公开(公告)号：US20200098306A1

公开(公告)日：2020-03-26

申请号：US16621310

申请日：2019-05-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Mingi CHU ,  Zhongyuan WU

IPC: G09G3/32

Abstract: The present disclosure relates to the field of display technologies, and provides a pixel circuit including: a display pixel driving circuit, a sensing line, and at least one non-display pixel driving circuit. The display pixel driving circuit is configured to drive a display sub-pixel, and includes a first driving transistor. The sensing line is coupled to an output end of the first driving transistor, and configured to sense a current of an output end of the first driving transistor; each of the non-display pixel driving circuits is configured to drive one non-display sub-pixel, and the non-display pixel driving circuit includes a second driving transistor. An output end of the second driving transistor is coupled to the sensing line to input a compensation current to the sensing line.

公开(公告)号：US20240169928A1

公开(公告)日：2024-05-23

申请号：US18421549

申请日：2024-01-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ying HAN ,  Xuehuan FENG ,  Yicheng LIN ,  Pan XU ,  Guoying WANG ,  Xing ZHANG ,  Zhan GAO ,  Mingi CHU

IPC: G09G3/3266 ,  G09G3/3275 ,  G11C19/28 ,  H01L27/12 ,  H10K59/121 ,  H10K59/131

CPC classification number: G09G3/3266 ,  G09G3/3275 ,  G11C19/28 ,  H01L27/124 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/1315 ,  G09G2300/0842 ,  G09G2310/0278 ,  G09G2310/0286 ,  G09G2310/061 ,  G09G2320/0233

Abstract: A display panel includes: a substrate, sub-pixels and a gate drive circuit. The sub-pixel includes a pixel drive circuit. The gate drive circuit includes cascaded shift registers, and a shift register is electrically connected to pixel drive circuits in a row of sub-pixels. The gate drive circuit further includes cascade input signal lines and cascade display reset signal lines. The cascade input signal line is configured to connect a shift signal terminal and an input signal terminal of two different shift register; and the cascade display reset signal line is configured to connect a shift signal terminal and a display reset signal terminal of two different shift register. The display panel has sub-pixel regions for arranging the sub-pixels and first gap regions each located between two adjacent columns of sub-pixel regions; the cascade display reset signal lines and the cascade input signal lines are disposed in different first gap regions.

公开(公告)号：US20240153430A1

公开(公告)日：2024-05-09

申请号：US18547883

申请日：2021-12-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Mingi CHU ,  Ying HAN ,  Fei YANG ,  Lirong WANG ,  Yi CHEN ,  Yu WANG ,  Jingbo XU ,  Pan LI

IPC: G09G3/20

CPC classification number: G09G3/2074 ,  G09G2300/026 ,  G09G2300/0452 ,  G09G2320/0233 ,  G09G2320/0626 ,  G09G2330/021 ,  G09G2360/16

Abstract: A method for compensating display of a spliced screen, including: obtaining a picture to be displayed; obtaining a theoretical brightness gain of at least one sub-display region in a plurality of sub-display regions; obtaining an actual brightness gain of the central region according to the theoretical brightness gain of at least part of the sub-display regions, and obtaining actual brightness gains of a plurality of first nodes in the non-central region according to the theoretical brightness gain of at least part of the sub-display regions; obtaining an actual brightness gain of at least part of the non-central region by using a bilinear interpolation method according to the actual brightness gains of the plurality of first nodes and an actual brightness gain of at least one second node on the central region; and compensating the picture to be displayed based on an actual brightness gain of the picture to be displayed.

公开(公告)号：US20210241694A1

公开(公告)日：2021-08-05

申请号：US17051623

申请日：2020-04-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Mingi CHU ,  Chinlung LIAO ,  Changyen WU ,  Fei YANG

IPC: G09G3/3258 ,  G09G3/20 ,  G09G3/3266 ,  G09G3/3291

Abstract: The present disclosure provides a light-emitting circuit, an illumining method thereof, a drive sub-circuit, a drive circuit, a display panel, and a display device. The light-emitting circuit includes N light-emitting layers and N+1 electrode layers, wherein the N light-emitting layers and the N+1 electrode layers are arranged in a laminated manner, and an nth light-emitting layer is provided between an nth electrode layer and an (n+1)th electrode layer; and N is an integer greater than 1, and n is a positive integer less than or equal to N.

公开(公告)号：US20230230542A1

公开(公告)日：2023-07-20

申请号：US17789617

申请日：2021-08-18

Applicant: BOE Technology Group Co., Ltd.

Inventor： Mingi CHU

IPC: G09G3/3225

CPC classification number: G09G3/3225 ,  G09G2300/0842 ,  G09G2320/0626 ,  G09G2360/142 ,  G09G2320/0233

Abstract: A display method and a display device of a display panel are provided, and belongs to the field of display technology. The display panel of the disclosure includes a light emitting device and a light sensing device. Each light sensing device is used for sensing the light emitted by at least one light emitting device. The display data of each light emitting device in the display panel is obtained according to a target brightness value and a brightness compensation gain value. The method includes: in a sensing stage, obtaining an actual brightness value of the light emitting device to be compensated according to the sensing data generated by the light sensing device, and setting a brightness compensation gain of the light emitting device to be compensated according to at least the obtained actual brightness value and the target brightness value.

公开(公告)号：US20230086927A1

公开(公告)日：2023-03-23

申请号：US17908021

申请日：2021-09-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ying HAN ,  Xuehuan FENG ,  Yicheng LIN ,  Pan XU ,  Guoying WANG ,  Xing ZHANG ,  Zhan GAO ,  Mingi CHU

IPC: G09G3/3266 ,  G11C19/28 ,  G09G3/3275 ,  H10K59/131 ,  H10K59/121 ,  H01L27/12

Abstract: A display panel includes: a substrate, sub-pixels and a gate drive circuit. The sub-pixel includes a pixel drive circuit. The gate drive circuit includes cascaded shift registers, and a shift register is electrically connected to pixel drive circuits in a row of sub-pixels. The gate drive circuit further includes cascade input signal lines and cascade display reset signal lines. The cascade input signal line is configured to connect a shift signal terminal and an input signal terminal of two different shift register, and the cascade display reset signal line is configured to connect a shift signal terminal and a display reset signal terminal of two different shift register. The display panel has sub-pixel regions for arranging the sub-pixels and first gap regions each located between two adjacent columns of sub pixel regions: the cascade display reset signal lines and the cascade input signal lines are disposed in different first gap regions.

公开(公告)号：US20220392993A1

公开(公告)日：2022-12-08

申请号：US17789153

申请日：2021-08-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guoying WANG ,  Yicheng LIN ,  Ying HAN ,  Mingi CHU ,  Pan XU ,  Xing ZHANG

IPC: H01L27/32

Abstract: Provided in the present disclosure are a display substrate and a display device. In the display substrate, at least a portion of a cathode is located in a display region; at least one driver chip is located in a non-display region; a first power supply signal line pattern is located in the non-display region and arranged on at least one side of the display region. The first power supply signal line pattern comprises a first transmission portion and a first wire inlet portion electrically connected to the first transmission portion. The first transmission portion extends in a first direction, and is electrically connected to the cathode. The first wire inlet portion extends in a second direction intersecting with the first direction. The first wire inlet portion is electrically connected to the at least one driver chip.

公开(公告)号：US20190385568A1

公开(公告)日：2019-12-19

申请号：US15771937

申请日：2017-09-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Danna SONG ,  Song MENG ,  Mingi CHU

IPC: G09G5/10 ,  G09G3/3258 ,  G09G3/3291

Abstract: The present disclosure discloses an electroluminescent display screen and brightness uniformity compensation method and system thereof, wherein the method comprises: performing test modeling based on a correspondence between an aging rule of an electroluminescent diode in the display screen and an aging rule of a thin film transistor (TFT) in the display screen to acquire a brightness uniformity compensation model; acquiring a first compensation parameter and a second compensation parameter required for compensating the TFT, and acquiring a current brightness ratio of the electroluminescent diode through invoking the brightness uniformity compensation model based on the compensation parameters; performing brightness uniformity compensation on the display screen based on the acquired current brightness ratio of the electroluminescent diode.

公开(公告)号：US20250157371A1

公开(公告)日：2025-05-15

申请号：US18725165

申请日：2021-12-21

Applicant: Hefei BOE Joint Technology Co., Ltd. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengfei YIN ,  Mingi CHU ,  Jingbo XU ,  Huihui LI ,  Wenchao BAO

IPC: G09G3/00 ,  G09G3/3225 ,  G09G3/36

Abstract: A method and apparatus for compensating a display defect, a medium, an electronic device, and a display apparatus. The method comprises: selecting a pixel value of a normal region at the periphery of a defective region to perform interpolation with respect to the defective region, so as to determine a compensation pixel value for the defective region at a preset brightness level; and updating a pixel value of the defective region at the preset brightness level with the compensation pixel value.

公开(公告)号：US20240233652A1

公开(公告)日：2024-07-11

申请号：US17927627

申请日：2021-12-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Fei YANG ,  Yi CHEN ,  Tianji LI ,  Mingi CHU ,  Zhiqiang DONG ,  Lirong WANG ,  Jingbo XU

IPC: G09G3/3275 ,  G09G3/3233

CPC classification number: G09G3/3275 ,  G09G3/3233 ,  G09G2300/0842 ,  G09G2310/027 ,  G09G2310/0291 ,  G09G2310/06 ,  G09G2320/0233 ,  G09G2320/0242 ,  G09G2370/08

Abstract: A source driving circuit includes a first source driver and a second source driver. The first source driver is configured to convert latched first image data into a plurality of first data voltages in response to a first triggering moment of a first data transmission control signal, and output the plurality of first data voltages based on a second triggering moment of the first data transmission control signal. The second source driver is configured to convert latched second image data into a plurality of second data voltages in response to a first triggering moment of a second data transmission control signal, and output the plurality of second data voltages based on a second triggering moment of the second data transmission control signal. The second triggering moment of the first data transmission control signal and the second triggering moment of the second data transmission control signal have a time difference.