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E Ink Corporation patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "E" | E Ink Corporation-related inventors


Driving methods and circuit for bi-stable displays

A method for driving a display having a plurality of pixels, where each pixel is capable of displaying a first color or a second color and is sandwiched between a first electrode and a pixel electrode, the method including applying a driving sequence which includes: (a) for a first time period, applying a first voltage potential between the first electrode and each of the pixel electrodes of a first group of pixels, and applying no voltage potential between the first electrode and each of the pixel electrodes of a second group of pixels of the second color, thereby causing the display device to display an image of the first color with a background of the second color; and (b) for a second time period, applying no voltage potential between the first electrode and each of the pixel electrodes of the first group of pixels, and applying a second voltage potential to each of the pixel electrodes corresponding to the second group of pixels, to clear the onetime image created in step (a).. . ... E Ink Corporation

Display apparatus and manufacturing method thereof

A display apparatus includes a light source, a display panel and a light guide glue. The display panel includes a display surface and a sidewall extending downward from the display surface. ... E Ink Corporation

Microcell delivery systems including charged phases and controllers for microcell delivery systems

An active molecule delivery system whereby active molecules can be released on demand and/or a variety of different active molecules can be delivered from the same system and/or different concentrations of active molecules can be delivered from the same system. The active delivery system includes a plurality of microcells, wherein the microcells are filled with a medium for delivering the active molecules. ... E Ink Corporation

Microcell systems for delivering active molecules

An active molecule delivery system whereby active molecules can be released on demand and/or a variety of different active molecules can be delivered from the same system and/or different concentrations of active molecules can be delivered from the same system. The active delivery system includes a plurality of microcells, wherein the microcells are filled with a medium including active molecules. ... E Ink Corporation

Microcell delivery systems including charged or magnetic particles for regulating rate of administration of actives

An active molecule delivery system whereby active molecules can be released on demand and/or a variety of different active molecules can be delivered from the same system and/or different concentrations of active molecules can be delivered from the same system. The active delivery system includes a plurality of microcells, wherein the microcells are filled with a medium including an active ingredient and charged or magnetic particles. ... E Ink Corporation

Methods for updating electro-optic displays when drawing or writing on the display

A method for rendering drawing events on an electro-optic display such that a stylus (pen) stroke is perceived as actually writing on the electro-optic display. Typically, a first line segment is detected and its area is updated using a first drive scheme having faster waveforms. ... E Ink Corporation

Composite particles and method for making the same

A composite particle is provided that includes a base particle and a plurality of hydrophilic oligomeric groups extending from an exterior portion of the base particle, the base particle including a cross-linked polyurea and at least one of a pigment and a dye. The cross-linked polyurea may form a network throughout the base particle. ... E Ink Corporation

Method for rendering color images

A system for rendering color images on an electro-optic display when the electro-optic display has a color gamut with a limited palette of primary colors, and/or the gamut is poorly structured (i.e., not a spheroid or obloid). The system uses an iterative process to identify the best color for a given pixel from a palette that is modified to diffuse the color error over the entire electro-optic display. ... E Ink Corporation

Electro-optic displays and driving methods

This invention provides methods of and related apparatus for driving an electro-optic display having a plurality of pixels. The method includes dividing the plurality of pixels into n groups, where n is an integer larger than 1, applying a full clearing waveform to at least one group of the n groups of pixels, and applying a top off waveform to cardinal pixels of the at least one group of pixels.. ... E Ink Corporation

Cover plate structure and display device

A cover plate structure for a display device is provided. The cover plate structure includes a light-transmitting substrate, a light-shielding layer, and a light-transmitting covering layer. ... E Ink Corporation

Display device and manufacturing method thereof

A display device includes a display region, a signal-sending region, data lines, scan lines, selection-line regions, and a repair line. The signal-sending region is located at a side of the display region. ... E Ink Corporation

Electronic paper display and method for driving electronic paper display panel

An electronic paper display including an electronic paper display panel and a driver circuit is provided. The electronic paper display panel includes a plurality of pixels. ... E Ink Corporation

Electronic paper display and method for driving electronic paper display panel

An electronic paper display including an electronic paper display panel and a driver circuit is provided. The electronic paper display panel is configured to display an image. ... E Ink Corporation

Multi-color electro-optic displays

An electro-optic display comprising at least two separate layers of electro-optic material, with one of these layers being capable of displaying at least one optical state which cannot be displayed by the other layer. The display is driven by a single set of electrodes between which both layers are sandwiched, the two layers being controllable at least partially independently of one another. ... E Ink Corporation

08/16/18 / #20180233683

Organic thin film transistor and display device

An organic thin film transistor includes a drain electrode, a semiconductor layer, a source electrode, a gate insulator, and a gate electrode. A horizontal portion and a vertical portion of the semiconductor layer are respectively located on a top surface and an end surface of the drain electrode, and the drain electrode protrudes from the horizontal portion in a first direction. ... E Ink Corporation

08/16/18 / #20180231865

Electro-optic displays

The invention provides an electrophoretic medium comprising at least two types of particles having substantially the same electrophoretic mobility but differing colors. The invention also provides article of manufacture comprising a layer of a solid electro-optic medium, a first adhesive layer on one surface of the electro-optic medium, a release sheet covering the first adhesive layer, and a second adhesive layer on an opposed second surface of the electro-optic medium.. ... E Ink Corporation

08/16/18 / #20180231864

Polymer additives used in color electrophoretic display medium

An electrophoretic medium may be incorporated into an electrophoretic display that includes a dispersion containing a non-polar fluid, a plurality of first charged colored particles, polyisobutylene, and an additive selected from co-polymers of vinyl aromatics and at least one hydrocarbon having 2 to 5 carbons and at least one double bond. The co-polymer and the ratio of the co-polymer to polyisobutylene is selected, such that bistability performance is maintained while improving the color state performance of the display.. ... E Ink Corporation

07/26/18 / #20180213649

Fabrication method of flexible electronic device

A fabrication method of a flexible electronic device is provided. A flexible substrate is placed directly on a rigid substrate. ... E Ink Corporation

07/26/18 / #20180211584

Electronic paper display apparatus

An electronic paper display apparatus including an electronic paper display panel and a driver apparatus is provided. The electronic paper display panel displays image frames and includes a plurality of display modes. ... E Ink Corporation

07/26/18 / #20180210312

Color organic pigments and electrophoretic display media containing the same

An electrophoretic display medium includes a front and a rear electrode, at least one of the front and rear electrodes being transparent, and an encapsulated dispersion fluid containing a plurality of pigments positioned between the front and rear electrode. The plurality of pigments includes a first and a second type of organic pigment particle. ... E Ink Corporation

07/26/18 / #20180210310

Dual sided electrophoretic display

An image display medium includes a first and second layer of encapsulated dispersion fluid containing charged particles and a front and rear light-transmissive electrode. The first layer is positioned between the front light-transmissive electrode and the second layer and the second layer is position between the first layer and the rear light-transmissive electrode. ... E Ink Corporation

07/19/18 / #20180204492

Display apparatus

A display apparatus including a display panel and a driver circuit is provided. The display panel includes a display region and a non-display region. ... E Ink Corporation

07/12/18 / #20180197486

Drivers providing dc-balanced refresh sequences for color electrophoretic displays

A method for driving an electro-optic display having a front electrode, a backplane, and a display medium including at least three differently-colored particles, wherein the medium is positioned between the front electrode and the backplane. The method includes applying a reset phase and a color transition phase to the display such that the sum of all impulses results in an offset that maintains a dc-balance across the display medium. ... E Ink Corporation

07/12/18 / #20180196326

Electro-optic display backplane structures with drive components and pixel electrodes on opposed surfaces

The subject matter presented herein relates to a method for producing a backplane for electro-optic displays. The method may include providing a substrate coated with a first conductive material on a first side and a second conductive material on a second side, the second side being positioned opposite from the first side, patterning the first conductive material by cutting through the first conductive material, wherein the patterning of the first conductive material creates electrical isolated conductive segments to be controlled by a driver circuit and creating a plurality of vias on the substrate, the plurality of vias extending through the substrate and providing electrical conductivity between the first and second sides. ... E Ink Corporation

07/05/18 / #20180188596

Display apparatus

A display apparatus includes a first substrate, a plurality of sub-pixel structures, a color filter array, and a display layer. The sub-pixel structures are disposed on the first substrate, and each of the sub-pixel structures includes at least two sub-pixel sub-structures. ... E Ink Corporation

06/28/18 / #20180182332

Electronic paper display

An electronic paper display including a display apparatus of a first type, a driver circuit of the first type electrically coupled to the display apparatus of the first type, a display film of a second type disposed on the display apparatus of the first type and a timing controller circuit of the second type electrically coupled to the driver circuit of the first type is provided. The driver circuit of the first type drives the display apparatus of the first type and displays images on the display film of the second type according to a driving signal of the first type. ... E Ink Corporation

06/21/18 / #20180173075

Display apparatus

A display apparatus includes a display module, a protective layer and at least one discontinuous printed pattern. The display module has a display area. ... E Ink Corporation

06/14/18 / #20180165900

Intelligent authentication system and electronic key thereof

An intelligent authentication system including an electronic lock and an electronic key is provided. The electronic key includes an electronic paper display apparatus. ... E Ink Corporation

06/14/18 / #20180164652

Electro-optic media produced using ink jet printing

Ink jet printing can be used in the production of electro-optic displays for (a) forming a layer of a polymer-dispersed electrophoretic medium on a substrate; (b) forming a color electro-optic layer; (c) forming a color filter; and (d) printing electrodes and/or associated conductors on a layer of electro-optic material.. . ... E Ink Corporation

06/07/18 / #20180160553

Foldable display device and holding structure thereof

A foldable display device includes a holding structure and a flexible display panel. The holding structure includes a soft outer housing, a first inner housing, a second inner housing, a first supporting stage, a second supporting stage, a first hinge, a first spring element, a second hinge, and a second spring element. ... E Ink Corporation

06/07/18 / #20180158840

Pixel array substrate

A pixel array substrate includes a display area, signal lines, transmission lines, selection lines, and jumper wires. The selection lines intersect with the signal lines to form intersection regions. ... E Ink Corporation

06/07/18 / #20180158838

Pixel array substrate

A pixel array substrate includes a substrate, first signal lines, second signal lines, active elements, pixel electrodes, selection lines, a driving unit, and metal lines. Each selection line is intersected with the first signal lines to form a first intersection and second intersections. ... E Ink Corporation

06/07/18 / #20180158419

Electro-phoretic display apparatus

An electro-phoretic display apparatus including an electro-phoretic display panel and a driving circuit is provided. The electro-phoretic display panel includes a display area and a border area. ... E Ink Corporation

06/07/18 / #20180158392

Timing controller circuit of electronic paper display apparatus

A timing controller circuit of an electronic paper display apparatus including an image processing circuit and a timing controller is provided. The image processing circuit receives an image signal and analyzes the image signal according to a signal component of the image signal, so as to determine a display mode of the electronic paper display apparatus. ... E Ink Corporation

06/07/18 / #20180158388

Display device and electronic paper display device

A display device includes a first display unit, a first selecting switch, a first block switch, a first selecting gate line, a second display unit, a second selecting switch, a second block switch, a second selecting gate line, and a block gate line. The first selecting gate line is configured to provide a first selecting gate signal to a control end of the first selecting switch. ... E Ink Corporation

06/07/18 / #20180157143

Electrophoretic display panel

An electrophoretic display panel including a first electrode layer, a second electrode layer, an electrophoretic display layer and a low surface energy coating layer is provided. The first electrode layer has a first surface and a second surface corresponding to the first surface. ... E Ink Corporation

05/31/18 / #20180149942

Laminated electro-optic displays and methods of making same

A method of forming an electrophoretic display is provided that includes forming a front plane laminate having a first substrate, a first conductive layer, a layer of electrophoretic media, and an adhesive, as well as coating an insulating layer and a second conductive layer onto a second substrate to provide a backplane. The first substrate and first conductive layer may be transparent, and the second substrate may include a plurality of conductors. ... E Ink Corporation

05/24/18 / #20180146560

Foldable display device and holding structure thereof

A foldable display device includes a holding structure and a flexible display panel. The holding structure includes a housing, a first supporting stage, a second supporting stage, a supporting element, and a first flexible element. ... E Ink Corporation

05/24/18 / #20180143459

Reflective display apparatus

A reflective display apparatus including a reflective display panel, a transparent cover plate, and a light source is provided. The transparent cover plate is disposed on one side of the reflective display panel. ... E Ink Corporation

05/17/18 / #20180137802

Pixel structure and driving method

A pixel structure includes data lines disposed along a first direction, scan lines disposed along a second direction and pixel units periodically disposed along the first and the second directions. In a first pixel unit, a first switch element is coupled to a first scan line and a first data line, the second switch element is coupled to the first scan line, and a third switch element is coupled to the first scan line. ... E Ink Corporation

05/17/18 / #20180136534

Colored electrophoretic displays

An electrophoretic medium comprises a fluid, a first, light scattering particle (typically white) and second, third and fourth particles having three subtractive primary colors (typically magenta, cyan and yellow); at least two of these colored particles being non-light scattering. The first and second particles bear polymer coatings such that the electric field required to separate an aggregate formed by the third and the fourth particles is greater than that required to separate an aggregate formed from any other two types of particles. ... E Ink Corporation

05/17/18 / #20180136533

Colored electrophoretic displays

An electrophoretic medium comprises a fluid, a first, light scattering particle (typically white) and second, third and fourth particles having three subtractive primary colors (typically magenta, cyan and yellow); at least two of these colored particles being non-light scattering. The first and second particles bear polymer coatings such that the electric field required to separate an aggregate formed by the third and the fourth particles is greater than that required to separate an aggregate formed from any other two types of particles. ... E Ink Corporation

05/17/18 / #20180136532

Electro-optic displays, and methods for driving same

A first display includes a layer of electro-optic material with first and second electrodes on opposed sides thereof. One or both electrodes have at least two spaced contacts. ... E Ink Corporation

05/10/18 / #20180130825

Pixel array

A pixel array includes first signal lines, second signal lines, active elements, pixel electrodes, and selection lines. The second signal lines are intersected with and electrically insulated to the first signal lines to define pixel regions. ... E Ink Corporation

05/10/18 / #20180130824

Display panel, pixel array substrate and line array structure

A line array structure is provided, including long wirings, short wirings, first dummy wirings and connection lines. The substrate has an elongated region, a protruding region and a drive connection region. ... E Ink Corporation

05/10/18 / #20180128762

Sensitive device and method of forming the same

A sensitive device includes a plurality of first conductive nanostructures, a conductive layer and at least one electrode. The conductive layer covers the first conductive nanostructures. ... E Ink Corporation

05/03/18 / #20180122306

Color display device and driving methods therefor

The invention relates to electrophoretic layers containing at least five different particles, and to driving methods for displaying at least five, and in some embodiments, six different colors at each pixel or sub-pixel. The electrophoretic layers may also contain uncharged neutral buoyancy particles, and the driving methods may include special shaking waveform sequences.. ... E Ink Corporation

05/03/18 / #20180122274

Identifiable element, display device, method of manufacturing the same, and method of forming a display pattern

A method of manufacturing an identifiable element, includes: providing or receiving a display layer, which includes an bistable layer, an electrode layer, an conductive transparent layer, and a light-trigger electric change layer, in which the electrode layer and the conductive transparent layer are disposed at opposite sides of the electrophoretic layer, and the light-trigger electric change layer is disposed between the electrophoretic layer and the conductive transparent layer; applying a voltage bias across the electrode layer and the conductive transparent layer; and providing a light illuminating a portion of the light-trigger electric change layer through the conductive transparent layer to change a display status of a region of the bistable layer corresponding to the illuminated portion, whereby forming a display pattern in the display layer. An identifiable element is provided herein as well.. ... E Ink Corporation

05/03/18 / #20180120665

Multi-layered electrophoretic displays

A composite electrophoretic display comprised of multiple, stacked, non-planar electrophoretic displays. The individual electrophoretic displays that form the composite display may be driven separately using different driving signals. ... E Ink Corporation

04/19/18 / #20180108678

Pixel structure

A pixel structure includes a pixel electrode, a data selection line and an isolation line. The isolation line is disposed along the pixel electrode. ... E Ink Corporation

04/12/18 / #20180102081

Driving methods for electro-optic displays

A driving method an electro-optic display having a plurality of display pixels, the method include applying a first set of waveform to a first display pixel, the first set of waveform having at least one active portion configured to affect the optical state of the first display pixel and at least one non-active portion configured not to substantially affect the optical state of the first display pixel. The method also include applying a second set of waveform to a second display pixel, the second set of waveform having at least one active portion configured to affect the optical state of the second display pixel and at least one non-active portion configured not to substantially affect the optical state of the second display pixel, where the at least one active portions of the first and second set of waveforms do not overlap in time.. ... E Ink Corporation

04/05/18 / #20180095309

Waterproof display apparatus and forming method thereof

A waterproof display apparatus includes a bottom waterproof structure, a plurality of driving substrates, a panel laminate (fpl) and a top waterproof structure. The bottom waterproof structure has a first edge. ... E Ink Corporation

03/29/18 / #20180088397

Display apparatus and pixel structure thereof

A display apparatus includes at least one pixel structure, which includes an active device, an electric insulation layer and a pixel electrode. The electric insulation layer is disposed on the active device. ... E Ink Corporation

03/15/18 / #20180076402

Transistor and method of manufacturing the same

A method of forming a transistor includes: forming a stack structure including a first conductive layer, a first insulating layer, a second conductive layer, and a second insulating layer on a substrate; patterning the first insulating layer, the second conductive layer, and the second insulating layer to form at least one opening passing through the first insulating layer, the second conductive layer, and the second insulating layer; forming a semiconductor layer over the second insulating layer and filling the opening; removing the portion of the semiconductor layer over the second insulating layer, in which the portion of the semiconductor layer filled in the opening constitutes at least one semiconductor channel; and forming a third conductive layer over the semiconductor channel.. . ... E Ink Corporation

03/15/18 / #20180075812

Methods for driving electro-optic displays

There are provided display controllers and driving methods related to those described in us published patent application no. 2013/0194250. ... E Ink Corporation

03/15/18 / #20180074379

Electro-optic displays, and processes for the production thereof

Improvements in the production of electro-optic displays include: (a) use of a masking film to keep a selected area of a backplane (such as a front electrode contact) free from electro-optic material; (b) spray coating of electrophoretic capsules on to a substrate under controlled conditions; (c) forming a monolayer of capsules on a substrate by prior deposition of a water-swellable polymer; and (d) overcoating a layer of electro-optic material with a solvent-free polymerizable liquid material, contacting this layer with a light-transmissive electrode layer, and polymerizing the liquid material to adhere the electrode layer to the electro-optic material.. . ... E Ink Corporation

03/08/18 / #20180069188

Organic light-emitting device

An organic light-emitting device includes a first electrode, a first light-emitting layer, a first low work function layer, a second low work function layer, a conductive etching-resistant layer, a first hole-injection layer, a second light-emitting layer, and a second electrode. The first light-emitting layer is disposed over the first electrode. ... E Ink Corporation

03/08/18 / #20180068632

Electronic paper display device

An electronic paper display device including an electronic paper display substrate and a power supply circuit is provided. An electronic paper display panel and a driving circuit are disposed on the electronic paper display substrate. ... E Ink Corporation

03/01/18 / #20180059500

Electrophoretic dispersion including charged pigment particles, uncharged additive nanoparticles, and uncharged neutral density particles

The present invention is directed to an electrophoretic dispersion comprising charged pigment particles, in particular, an electrophoretic dispersion including both uncharged or lightly charged neutral buoyancy particles and uncharged or lightly charged additive particles. The combination improves the performance of an electrophoretic display, in particular the color state stability over time.. ... E Ink Corporation

02/22/18 / #20180053472

Methods for driving four particle electrophoretic display

The present invention provides driving methods for a color display device in which each pixel can display four high-quality color states. More specifically, an electrophoretic fluid is provided which comprises four types of particles, dispersed in a solvent or solvent mixture.. ... E Ink Corporation

02/15/18 / #20180047587

Transistor and method of manufacturing the same

A method of manufacturing a transistor, includes: (i) forming a metal-oxide semiconductor layer over a substrate; (ii) forming a source electrode and a drain electrode on different sides of the metal-oxide semiconductor layer; (iii) forming a dielectric layer over the source electrode, the drain electrode, and the metal-oxide semiconductor layer; (iv) forming a hydrogen-containing insulating layer over the dielectric layer, in which the hydrogen-containing insulating layer has an aperture exposing a surface of the dielectric layer, and the aperture is overlapped with the metal-oxide semiconductor layer when viewed in a direction perpendicular to the surface; (v) increasing a hydrogen concentration of a portion of the metal-oxide semiconductor layer by treating the hydrogen-containing insulating layer so to form a source region and a drain region; and (vi) forming a gate electrode in the aperture.. . ... E Ink Corporation

02/08/18 / #20180039303

Wearable apparatus having a flexible electrophoretic display

A flexible, wearable apparatus comprising a flexible display, a support member and a retainer. In some embodiments, the flexible, wearable apparatus can be used in a flat or rounded configuration. ... E Ink Corporation

02/08/18 / #20180039150

Electrophoretic display device

An electrophoretic display device includes an electrophoretic display module, a color filter layer, a first adhesive layer, a first protection layer, a second adhesive layer, and a second protection layer. The electrophoretic display module has a first surface and a second surface. ... E Ink Corporation

02/01/18 / #20180031884

Display device and manufacturing method thereof

A display device includes a transparent cover, a photovoltaic conversion layer, a display module, and a planarization layer. The transparent cover has a visible region and an edge region that surrounds the visible region. ... E Ink Corporation

01/25/18 / #20180026078

Electronic device package

An electronic device package includes a carrying board, an electronic device, a first insulating layer, and a barrier layer. The carrying board includes a central area, an inner edge area, and an outer edge area. ... E Ink Corporation

01/11/18 / #20180012939

Flexible display device

A flexible display device includes a flexible substrate, an inorganic barrier layer, a metal layer, an organic buffer layer, and an insulating layer. The inorganic barrier layer is located on the flexible substrate. ... E Ink Corporation

01/04/18 / #20180002543

Electrophoretic medium comprising a mixture of charge control agents

An electrophoretic medium including a mixture of charge control agents, for example quaternary amine salts of polyisobutylene combined with quaternary amine salts of polyesters. The described electrophoretic medium exhibits improved color saturation as compared to similar electrophoretic media having only one of the charge control agents.. ... E Ink Corporation

12/21/17 / #20170362479

Polymer formulations for use with electro-optic media

Polymer formulations including urethane acrylates, adhesion promoters, and conductive monomers. By selecting suitable conductive monomers, it is possible to achieve formulations having a volume resistivity from 106 to 1010 ohm·cm after being conditioned for one week at 25° c. ... E Ink Corporation

12/14/17 / #20170358263

Image display medium driving device, image display apparatus, driving program, and computer-readable medium

A image display medium driving device includes a voltage application unit that applies a voltage between a pair of substrates, at least one of which is transparent, of an image display medium including plural types of particles which are sealed between the pair of substrates, are attached to the substrates, and start to be separated from the substrates at different times when a predetermined voltage is applied and a control unit that controls the voltage application unit such that a time when the voltage is applied between the pair of substrates varies depending on image information.. . ... E Ink Corporation

12/14/17 / #20170357138

Components and methods for use in electro-optic displays

A front plane laminate useful in the manufacture of electro-optic displays comprises, in order, a light-transmissive electrically-conductive layer, a layer of an electro-optic medium in electrical contact with the electrically-conductive layer, an adhesive layer and a release sheet. This front plane laminate can be prepared as a continuous web, cut to size, the release sheet removed and the laminate laminated to a backplane to form a display. ... E Ink Corporation

12/14/17 / #20170357137

Additive particles for improving optical performance of an electrophoretic display

The present invention is directed to an electrophoretic fluid which comprises additive particles. The concentration of the additive particles in the electrophoretic fluid does not exceed 25% by weight and the additive particles are not seen at the viewing side during operation of the display. ... E Ink Corporation

12/14/17 / #20170357118

Touch display device

A touch display device including a driving substrate, a display module, a touch electrode layer and an insulating layer is provided. The driving substrate has a display area and a non-display area located outside the display area. ... E Ink Corporation

12/14/17 / #20170357116

Electro-optic display apparatus

A display apparatus having a plurality of display surfaces controlled by a controller, the display apparatus having a mounting substrate for mounting the plurality of display surfaces. The mounting structure having a conductor layer for providing electrical connections to the plurality of display surfaces. ... E Ink Corporation

12/07/17 / #20170351155

Mixtures of encapsulated electro-optic medium and binder with low solvent content

An electro-optic device includes a first substrate having a first conductive layer thereon; a second substrate having a second conductive layer thereon; and an electro-optic layer comprising electro-optic microcapsules in a 100% solids or substantially solvent free radiation curable binder, the electro-optic layer being disposed between the first and second substrates in contact with the first and second conductive layers.. . ... E Ink Corporation

11/30/17 / #20170346989

Method for rendering color images

An image is rendered on a display having a limited number of primary colors by (104) combining input data representing the color of a pixel to be rendered with error data to form modified input data, determining in a color space the simplex (208—typically a tetrahedron) enclosing the modified input data and the primary colors associated with the simplex, converting (210) the modified image data to barycentric coordinates based upon the primary colors associated with the simplex and (212) setting output data to the primary having the largest barycentric coordinate, calculating (214) the difference between the modified input data and the output data for the pixel, thus generating error data, applying (106) this error data to at least one later-rendered pixel, and applying the output data to the display and thus rendering the image on the display. Apparatus and computer-storage media for carrying out this process are also provided.. ... E Ink Corporation

11/30/17 / #20170343880

Color display device

The present invention provides a realistic solution for a highlight or multicolor display device which can display high quality color states. More specifically, an electrophoretic fluid is provided which comprises four types of particles, having different levels of size, threshold voltage or charge intensity.. ... E Ink Corporation

11/30/17 / #20170343879

Stretchable electro-optic displays

A stretchable electro-optic display includes a layer of conductive material and an electrophoretic medium laminated to the layer of conductive material. The layer of conductive material also includes a plurality of nodes and a stretchable interconnect connecting first and second nodes of the plurality of nodes. ... E Ink Corporation

11/30/17 / #20170343876

Backplanes for electro-optic displays

A backplane for an electro-optic display that includes a data line, a transistor, a pixel electrode connected to the data line via the transistor, the pixel electrode positioned adjacent to part of the data line so as to create a data line/pixel electrode capacitance. The backplane further including a shield electrode disposed adjacent to at least part of the data line so as to reduce the data line/pixel electrode capacitance.. ... E Ink Corporation

11/23/17 / #20170336896

Magnetically-responsive display including a recording layer configured for local and global write/erase

A recording layer is described that comprises a magnetizable material configured to store an image represented by magnetized regions of the magnetizable material. The magnetizable material may be brought into proximity with a magnetically responsive display layer, which may cause a change in an optical state of the display layer such that a facsimile of the image represented by the magnetized regions is produced within the display layer.. ... E Ink Corporation

11/23/17 / #20170336694

Display device with water-proof glue

A display device includes a cover plate, a display, a frame, a flexible circuit board and a water-proof glue. The display is disposed on the cover plate. ... E Ink Corporation

11/16/17 / #20170329193

Pixel array

A pixel array includes multiple first signal lines, multiple second signal lines, multiple third signal lines and multiple pixel structures. The first signal lines are arranged in parallel. ... E Ink Corporation

11/16/17 / #20170329070

Light-emitting module

The present disclosure provides a light-emitting module. The light-emitting module includes a light guide plate, a light source, and a brightness adjustment element. ... E Ink Corporation

11/16/17 / #20170327692

Functionalized quinacridone pigments

Quinacridone pigments that are surface-functionalized with glycidyl methacrylate, maleic anhydride, or 4-methacryloxyethyl trimellitic anhydride to create a functionalized pigment. The functional groups are then activated to bond hydrophobic polymers, thereby coating the pigment with the hydrophobic polymers. ... E Ink Corporation

10/26/17 / #20170307934

Electro-optic displays, and components for use therein

A method and system for forming filter elements on a plurality of display substrates using a digital imaging system operable to selectively deposit filter material at a plurality of deposition locations is disclosed. The method involves receiving orientation information defining a disposition of a plurality of pixels associated with the at least one display substrate, identifying pixels in the plurality of pixels that are to receive filter material for forming a filter element on the pixel, selecting deposition locations within each of the identified pixels in accordance with the orientation information to meet an alignment criterion associated with placement of the filter element within the pixel, and controlling the digital imaging system to cause deposition of the filter material at the selected deposition locations. ... E Ink Corporation

10/26/17 / #20170307929

Foldable electro-optic display apparatus

An image display apparatus having a flexible electronic display comprising a bendable portion that is flexible and configured to display an image, a support member comprising a substantially planar portion that resists bending and a bending-protection portion that bends and protects the bendable portion of the flexible display, and a retainer for retaining the flexible electronic display proximal to a surface of the support member.. . ... E Ink Corporation

10/05/17 / #20170287407

Color electrophoretic displays using same polarity reversing address pulse

An electrophoretic display comprising a fluid including a first species of particles and a charge control agent disposed between first and second electrodes. When a first addressing impulse have an electrical polarity is applied to the medium, the first species of particles move in one direction relative to the electric field, but when a second addressing impulse, larger than the first addressing impulse but having the same electrical polarity, is applied to the medium, the first species of particles move in the opposed direction relative to the electric field.. ... E Ink Corporation

10/05/17 / #20170287377

Methods for driving color electrophoretic displays

An electrophoretic medium includes a fluid, a first, light scattering particle (typically white) and second, third and fourth particles having three subtractive primary colors (typically magenta, cyan and yellow); at least two of these colored particles being non-light scattering. The first and second particles bear polymer coatings such that the electric field required to separate an aggregate formed by the third and the fourth particles is greater than that required to separate an aggregate formed from any other two types of particles. ... E Ink Corporation

09/14/17 / #20170263176

Driving methods for color display device

The present invention is directed to driving methods for a color display device which can display high quality color states. The display device utilizes an electrophoretic fluid which comprises three types of pigment particles having different optical characteristics, and provides for displaying at a viewing surface not only the colors of the three types of particles but also the colors of binary mixtures thereof. ... E Ink Corporation

09/14/17 / #20170263175

Methods for driving electro-optic displays

A method for driving an electro-optic display having a front electrode, a backplane and a display medium positioned between the front electrode and the backplane, the method comprising of applying a first driving phase to the display medium, the first driving phase having a first signal and a second signal, the first signal having a first polarity, a first amplitude as a function of time, and a first duration, the second signal succeeding the first signal and having a second polarity opposite to the first polarity, a second amplitude as a function of time, and a second duration, such that the sum of the first amplitude as a function of time integrated over the first duration and the second amplitude as a function of time integrated over the second duration produces a first impulse offset. The method further comprising applying a second driving phase to the display medium, the second driving phase produces a second impulse offset, wherein the sum of the first and second impulse offset is substantially zero. ... E Ink Corporation

09/07/17 / #20170253743

Electrophoretic particles and processes for the production thereof

Polymer shells similar to those described in u.s. Pat. ... E Ink Corporation

09/07/17 / #20170253742

Electrophoretic particles and processes for the production thereof

Polymer shells similar to those described in u.s. Pat. ... E Ink Corporation

08/24/17 / #20170243547

Method for driving electro-optic displays

A large area display having multiple sub-units arranged in rows and columns and a method of driving the multiple sub-units as a single display are provided. Each sub-unit has an associated pixel row driver and pixel column driver. ... E Ink Corporation

08/17/17 / #20170235206

Electrophoretic displays

A variable transmission display comprises an electrophoretic medium having electrically charged particles dispersed in a fluid, the electrophoretic medium being capable of assuming a light-transmissive state and a substantially non-light-transmissive state; a light-transmissive first electrode disposed adjacent one side of the electrophoretic medium; light-transmissive second electrodes disposed adjacent the other side of the electrophoretic medium; and voltage means for varying the potential each of the second electrodes independently of one another.. . ... E Ink Corporation

07/20/17 / #20170205649

Polyhydroxy compositions for sealing electrophoretic displays

Polyhydroxy sealing formulations for the production of electrophoretic displays, and portions thereof, for example, front plane laminates. When the disclosed polyhydroxy compounds are included in a sealing layer (or in a binder layer), the layer has improved wetting properties, allowing for more consistent application of the layer in a roll-to-roll production process. ... E Ink Corporation

07/20/17 / #20170205626

Surfactants for improving electrophoretic media performance

Methods for improving the performance of electrophoretic media with the addition of acetylene surfactants comprising hydroxyl groups. In particular, the described acetylene surfactants reduce ghosting while improving the contrast ratio in electrophoretic displays.. ... E Ink Corporation

07/20/17 / #20170205555

Light emitting device and light guide plate thereof

A light emitting device includes a light guide plate and a light source. The light guide plate has a first surface, a second surface that is opposite to the first surface, at least one third surface, and a light incident surface. ... E Ink Corporation

07/20/17 / #20170204047

Branched polyol additives for electrophoretic media

Additives for electrophoretic media comprising esters of branched polyols and fatty acids, such as esters of pentaerythritol propoxylate (5/4 po/oh) and stearic acid. The fatty acids may be saturated or unsaturated, branched or unbranched. ... E Ink Corporation

06/22/17 / #20170178574

Methods for driving electro-optic displays

A method of operating an electro-optic display in which an image is scrolled across the display, and in which a clearing bar is provided between two portions of the image being scrolled, the clearing bar scrolling across in display in synchronization with said two portions of the image, the writing of the clearing bar being effected such that every pixel over which the clearing bar passes is rewritten.. . ... E Ink Corporation

06/15/17 / #20170168370

Methods for driving electrophoretic displays using dielectrophoretic forces

A dielectrophoretic display has a substrate having walls defining a cavity, the cavity having a viewing surface and a side wall inclined to the viewing surface. A fluid is contained within the cavity; and a plurality of particles are present in the fluid. ... E Ink Corporation

06/15/17 / #20170168369

Electrode structures for electro-optic displays

A sub-assembly for use in an electro-optic display, the sub-assembly comprising an electrically non-conductive substrate, a lamination adhesive layer, a light-transmissive electrically-conductive ceramic layer, and a light-transmissive non-ceramic electrically-conductive layer positioned between the light transmissive electrically-conductive ceramic layer and the lamination adhesive layer.. . ... E Ink Corporation

06/08/17 / #20170160556

Three-dimensional display

Three-dimensional displays are described using electrophoresis or electro-wetting media to modulate the total internal reflection of light in a waveguide.. . ... E Ink Corporation

06/01/17 / #20170153724

Touch panel module with conductive through holes and touch display device having the same

A touch panel module includes a support body, first touch electrodes, plural second touch electrodes, first conductive wires, second conductive wires, and conductive through holes. The support body has a first surface and a second surface opposite to the first surface. ... E Ink Corporation

05/18/17 / #20170139304

Color display device

The present invention provides a reflective color display device which can display multiple color states, without the disadvantages associated with previously known color display devices. The display fluid of the present invention comprises (a) black and white electrophoretic particles which are oppositely charged and (b) charged color-generating particles having photonic crystal characteristics, all of which are dispersed in a solvent or solvent mixture.. ... E Ink Corporation

05/18/17 / #20170139303

Electro-optic displays

Techniques and structures for measuring the kickback voltage of an active matrix electro-optic display, such as an electrophoretic display, are described. The active-matrix display includes a capacitor coupled to an electrode of the display. ... E Ink Corporation

05/18/17 / #20170137632

Methods for modifying zeta potential of electrophoretic particles

The present invention is directed to methods for modifying the zeta potential of an electrophoretic pigment particle. The composite pigment particle comprises at least a core pigment particle and a shell coated over the core pigment particle, wherein the shell is formed from a monomer and a co-monomer. ... E Ink Corporation

05/11/17 / #20170133607

Transistor structure and manufacturing method thereof

A transistor structure disposed on a substrate includes a gate electrode, an organic semiconductor layer, a gate insulation layer and a patterned metal layer. The gate insulation layer is disposed between the gate and the organic semiconductor layer. ... E Ink Corporation

05/11/17 / #20170131612

Electro-optic displays, and materials for use therein

A first electro-optic display comprises first and second substrates, and an adhesive layer and a layer of electro-optic material disposed between the first and second substrates, the adhesive layer comprising a mixture of a polymeric adhesive material and a hydroxyl containing polymer having a number average molecular weight not greater than about 5000. A second electro-optic display is similar to the first but has an adhesive layer comprising a thermally-activated cross-linking agent to reduce void growth when the display is subjected to temperature changes. ... E Ink Corporation

05/11/17 / #20170130053

Functionalized quinacridone pigments

Quinacridone pigments that are surface-functionalized with glycidyl methacrylate, maleic anhydride, or 4-methacryloxyethyl trimellitic anhydride to create a functionalized pigment. The functional groups are then activated to bond hydrophobic polymers, thereby coating the pigment with the hydrophobic polymers. ... E Ink Corporation

05/04/17 / #20170125443

Contact window structure, pixel structure and method for manufacturing thereof

The present disclosure provides a contact window structure. In the contact window structure, a first insulating layer, having a first opening, is positioned on a first metal layer, wherein the first opening exposes a part of the first metal layer. ... E Ink Corporation

05/04/17 / #20170121563

Methods for sealing microcell containers with phenethylamine mixtures

A method for sealing a container having an opening by contacting the opening with a mixture including a phenethylamine and a first polymer, adding a fluid to be contained to the container, and then adding a second mixture, comprising a second polymer, whereupon an interaction between the first and second polymer mixtures result in a seal being formed over the opening, thereby containing the fluid. The first polymer is typically a water-swellable polymer and the second polymer is typically a hydrophilic polymer that will form an interpenetrating network with the swellable polymer.. ... E Ink Corporation

04/27/17 / #20170116905

Reading apparatus and control method thereof

A control method for a reading apparatus, includes making a display screen of the reading apparatus displaying a first pattern with a first gray value according to a first display request; and making the display screen displaying a second pattern with a second gray value according to a second display request under a condition of the first pattern existing. The second gray value is different from the first gray value.. ... E Ink Corporation

04/20/17 / #20170110091

Pixel array

A pixel array including first signal lines, second signal lines, active elements, pixel electrodes and selection lines is provided. The second signal lines and the selection lines are intersected with the first signal lines respectively. ... E Ink Corporation

04/13/17 / #20170105304

Waterproof display apparatus and method of assembling the same

A waterproof display apparatus includes an envelope, a display panel and an adhesive structure. The envelope includes an inner enclosing surface. ... E Ink Corporation

04/13/17 / #20170103709

Electrophoretic display device

An electrophoretic display is provided suitable for passive matrix driving. The electrophoretic display comprises three types of particles, with the first and second types of charged particles carrying charges of opposite polarities and have contrasting colors. ... E Ink Corporation

04/13/17 / #20170102497

Reflective display apparatus and front light module thereof

A front light module includes a light guide plate, a light source and a light redirection film. The light guide plate includes a light incident surface, an inner light outgoing surface and an outer light outgoing surface. ... E Ink Corporation

04/06/17 / #20170098417

Passive matrix for electrophoretic displays

The present invention is directed to methods of passively driving an electrophoretic display. The electrophoretic fluid comprises three types of particles wherein two types particles are charged pigment particles having opposite charge polarities and contrasting colors. ... E Ink Corporation

04/06/17 / #20170097556

Electrophoretic media including charge control agents comprising quartenary amines and unsaturated polymeric tails

Improved formulations of electrophoretic media that can be incorporated into displays, front plane laminates, inverted front plane laminates, or color changing films. The formulations include a non-polar fluid, a plurality of first charged particles, and charge control agents (cca) including a quaternary amine and an unsaturated polymeric tail comprising monomers of at least 10 carbon atoms in length. ... E Ink Corporation

04/06/17 / #20170097555

Variable color and transmission coverings

Variable transmission covering systems that can be used, for example, to control the amount of light passing through a window in a building. Using transmissive electrophoretic media that can switch between a first and second optical state, the invention can be used to change the color and/or transmissivity of a structure (or structures) that is placed in front of an object. ... E Ink Corporation

04/06/17 / #20170097525

Electro-optic display with edge seal

Various types of edge seals for protecting electro-optic displays against environmental contaminants are described. In one type of seal, the electro-optic layer is sandwiched between a backplane and a protective sheet and a sealing material extends between the backplane and the protective sheet. ... E Ink Corporation

03/30/17 / #20170090265

Aggregate particles for use in electrophoretic color displays

A multi-color display device has front and rear electrodes on opposed sides of an electrophoretic medium. The device has a voltage controller configured to apply a first and a smaller second potential difference, of either polarity, between the electrodes. ... E Ink Corporation

03/30/17 / #20170088758

Polyurethane adhesive layers for electro-optic assemblies

Electro-optic assemblies and related materials (e.g., adhesive) for use therein are generally provided. The adhesive layer may comprise an end-capped polyurethane. ... E Ink Corporation

03/23/17 / #20170082792

Front light module and display module

A front light module including a plurality of stacked transparent materials and a plurality of light sources is provided. The light sources are configured to provide light beams, and are disposed beside the light incident surface of the transparent materials. ... E Ink Corporation

03/16/17 / #20170076672

Apparatus and methods for driving displays

An apparatus for driving an electro-optic display may comprise a first switch designed to supply a voltage to the electro-optic display during a first driving phase, a second switch designed to control the voltage during a second driving phase and a resistor coupled to the first and second switches for controlling the rate of decay of the voltage during the second driving phase.. . ... E Ink Corporation

03/16/17 / #20170075186

Tiled electro-optic displays having flexible substrate and protective layer

An electro-optic display including a large area flexible substrate, a plurality of electro-optic display units, and an encapsulating cover sheet secured to the flexible substrate that encapsulates the display units. The encapsulating cover sheet protects the display units from mechanical damage and makes the tiled display units appear as a continuous structure.. ... E Ink Corporation

03/16/17 / #20170075168

Process for the production of electro-optic displays, and color filters for use therein

Processes are provided for depositing multiple color filter materials on a substrate to form color filters. In a first process, the surface characteristic of a substrate is modified by radiation so that a flowable form of a first color filter material will be deposited on a first area, and converted to a non-flowable form. ... E Ink Corporation

03/09/17 / #20170068125

Controlled polymeric material conductivity for use in a two-phase electrode layer

An electro-optic assembly including a first and second substrate and a layer of electro-optic material disposed between the substrates. Each substrate includes a two-phase, light-transmissive, electrically-conductive layer comprising a first phase made of a highly electronically-conductive matrix and a second phase made of a polymeric material composition having a controlled volume resistivity.. ... E Ink Corporation

03/02/17 / #20170061895

Devices and techniques for electronically erasing a drawing device

Devices and techniques for electronically erasing an externally addressed electrophoretic drawing device are described. An electronically-erasable drawing device comprises an electro-optic display medium and interdigitated electrodes disposed adjacent one surface of the medium and configured to drive the medium to an intermediate (gray) optical state. ... E Ink Corporation

02/23/17 / #20170054094

Transition metal carbene complexes and the electroluminescent application thereof

This invention provides a transition metal carbene complexes and the electroluminescent application thereof. Through employing different n̂n heteroleptic ligand, the transition metal carbene complex can display wide-range color tuning ability from deep blue to red. ... E Ink Corporation

02/23/17 / #20170052753

Displays intended for use in architectural applications

A display (100) primarily intended for use on an external surface of a building comprises a weatherproof housing (310, 340); a bistable electro-optic medium (326) enclosed within and visible through the housing; an electrode (324, 330) enclosed within the weatherproof housing and arranged to drive the electro-optic medium; a power generating means (504) enclosed within the weatherproof housing; data receiving means (508) enclosed within the weatherproof housing and arranged to receive data wirelessly from a source outside the weatherproof housing; and display drive means (510) arranged to receive data from the data receiving means and power from the power generating means, and to control the potential of the electrode.. . ... E Ink Corporation

02/23/17 / #20170052422

Flexible electronic circuits and displays

A backplane for use in an electro-optic display comprises a patterned metal foil having a plurality of apertures extending therethrough, coated on at least side with an insulating polymeric material and having a plurality of thin film electronic devices provided on the insulating polymeric material.. . ... E Ink Corporation

02/16/17 / #20170045965

Methods for driving electro-optic displays

A touch screen electro-optic display is arranged such that upon a touch being detected on the display surface, the display surface surrounding the touch “blinks” by being driven to a different optical state, then back to its original state. A second method uses a display having a pen or stylus which can draw lines upon the display. ... E Ink Corporation

02/16/17 / #20170045798

Color display device

The present invention provides a full color display device in which each pixel can display multiple high-quality color states. More specifically, an electrophoretic fluid is provided which comprises four types of particles, dispersed in a solvent or solvent mixture and each pixel can display at least five different color states.. ... E Ink Corporation

02/02/17 / #20170033132

Method of manufacturing pixel structure and pixel structure

A method of manufacturing a pixel structure includes: forming a source, a drain and a first capacitor electrode; forming a semiconductor layer in contact with a portion of the source and a portion of the drain; forming a gate and a second capacitor electrode, and the second capacitor electrode substantially aligned with the first capacitor electrode; forming a gate insulating layer between the semiconductor layer, the source, the drain and the first capacitor electrode, and the gate and the second capacitor electrode; forming a passivation layer over the source, the drain, the first capacitor electrode, the semiconductor layer, the gate and the second capacitor electrode; and forming a pixel electrode over the passivation layer, and the pixel electrode substantially aligned with the first capacitor electrode.. . ... E Ink Corporation

02/02/17 / #20170031229

Driving methods for color display devices

The present invention provides driving methods for electrophoretic color display devices. The backplane system used for the driving methods is found to be simpler which renders color display devices more cost effective. ... E Ink Corporation

02/02/17 / #20170031227

Reflective display device

A reflective display device includes an electrophoretic display module, an adhesive layer, and a color filter layer. The adhesive layer is located on the electrophoretic display module. ... E Ink Corporation

02/02/17 / #20170031204

Display device with watermark area and non-watermarks area

The present invention is directed to display devices comprising a watermark area and a non-watermark area. The display cells in the watermark area have widths of the partition walls, heights of the partition walls, top opening shapes or display cell sizes which are different from those of the display cells in the non-watermark area. ... E Ink Corporation

01/26/17 / #20170025072

Driving methods for color display devices

The present invention provides driving methods for color displays using electrophoretic fluids comprises four types of particles to display four colors at each pixel. Methods are also provided for displaying mixtures of certain pairs of colors at each pixel.. ... E Ink Corporation

01/26/17 / #20170022403

Polymer formulations for use with electro-optic media

Polymer formulations including urethane acrylates, adhesion promoters, and conductive monomers. By selecting suitable conductive monomers, it is possible to achieve formulations having a volume resistivity from 106 to 1010 ohm·cm after being conditioned for one week at 25° c. ... E Ink Corporation

01/19/17 / #20170018616

Manufacturing method of a transistor

A manufacturing method of a transistor is provided, and the method includes: providing a base; forming a fin-shaped gate on the base; covering the fin-shaped gate with an insulation layer; providing a substrate; forming a partially cured sol-gel on the substrate; inserting the fin-shaped gate into the partially cured sol-gel, so that a portion of the fin-shaped gate is uncovered by the partially cured sol-gel; after inserting the fin-shaped gate into the partially cured sol-gel, curing the partially cured sol-gel; and processing a portion of the partially cured sol-gel not overlapping with the fin-shaped gate to increase conductivity of the portion of the partially cured sol-gel.. . ... E Ink Corporation

01/12/17 / #20170012227

Active device and manufacturing method thereof

An active device is disposed on a substrate and includes a gate, an organic active layer, a gate insulation layer, a plurality of crystal induced structures, a source and a drain. The gate insulation layer is disposed between the gate and the organic active layer. ... E Ink Corporation

01/12/17 / #20170011677

Electronic paper display apparatus and a detection method thereof

An electronic paper display apparatus including a display driving unit, an electronic paper display panel and a detection circuit unit is provided. The display driving unit generates at least one driving signal. ... E Ink Corporation

01/05/17 / #20170003570

Multi-layered electrophoretic displays

Apparatus and methods for forming a composite electrophoretic display comprised of multiple, stacked electrophoretic displays are described. The individual electrophoretic displays that form the composite display may be driven separately using different driving signals. ... E Ink Corporation








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