公开(公告)号：US20230360599A1

公开(公告)日：2023-11-09

申请号：US17432467

申请日：2021-02-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Libin LIU ,  Mei LI

IPC: G09G3/3233 ,  G09G3/3291

CPC classification number: G09G3/3233 ,  G09G3/3291 ,  G09G2300/0426 ,  G09G2310/061

Abstract: A pixel drive circuit, a control method thereof and a display panel. The pixel drive circuit comprises a reset module (5), the reset module (5) comprises a double-gate first transistor (T1) and a second transistor (T2), a first electrode of the double-gate first transistor (T1) is electrically connected to an initial signal line, a second electrode of the double-gate first transistor (T1) is electrically connected to a first node (n1); a first electrode of the second transistor (T2) is electrically connected to an intermediate node (n5) of the double-gate first transistor (T1), a second electrode of the second transistor (T2) is electrically connected to an anode of a light-emitting diode (6); two control electrodes of the double-gate first transistor (T1) and control electrode of the second transistor (T2) are electrically connected to a reset signal line; the second transistor and part of the double-gate first transistor constitute a double-gate transistor.

公开(公告)号：US20230351796A1

公开(公告)日：2023-11-02

申请号：US17908429

申请日：2021-11-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hao LIU ,  Mei LI ,  Jiuzhen WANG ,  Zunqing SONG ,  Qiuhua MENG ,  Caiyu QU ,  Ming LIU

IPC: G06V40/13 ,  H10K59/65

CPC classification number: G06V40/1306 ,  H10K59/65

Abstract: A display substrate and a display apparatus are provided. The display substrate includes: a base substrate; a plurality of sub-pixels arranged on the base substrate, wherein the sub-pixels each include a sub-pixel driving circuit; a plurality of fingerprint recognition structures arranged on the base substrate, wherein the fingerprint recognition structures each include a control circuit and a fingerprint recognition electrode, the fingerprint recognition electrode is located on a side of the control circuit facing away from the base substrate, the control circuit is coupled to the fingerprint recognition electrode, and the control circuit is used for outputting a sensing signal from the fingerprint recognition electrode; wherein the control circuit and the sub-pixel driving circuit are arranged in a direction parallel to the base substrate.

公开(公告)号：US20230140411A1

公开(公告)日：2023-05-04

申请号：US17905620

申请日：2021-08-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guangliang SHANG ,  Jie ZHANG ,  Jiangnan LU ,  Mei LI ,  Libin LIU

IPC: G09G3/20

Abstract: A gate driving unit includes a first input node control circuit and a charge pump circuit; the first input node control circuit is configured to connect or disconnect the between an input terminal and the first input node under control of a clock signal provided by the clock signal terminal; the charge pump circuit is configured to control to convert a voltage signal of the first input node into a voltage signal of the first node under the control of an input clock signal provided by the input clock signal terminal when the voltage signal of the first input node is a first voltage signal, so that a polarity of the voltage signal of the first input is the same as a polarity of the voltage signal of the first input node, and an absolute value of the voltage value of the voltage signal of the first node is greater than an absolute value of a voltage value of the voltage signal of the first input node.

公开(公告)号：US20230021618A1

公开(公告)日：2023-01-26

申请号：US17953941

申请日：2022-09-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangnan LU ,  Guangliang SHANG ,  Can ZHENG ,  Yu FENG ,  Libin LIU ,  Jie ZHANG ,  Mei LI

IPC: H01L27/32

Abstract: Provided is a display substrate, the display substrate is provided with a display area and a peripheral area around the display area, and includes: a source/drain layer, a planarization layer and an anode layer which are laminated in sequence, wherein in the peripheral area, the source/drain layer includes at least one pair of first signal lines including a signal line of a gate circuit and the anode layer includes a common power line provided with vent holes; and overlapping areas between two first signal lines in any pair of the first signal lines and a projection pattern of the vent hole are equal, the projection pattern of the vent hole being a pattern of an orthographic projection of the vent hole in the common power line onto the source/drain layer. A display panel and a display device are also provided.

公开(公告)号：US20220149138A1

公开(公告)日：2022-05-12

申请号：US17427076

申请日：2020-11-13

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangnan LU ,  Guangliang SHANG ,  Can ZHENG ,  Yu FENG ,  Libin LIU ,  Jie ZHANG ,  Mei LI

IPC: H01L27/32

Abstract: An organic light-emitting diode display substrate, a display panel and a display device. The display substrate includes a source/drain layer (101), a planarization layer (102) and an anode layer (103) which are laminated in sequence; the source/drain layer (101) comprises at least one pair of first signal lines (110); the anode layer (103) comprises a common power line (130), and the common power line (130) is provided with an air discharge hole (131); and the overlapping areas of a projection pattern of the air discharge hole (131) and two first signal lines (110) in any pair of first signal lines (110) are equal, the overlapping areas are greater than 0, and the projection pattern of the air discharge hole (131) is a pattern of an orthographic projection, on the source/drain layer (101), of the air discharge hole (131) on the common power line (130). The overlapping areas of the common power line (130) and the two first signal lines (110) in the pair of first signal lines (110) are equal, so that the parasitic capacitances between the common power line (130) and the two first signal lines (110) in the pair of first signal lines (110) are the same in magnitude, and so that signals transmitted by the pair of first signal lines (110) match each other, ensuring the uniformity of a display screen.

公开(公告)号：US20200043990A1

公开(公告)日：2020-02-06

申请号：US16600316

申请日：2019-10-11

Applicant: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lujiang HUANGFU ,  Libin LIU ,  Fengli JI ,  Xiaodan JIN ,  Yinan LIANG ,  Mei LI ,  Jie ZHANG ,  Chang LUO ,  Jianpeng WU ,  Hongli WANG

IPC: H01L27/32 ,  G09G3/3225 ,  G09G3/3233 ,  H01L51/52

Abstract: A pixel arrangement structure are provided, which includes a plurality of repeating units. Each of the plurality of repeating units includes two first sub-pixels, one second sub-pixel, and one third sub-pixel. Each of the first sub-pixel, the second sub-pixel and the third sub-pixel includes a pixel defining layer, the pixel defining layer includes a pixel defining layer opening to define an effective light emitting region of each sub-pixel; a plurality of first sub-pixels are arranged along the second direction to form a plurality of first sub-pixel groups, orthographic projections of pixel defining layer openings of the first sub-pixels in adjacent ones of the plurality of first sub-pixel groups on a straight line parallel to the second direction do not overlap each other.