Abstract: A top-emission type organic electroluminescent (EL) element and a top-emission type organic EL device are provided. The top-emission type organic EL element includes a first electrode, an organic functional layer disposed on the first electrode, and a second electrode disposed on a side of the organic functional layer facing away from the first electrode. The second electrode includes a work-function adjustment layer and a transparent metal oxide layer. The work-function adjustment layer is disposed on the side of the organic functional layer facing away from the first electrode, and the transparent metal oxide layer is disposed on a side of the work-function adjustment layer facing away from the organic functional layer. The top-emission type organic EL element and the top-emission type organic EL device can improve the luminous efficiency and prolong the service life.

Abstract: A display device is provided and includes: a display panel, disposed with a gate driving circuit and a source driving circuit; a X-board, disposed with a driving circuit board assembly including a display control circuit and a first connector, the display control circuit is connected with the gate driving circuit, the source driving circuit and the first connector; a system board, disposed with a second connector and a system-on-chip (SOC) connected to the second connector, the SOC includes an optical performance adjustment intellectual property core; and a connecting part, connected between the first connector and the second connector. By disposing the driving circuit board assembly on the X-board to make the X-board have some of TCON functions, completely independent of the SOC when debugging and changing Panel Timing, and can be developed independently, panel manufacturers can complete the panel debugging and changing independently without relying on changing the SOC.

Abstract: A display panel, a display device and a driving method for a display panel are provided. The display panel includes multiple pixel units and a display control unit. Each of the pixel units includes a first color pixel, a second color pixel and a third color pixel. The first color pixel, the second color pixel and the third color pixel each include a first sub-pixel, a second sub-pixel and a third sub-pixel. The display control unit includes a first controller, a second controller and a third controller. By means of combining three kinds of gramma curves e.g., first through third gamma curves and taking a 4-domain pixel structure as a basis, a display effect based on a 12-domain pixel structure can be realized, so that the color shift problem in side view of the display panel can be significantly improved.

Abstract: A display device provided in the disclosure includes: a display panel including a gate driving circuit and a source driving circuit, a XB board including a driving circuit board assembly, and a system board including a system-on-chip and a second connector connected with the system-on-chip; the driving circuit board assembly includes a display control circuit and a first connector, the display control circuit is connected with the gate driving circuit, the source driving circuit and the first connector; the first connector includes voltage supplying pins, P2P interface pins and SPI pins; the second connector connects the first connector through a connecting member; the system-on-chip is configured for acquiring a type identification signal transmitted by the connecting member and identifying a P2P interface type according to the type identification signal; and transmitting corresponding P2P data to the connecting member according to the P2P interface type.

Abstract: A pixel data optimization method, a pixel matrix driving device and a display apparatus are provided. The method includes: obtaining a first pixel data set; obtaining a second pixel data set according to the first pixel data set; obtaining an initial amplitude difference according to pixel data of each two adjacent rows of pixels in the second pixel data set; and obtaining pixel output data of n rows*M columns of pixels according to the initial amplitude difference and a preset threshold. By comparing the initial amplitude difference obtained from the pixel data of each two adjacent rows of pixels with the preset threshold, a pixel grayscale value to be final displayed of each pixel can be adjusted according to a comparison result, so that an energy consumption and an overheating phenomenon of the pixel matrix driving device can be improved, and a visual effect can be improved.

Abstract: A brightness-unevenness compensation method and device and a display panel are provided. The method includes: obtaining brightness-unevenness information of a display panel and a plurality of gray-scale compensation data for compensating brightness-unevenness of the display panel; storing the plurality of gray-scale compensation data in a manner of a compensation table with a plurality of compensation data groups having different compensation distances being associated with the same number of data bits and in both vertical and horizontal directions; reading the plurality of compensation data groups from the compensation table and compensating gray-scale data to-be-displayed to obtain compensated gray-scale data, after the display panel is powered on; and outputting the compensated gray-scale data for picture display.

Abstract: The invention relates to a ghost relieving method for a display panel. The ghost relieving method for a display panel includes acquiring input gray scales; acquiring first gray scales and second gray scales according to the input gray scales; acquiring corresponding first voltages according to the first gray scales and corresponding second voltages according to the second gray scales; and outputting the first voltages and the second voltages to a pixel matrix.

Abstract: A display driving method, a display driving device and a display apparatus are provided. The method includes: reading a first check code in a first memory and a second check code in a second memory; and selectively performing one of step (a) and step (b): step (a): transmitting a second data code stored in the second memory to the first memory and storing the same in the first memory, and reading a first data code and/or the second data code stored in the first memory, when the first check code is not matched with the second check code; step (b): reading a first data code and/or a second data code stored in the first memory, when the first check code is matched with the second check code. The first memory is arranged on a control circuit board, and the second memory is arranged on a horizontal direction circuit board.

Abstract: A data driving method and a data driving device are provided. The data driving method includes: transmitting a charge sharing signal for a current data line according to a pre-stored charge sharing timing table; transmitting a valid display data for the current data line; and executing the charge sharing signal to complete a charge sharing between signal channels. The data driving device includes a timing controller, a transmission interface, a source driver, a plurality of data lines, and a charge sharing switch. The data driving method and the data driving device of the disclosure can separately set the charge sharing signal for each row by setting the charge sharing signal on each row of the valid display data through the pre-stored charge sharing timing table. This achieves independent control of charge sharing per line during display.

Abstract: A grayscale compensation method and apparatus are provided. The grayscale compensation method includes: performing a grayscale compensation data detection on a display panel to obtain a first grayscale compensation data; preforming a grayscale compensation data detection on a backlight module to obtain a second grayscale compensation data; performing a data fusion on the first grayscale compensation data and the second grayscale compensation data to obtain a third grayscale compensation data; and performing a grayscale compensation on the display panel according to the third grayscale compensation data. By calculating the grayscale compensation data of the display panel and the backlight module at the same time, display brightness of the display panel is more uniform. Moreover, before the data fusion, the first and second grayscale compensation data may be reduced in resolution, the data amount of fusion calculation is less and the calculation time and storage space are saved.

Abstract: A pixel matrix driving device and a display device are provided. The pixel matrix driving device includes a pixel matrix, a timing controller and a driving circuit. The pixel matrix includes a plurality of sub-pixels, an i-th column of sub-pixels in the plurality of sub-pixels and an (i+1)-th column of sub-pixels in the plurality of sub-pixels have different polarity inversion positions. The timing controller is configured for obtaining an initial pixel value, and obtaining a first grayscale value and a second grayscale value according to the initial pixel value. The driving circuit is configured for obtaining a first driving voltage according to the first grayscale value, obtaining a second driving voltage according to the second grayscale value, and applying the first driving voltage and the second driving voltage into the pixel matrix. The disclosure can improve the horizontal equidistant horizontal stripes and improve the washout phenomenon of the display panel.

Abstract: An electrostatic discharge (ESD) device applied to a liquid crystal display (LCD) panel includes: an electrostatic concentration structure, protruded on a color film substrate of the LCD panel; and an electrostatic discharge structure, being disposed on an array substrate of the LCD panel, positionally corresponding to the electrostatic concentration structure and having an interval relative to the electrostatic concentration structure satisfying a preset interval. Or, the ESD device includes an electrostatic discharge structure disposed on an array substrate of the LCD panel and having an interval relative to a color film substrate of the LCD panel satisfying a preset interval. Therefore, the ESD device can effectively reduce damage caused by static electricity to the LCD panel, and carry out electrostatic protection on the side of color film substrate as well as on the surroundings of the display panel, so that a strong anti-static protection ability is achieved.

Abstract: A method for maintaining LED brightness is provided and exemplarily includes steps of: providing a LED driving circuit capable of performing current detection and compensation; performing a detection based on the LED driving circuit to obtain mapping relationships among current, brightness and voltage; and monitoring a current flowing through a LED driven by the LED driving circuit, and performing a compensation according to the monitored current and the mapping relationships to maintain brightness of the LED. Moreover, a LED driving circuit is also provided and includes first through fourth transistors and a capacitor. In addition, a display device adopting the method for maintaining LED brightness or the LED driving circuit is also provided.

Abstract: The invention discloses a pixel structure and a pixel unit. The pixel structure includes a main electrode; and a plurality of branch electrodes connected to the main electrode; wherein the branch electrode includes a first branch electrode and a second branch electrode, an acute intersecting angle between the first branch electrode and the main electrode is a first angle, and an acute intersecting angle between the second branch electrode and the main electrode is a second angle. The invention solves the whitening phenomenon which occurs in the side view by designing the acute intersecting angle between the branch electrode and the main electrode as the first angle and the second angle.

Abstract: A pixel unit, a display panel and a display device are provided. The pixel unit includes: a first sub-pixel, comprising a first sub-region and a second sub-region; and a second sub-pixel, disposed adjacent to the first sub-pixel and comprising a third sub-region and a fourth sub-region; wherein the first sub-region is disposed adjacent to the third sub-region, and the second sub-region is disposed adjacent to the fourth sub-region; wherein a divided voltage of the first sub-region is same as a divided voltage of the third sub-region; the divided voltage of the first sub-region, a divided voltage of the second sub-region and a divided voltage of the fourth sub-region are different from one another. The pixel unit of the embodiment is advantageous for improving the washout and color shift problem of a larger side view angle and improving the optical characteristics of the viewing angle.

Abstract: The invention provides a driving method for a pixel matrix. The pixel matrix includes a plurality of sub-pixels arranged in a matrix, the polarity of data lines is inverted once every two columns, the polarity of the voltage loaded in the direction of the data lines is exchanged once every N sub-pixels, and each data line alternately loads the voltage to the lth column and (I+2)th column of sub-pixels every N sub-pixels. The driving method includes: acquiring original pixel data; generating a first driving voltage and a second driving voltage according to the original pixel data; and loading the first driving voltage or the second driving voltage to the pixel matrix along the data lines within one frame, where I?1, N?2. In addition, the invention further provides a display device.

Abstract: A method for driving a pixel matrix is provided, and the pixel matrix includes multiple sub-pixels arranged in a matrix. Voltages applied along any one of data lines change in polarity once every four sub-pixels or every two sub-pixels, any one of the data lines controls voltage inputs of sub-pixel respectively connected to two sides thereof or controls voltage inputs of two sub-pixels both connected to one side thereof. The method includes: receiving an image data and acquiring original pixel data according to the image data; generating a first driving voltage and a second driving voltage according to the original pixel data; and loading the first driving voltage or the second driving voltage to the pixel matrix along any one of the data lines. The invention also provides a display device corresponding to the method. The invention can avoid crosstalk, bright dark lines and improve display effect.

Abstract: The invention relates to a ghost relieving circuit for a display panel including a digital-to-analog converter, a first switching circuit, a second switching circuit, and a gamma chip. The gamma chip is connected to the digital-to-analog converter and configured to provide a plurality of reference voltages to the digital-to-analog converter. The digital-to-analog converter is individually connected to the first switching circuit and the second switching circuit, the first switching circuit is connected to receive a first working voltage and a positive-polarity reference voltage and has an positive-polarity data voltage output end, the second switching circuit is connected to receive a second working voltage and a negative-polarity reference voltage and has a negative-polarity data voltage output end, and the positive-polarity reference voltage is less than the negative-polarity reference voltage.

Abstract: The application relates to a pixel compensation method, a pixel compensation circuit and a display device. The pixel compensation method includes: recording a working time of a display device and determining gate and source voltages of a TFT in an active area within the working time; finding a voltage compensation value from a look-up table according to the working time and the gate and source voltages; and performing voltage compensation to a scan signal according to the voltage compensation value. The gate and source voltages in a time period of the display device are counted, the pre-stored look-up table is searched according to voltage statistical values of gate, source and drain to determine voltage adjustment values for adjusting voltage values of the scan signal, so that a problem of image ghost or flicker in the display device caused by the drift of I-V characteristic curve is overcome consequently.

Abstract: An array substrate, a liquid crystal display panel and a display device are provided. The array substrate includes: a substrate; a common electrode and a gate electrode, both disposed on the substrate; and a shielding electrode, disposed on the common electrode and the gate electrode, wherein an orthographic projection of the shielding electrode on the substrate is overlapped with an orthographic projection of the gate electrode on the substrate as well as an orthographic projection of the common electrode on the substrate, and the shielding electrode is electrically connected to the common electrode. In the embodiment of the disclosure, the shielding electrode is disposed on the common electrode and the gate electrode, so that the influence of the voltage difference formed by the gate electrode and the common electrode can be effectively shielded, thereby eliminating the phenomenon of push mura.