes: a display unit in which light-emitting pixels are disposed in rows and columns; and a control circuit controlling the display unit. The light-emitting pixels each include: a light-emitting element (organic el element); and a drive transistor which supplies the light-emitting element with a current causing the light-emitting element to emit light, and the control circuit, when display by the display unit is stopped, calculates an amount of shift of a threshold voltage of the drive transistor at a time when a stopped state of the display unit is started, and determines on the basis of the amount of shift, at least one of (i) a recovery voltage which reduces the amount of shift by being applied across a gate and source of the drive transistor while the display by the display unit is stopped, and (ii) an application period during which the recovery voltage is applied.. ... Joled Inc

06/29/17 / #20170186349

Display device and method for driving same

A display device includes: a display panel substrate which includes pixel circuits disposed in rows and columns; cof substrates connected to the display panel substrate; gate driver ics for display driving, which are mounted on the display panel substrate or on the cof substrates, and each of which includes a shift register; printed circuit boards which are connected to the cof substrates, and each of which includes one or more lines which cascade the gate driver ics; and a control unit configured to supply a predetermined signal to a cascade input terminal of a gate driver ic located most upstream of the cascade, and monitor a signal from a cascade output terminal of at least one gate driver ic located downstream of the gate driver ic located most upstream.. . ... Joled Inc

06/15/17 / #20170170244

Bank repair method, organic el display device and manufacturing method thereof

An examination is performed of whether or not a bank having a defect portion is present. When a bank having a defect portion is present, the bank having the defect portion is repaired by forming a dam in each of adjacent concave spaces between which the bank having the defect portion is located. ... Joled Inc

06/08/17 / #20170162831

Method for manufacturing organic el display panel and system for manufacturing organic el display panel

A method for manufacturing an organic el display panel through a printing process of applying, to a board in a first orientation, a raw material liquid for forming at least one of light-emission contribution layers including a light-emission layer, the first orientation being an orientation of the board in which a printing surface faces upward and is held in a horizontal direction. The method includes: a wet cleaning process of cleaning the board; and a first rotation process of rotating the board from a second orientation to the first orientation after the wet cleaning process, the second orientation being an orientation of the board in which the printing surface is tilted at an angle with respect to the printing surface in the first orientation, the angle being selected from a range from 90 to 270 degrees inclusive. ... Joled Inc

06/08/17 / #20170162820

Organic el display apparatus

An organic el display apparatus includes: a display panel; a plate-shaped base disposed on a rear surface side of the display panel; a flexible wiring substrate; a circuit substrate; an electronic component attached to at least one of the wiring substrate and the circuit substrate; a heat conductive member attached to a rear surface of the electronic component; a rear structural member disposed to cover the heat conductive member; and a connecting member that connects the base and the rear structural member and generates a compressive force that compresses the heat conductive member being sandwiched by the electronic component and the rear structural member.. . ... Joled Inc

06/08/17 / #20170162818

Display device, display unit, and electronic apparatus

A display device includes a first electrode, a second electrode, a light-emitting layer, and an organic material layer. The light-emitting layer is included in an organic layer. ... Joled Inc

06/08/17 / #20170162713

Thin film transistor, method for manufacturing thin film transistor, and organic el display device

A thin film transistor includes: a gate electrode; a source electrode and a drain electrode; an oxide semiconductor layer used as a channel layer; and a gate insulating layer disposed between the gate electrode and the oxide semiconductor layer, wherein metallic elements included in the oxide semiconductor layer include at least indium (in), and fluorine (f) is included in a region which is an internal region in the oxide semiconductor layer and is close to the gate insulating layer.. . ... Joled Inc

06/08/17 / #20170162638

Method for manufacturing organic el display panel

An organic el display panel manufacturing method including: preparing a substrate; forming at least first electrodes on the substrate; forming, by performing photolithography on the substrate having the first electrodes, a bank layer made of a photoresist and having apertures corresponding one-to-one with the first electrodes; forming a functional layer in each of the apertures by applying an ink containing a functional material to the aperture and drying the applied ink; and forming at least a second electrode on the functional layer. The forming of the bank layer includes: applying the photoresist to the substrate having the first electrodes; forming apertures corresponding one-to-one with the first electrodes in the photoresist by performing exposure using a mask and then developing the photoresist; after forming the apertures, performing exposure of the photoresist having the apertures; after performing the exposure of the photoresist having the apertures, baking the photoresist.. ... Joled Inc

06/08/17 / #20170162607

Method for manufacturing active-matrix display panel, and active-matrix display panel

Manufacturing method including forming, over substrate, tft layer, planarization layer, and display element in this order. Forming of tft layer involves forming passivation layer to cover tft layer electrode, such as upper electrode, and to come in contact with planarizing layer. ... Joled Inc

06/08/17 / #20170162114

Display device and method for driving same

An organic el display device includes: a plurality of pixels each of which includes an organic el element that emits light according to a supplied pixel current ipix, a drive transistor that supplies the pixel current ipix to the organic el element, and a holding capacitor connected between a gate and a source of the drive transistor; and a control unit that, in a display state of causing the organic el element to emit light in a part of the plurality of pixels and changing a voltage of the holding capacitor to a threshold voltage of the drive transistor in another part of the plurality of pixels, applies a drain voltage of the drive transistor of a pixel in the other part independently of the drain voltage of the drive transistor of a pixel in the part.. . ... Joled Inc

06/01/17 / #20170155066

Display apparatus and electronic apparatus

Disclosed herein is a display apparatus, including: a foldable substrate; a pixel array section including a plurality of pixels disposed on the substrate and each including an electro-optical device; the foldable substrate being folded at a substrate end portion at least on one side thereof around the pixel array section; a peripheral circuit section disposed on the substrate end portion and adapted to drive the pixels of the pixel array section; and a pad section provided on the substrate end portion on which the peripheral circuit section is provided and adapted to electrically connect the peripheral circuit section to the outside of the substrate.. . ... Joled Inc

06/01/17 / #20170155046

Ink component management method, inkjet system using same, and manufacturing method for manufacturing organic el display device using inkjet system

A method of managing components of ink that can suppress changes in composition of a mixed solvent in ink that is stored in an inkjet device. A method for managing components of ink stored in an inkjet device under a negative pressure environment, the ink including a functional material, a first solvent, and a second solvent that has a higher boiling point and viscosity than the first solvent, the inkjet device discharging the ink via nozzles, the method including preparing a mixed solvent including a solvent identical to the first solvent and a solvent identical to the second solvent at a composition ratio that depends on a volatilization amount of the first solvent per unit time and a volatilization amount of the second solvent per unit time; and adding the mixed solvent to the ink stored in the inkjet device.. ... Joled Inc

06/01/17 / #20170154946

Display device

A display device includes: a display unit in which a plurality of pixels are arranged; and a power supply unit configured to feed a power supply voltage to the pixels through a power feeding line disposed on an outer periphery of the display unit. The pixels each include: an anode formed on a drive circuit layer; an auxiliary wire formed on the drive circuit layer to be spaced apart from the anode; an organic light emitting layer and an electron transport layer that are formed above the anode; and a transparent cathode formed above the electron transport layer. ... Joled Inc

05/18/17 / #20170141231

Thin film transistor and organic el display device

A thin film transistor includes: a substrate; an undercoat layer disposed on the substrate; an oxide semiconductor layer formed above the undercoat layer and including at least indium; a gate insulating layer located opposite the undercoat layer with the oxide semiconductor layer being between the gate insulating layer and the undercoat layer; a gate electrode located opposite the oxide semiconductor layer with the gate insulating layer being between the gate electrode and the oxide semiconductor layer; and a source electrode and a drain electrode electrically connected to the oxide semiconductor layer, wherein fluorine is included in a region which is an internal region in the oxide semiconductor layer and is close to the undercoat layer.. . ... Joled Inc

05/18/17 / #20170141174

Display apparatus, manufacturing method of display apparatus, and electronic device

A display apparatus including: a display region provided with a plurality of pixel portions; wires installed to the respective pixel portions within the display region from an outside of the display region for transmitting a signal to drive the respective pixel portions; connection pads provided on the outside of the display region and serving as input portions to provide the wires with a signal while electrically conducting with the wires; switch elements provided on the outside of the display region in a middle of the wires; and a light shielding covering portion shielding the switch elements from light and formed to cover the connection pads while electrically conducting with the connection pads.. . ... Joled Inc

05/18/17 / #20170140700

Display unit and electronic apparatus

A display unit includes a plurality of pixels and a drive circuit. The plurality of pixels each includes a light emitting device, a transistor, and a capacitor. ... Joled Inc

05/18/17 / #20170140693

Display panel, display unit, and electronic apparatus

A display panel includes a plurality of pixels and a plurality of power lines. The plurality of pixels are disposed in a matrix and include respective light-emitting devices and respective pixel circuits. ... Joled Inc

05/11/17 / #20170133442

Organic light-emitting panel and organic light-emitting device

An object is to provide an organic light-emitting panel and an organic light-emitting device capable of reducing ink repellence at portions of banks intersecting an insulating layer. Light-emitting units of the organic light-emitting panel are separated by the insulating layer and the banks. ... Joled Inc

05/11/17 / #20170133437

Organic light-emitting device and display apparatus

A plurality of light emitters emitting different colors of light in an organic light-emitting device, each light emitter including a first electrode, a first charge injection/transport layer, an organic light-emitting layer, an intermediate layer, a second charge injection/transport layer, and a second electrode, above a substrate. The intermediate layer includes a fluoride of an alkali metal or an alkaline earth metal. ... Joled Inc

05/04/17 / #20170125604

Transistor, display unit, and electronic apparatus

A transistor includes a gate electrode, an oxide semiconductor film, and a gate insulating film. The oxide semiconductor film includes a channel region and a low-resistance region. ... Joled Inc

05/04/17 / #20170125494

Organic el display panel, display device provided therewith, and method for manufacturing organic el display panel

An organic el display panel that includes light-reflective electrodes, a red light-emitting layer, a green light-emitting layer, a first blue light-emitting layer, a charge generating layer, a second blue light-emitting layer, and a light-transmissive electrode. In a red sub-pixel region, a first optical length is from 20 nm to 50 nm, and a second optical length is from 210 nm to 230 nm. ... Joled Inc

04/27/17 / #20170118848

Display apparatus and display apparatus manufacturing method

A display apparatus includes: a display panel; a base disposed on the back side of the display panel; a frame component including a front surface portion disposed at a peripheral edge portion of the display panel on the display surface side, a fixing portion disposed on the back side of the base, and a connecting portion which connects the front surface portion and the fixing portion; an attachment component including a base portion connected to the base, and a holding portion disposed further backward than the fixing portion; and a fastening component which fastens the fixing portion and the holding portion.. . ... Joled Inc

04/27/17 / #20170117506

Method for manufacturing display panel

A method for manufacturing a display panel in which a plurality of pixels are arranged, each of the plurality of pixels including an organic el element and a wire, the method comprising: stacking a light-emitting layer included in the organic el element and a drive circuit layer included in the wire; and irradiating a predetermined area of the wire having a short-circuit point with a femtosecond laser from the back surface, the laser not passing through the light-emitting layer, the irradiating including: reducing a beam diameter to be approximately a wire width, and irradiating the predetermined area with the femtosecond laser; and reducing the beam diameter to be less than the beam diameter in the reducing the beam diameter, and irradiating corners of the predetermined area to disconnect the wire at the predetermined area.. . ... Joled Inc

04/27/17 / #20170117471

Solution for forming function layer contained in organic light emitting element and method for manufacturing organic light emitting element

A solution contains a functional material for constituting a function layer, and a solvent. The solvent contains a high-boiling-point solvent composed of one or more solvent components having a boiling point of not less than 200° c. ... Joled Inc

04/27/17 / #20170117347

Organic light-emitting device and production method for organic light-emitting device

An organic light-emitting device including: a substrate; an anode above the substrate; wiring above the substrate, spaced away from the anode in a direction parallel to a main surface of the substrate; a light-emitting layer above the anode, containing an organic light-emitting material; an intermediate layer on the light-emitting layer and the wiring, continuous over the light-emitting layer and the wiring and containing a fluoride of a first metal which is an alkali metal or an alkaline earth metal; an organic functional layer on the intermediate layer, continuous over the light-emitting layer and the wiring and made of an organic material having an electron transporting property or an electron injection property and doped with a second metal having a property of cleaving a bond between the first metal and fluorine in the fluoride; and a cathode on the organic functional layer, continuous over the light-emitting layer and the wiring.. . ... Joled Inc

04/27/17 / #20170117339

Organic light emitting device and method for manufacturing same

An organic light emitting device including: a base substrate; column banks extending in one direction along a surface of the base substrate; and light emitting elements extending along the one direction in groove regions defined by the column banks, wherein each of the light emitting elements has one or more functional layers sandwiched between a pair of electrodes, and within at least one of the groove regions: a sub-bank extends along the one direction and has a height equal to or smaller than a height of the column banks, and for each of the one or more functional layers therein, portions thereof on either side of the sub-bank are made of the same material.. . ... Joled Inc

04/20/17 / #20170110683

Display panel and production method therefor

A display panel including an el panel unit, a cf panel unit, and a sealing resin layer. In the el panel, a surface of a sealing layer has a non-flat surface as a whole in a z-axis direction, with recess portions at light-emitting areas corresponding to regions between banks and protrusion portions at non-light-emitting areas corresponding to tops of the banks. ... Joled Inc

04/06/17 / #20170098398

Method for manufacturing display panel

A method for manufacturing a display panel including a display unit in which pixels, in rows and columns, include an organic el element and a drive transistor, includes, performed on the display panel having a line defect which is a pixel column that emits light of luminance not reflecting display gray level signals: displaying, overlappingly, a lighted line, which is a pixel column inputted with uniform display gray level signals, and the line defect by displaying the lighted line on the display unit and scanning the display unit with the lighted line in the row direction; reducing a bright/dark part range in the line defect by uniformly changing the display gray level inputted to the pixel column in the lighted line overlapping with the line defect; and identifying a defective pixel, which is the line defect origin, from the position of the reduced bright/dark part range in the display unit.. . ... Joled Inc

03/30/17 / #20170094813

Image display apparatus and image display apparatus manufacturing method

An image display apparatus includes: a display unit which includes a display panel that displays an image on a front face, and a chassis disposed on a back face of the display panel and holding the display panel; and a first frame member disposed along at least a portion of a front periphery of the display panel, wherein the first frame member includes: a front portion disposed on the front face of the display panel; and a folding portion connected to the front portion, and having an end portion which is disposed at a back face side of the chassis by being bent, the end portion being a distal end portion relative to the front portion.. . ... Joled Inc

03/30/17 / #20170092710

Organic el element and method for manufacturing organic el element

An organic el element including: a tft substrate having a taos-tft; and an organic el unit having a lower electrode. The lower electrode includes an aluminum containing metal layer, a transition metal containing oxide layer disposed between the aluminum containing metal layer and the tft substrate, and an aluminum containing oxide layer disposed between the aluminum containing metal layer and the transition metal containing oxide layer and in contact with both the aluminum containing metal layer and the transition metal containing oxide layer. ... Joled Inc

03/30/17 / #20170092197

Display panel and display unit

A display panel includes a plurality of pixels, and a plurality of signal lines and a plurality of power lines. The plurality of pixels are disposed in matrix. ... Joled Inc

03/23/17 / #20170084632

Thin-film transistor device and display device using same

A display device including: a lead wiring layer pattern 207, made from metal, that extends outside a region 10a on a substrate in which a light-emitter is present; a passivation layer 216; a contact hole 216a in the passivation layer 216 outside the region 10a in a position over the lead wiring layer pattern 207 in plan view; a connecting wiring layer pattern 237 that is continuous across the passivation layer 216, an inner circumference of the contact hole 216a, and the lead wiring layer pattern 207 in the contact hole 216a; a sealing layer 217 covering a portion of the connecting wiring layer pattern 237 in the contact hole 216a; and an upper sealing layer pattern 219 covering the sealing layer pattern 217 that is above the connecting wiring layer pattern 237.. . ... Joled Inc

03/16/17 / #20170077460

Method for repairing bank, organic el display device, and method for manufacturing same

A bank repair method for repairing a defect portion of a bank in a process of manufacturing an organic electroluminescence (el) display device including a substrate, banks formed over the substrate, and light-emitting layers formed in concave spaces defined by the banks. The bank repair method includes: examining whether or not a bank having a defect portion is present; and when a bank having a defect portion is present, repairing the bank by applying a repair material containing a gas adsorbent to the defect portion and curing the repair material; and after curing the repair material, baking the repair material by irradiating the repair material with infrared laser light.. ... Joled Inc

03/16/17 / #20170077190

Organic el display panel and organic el display device

Pixels include red sub-pixels, green sub-pixels, first blue sub-pixels that emit dark blue light, and second blue sub-pixels that emit light blue light. Above a substrate, first blue pixel electrodes and first blue organic light-emitting layers are layered in regions of the first blue sub-pixels and second blue pixel electrodes and second blue organic light-emitting layers are layered in regions of the second blue sub-pixels. ... Joled Inc

03/16/17 / #20170076668

Display device and method for driving display device

A display device includes: a display unit which includes a plurality of pixels each including an organic el element; and a control unit which adjust a value of a luminance signal to be supplied to a target pixel to be corrected, such that an actual luminance of the target pixel is equal to a reference luminance, the reference luminance being an actual luminance of a reference pixel obtained when the luminance signal to be supplied to the target pixel is supplied to the reference pixel. The reference pixel has predetermined attenuation characteristics for light emission amount.. ... Joled Inc

03/16/17 / #20170076664

Gate driver ic, chip-on-film substrate, and display apparatus

A gate driver ic includes: n shift registers which generate a gate signal to be supplied to a display panel substrate, n being a natural number; (n+k) power supply terminals (pa1 to pd1, pa1, and pc1) for power supply from outside, k being a natural number; and (n+k) internal lines connected to the (n+k) power supply terminals, wherein n internal lines among the (n+k) internal lines connect, one-to-one, n power supply terminals among the (n+k) power supply terminals and the n shift registers, and k internal lines other than the n internal lines among the (n+k) internal lines connect, one-to-one, k power supply terminals other than the n power supply terminals among the (n+k) power supply terminals and k internal lines selected from among the n internal lines.. . ... Joled Inc

03/16/17 / #20170076663

Image display device and display control method

An image display device includes: a display panel substrate which includes pixels disposed in rows and columns; a control unit which outputs a clock signal; gate driver circuits each of which outputs a control signal to pixels row-by-row among the pixels included in the display panel substrate, in synchronization with the clock signal; lines disposed on the display panel substrate and supply the gate driver circuits with the clock signal by cascading the control unit and the gate driver circuits; and one or more source driver circuits each of which outputs pixel signals to pixels, among the pixels included in the display panel substrate, with a delay of a first delay time different for each of the gate driver circuits.. . ... Joled Inc

03/16/17 / #20170076662

Semiconductor device and display apparatus

A semiconductor device includes: a receiving circuit which receives communication frames each transmitted with a first period or a second period that are different from each other and including a synchronization code and data; a logic circuit which has a first operation state in which the received communication frames are each processed as data other than a digital video signal, and a second operation state in which the received communication frames are each processed as the digital video signal; a detecting circuit which detects the synchronization code from each of the received communication frames; a measuring circuit which measures a period of the detected synchronization code; and a determining circuit which determines the measured period. The logic circuit substantially makes a transition to the first operation state or the second operation state according to a result of the determining.. ... Joled Inc

03/09/17 / #20170069697

Organic el display panel and organic el display device

In an organic el display panel: banks that each extend in the column direction are disposed above a substrate; and red organic light-emitting layers, green organic light-emitting layers, and blue organic light-emitting layers each extend in the column direction and are disposed above the substrate in intervals between adjacent ones of the banks, wherein the banks define edges of sub-pixels of each color in the row direction, and in plan view of the substrate, surface areas of blue sub-pixels are greater than surface areas of red sub-pixels and greater than surface areas of green sub-pixels.. . ... Joled Inc

03/09/17 / #20170069694

Organic el display panel and method for manufacturing same

An organic el display panel including: a pair of first banks, second banks, and functional layers. The first banks have a greater length in a first direction than in a second direction orthogonal to the first direction and have a gap therebetween. ... Joled Inc

03/09/17 / #20170069268

Organic electroluminescent display device

An organic electroluminescent display device includes: a display unit in which pixels are arranged in rows and columns, the pixels each including an organic electroluminescent element, a drive transistor, and a capacitor; a power supply unit which generates a supply voltage; a gate drive unit which applies a reference supply voltage to the capacitor; and a control unit which carries the supply voltage from the power supply unit to the gate drive unit, wherein the gate drive unit includes a buffer amplifier circuit which suppresses a variable component of the supply voltage carried via the control unit to stabilize the reference supply voltage, and supplies the stabilized reference supply voltage to the pixel.. . ... Joled Inc

03/09/17 / #20170069267

El display apparatus

An electroluminescent (el) display apparatus and manufacturing method are provided. A display screen includes gate signal lines which are arranged to intersect source signal lines. ... Joled Inc

03/09/17 / #20170067956

Method for manufacturing display device

A method for manufacturing a display device including a light-emitting pixel and a drive transistor that drives the light-emitting pixel using current, includes: (a) placing the display device in a light-emitting state; (b) placing the display device in a non-light-emitting state after (a); (c) leaving the display device in the non-light-emitting state for a predetermined period; (d) placing the display device in the light-emitting state again after (c); and (e) start measuring luminance of the display device at a start of (d).. . ... Joled Inc

03/02/17 / #20170062541

Semiconductor device, display unit, method of manufacturing display unit, and electronic apparatus

There is provided a semiconductor device that includes a substrate, an electric field shielding layer, and a semiconductor element. The electric field shielding layer is provided on the substrate. ... Joled Inc

03/02/17 / #20170062533

Organic el display panel and organic el display device

An organic el display panel includes plural streaks of first partition walls juxtaposed on the upper side of an underlying layer in such a manner that each of the plural streaks of the first partition walls extends along a first direction, plural streaks of second partition walls that are juxtaposed on the upper side of the underlying layer in such a manner that each of the plural streaks of the second partition walls extends along a second direction intersecting the first direction, and each have an upper surface at a position lower than upper surfaces of the first partition walls, and a light emitting layer formed along the first direction on the upper side of the underlying layer and in gaps between the first partition walls adjacent to each other in such a manner as to get over the plural streaks of the second partition walls.. . ... Joled Inc

03/02/17 / #20170062479

Thin-film transistor device and display device using same

A display device including: a lead wiring layer pattern 207, made from metal, that extends outside a light emission region on a substrate; a passivation layer 216 covering the lead wiring layer pattern, a contact hole 216a in the passivation layer outside the light emission region; a connecting wiring layer pattern 237 that is continuous across the passivation layer, an inner circumference of the contact hole, and the lead wiring layer pattern in the contact hole; an electrically-conductive sealing layer pattern 217 on the connecting wiring layer pattern, covering a portion of the connecting wiring layer pattern in the contact hole; an electrically-conductive upper sealing layer pattern 219 covering and in contact with a portion of the sealing layer pattern; and a contact prevention layer pattern 218, 236 between the electrically-conductive upper sealing layer pattern and a periphery of the sealing layer pattern.. . ... Joled Inc

03/02/17 / #20170061886

El display apparatus

An electroluminescent (el) display apparatus and corresponding method of control are provided. A display screen includes pixels arranged in a matrix. ... Joled Inc

03/02/17 / #20170061879

Register circuit, driver circuit, and display unit

A register circuit includes an output circuit and an input circuit. The output circuit includes a first transistor and a second transistor. ... Joled Inc

02/23/17 / #20170054058

Electronic device and method for manufacturing same

An electronic device including: a substrate; a first electrically-conductive layer; a second electrically-conductive layer; and an intermediate layer. The first electrically-conductive layer is disposed on the substrate and composed of aluminum or an aluminum alloy. ... Joled Inc

02/23/17 / #20170053947

Thin-film transistor, semiconductor unit, and electronic apparatus

A thin-film transistor includes an oxide semiconductor layer, a gate insulating film, a gate electrode, and a source-drain electrode. The oxide semiconductor layer includes a channel region and a low-resistance region that has an electric resistance lower than an electric resistance of the channel region. ... Joled Inc

02/23/17 / #20170053618

Image processing device, display unit, and electronic apparatus

An image processing device includes an image processor. The image processor performs an image processing on an image signal on a basis of a result of detection of a contact condition in which a user makes contact with a display section. ... Joled Inc

02/23/17 / #20170051394

Vapor deposition apparatus, vapor deposition method using vapor deposition apparatus, and device production method

A vapor deposition apparatus including: a chamber that holds an object on which a film is to be deposited through vapor deposition; a vapor deposition source that is disposed inside the chamber, the vapor deposition source having a housing that accommodates therein a vapor deposition material for the vapor deposition; and a heater that heats the vapor deposition material. The housing has a plurality of eject outlets and an air outlet that is openable and closable, the plurality of eject outlets connecting the inside of the housing with the outside of the housing and ejecting vapor of the vapor deposition material towards the object.. ... Joled Inc

02/16/17 / #20170047381

Method for forming functional layer of organic light-emitting device and method for manufacturing organic light-emitting device

A method of forming a hole transport layer in which an amount of ink per unit surface area to be applied to a plurality of groove regions is set so as to decrease in an order r, g, b. Prior to applying the ink, a nozzle head is scanned across while applying only solvent to each of the groove regions. ... Joled Inc

02/16/17 / #20170047017

Display device and method for controlling the same

A display device includes: an organic electroluminescent element; a capacitor; a drive transistor; a data line; a test transistor which switches between conduction and non-conduction between the data line and an anode electrode of the organic electroluminescent element; a voltage generation unit which supplies the data line with a test voltage for measuring an anode voltage of the organic electroluminescent element; a current detection unit which detects a current through the test transistor when a test transistor is in a conducting state, while the voltage generation unit is applying the test voltage to the data line; a control unit which updates the voltage value of the test voltage, based on a direction of the current detected by the current detection unit, and causes the voltage generation unit to output the updated test voltage.. . ... Joled Inc

02/16/17 / #20170047015

El display apparatus

An electroluminescent (el) display apparatus and corresponding method of control are provided. A display screen includes gate signal lines which are arranged to intersect source signal lines. ... Joled Inc

02/16/17 / #20170047012

Display device, driving method, and electronic apparatus

A display device according to the disclosure includes: a display section having a plurality of unit pixels; and a driving section that, in a first drive mode, performs write driving and thereafter performs light emission driving in a plurality of light-emitting periods on each of the unit pixels. One of predetermined number of light-emitting periods out of the plurality of light-emitting periods other than a first light-emitting period is longer than the first light-emitting period, and another one of the predetermined number of light-emitting periods is shorter than the first light-emitting period.. ... Joled Inc

02/09/17 / #20170040234

Method of manufacturing thin-film transistor substrate

A method of manufacturing a thin-film transistor (tft) substrate including a thin-film transistor having a cumn alloy film. The method includes controlling a contact resistance of a surface of the cumn alloy film on the basis of a contact angle of the surface of the cumn alloy film.. ... Joled Inc








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