Abstract: A method of driving a display device, which includes a plurality of segments, each including a plurality of pixels, includes comparing grayscales of first image data of a first frame with respect to a segment among the plurality of segments and grayscales of a second image data of a second frame after the first frame with respect to the segment, modulating the second image data to generate first modulated data when the grayscales of the first image data are equal to the grayscales of the second image data, and providing data voltages to the segment based on the first modulated data.

Abstract: A source driver, including a plurality of channel circuits, each of the plurality of channel circuits including a first digital-to-analog converter (DAC), a second DAC, a first switch, a second switch and an output buffer circuit, is provided. The output terminal of the output buffer circuit is configured to be coupled to a data line of a display panel. An output terminal of the first DAC is coupled to a first input terminal among the input terminals of the output buffer circuit. An output terminal of the second DAC is coupled to a second input terminal among the input terminals of the output buffer circuit. The first switch is disposed along a first signal path between the output terminal of the first DAC and the output terminal of the output buffer circuit. The second switch is disposed along a second signal path between the output terminal of the second DAC and the output terminal of the output buffer circuit.

Abstract: A display device includes a display panel including a gate line, a data line, and a pixel at a crossing region of the gate line and the data line, a timing controller configured to generate a gate driving control signal, a data driving control signal, and a power control signal based on a display period corresponding to a time interval of frames, a gate driver configured to provide a gate signal to the pixel through the gate line based on the gate driving control signal, a data driver configured to provide a data signal to the pixel through the data line based on the data driving control signal, and a power supply configured to generate a power voltage to drive the pixel, and configured to adjust the power voltage based on the power control signal during the display period.

Abstract: A method of driving a display panel includes: driving a plurality of sub-pixels of a plurality of sub-pixel groups to display in a plurality of frames. In each of the sub-pixel groups in each frame, a number of the sub-pixels with high gray-scale data compensation status and the positive polarity is equal to a number of the sub-pixels with the high gray-scale data compensation status and the negative polarity, a ratio of a number of the sub-pixels with the high gray-scale data compensation status to a number of the sub-pixels with low gray-scale data compensation status is 1:m, where m is an integer greater than 1.

Abstract: A contrast enhancement device included in a display device includes an analysis circuit which receives input image data as input data in a normal mode, receives input test data as the input data in a diagnosis mode, and determines a contrast enhancement coefficient by analyzing the input data, a process circuit which generates output data by performing a contrast enhancement process on the input data based on the contrast enhancement coefficient, where the output data in the normal mode is output image data corresponding to the input image data, and the output data in the diagnosis mode is output test data corresponding to the input test data, and a diagnosis circuit which outputs the output image data in the normal mode, and generates diagnosis result data for the contrast enhancement device by comparing the output test data with reference test data in the diagnosis mode.

Abstract: A color temperature calibration method includes: making a display screen display a test image at a target color temperature; measuring a chromaticity of a target pixel in the display screen to obtain measured color coordinates of the target pixel; comparing the measured color coordinates with standard color coordinates; if differences between the measured color coordinates and the standard color coordinates are greater than a target threshold, adjusting at least one of pixel values of the target pixel, until differences between re-obtained measured color coordinates and the standard color coordinates are not greater than the target threshold; and if differences between the measured color coordinates and the standard color coordinates are not greater than the target threshold, ending the color temperature calibration.

Abstract: A compensation system includes a processor configured to determine compensated data for display on a sub-pixel of the display device. The processor may receive image data configured to be displayed on the sub-pixel, convert the gray level data to first voltage data; fetch, from a memory, compressed 1×1 sub-pixel uniformity compensation data for the sub-pixel, and decompress the compressed 1×1 sub-pixel uniformity compensation data via a decompressor. The decompressed data comprises the 1×1 sub-pixel uniformity compensation data for the sub-pixel. The processor may also determine a voltage compensation offset value associated with the sub-pixel based on the second voltage data, generate compensated voltage data based in part on the voltage compensation offset value and the first voltage data, convert the compensated voltage data to compensated gray level data; and transmit the compensated gray level data to pixel driving circuitry associated with the sub-pixel.

Abstract: A display device includes a timing controller and a grayscale unit electrically connected to the timing controller. The timing controller may generate first data for a pixel for a previous frame and first data for the pixel for a current frame. The grayscale unit may output a black-corresponding grayscale as second data for the pixel when a predetermined condition is satisfied. The black-corresponding grayscale corresponds to black. The predetermined condition may include that the first data for the pixel for the previous frame is in a predetermined second gray scale range and that the first data for the pixel for the current frame is in a predetermined first grayscale range. The predetermined first grayscale range may be between the predetermined second grayscale range and the black-corresponding grayscale.

Abstract: A display device includes a first liquid crystal panel, a second liquid crystal panel disposed on a back face side of the first liquid crystal panel, a position compensation unit that compensates for a display position of an image on the second liquid crystal panel based on position compensation information indicating a relative positional relationship between the first liquid crystal panel and the second liquid crystal panel, and an area expansion unit that expands a displayable area of the image before the display position is compensated for or a displayable area of the image after the display position is compensated for by the position compensation unit.

Abstract: A pixel is divided into a first subpixel and a second subpixel. A first data signal is input to a first drive unit that drives a first light-emitting element constituting the first subpixel, and a second data signal is input to a second drive unit that drives a second light-emitting element constituting the second subpixel. A gray scale value of the first data signal is smaller than a gray scale value of the second data signal.

Abstract: The present disclosure relates to a display panel and an electronic device. The display panel includes a driving array; first light-emitting deices electrically connected with the driving array; and second light-emitting devices located between at least two of the first light-emitting devices and electrically connected with the driving array. In a case where the first light-emitting devices are in a working state and the second light-emitting devices are in a first state, the display panel is in a first mode; and in a case where the first light-emitting devices are in a working state and the second light-emitting devices are in a second state, the display panel is in a second mode, wherein a visual angle of the display panel in the first mode is greater than 0 and smaller than a visual angle of the display panel in the second mode.

Abstract: A method for improving image display quality, including: dividing a total gray scale range of a gamma voltage curve of a display apparatus to obtain gray scale ranges; obtaining data of gray scales of frame(s) of image to be displayed by the display apparatus, and calculating a ratio of data of gray scales in each gray scale range; adjusting a division value of a gamma voltage range corresponding to each gray scale range of the gamma voltage curve according to calculated ratios, so that a division value of a gamma voltage range corresponding to a gray scale range with a maximum ratio is less than a division value of a gamma voltage range corresponding to any remaining gray scale range; and outputting gamma voltages corresponding to the data of gray scales of the frame(s) of image to be displayed according to the adjusted gamma voltage curve.

Abstract: Disclosed is an electronic device, which includes a display panel, a data driving circuit, a scan driving circuit, a signal control circuit, and a power supply circuit that trims a first voltage and a second voltage based on a first control value generated based on the first voltage and the second voltage, and the power supply circuit includes a controller that generates the first control value, a sign determining circuit that determines a sign of the first control value based on the first voltage and the second voltage, a plurality of voltage generators that generate a trimming voltage of the first control value based on the first voltage and the second voltage, and a first memory that stores the first control value, and the first control value is a value for controlling the sign determining circuit and each of the plurality of voltage generators.

Abstract: A flexible display device includes: a flexible display panel including a plurality of pixels, a power supply line coupled to the plurality of pixels, and at least one measuring line; a power management circuit, which supplies a power supply voltage to the plurality of pixels through the power supply line; and a display driver, which drives the flexible display panel. The display driver senses a resistance of the at least one measuring line, and detects at least one of a deformation position and a deformation amount of the flexible display panel based on the sensed resistance.

Abstract: A display apparatus with low-power consumption is provided. The display apparatus includes an inverter circuit and a pixel having a function of adding data, and the inverter circuit has a function of inverting data supplied from a source driver. The inverter circuit has a function of inverting data supplied from a source driver. The pixel has a function of adding data supplied from the source driver and the inverter circuit. Accordingly, the pixel can generate a voltage several times higher than the output voltage of the source driver and can supply the voltage to a display device. With such a structure, the output voltage of the source driver can be lowered, so that a display apparatus with low power consumption can be achieved.

Abstract: The present disclosure relates to a gamma voltage generating circuit and a display device including the same. The gamma voltage generating circuit may include: a first output terminal to output a first gamma voltage set as a black grayscale voltage; a second output terminal to output a second gamma voltage set as a higher grayscale voltage than the black grayscale voltage; a third output terminal to output a third gamma voltage set as a highest grayscale voltage of the first pixel area; and a fourth output terminal to output a fourth gamma voltage set as a highest grayscale voltage of the second pixel area.

Abstract: The present application relates to a virtual reality display device and a control method thereof. The method comprises: acquiring time required for three-dimensional scene rendering when three-dimensional scene rendering is performed on a frame of image to be displayed (S11); and selecting a mode of local backlight dimming according to the time required for three-dimensional scene rendering and a predetermined screen refresh rate, wherein the greater the time required for three-dimensional scene rendering, the less the time required for the selected mode of the local backlight dimming (S12).

Abstract: An electronic device may include an electronic display having multiple display pixels to display an image based on analog voltage signals. The electronic device may also include optical calibration circuitry to generate digital-to-analog converter (DAC) data based on image data associated with the image and dither circuitry to reduce a bit-depth of the DAC data, generating dithered DAC data. Additionally, the electronic device may include a gamma generator having one or more DACs to generate the analog voltage signals based on the dithered DAC data, which may instruct the gamma generator to generate the analog voltage signals indicative of the image data.

Abstract: A foldable display device may include: a display panel including a first active area, a second active area, and a foldable area between the first active area and the second active area for folding and unfolding the display panel; and a camera in the second active area or overlapping with the second active area. The first active area may be configured to display a test pattern, and the camera may be configured to capture the test pattern to output captured data for compensating a data voltage applied to at least one of the first active area and the second active area of the display panel for displaying an image.

Abstract: The present invention provides a display device driving method, a display device. The method achieves dynamic adjustment of a brightness of light emission of backlight units according to display contents corresponding to the display units. Also, conversion of a bit width of a drive voltage value is implemented based on a drive voltage conversion relationship table between first bit width drive voltage values and second bit width drive voltage values of the brightness values, which improves the driving effect of the backlight module.

Abstract: A controller to drive a display includes a voltage code generator and a voltage code compensator. The voltage code generator is configured to generate a first voltage code to drive pixels in the display based on input image data. The voltage code compensator is to generate a second voltage code to drive the pixels by compensating zero-grayscale codes of the first voltage code based on the zero-grayscale codes of the first voltage code, one-grayscale codes of the first voltage code, and the input image data.

Abstract: A unified color control method for a multi-color light, including the following control steps: S1: setting unified color control system and color implementation system for different light sources; S2: inputting a target color parameter, and calculating a target color chromaticity coordinate (xt,yt) by the color control system according to the target color parameter: S3: calculating a primary-color duty ratio Di of corrected colors by the color implementation system using a linear programming equation according to the target color chromaticity coordinate (xt,yt), and a chromaticity coordinate value (xi,yi) and a maximum brightness value Yi of each primary color for each light source under a maximum duty ratio, in which i represents an i-th primary color; and S4: updating colors by the light sources according to the primary-color duty ratio Di of corrected colors in step S3.

Abstract: According to one embodiment, a display system includes an external light sensor, a display panel, a viewing angle control panel including a liquid crystal layer containing liquid crystal molecules twist-aligned, configured such that a drive voltage applied to the liquid crystal layer is controlled based on an external light intensity detected by the external light sensor, and a polarization axis rotation element disposed between the viewing angle control panel and the display panel. The drive voltage when the external light intensity is less than a threshold value is greater than the drive voltage when the external light intensity is greater or equal to than the threshold value.

Abstract: This application discloses a display panel, a driving method for a display panel, and a display apparatus. The display panel includes a plurality of pixel groups. Each of the pixel groups includes a first pixel element and a second pixel element that are arranged in a first direction; the first pixel element and the second pixel element respectively include the same quantity of pixels of different colors arranged along a second direction; and the first direction is perpendicular to the second direction. In a same frame, a polarity of a driving signal corresponding to a pixel of a color in the first pixel element is opposite to a polarity of a driving signal corresponding a pixel of the color in the second pixel element.

Abstract: The present disclosure relates to an LED driving technology. According to the present disclosure, it is possible to increase the fineness of the gray scale without increasing a frequency of a clock by combining a plurality of driving current sources to generate a driving current supplied to one driving line.

Abstract: A display device includes: a timing controlling part generating an image data, a data control signal and a gate control signal; a data driving part generating a data voltage using the image data and the data control signal; a gamma part transmitting the data voltage corresponding to the image data; a gate driving part generating a gate voltage using the gate control signal; a display panel including subpixels, gate lines, left data lines at a left side of the subpixels and right data lines at a right side of the subpixels; and first MUX switches, second MUX switches, third MUX switches, fourth MUX switches, fifth MUX switches and sixth MUX switches sequentially transmitting the data voltage to the left data lines and the right data lines.

Abstract: A hologram display device includes a light source unit that generates light, a spatial light modulation panel that spatially modulates light received from the light source unit and generates diffracted light, and an optical unit that generates a holographic image using the diffracted light. The spatial light modulation panel includes first color filters, second color filters, and third color filters. The number of the second color filters is greater than the number of each of the first and third color filters. During a turned-on state of the spatial light modulation panel, a shortened distance in a predetermined direction between second color images displayed through the second color filters is substantially equal to a distance in the predetermined direction between first color images displayed through the first color filters and a distance in the predetermined direction between third color images displayed through the third color filters.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for displaying an image on a flat panel display with an array of pixels. A method includes receiving image data including a grayscale value for each pixel; determining a grayscale delta for each pixel where the grayscale delta is a variation between the grayscale value for a given pixel addressable by a first scan line and the grayscale value for another pixel addressable by a scan line addressed prior to the first scan line; determining an aggregated grayscale delta for the first scan line; comparing a magnitude of the aggregated grayscale delta to a threshold value corresponding to a data signal that results in line crosstalk; modifying the image data when the magnitude of the aggregated grayscale delta equals or exceeds the threshold value, and displaying the image on the flat panel display using the modified image data.

Abstract: A display device includes a display panel, a memory, a dithering processor, and a panel driver. The display panel includes a display surface, and the memory stores dither patterns with respect to at least one spot area included in the display surface. The dithering processor selects a dither pattern among the dither patterns in a predetermined time unit and outputs a compensation image signal corresponding to the dither pattern. The panel driver outputs a data signal corresponding to the spot area based on the compensation image signal. Each of the dither patterns includes a first grayscale area having a first grayscale value higher than a first target grayscale value of the spot area and a second grayscale area having a second grayscale value lower than the first target grayscale value.

Abstract: A display device includes a display panel including first data lines, second data lines, gate lines, and a plurality of pixels, a voltage generator which generates a first driving voltage and a second driving voltage, and a source driver which generates a first data voltage having a first polarity based on the first driving voltage and a second data voltage having a second polarity based on the second driving voltage. The source driver includes a first source driver coupled to the first data lines and a second source driver coupled to the second data lines. The voltage generator alternately provides the first driving voltage and the second driving voltage to each of the first source driver and the second source driver.

Abstract: An embodiment relates to a technique for driving an LED display. In a method of controlling grayscale of pixels dividedly by N subframes (N is a natural number of 2 or greater), a pulse width modulation (PWM) control value of each subframe may be calculated by a precalculator disposed at a front end of latches, thereby simplifying a circuit.

Abstract: A scan line to which a selection signal or a non-selection signal is input from its end, and a transistor in which a clock signal is input to a gate, the non-selection signal is input to a source, and a drain is connected to the scan line are provided. A signal input to the end of the scan line is switched from the selection signal to the non-selection signal at the same or substantially the same time as the transistor is turned on. The non-selection signal is input not only from one end but also from both ends of the scan line. This makes it possible to inhibit the potentials of portions in the scan line from being changed at different times.

Abstract: An electronic device including a driving circuit substrate, a plurality of light emitting units, and a first passivation layer is provided. The driving circuit substrate includes a plurality of active elements. The light emitting units are disposed on the driving circuit substrate and electrically connected to the driving circuit substrate, and each of the plurality of light emitting units is five surfaces light emitting type. The first passivation layer covers the light emitting units and the driving circuit substrate for protecting the light emitting units. One of the active elements provides a current to a corresponding one of the light emitting units, such that lighting efficiency of the corresponding one of the light emitting units is ranged from 70% to 100%. The current includes a plurality of pulse currents spaced apart from each other, and time widths of the pulse currents are the same.

Abstract: A pixel circuit and a driving method thereof, a display panel, and a display device are provided. The pixel circuit includes a light-emitting driving circuit, a storage circuit, and a data writing circuit, a first terminal of the storage circuit is respectively electrically connected to the data writing circuit and the light-emitting driving circuit, a second terminal of the storage circuit is configured to receive a control signal, and the storage circuit is configured to receive and store the first data voltage, to generate a first control voltage, that changes with time, according to the control signal and the first data voltage, and to cause the first control voltage to be applied to the light-emitting driving circuit to control a turn-on time of the light-emitting driving circuit; and the light-emitting driving circuit is configured to drive the light-emitting element to emit light under control of the first control voltage.

Abstract: A measurement system for measuring a motion picture response time (MPRT) of a liquid crystal display (LCD) has a computer and a measurement device. The computer controls a display panel of the LCD to switch between a plurality of different gray levels. The measurement device measures variations of brightness of the display panel when the display panel switches its gray level. The computer obtains at least a gray level response time (GLRT) normalized curve according to results of measuring the variations of the brightness. The computer integrates the at least a GLRT normalized curve to obtain at least an MPRT normalized curve, obtains at least a time interval of the at least an MPRT normalized curve, and calculates an average of the at least a time interval to obtain the MPRT of the LCD.

Abstract: A display device includes: a first pixel including a first organic light emitting diode; an initialization voltage generator for generating a first initialization voltage to be supplied to an anode of the first organic light emitting diode; and a timing controller including a first lookup table in which a plurality of first initialization voltage values corresponding to a plurality of maximum luminances are recorded, the timing controller being configured to determine a value of the first initialization voltage, based on reception information on a target maximum luminance and the first lookup table.

Abstract: A handheld imaging device has a data receiver that is configured to receive reference encoded image data. The data includes reference code values, which are encoded by an external coding system. The reference code values represent reference gray levels, which are being selected using a reference grayscale display function that is based on perceptual non-linearity of human vision adapted at different light levels to spatial frequencies. The imaging device also has a data converter that is configured to access a code mapping between the reference code values and device-specific code values of the imaging device. The device-specific code values are configured to produce gray levels that are specific to the imaging device. Based on the code mapping, the data converter is configured to transcode the reference encoded image data into device-specific image data, which is encoded with the device-specific code values.

Abstract: A display panel includes a first pixel group and a second pixel group each including sub-pixels coupled to the first scan line, a third pixel group and a fourth pixel group each including sub-pixels coupled to the second scan line. The first pixel group and the second pixel group are driven during a first scan on time in which the first scan line is driven. Consecutive N?1 sub-pixels among the sub-pixels of the third pixel group and one sub-pixel among the sub-pixels of the fourth pixel group are driven during a first portion of a second scan on time in which the second scan line is driven, and consecutive N?1 sub-pixels among the sub-pixels of the fourth pixel group and one sub-pixel among the sub-pixels of the third pixel group are driven during a second portion of the second scan on time.

Abstract: A driving method, a driving circuit and a touch-display apparatus are provided. The driving method includes providing a gate driving signal to a gate line, providing a pixel voltage to a data line, and providing a common electrode driving signal to a common electrode, wherein a pixel display operation is performed based on the gate driving signal, the pixel voltage, and the common electrode driving signal, and simultaneously, a touch detection operation is performed based on the common electrode driving signal. The driving method realizes the effect of simultaneously performing a pixel display operation and a touch detection operation, and solves the problem that the pixel display operation of the touch-display apparatus is affected in the touch detection stage.

Abstract: According to one embodiment, a display system includes an external light sensor, a display panel, a viewing angle control panel including a liquid crystal layer containing liquid crystal molecules twist-aligned, configured such that a drive voltage applied to the liquid crystal layer is controlled based on an external light intensity detected by the external light sensor, and a polarization axis rotation element disposed between the viewing angle control panel and the display panel. The drive voltage when the external light intensity is less than a threshold value is greater than the drive voltage when the external light intensity is greater or equal to than the threshold value.

Abstract: A driving method of display panel and a display device are provided, the driving method includes: taking a time duration of scanning at least two adjacent columns of pixel units as a driving period, a common electrodes of sub-pixels in the pixel units of a preset row are driven by different preset voltages in the current driving period, and the sub-pixels does not need to be driven by doubling the metal wiring and the driving device, thus to achieve the purpose of saving cost; and when the preset voltage is a positive or negative polarity driving voltage, the high voltage sub-pixel and the low-voltage sub-pixel in the pixel unit are driven by a preset driving mode.

Abstract: A timing controller, a display panel and a driving method are proposed. The display panel includes a display sub-pixel and a virtual sub-pixel. The display sub-pixel includes first sub-pixels, second sub-pixels and third sub-pixels. If the grayscale information of the two adjacent first sub-pixels are the same, then a driving signal of the virtual sub-pixel is the same as a driving signal of a third sub-pixel close to the virtual sub-pixel; otherwise, the driving signal of the virtual sub-pixel is the same as a driving signal of the third sub-pixels, which are outnumbered in the histogram.

Abstract: A display apparatus includes a display panel, a driving controller and a data driver. The display panel is configured to display an image. The driving controller is configured to generate a compensated image data for compensating a decrease of a luminance of an edge portion of the display panel based on input image data. The data driver is configured to output a data voltage to the display panel based on the compensated image data. The driving controller is configured to generate the compensated image data by comparing a maximum value among subpixel grayscale values of the input image data to which a luminance compensating coefficient is applied and a maximum grayscale value of the input image data. The luminance compensating coefficient is configured to be determined according to a location in the display panel.

Abstract: Provided is a display device. The display device includes a display panel that includes a first display region and a second display region, a data driving circuit configured to drive a plurality of data lines, a scan driving circuit configured to drive a plurality of scan lines, and a driving controller configured to control the data driving circuit and the scan driving circuit so as to operate the first display region and the second display region at different frequencies when an operation mode is a multi-frequency mode, wherein the driving controller changes the operation mode to a normal mode when a difference between an image signal of a current frame of the first display region and an image signal of a previous frame of the first display region is equal to or greater than a reference value during the multi-frequency mode.

Abstract: The present disclosure provides a grayscale compensation method, a gray-scale compensation assembly, and a liquid crystal display device. The gray-scale compensation method includes: detecting a display region for compensation in the liquid crystal display screen that needs grayscale compensation under a reserved liquid crystal response time; acquiring a grayscale conversion timetable of the liquid crystal display screen, and obtaining a limit value of conversion time of the liquid crystal display screen according to the grayscale conversion timetable; acquiring a compensation grayscale lookup table of the display region for compensation; comparing the reserved liquid crystal response time and the limit value of conversion time to obtain a time comparison result; performing grayscale compensation on the display region according to the time comparison result, the grayscale conversion timetable and the compensation grayscale lookup table.

Abstract: A display device is disclosed. The display device comprises: a display panel; a memory storing information on a compensation value according to a change in gray scale of an input image, which is preconfigured according to a driving frequency of the display panel; a timing controller for controlling the display panel to display a current frame of the input image, on the basis of information stored in the memory; and a processor for acquiring a target gray scale value of the current frame on the basis of a frequency of the current frame, acquiring a compensation value corresponding to the acquired target gray scale value, and controlling the timing controller to display the current frame on the basis of the acquired compensation value.

Abstract: A display device includes a display panel and a control circuit configured to process a signal for the display panel. The control circuit is configured to acquire respective gray levels specifying brightness for a plurality of subpixels in one subpixel row, determine correction amounts to the gray levels for the plurality of subpixels based on distribution of the gray levels and the individual gray levels for the plurality of subpixels, and correct the gray levels for the plurality of subpixels by the correction amounts.

Abstract: The present disclosure relates to an optical detection panel. The optical detection panel may include a first substrate and a second substrate opposite the first substrate, a photosensitive component and a driving thin film transistor at a side of the second substrate facing the first substrate, a first electrode and a second electrode at a side of the second substrate facing the first substrate, and a plurality of microlenses at a side of the photosensitive component opposite from the second substrate. The second electrode may be connected to the driving thin film transistor.

Abstract: Systems and methods for improving operating characteristics of displays such as liquid crystal on silicon displays.

Abstract: The present application discloses a driving method and a driving system for a display panel. The driving method includes: dividing the display panel into two compensation regions in units of sub-pixels; and outputting a driving voltage according to the compensation region which a sub-pixel belongs to.