Boe Technology Group Co., Ltd.

Chengdu Boe Optoelectronics Technology Co., Ltd.

Ordos Yuansheng Optoelectronics Co., Ltd.

Zhiguang Zhang

Chang Zhang

Lixia Shen

Yong Yu

Kwanggyun Jang

Jing Liu

Hualing Yang

Huatao Li

Tae Hyun Kim

Zhiliang Jiang

Ziyang Yu

Pan Zhao

Lei Feng

Shilong Wang

Taehyun Kim

Zhongjie Wang

Dehua Zhang

Jianhang Fu

Guangguang Han

Provided are a driver IC and a display device. The driver IC includes at least one GOA pad area. Each of the at least one GOA pad area includes a plurality of first pads arranged in a plurality of rows and a plurality of columns. Each of the plurality of columns of the first pads is divided into at least two first pad groups arranged independently of each other. Each of the at least two of the first pad groups includes at least two of the first pads adjacent to each other, and the first pads in each of the first pad groups are electrically connected with each other. The driver IC further includes a plurality of leads electrically connected with the first pad groups, and each of the first pad groups is electrically connected with a different lead.

Driver IC and display device

A display substrate includes a plurality of pixel units arranged to form a plurality of pixel columns extending along a first direction, the display substrate further includes a plurality of groups of power source signal lines and pixel driving circuits located on the substrate, each group of power source signal lines includes a plurality of secondary signal lines, the pixel driving circuits of the pixel units in each pixel column are connected to different secondary signal lines in a same group of power source signal lines, each secondary signal line extends along the first direction from a starting end of the power source signal lines, extension lengths of the secondary signal lines in the same group of power source signal lines are different, and resistance values per unit length of different secondary signal lines along the first direction decrease as total lengths of the secondary signal lines increase.

Display substrate and display device

A display driving method, a display driving device and a display module are provided. The display driving method includes: during each delay cycle, controlling a first light-emission control signal to be delayed by a predetermined duration from a second light-emission control signal, the predetermined duration corresponding to the delay cycle. The first light-emission control signal is a light-emission control signal outputted by each light-emission control line during an (n+1)-th frame of display time period in the delay cycle, and the second light-emission control signal is a light-emission control signal outputted by the corresponding light-emission control line during an n-th frame of display time period in the delay cycle. Each delay cycle includes N frames of display time periods, N is a positive integer greater than a first predetermined number, and n is a positive integer less than N.

Display driving device having delayed light-emission control signals and driving method thereof

An optical compensation method for a display panel and an optical compensation device are provided. The optical compensation method for the display panel includes selecting a pixel block to be compensated in an edge region; and acquiring a pixel compensation parameter of at least one pixel block in a main body region as a pixel compensation parameter of the pixel block to be compensated.

Optical compensation method for display panel and optical compensation device

Embodiments of the present disclosure provide a display panel and a drive method thereof, and a display device. The display panel includes a plurality of sets of pixel columns and a plurality of drive circuits. Each of the sets of pixel columns includes a plurality of subpixel columns. The plurality of drive circuits correspond to the plurality of sets of pixel columns respectively. Each of the drive circuits is further configured to send, to an adjacent drive circuit, a source data signal for the subpixel column in the set of pixel columns of the drive circuit, and/or receive, from the adjacent drive circuit, a source data signal for the subpixel column in the set of pixel columns of the adjacent drive circuit and generate a data signal for driving the subpixel column in the set of pixel columns of the drive circuit, based on the received source data signal.

Display panel and drive method thereof, and display device

The disclosure discloses a display panel, a display device, and a method for adjusting a display image, the method includes: receiving a display mode switching instruction; obtaining a first brightness value of a first pixel in a display area in the first mode, and determining a second brightness value of the first pixel in a second mode to be switched to, wherein the display area includes a fingerprint recognition area, and an image display area surrounding the fingerprint recognition area, and the first pixel is in the image display area; determining a brightness compensation coefficient of the image display area in the second mode according to the first brightness value and the second brightness value; and switching from the first mode to the second mode, and displaying an image in the second mode after compensating for brightness in the image display area using the brightness compensation coefficient.

Display panel, display device, and method for adjusting display panel

A method and a device for compensating for image crosstalk and a display apparatus are provided. The method includes: obtaining (S) a data-voltage variation value between a data voltage applied to a pixel unit at a current scanning time instant and a data voltage applied to the pixel unit at a previous scanning time instant; determining a power-voltage variation value based on the data-voltage variation value (S); setting a sum of the power-voltage variation value and an original data voltage to be applied to the pixel unit at a next time instant as a compensated data voltage of the pixel unit (S); and setting the compensated data voltage of the pixel unit as an actual data voltage to be applied to the pixel unit at the next time instant (S).

Method and device for compensating for image crosstalk, and display apparatus

Embodiments of the present disclosure provide an OLED display panel and a driving method thereof. The OLED display panel includes a plurality of power lines, each power line connecting to a plurality of pixels, and one end of each power line connecting to a power source. The method includes acquiring a current value of the power line and comparing it to a preset threshold, when a current value of the power line is less than or equal to the threshold, providing an original data voltage to the pixels connected to the power line, when a current value of a power line is greater than the threshold, providing a compensating data voltage to the pixel connected to the power line. The compensating data voltage is equal to the difference between the original data voltage and the compensation voltage.

Display panel and driving method thereof

The present disclosure provides a gamma tuning method and a gamma tuning device. The gamma tuning method includes steps of: comparing grayscale binding points of a to-be-debugged module with a standard gamma curve; determining a to-be-tuned grayscale binding point from the grayscale binding points of the to-be-debugged module in accordance with a comparison result between the grayscale binding points of the to-be-debugged module and the standard gamma curve; and tuning a grayscale brightness value of the to-be-tuned grayscale binding point in accordance with a target brightness value of the grayscale binding point on the standard gamma curve.

Gamma tuning method and gamma tuning device

Embodiments of the present disclosure provide gamma correction method and device for a display module. The gamma correction method includes: determining, for each sub-pixel of a display module to be corrected, the highest data voltage and the lowest data voltage after gamma correction of the highest gray scale and the lowest gray scale of the display module; determining at least one set of alternative gamma register values that are capable of performing gamma correction of the display module; determining at least one set of gamma register values to be corrected for respective gray scales before the gamma correction of the display module; and performing gamma correction of the display module by adjusting the gamma register value corresponding to the gray scale to be corrected which needs to perform gamma correction.

Growing community of inventors

Beijing, China

Zhiguang Zhang