G09G2320/04

Display device and method of driving the same
11341902 · 2022-05-24 · ·

A display device including a display panel including scan lines, emission control lines, and pixels connected to the scan lines and the emission control lines; a first emission driver sequentially providing first emission control signals to odd-numbered emission control lines among the emission control lines in a first frame section; a second emission driver sequentially providing second emission control signals to even-numbered emission control lines among the emission control lines in a second frame section that is continuous from the first frame section; and a scan driver sequentially providing scan signals to the scan lines in each of the first and second frame sections.

Shift register unit, method of driving shift register unit, gate drive circuit, and display device

A shift register unit, a method of driving a shift register unit, a gate drive circuit, and a display device are provided. The shift register unit includes an input circuit, an output circuit, a first reset circuit, and a reset control circuit. The input circuit is configured to control a level of a first node; the output circuit is configured to output a clock signal to an output terminal; the first reset circuit is configured to reset the first node; and the reset control circuit is configured to input the first reset signal to the first reset circuit in response to a reset control signal and a reference signal, to turn on the first reset circuit and the reset control circuit is further configured to enable an amplitude of a level of the first reset signal to be larger than an amplitude of a level of the reference signal.

Pixel of an organic light emitting diode display device, and organic light emitting diode display device

A pixel of an organic light emitting diode display device includes a capacitor, a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, an eighth transistor, a ninth transistor and an organic light emitting diode. The third transistor includes first and second sub-transistors which are coupled to each other in series between a drain of the first transistor and a gate node, and a fourth transistor includes third and fourth sub-transistors which are coupled to each other in series between a line of an initialization voltage and the gate node. The eighth transistor applies a reference voltage to a first node between the first and second sub-transistors in response to an emission signal, and a ninth transistor applies the reference voltage to a second node between the third and fourth sub-transistors in response to the emission signal.

Self-monitoring method of display and display

A self-monitoring method of a display and a display are disclosed. The self-monitoring method of a display includes: inputting a first image test signal including a predetermined image test signal; acquiring a display parameter of the predetermined image test signal; dividing at least one frame of image outputted into a plurality of areas, in which the plurality of areas of the image include a predetermined area and a remaining area; acquiring a first display parameter of the predetermined area; comparing the display parameter of the predetermined image test signal with the first display parameter, determining whether or not an image displayed by the display is matched with the first image test signal to acquire a first match result; and determining whether or not display abnormality presents in the display based on the first match result. The method can determine whether or not display abnormality presents in the display.

ELECTRONIC DEVICE AND DISPLAY IMAGE COMPENSATION METHOD THEREOF
20220130343 · 2022-04-28 ·

An electronic device and a display image compensation method thereof are provided. The display image compensation method includes: receiving a first image signal and a second image signal sequentially at different time points, and displaying the first image signal by using a display unit; calculating current temperature information according to a display time length of the first image signal on the display unit and pixel data of the first image signal, and calculating a variation between the current temperature information and reference temperature information; and generating pixel compensation data corresponding to the current temperature information when the variation is greater than a preset value, compensating the second image signal according to the pixel compensation data, and outputting the compensated second image signal to the display unit.

Display panel and crack detecting method thereof, display apparatus

A display panel and a crack detecting method, and a display device are disclosed. The display panel includes a display region and a peripheral region surrounding the display region, the peripheral region being provided with a crack detection circuit structure, the crack detection circuit structure including a detection circuit wire and a first detection switching circuit, the display panel includes a first sub-pixel and a first data line electrically connected to the first sub-pixel, a first end of the first data line is electrically connected to a first end of the detection circuit, a second end of the first data line is electrically connected to a second end of the detection circuit wire through the first detection switching circuit and the second end of the detection circuit wire is configured to receive a detection voltage.

Method and apparatus for colour imaging

A method for processing data for display on a screen involves encoding, using a first colour space, a first portion of image data intended to be displayed on a first area of the screen and encoding, using a second colour space, a second portion of image data intended to be displayed on a second area of the screen. The encoded first and second portions of the image data are compressed, and transmitted over a link for display on the screen. By using different colour spaces to encode image data that is displayed in different parts of a screen, differences in a user's vision and/or aberrations caused by display equipment may be accounted for and so provide an improved user experience. Using different colour spaces for different screen areas may also reduce the amount of data that needs to be transmitted, for example by encoding image data more effectively and/or allowing more efficient compression of data.

GOA circuit and array substrate
11176891 · 2021-11-16 ·

The present disclosure discloses a gate on array (GOA) circuit and an array substrate. The GOA circuit utilizes a dual gate TFT as a circuit switch. The bottom gate is connected to an external voltage for adjusting the threshold voltages of the TFTs. The stability of the GOA circuit is ensured. The GOA circuit only disposes 6 TFTs. the structure is simpler, and the narrower panel bezel is implemented.

Display device and method for controlling same
11222597 · 2022-01-11 · ·

Disclosed herein are a display device and a method for controlling the same, and more particularly, to a display device and a method for controlling the same that may compensate degradation of a display panel and may improve image quality. According to the method for controlling the display device of an embodiment, a pattern image is displayed respectively on a plurality of scan blocks set on the display panel. When the pattern image is displayed respectively on the plurality of scan blocks set on the display panel, a current value of each scan block is measured. Then a representative current value is compared with a predetermined reference value, and it is determined whether compensation data of each pixel included in each of the scan blocks is updated.

STAGE AND SCAN DRIVER INCLUDING THE SAME
20220005415 · 2022-01-06 ·

A stage connected to scan lines and supplying a scan signal and a sensing signal to the scan lines includes an input unit and an output buffer. The input unit controls a voltage of a first node and a second node in response to a first control signal and a previous carry signal, where an eleventh node and a twelfth node are electrically connected to the first node and the second node, respectively, in response to a second control signal. The output buffer outputs a carry signal and the scan signal in response to a scan clock signal according to a voltage of the eleventh node and the twelfth node and outputs the sensing signal in response to a sensing clock signal.