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Synaptics Display Devices Kk patents (2015 archive)


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Synaptics Display Devices Kk-related inventors


10/29/15 / #20150310822

Differential amplifier circuit and display drive circuit

A differential amplifier circuit and display drive circuit having the same are disclosed herein. In one example, a differential amplifier circuit includes a differential pair transistor configure to receive a differential input signal. ... Synaptics Display Devices Kk

10/22/15 / #20150302789

Display device, display panel driver and drive method of display panel

A display device includes a display panel and a driver. The driver generates apl-calculation image data corresponding to an apl-calculation luminance image through an apl-calculation filtering process on the input usage data, calculates area characterization data including first apl data of each area in the apl-calculation luminance image and calculates second apl data depending on the position of each pixel and the first apl data of the area characterization data associated with the area in which each pixel is located and with the adjacent areas to generate pixel-specific characterization data including the second apl data. ... Synaptics Display Devices Kk

10/01/15 / #20150279800

Semiconductor device with external connection bumps

A semiconductor device includes a main structure, active bumps and dummy bumps which are provided over a surface of the main structure. The active bumps are arranged in first to n-th rows. ... Synaptics Display Devices Kk

10/01/15 / #20150279304

Power supply circuit, display panel driver and display device incorporating the same

A semiconductor integrated circuit includes a power line and a power supply circuitry. The power supply circuitry includes; a first power supply circuit operating on a first power supply voltage and having an output connected with the power line; and a second power supply circuit operating on a second power supply voltage higher than the first power supply voltage and having an output connected with the power line. ... Synaptics Display Devices Kk

10/01/15 / #20150279297

Drive capacity control for display panel driver and display device

A display device includes a display panel; and a driver. The display panel includes: first to third interconnections extended in a first direction, each having a first end connected to the driver; subpixels connected to the first interconnection and used for image display; and a bridge interconnection connecting the second and third interconnections at a second end of each of the second and third interconnections, the second end being located away from the driver. ... Synaptics Display Devices Kk

10/01/15 / #20150279295

Electronic apparatus and display driver

In case that a terminal gradation signal output terminal in a pre-stage display driver and an initial gradation signal output terminal in a next-stage display driver of a plurality of display drivers which are arranged in parallel are used in driving the same gradation signal electrode of a display panel, an output of dummy data from the other gradation signal output terminal which mutually competes with an output timing of a gradation signal from one gradation signal output terminal between both the gradation signal output terminals is suppressed by high impedance control of a corresponding gradation signal output terminal.. . ... Synaptics Display Devices Kk

09/24/15 / #20150268778

Semiconductor device

A display signal drive circuit is configured to output a display signal having a signal level based on a common voltage to a display panel. A touch detection signal drive circuit is configured to output a touch detection signal having a signal level based on the common voltage to a touch panel in case that a composite panel is an in-cell type, and is configured to output a touch detection signal having a signal level based on a voltage level other than the common voltage to the touch panel in case that the composite panel is an on-cell type.. ... Synaptics Display Devices Kk

09/24/15 / #20150268777

Display drive circuit

Provided is a display drive circuit which is connected to a display panel including a gate drive circuit that scans gate electrodes, a source driver that drives source electrodes of the display panel, and a gate control driver that supplies a clock signal to the gate drive circuit. The display drive circuit performs an intermittent operation which is alternately provided with a display period in which the source electrodes are driven and an interruption period during which the display panel is not updated. ... Synaptics Display Devices Kk

09/17/15 / #20150262547

Receiver circuit and operating method of the same

A receiver circuit includes a clk_lp circuit, a clk_hs circuit, a data_lp circuit, a data_hs circuit and a malfunction detection circuit. The clk_lp circuit and the clk_hs circuit are connected to the clock lane. ... Synaptics Display Devices Kk

09/10/15 / #20150253927

Semiconductor device

Embodiments herein describe a touch panel controller that has a first mode and a second mode. The touch panel controller performs a normal scan in the first mode, and performs a low-power scan in the second mode. ... Synaptics Display Devices Kk

09/10/15 / #20150253926

Semiconductor device and electronic apparatus

A semiconductor device has a touch panel controller. The touch panel controller has electrodes which are used for periodically capturing signals arising on electrodes of a touch panel having the electrodes extending x and y directions and arranged at predetermined intervals, and which are divided into groups in units of more than one electrode; and a detection circuit for each group. ... Synaptics Display Devices Kk

08/13/15 / #20150228251

Semiconductor device

The semiconductor device includes: a select circuit which selects, from output signals of tiding generators, timing signals formed by one timing generator; another select circuit which is disposed in a stage after the select circuit, and selects the tiding signals selected by the first select circuit or signals regulated in polarity, and outputs the selected signals outward; and a control register provided for variably setting the polarities of the signals regulated in polarity in units of the signals. If abnormal power supply cutoff of the semiconductor device is detected, the second select circuit is switched from the state of selecting the timing signals to the state of selecting the signals regulated in polarity in response to the detection.. ... Synaptics Display Devices Kk

08/13/15 / #20150228215

Display device, display panel driver, image processing apparatus and image processing method

A display panel driver includes: a correction calculation section which performs correction calculations on input image data to generate saturation-enhanced output image data and a drive circuitry driving the display panel in response to the output image data and a starting point control section. The correction calculation section generates red (r) data, green (g) data and blue (b) data of the output image data by performing the correction calculations on r data, g data and b data of the input image data, respectively. ... Synaptics Display Devices Kk

08/13/15 / #20150228090

Image processing apparatus, image processing method, display panel driver and display apparatus

An image processing apparatus includes a reference value calculating section configured to generate a value that is a weighted average of values of r data, g data, and b data of original rgb data as a reference value. Regarding each of color data such as the r data, the g data, and the b data, a value is calculated that is coincident with a value obtained by adding the value of the color data of the original rgb data to a product of a difference obtained by subtracting the reference value from the value of the color data of the original rgb data and a predetermined coefficient, as a value of the color data of rgb data after saturation expansion.. ... Synaptics Display Devices Kk

07/30/15 / #20150212650

Touch detecting circuit and semiconductor integrated circuit using the same

A touch detecting circuit includes a discharging circuit, a detecting circuit, and a calibration circuit that is configured with a calibration capacitor connected to a terminal and a current source which is connected to the terminal and can be controlled so as to be on and off, that can be connected via the terminal to a sensing capacitor which is disposed on a touch panel, is provided. In the beginning, the sensing capacitor is charged to a predetermined voltage by the charging circuit, thereafter, in a process of discharging, a portion of charge amount that is discharged is used to charge the calibration capacitor, and another portion is discharged via the current source, and the rest is input to the detecting circuit. ... Synaptics Display Devices Kk

07/30/15 / #20150212644

Touch detecting circuit and semiconductor integrated circuit using the same

A touch detecting circuit is allowed to adaptively operate in accordance with an interconnection length to a sensor capacitor of an object to be detected. For example, the touch detecting circuit has a configuration capable of adjusting a threshold value for determination touch and non-touch or a configuration capable of adjusting detection sensitivity of a detection circuit that is connected to the sensor capacitor. ... Synaptics Display Devices Kk

07/23/15 / #20150206331

Display device, display panel driver and driving method of display panel

A display device includes a display panel including a display region and a driver driving each pixel of the display region in response to input image data. The driver calculates area characterization data indicating feature quantities of an image displayed in each of areas defined in the display region for each of the areas, based on the input image data and generates pixel-specific characterization data associated with each pixel by applying filtering to the area characterization data associated with the area in which each pixel is located and with areas adjacent to the area in which each pixel is located. ... Synaptics Display Devices Kk

07/02/15 / #20150187295

Liquid crystal display device adapted to partial display

A liquid crystal display device includes a liquid crystal display panel; and a driver driving the liquid crystal display panel. The liquid crystal display panel includes: a first substrate on which subpixels each including a pixel electrode are integrated; and a second substrate opposed to the first substrate, a plurality of common electrodes being formed on the second substrate. ... Synaptics Display Devices Kk

07/02/15 / #20150185951

Touch detecting device and semiconductor device

A touch panel controller is provided with a calibration circuit that performs offset adjustment with respect to input signals of a plurality of detection circuits corresponding to a plurality of x electrodes of the touch panel, and a storage device that stores first parameter data that specifies an offset adjustment operation of the calibration circuit, and second parameter data for correction for the first parameter data.. . ... Synaptics Display Devices Kk

06/25/15 / #20150177885

Touch panel control circuit and semiconductor integrated circuit using the same

A touch panel control circuit includes a plurality of drive circuits which are connected to y sensor electrodes, respectively, and which apply a plurality of pulses to a corresponding y sensor electrode for every predetermined period, and a plurality of detection circuits which are connected to x sensor electrodes, respectively. Each of the detection circuits includes a switched capacitor circuit that continues sampling of a signal from each of the x sensor electrodes, to which the detection circuits are connected, not only at a timing that is in synchronization with the plurality of pulses that are applied to the y sensor electrodes, but also at a timing at which the pulses are not applied to the y sensor electrodes. ... Synaptics Display Devices Kk

06/18/15 / #20150171168

Manufacturing method for semiconductor device and semiconductor device

The manufacturing method for a semiconductor device includes a step of forming an sti insulator higher than a surface of a semiconductor layer of a semiconductor substrate, and a step of implanting impurity ions from both oblique directions which are substantially perpendicular to a direction of a channel length of an fet which is isolated from other fets by the sti and are inclined to each of one side and the other side from a normal direction of the surface of the semiconductor substrate. It is possible to adjust the impurity dose implanted into an inner side of a channel which is away from a sidewall of the sti and outer sides of channel which are formed along the vicinity of the sidewall, and to suppress the occurrence of the kink characteristics of the fet.. ... Synaptics Display Devices Kk

06/18/15 / #20150171103

Manufacturing method for semiconductor device

In a manufacturing method of sequentially forming a gate electrode film of the mosfet, forming a gate electrode film of the non-volatile memory fet, patterning the gate electrode of the non-volatile memory fet, and patterning the gate electrode of the mosfet, in order to form the mosfet and the non-volatile memory fet on the same semiconductor substrate. The value of the product of s/l and h/l is specified in a case that the line of the gate electrode of the non-volatile memory fet is set to l, the space thereof is set to s, and the height thereof is set to h so that the thickness of a resist film on the gate electrode of the non-volatile memory fet which is formed in advance is set to a thickness which is not lost by etching for forming the gate electrode of the mosfet.. ... Synaptics Display Devices Kk

06/18/15 / #20150171102

Manufacturing method for semiconductor device

A gate oxide film is formed in a region having a mosfet on a semiconductor substrate formed therein, and a first polysilicon film serving as a gate electrode of the mosfet is further formed. Thereafter, a charge storage three-layer film is formed by opening a region having a monos type fet formed therein, exposing a semiconductor surface of the semiconductor substrate, and sequentially depositing a first potential barrier film, a charge storage film, and a second potential barrier film. ... Synaptics Display Devices Kk

06/18/15 / #20150171101

Manufacturing method for semiconductor device

In a manufacturing method for a semiconductor device provided with a monos-type fet for a non-volatile memory and high-voltage and low-voltage mosfets, a groove having a predetermined depth is formed in a region in which the high-voltage mosfet on a semiconductor substrate is formed, and an oxide film serving as a gate insulating film of the high-voltage mosfet is formed within the formed groove by thermal oxidation. Thereafter, a gate electrode film of the low-voltage mosfet is formed on the entire surface of the semiconductor substrate. ... Synaptics Display Devices Kk

06/18/15 / #20150170611

Touch panel control circuit and semiconductor integrated circuit using the same

A touch panel control circuit includes a drive circuit that drives y electrodes of a touch panel, and a detection circuit that is connected to x electrodes and detects a capacitance value of an intersection capacitor. The drive circuit applies a plurality of pulses to the y electrodes in a predetermined period. ... Synaptics Display Devices Kk

06/18/15 / #20150169108

Semiconductor device and error canceling method

Embodiments herein include a device, system, and method for periodically capturing sensing signals using one or more detection electrodes to generate data for detecting an object proximate to the detection electrodes. The sensing signals are captured during detection periods within periodic detection cycles where each of the detection cycles define a period of time between consecutive detection periods. ... Synaptics Display Devices Kk

06/11/15 / #20150162323

Semiconductor integrated circuit device

In ic chips for display device driving, an operational amplifier is widely used in input and output circuits, and a capacitor in a medium withstanding voltage chip is used as a compensation capacitor. As for this product area, cost competitiveness is very important. ... Synaptics Display Devices Kk

05/07/15 / #20150124006

Display drive circuit and display device

A display drive circuit includes: source amplifiers capable of driving source lines of a display panel connected thereto; preamplifiers capable of outputting first gradation voltages; source circuits each including a division of the source amplifiers, provided that the source amplifiers are divided equally; and resistance arrays. Each source circuit is provided with one of the resistance arrays. ... Synaptics Display Devices Kk








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