Abstract: An organic light emitting diode display device is disclosed which includes: a scan switch controlled by a scan pulse on a gate line and connected between a data line and a first node; a driving switch which includes a gate electrode connected to the first node, a source electrode connected to a second node, and a drain electrode connected to a first driving voltage line; a sensing switch controlled by a sensing control signal and connected between the second node and a third node on a sensing line; and an organic light emitting diode connected between the second node and a second driving voltage line.

Abstract: The present invention discloses a pixel circuit, an organic electroluminescent display panel, a display apparatus and a driving method thereof. The pixel circuit performs initialization on a first node and a third node in an initialization phase, performs compensation on a threshold voltage of a drive module for the first node in a compensation phase, and performs data writing on the first node in a data writing phase.

Abstract: A display device is provided that includes a plurality of pixel circuits that are arranged in a matrix and supplied with power through a first power supply line maintained at a first voltage and a second power supply line maintained at a second voltage having a positive value less than the first voltage. The display device also includes a first power supply circuit of a synchronous rectification type that outputs the first voltage to the first power supply line by chopping an input voltage. The display device further includes a second power supply circuit of the synchronous rectification type that outputs the second voltage to the second power supply line by chopping the first voltage.

Abstract: The present disclosure provide a pixel driving circuit, a pixel driving method for the same, and a display apparatus. A voltage related to a threshold voltage of a driving unit is stored in a storage unit by a charge controlling unit at a compensating phase for the pixel driving circuit, such that the driving unit can be compensated by the storage unit at a driving phase for the pixel driving circuit. Thus, an influence of the threshold voltage of the driving unit on an operating current of the driving unit can be eliminated, and the problem of uneven brightness of light emitting elements resulted from the threshold voltages being different can be solved, thereby improving a display quality of the display apparatus.

Abstract: An electro-optical device includes a scanning line, a data line intersecting with each other, a pixel circuit which is provided corresponding to the intersection thereof, and a wire. The pixel circuit includes a light emitting element, one transistor which controls a current flowing to the light emitting element, and the other transistor of which conduction state is controlled according to a scanning signal which is supplied to the scanning line between a gate node of the one transistor and the data line. The wire is provided between the data line and the one transistor.

Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a display panel including a plurality of pixels, each of the pixels including an OLED and a driving transistor, the OLED configured to emit light based on an emission current, the driving transistor configured to control the emission current based on a data signal applied to a gate electrode of the driving transistor. The display also includes a power supply configured to apply a driving voltage to the pixels, apply an initialization voltage to a first electrode of the OLED, control the driving voltage within a first range, and control the initialization voltage such that a voltage difference between the driving voltage and the initialization voltage is substantially constant.

Abstract: Sub-pixel compensation is described. In at least some implementations, a computing device includes a plurality of sub-pixels within a pixel which may generate an alternating display to approximate the display of a single sub-pixel. In other implementations, a voltage is applied to sub-pixels of a color such that a voltage across a first sub-pixel is proportional to a voltage across one or more additional sub-pixels. In other implementations, a change in a voltage drop across a sub-pixel is detected, and the change is compensated for by altering a voltage of a second sub-pixel within the pixel.

Abstract: Disclosed is a method of driving a display device that includes, for example, generating a gate control signal, a data control signal and an image data using an image signal; generating a data voltage using the data control signal and the image data; generating a gate voltage using the gate control signal; and sequentially applying the gate voltage of a high level to q groups of the plurality of gate lines during q frames, respectively, where q is an integer greater than 1.

Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a display substrate including a display area and a peripheral area surrounding the display area. Scan lines are formed over the display substrate and configured to transmit a scan signal, data lines and driving voltage lines crossing the scan lines are configured to respectively provide a data signal and a driving voltage, and switching elements are electrically connected to the scan lines and data lines. Pixel electrodes are electrically connected to the switching elements, an organic emission layer is formed over the pixel electrodes, and a common electrode is formed over the organic emission layer. A common voltage line is formed substantially parallel to the data lines and configured to transmit a common voltage to the common electrode.

Abstract: A gate drive integrated circuit includes: clock terminals; a bidirectional buffer that is located between the clock terminals and controls the input-output direction of a clock signal; a connection mode control terminal that receives a connection mode control signal; and a pair of signal direction control terminals that receive a signal direction control signal, wherein the bidirectional buffer fixes the input-output direction of the clock signal to one direction in the case where the logic state of the connection mode control signal is a first logic state, and switches the input-output direction of the clock signal depending on the logic state of the signal direction control signal in the case where the logic state of the connection mode control signal is a second logic state different from the first logic state.

Abstract: Disclosed herein is a light emitting period setting method for a display panel wherein the peak luminance level is varied through control of a total light emitting period length which is the sum total of period lengths of light emitting periods arranged in a one-field period, including a step of setting period lengths of N light emitting periods, which are arranged in a one-field period, in response to the total light emitting period length such that the period lengths of the light emitting periods continue to keep a fixed ratio thereamong, N being equal to or higher than 3.

Abstract: An acousto-optic element array includes: acousto-optic elements each including an acousto-optic generator, a light supply, and a wave transducer; a gate driver that selects an acousto-optic element to be driven from among the acousto-optic elements; an electrical data driver that is connected to an electrical wire and transmits electrical data to an electro-optic modulator configured to control the acousto-optic generator of the selected acousto-optic element; and a wave data driver that is connected to a waveguide and transmits wave data to the wave transducer of the selected acousto-optic element.

Abstract: The present invention provides an OLED gate driving circuit structure, comprising an OLED panel, a gate charge/discharge driving circuit, a logic process unit and a source driving circuit; the gate charge/discharge driving circuit is located at one side of the OLED panel, and the gate charge/discharge driving circuit comprises a plurality of output ends, and each output end is electrically coupled to the logic process unit with one signal line; the logic process unit is located inside the OLED panel, and the logic process unit receives a scan signal transmitted by the gate charge/discharge driving circuit through the signal line, and converts the scan signal into a discharge scan signal and a charge scan signal to be provided to the OLED panel; the source driving circuit is coupled to the OLED panel, and provides a data signal to the OLED panel, and only one gate driving integrated circuit is utilized in the structure for achieving the charge and discharge procedures of the gate driving circuit to save the ha

Abstract: This application sets forth a circuit configuration for a light emitting diode (LED) or organic light emitting diode (OLED) display. The circuit configuration allows for the pulse-width modulation (PWM) of each emission signal sent to each line of the display. The PWM of each emission signal is accomplished using a gate-in-panel (GIP) controller of the display. The GIP controller uses an arrangement of shift register outputs and a programmable clock input to control an output of an inverter that provides the emission signal. The programmable clock input can be programmed according to a desired timing or duty cycle for the emission signal. In this way, by limiting the duty cycle of the emission signal, dimming and other display features can be exhibited by the LED or OLED display.

Abstract: A gray-scale voltage generating circuit includes a ladder resistor circuit and a constant current source. The ladder resistor circuit includes a plurality of resistors connected in series to one another, and is configured to output a plurality of gray-scale voltages with different voltage values from ends of the respective resistors. The constant current source is configured to be connected in series to the ladder resistor circuit.

Abstract: An apparatus comprising a circuit configured to control anode voltages of one or more adjacent pixel rows, which are adjacent to an Nth pixel row, to achieve minimal voltage differences between said Nth pixel row and said adjacent pixel rows to suppress luminance drops in an OLED display by minimizing leakage currents being introduced from adjacent pixel rows.

Abstract: Techniques are disclosed for lighting displays such as those associated with electrophoretic display (EPD) devices such as e-readers or any other display technologies or applications. In an embodiment, an EPD device is provided with a number of internal LEDs or other suitable light source generally disposed along at least a portion of the display perimeter. The light can be activated in situations where the available ambient light is inadequate for viewing the display. Light from the light source is distributed across the display, and in some embodiments can be adjusted to provide a desired degree of brightness. The light can be turned on or off via an existing single press-button or otherwise tactile, physical user interface that serves multiple functions. This user interface can be readily found and engaged by the user without the benefit of sight.

Abstract: A display device includes a display which is configured to display an image; a backlight which is turned on in the rear face of the display; a storage unit which is configured to store luminance characteristics at the center of the display; an optical sensor which is configured to measure luminance in the periphery of the display; and a signal processing unit which is configured to correct the measured value measured with the optical sensor in the periphery of the display based on luminance characteristics stored in the storage unit, thus controlling the luminance of the display based on the corrected measured value.

Abstract: A liquid crystal display device and a driving method thereof are disclosed. The method for driving the liquid crystal display device comprises the following steps: converting three primary color gray-scale data of a frame image to be displayed into multiple color gray-scale data; and driving different sub pixels according to the overdrive gray-scale values that are obtained through inquiring the overdrive table based on the multiple color gray-scale data of the frame image to be displayed according to a certain time sequence in two color fields. According to the method, the color shift phenomena of the traditional liquid crystal display device can be alleviated effectively.

Abstract: An apparatus for controlling liquid crystal display brightness includes: a subarea image grayscale determining section configured to determine image grayscale values of subarea image data blocks corresponding to backlight subareas according to a received image signal; a subarea backlight value pre-obtaining section configured to pre-obtain subarea backlight values corresponding to the subarea image data blocks according to the image grayscale values of the subarea image data blocks; a subarea backlight value gain section configured to multiply the pre-obtained subarea backlight values with a preset backlight value gain coefficient to obtain gained backlight values of the backlight subareas, wherein the preset backlight value gain coefficient is more than 1; and a subarea backlight value outputting section configured to output the respective gained subarea backlight values to driver circuits of backlight sources in the corresponding backlight subareas to control the brightness of the backlight sources in the c

Abstract: A variable transmission medium comprises a fluid and a plurality of nanoparticles dispersed in the fluid, wherein addition of acid to the fluid causes the nanoparticles to flocculate and form aggregates of particles that scatter light. The nanoparticles may comprise at least one metal oxide, such as titanium dioxide, zinc oxide or zirconium dioxide. The fluid may have a dielectric constant less than about 10.

Abstract: An electrowetting display device may comprise pixels that include: a hydrophobic layer portion disposed on a first electrode, electrowetting fluids overlying the hydrophobic layer portion, and a thin film transistor (TFT) that is in electrical contact with the first electrode. The electrowetting display device also comprises a display control circuit in electrical contact with a drain or a source of the TFT of each of the pixels to provide a drive voltage to the drain or the source of the TFT of each of the pixels, and a reset control circuit in electrical contact with the drain or the source of the TFT of each of the pixels to provide a reset voltage pulse to the drain or the source of the TFT of each of the pixels. A magnitude of the reset voltage pulse may be based, at least in part, on the drive voltage.

Abstract: A color display device for displaying an n-primary color image, wherein n is greater than three, the device including an array of sub-pixel (801) configured to have at least one repeating unit having one sub-pixel representing each of the n primary colors, wherein repeating unit (906) is configured to optimize at least one attribute of the n-primary color image.

Abstract: Systems, apparatuses, and methods for driving a split display with multiple display pipelines. Frames for driving a display are logically divided into portions, a first display pipeline drives a first portion of the display, and a second display pipeline drives a second portion of the display. Each display pipeline generates dither noise for each frame in its entirety but only utilizes dither noise for the portion of the frame which is being driven to its respective portion of the display. This approach prevents visual artifacts from appearing at the dividing line between the first and second portions of the display.

Abstract: The application provides a display component and an electronic device using the display component. The display component comprises: a light source unit configured to emit source light; a polarization unit configured to at least partially convert the source light into a first polarized light with a first polarization direction; a first reflecting unit configured to at least partially convert the first polarized light into a first reflected light on a first reflective surface; and a display unit configured to receive the first reflected light and adjust the first reflected light to become initial light by adding information of an image to be displayed into the first reflected light.

Abstract: The present invention provides a liquid crystal display, comprising a first circuit board and a second circuit board and a source driving circuit which are electrically coupled to the first circuit board, wherein the first circuit board comprises a sequence controller, and the sequence controller provides a control signal and codes the control signal, and transmits the coded control signal from the first circuit board to the source driving circuit through the second circuit board, and the sequence controller directly outputs the uncoded control signal through the first circuit board to ensure a phase delay relationship between the uncoded control signal and a control signal outputted by the source driving circuit. The present invention further provides a control signal debugging method applied with the aforesaid liquid crystal display.

Abstract: When a SLEEPIN Command is inputted to the liquid crystal display device, the liquid crystal display device controls a source driver and a gate driver to generate an alternating current voltage and apply the generated alternating current voltage to a liquid crystal layer, in order to eliminate charge storage due to impurity ions distributed unevenly due to a polarity bias caused by a voltage applied to the liquid crystal layer until a point of time when the Command is inputted. In this manner, the liquid crystal display device shifts to a sleep period in a state where the charge storage due to the unevenly distributed impurity ions is eliminated. Therefore, when the liquid crystal display device resumes from the sleep period, generation of an afterimage due to burn-in of liquid crystal and generation of a flicker due to deviation of an optimum common voltage do not occur.

Abstract: A liquid crystal display device whose power consumption is reduced while image quality is prevented from being degraded is provided. Further, a method for driving a liquid crystal display device whose power consumption is reduced while image quality is prevented from being degraded is provided. The liquid crystal display device includes a transistor whose leakage current in an off state is reduced and a liquid crystal element. The capacitance of a pixel satisfies the formula (1) and the formula (2).

Abstract: A display panel, a manufacturing method thereof and a display device are provided. A dustproof construction is provided at a peripheral region of the display panel, and the dustproof construction is located on the outer side of the display region on the display panel, and on the inner side of an outer edge of a sealant applying region. The dustproof construction includes a first electrode, a second electrode and an insulating layer interposed between the first electrode and the second electrode; wherein, slits are arranged in the second electrode. With the display panel and manufacturing method thereof and the display device, impurity ions from outside or in the sealant can be prevented from entering the display region, so that the peripheral badness of the display is improved.

Abstract: A driving unit of display panel includes a data driving part, a timing controlling part and a gate driving part. The data driving part is configured to receive reference image data and includes a first data driving circuit part having a first channel outputting a first reference data signal based on the reference image data and a k-th channel outputting a k-th reference data signal based on the reference image data. The timing controlling part is configured to detect a time difference between the first reference data signal and the k-th reference data signal. The gate driving part is configured to output a gate signal to each of gate lines. By delaying data signals based on the gate signal delay caused by long line load and RC delay, the present invention may improve display quality of a display device.

Abstract: Provided is a method of controlling a display driver IC. The method includes controlling an application processor to operate in a frequency range, which is changed from an operating frequency range of a preset specification and is a range in which data noise is decreased, through a plurality of frequency noise filtering operations.

Abstract: A display device and a driving board are provided. The display device includes a buffer configured to generate a applied voltage corresponding to a driving control signal; a liquid crystal display (LCD) panel configured to change a liquid crystal transmittance thereof in accordance with the applied voltage; a switcher configured to selectively provide an intermediate voltage of a predetermined level, which makes the LCD panel transmit no light, to the LCD panel; and a driving controller configured to control the switcher to block power from being supplied to the buffer and to provide the intermediate voltage to the LCD panel in response to a predetermined event occurring.

Abstract: A display apparatus includes a first substrate and a second substrate. The first substrate includes a switching element and a pixel electrode electrically connected to the switching element. A display panel driver applies a driving signal to the display panel. The display panel driver includes a printed circuit board including a first bonding pad and a flexible substrate electrically connecting the printed circuit board with the display panel. The flexible substrate includes a second bonding pad. The second bonding pad is electrically connected to the first bonding pad of the printed circuit board. The first bonding pad overlaps the second bonding pad. At least a portion of the first bonding pad and at least a portion of the second bonding pad extend in a direction which is at an acute angle with respect to a first direction parallel with a relatively longer side of the display panel.

Abstract: The present invention discloses a bending action recognition device and a flexible display device, the bending action recognition device comprises: a first electrode, a second electrode, a current detecting unit and a plurality of electrical conductors, a first voltage is applied on the first electrode, a second voltage is applied on the second electrode, first ends of all the electrical conductors are connected to the first electrode, different electrical conductors are located at different positions on the flexible substrate, and different electrical conductors have different resistances; when the flexible substrate is bent backward, at least one electrical conductor is electrically connected to the second electrode, and a first current is generated on the first electrode and the second electrode, and when different electrical conductors are electrically connected to the second electrode, the first current has different current values.

Abstract: A method for driving a display panel includes at least two driving operations. The first driving operation includes driving a first display area of the display panel by outputting a data signal of a first frame to the first display area and driving a gate line of a first gate line group in the first display area. The second driving operation includes driving a second display area of the display panel by outputting a data signal of a second frame to the second display area and driving a gate line of a second gate line group in the second display area. The first display area is adjacent to the second display area, and the first frame is different from the second frame.

Abstract: An object of the present invention is to prevent occurrence of abnormality such as display misalignment at the time of image update even when pause drive is performed in a display device where data signal lines are driven by a plurality of driver ICs. In a liquid crystal display device which includes a master IC (300L) and a slave IC (300R) as driver ICs and performs pause drive, upon detection of refresh start timing by a REF (Half) of the master IC (300L), the master IC (300L) transmits a refresh control signal RfC to the slave IC (300R), and starts refreshing a left active area of a display portion. Upon receipt of a refresh detection signal RfD indicating refresh start timing detected by a REF (Half) of the slave IC (300R), the master IC (300L) transmits the refresh control signal RfC to the slave IC (300R), and starts refreshing the left active area of the display portion. Upon receipt of the refresh control signal RfC, the slave IC (300R) starts refreshing a right active area of the display portion.

Abstract: Disclosed herein is a display device, including: a display surface; a display functional layer adapted to control the display of a screen viewed from outside the display surface; a drive control section operable to perform display scanning and driving adapted to scan and drive, in the one direction, the plurality of drive electrodes, and also operable to perform, a plurality of times and for M display screens, detection scanning and driving adapted to continuously scan and drive all or part of the plurality of drive electrodes within the period of time; and a plurality of sensor lines arranged in a direction other than the one direction to be separate from each other, which produce an electrical change if an object to be detected comes in contact with or proximity to the display surface while the drive control section performs the detection scanning and driving.

Abstract: Provided is an active matrix substrate that includes a gate line group, a source line group, a pixel electrode arranged in a display area, and a gate line driving circuit (11) formed in the display area. The gate line driving circuit (11) includes an accumulation line that accumulates a voltage for controlling the voltage level of the gate line; an output unit (U1) that controls the voltage level of the gate line according to the voltage of the accumulation line; an accumulated voltage supply unit (U2) that varies the voltage of the accumulation line according to a signal input from another gate line; and accumulated voltage adjustment units (U3) that change the voltage of the accumulation line to a predetermined level according to the control signal.

Abstract: A GOA circuit and a liquid crystal device (LCD) are disclosed. The GOA circuit includes a plurality of GOA units and a control module. Each of the cascaded GOA units is configured for charging corresponding horizontal scanning lines within a display area when being driven by a first level clock, a second level clock, a first control clock, and a second control clock. After the horizontal scanning lines are fully charged by the GOA circuit, the control module is configured for resetting the gate driving signals to be at the first level, i.e., the invalid level, via the turn-on pulse signals and the negative-voltage constant-voltage source.

Abstract: It is provided an array substrate and a method for driving the array substrate, and a liquid crystal display panel. The array substrate includes: a plurality of sub-pixels formed on a substrate in a matrix form; a plurality of data lines each configured to provide a signal to one column of sub-pixels of the plurality of sub-pixels; and a plurality of gate lines each configured to provide a gate line signal to one row of sub-pixels of the plurality of sub-pixels, wherein each of the plurality of sub-pixels includes at least two sub-pixel electrodes, and each of the at least two sub-pixel electrodes receives a data signal from the same one of the plurality of data lines via a corresponding switching element.

Abstract: The present invention relates to a driving circuit of a display panel. A plurality of driving units produce a reference driving voltage according to a gamma voltage of a gamma circuit, respectively. A plurality of digital-to-analog converting circuits receive the reference driving voltages output by the plurality of driving units, and select one of the plurality of reference driving voltage as a data driving voltage according to pixel data, respectively. The plurality of digital-to-analog converting circuits transmit the plurality of data driving voltages to the display panel for displaying images. A voltage boost circuit is used for producing a first supply voltage and providing the first supply voltage to the plurality of digital-to-analog converting circuits. At least a voltage boost unit is used for producing a second supply voltage and providing the second supply voltage to the plurality of driving units.

Abstract: A display panel driving apparatus includes a control circuit, a data driver and a gate driver. The control circuit is configured to receive a first control signal for recovering a clock signal from a display signal including image data and the clock signal, and calculate a root mean square of the first control signal to output a second control signal. The data driver is configured to receive the display signal, receive the second control signal, recover the clock signal from the display signal according to the second control signal, and output a data signal based on the image data to a data line of a display panel. The gate driving part is configured to output a gate signal to a gate line of the display panel.

Abstract: A method for regulating a common voltage, a regulating device and a display device. It relates to the display field, which ensures the flicker in the center region of the display panel being relative small meanwhile improving the flicker situation of the edge region of the display panel, thereby improve the flicker uniformity of the display panel. The present disclosure provides a method for regulating a common voltage including: arranging sampling points which at least include: sampling points arranged in the center region of the display panel and sampling points arranged in the edge region of the display panel; optimizing the common voltage value written into the driving chip, such that the flicker values of the sampling points located in the display panel are less than or equal to a first threshold when the common voltage value is applied to the display panel for display.

Abstract: The present application provides a shift register and a driving method thereof, a gate driving circuit and a display device. The shift register includes: an input module for introducing a signal of an output terminal of a previous level shift register to the pull-up node; an output module for introducing a signal of the first clock signal terminal to the output terminal; a reset module for resetting the pull-up node, the output terminal, the first pull-down node, and the second pull-down node using signals of the OFF signal terminal, the first signal terminal, and the second signal terminal; a voltage setting module for introducing a signal of the OFF signal terminal to the first pull-down node and the second pull-down node; and a holding module for introducing signals of the first signal terminal and the second signal terminal to the first pull-down node and the second pull-down node, respectively.

Abstract: Certain embodiments herein may include systems and methods for facilitating communication between mobile devices and display devices. According to certain embodiments, various types of connections may be established for communication between mobile devices and display devices. The type of connection may be based on numerous factors, including networks accessible to the mobile devices and display devices, capabilities of the mobile devices and display devices, and requirements associated with a software application running on a display device or on a device associated with the display device. Example connection types may involve a server intermediary which may establish a communication connection and proxy or relay content between mobile devices and display devices. Other connection types may not involve a server intermediary, for example, when a mobile device interacts with a display device to control a real-time game application.

Abstract: Methods and devices employing circuitry for dynamically adjusting bandwidth control of a display interface are provided. The display interface or image content is dynamically adjusted to support both high-speed image data (e.g., 120 Hz image data) and lower-speed content (e.g., 60 Hz content). For example, in some embodiments, additional pixel pipelines and/or processing lanes may be activated during the rendering of high-speed image data, but not during the rendering of low-speed image data. Additionally or alternatively, high-speed image data, but not low-speed data, may be compressed to render high-speed content over an interface that supports only low-speed content.

Abstract: An extraction unit determines whether, in a display area of a display unit in which content data obtained from an acquisition unit are displayed, there is a character area in which an area occupied by a character has a proportion greater than a predetermined value. Based on color information of the character in an area which is determined to be the character area by the extraction unit, a setting unit sets a target color temperature when the content data is displayed. A converter changes an original color temperature of the content data to the target color temperature, based on the target color temperature set by the setting unit.

Abstract: A display apparatus including: a display configured to display an image; and at least one processor configured to, in response to beginning a viewer fatigue reduction function, determine whether a change characteristic of an image displayed on the display during a first time interval of an image signal corresponds to a suitable section for the viewer fatigue reduction function, and control the display to decrease a viewing fatigue level of the displayed image during the determined suitable section.

Abstract: An electronic device including a user interface having a display for displaying a standby screen when the device is in an idle state and a user input device, wherein the user interface provides a menu system, for re-configuring the standby screen, that is navigated using the user input device.

Abstract: A flexible display device that includes a display unit to display content information on a screen, wherein the screen can be expandable or reducible; a sensing unit to detect a size of the screen; and a control unit to display at least one of a first indicator for indicating a degree to which the screen of the display unit is expandable and a second indicator for indicating an amount of remaining content information.