公开(公告)号：US12108643B2

公开(公告)日：2024-10-01

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: H10K59/131 ,  G09G3/3208 ,  H10K59/121

CPC classification number: H10K59/131 ,  H10K59/121 ,  G09G3/3208 ,  G09G2320/0209 ,  G09G2320/0233

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：US12052901B2

公开(公告)日：2024-07-30

申请号：US17310325

申请日：2021-03-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin Liu ,  Mei Li ,  Shiming Shi ,  Li Wang

IPC: H10K59/35 ,  H10K50/80 ,  H10K59/122 ,  H10K59/131 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K59/353 ,  H10K50/80 ,  H10K59/122 ,  H10K59/131 ,  H10K59/352 ,  H10K71/00 ,  H10K59/1201

Abstract: The present disclosure provides a display substrate, a manufacturing method thereof, and a display device. The display substrate includes a display area and a non-display area located at a periphery of the display area, wherein the display area includes a plurality of pixel opening areas and a pixel spacing area located between the pixel opening areas; the display substrate further includes: a first electrode, wherein at least part of the first electrode is located in the pixel spacing area, an orthographic projection of the first electrode on a substrate of the display substrate does not overlap an orthographic projection of the pixel opening area on the substrate; and a second electrode electrically connected to the first electrode and located in the non-display area.

公开(公告)号：US11875748B2

公开(公告)日：2024-01-16

申请号：US17433668

申请日：2021-02-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guangliang Shang ,  Tian Dong ,  Xinshe Yin ,  Mei Li ,  Libin Liu ,  Shiming Shi

IPC: G11C19/28 ,  G09G3/3266 ,  G09G3/3233 ,  G09G3/20

CPC classification number: G09G3/3266 ,  G11C19/28 ,  G09G3/20 ,  G09G3/3233 ,  G09G2300/0426 ,  G09G2310/0286 ,  G09G2320/0247 ,  G09G2330/021

Abstract: Provided are a gate driving circuit, a display substrate, a display device and a gate driving method, the gate driving circuit includes: a frequency doubling control circuit and an effective output circuit including first shift registers, the first shift register at the first stage has a first signal input terminal coupled with an output control signal line and a second signal input terminal coupled with the frequency doubling control circuit; the frequency doubling control circuit is coupled to the output control signal line, for providing a frequency doubling control signal thereto after a preset time period from the receipt of the output control signal in response to an output control signal from the output control signal line; the first shift register at the first stage outputs a scanning signal in response to the output control signal and a scanning signal in response to the frequency doubling control signal.

公开(公告)号：US11798458B2

公开(公告)日：2023-10-24

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: G09G3/3266 ,  G09G3/20

CPC classification number: G09G3/2092 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2310/0267 ,  G09G2330/021

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：US11574965B2

公开(公告)日：2023-02-07

申请号：US17005701

申请日：2020-08-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Mei Li

IPC: H01L27/32 ,  H01L27/12 ,  H01L31/0224 ,  H01L27/146 ,  H01L31/14 ,  H01L31/16 ,  H01L31/18 ,  H01L27/144 ,  H01L31/02

Abstract: The present disclosure provides a photodiode, a display substrate, and manufacturing methods thereof, and a display device. The method for manufacturing the photodiode includes: forming a semiconductor material layer on a base substrate in a non-display region of a display substrate, the semiconductor material layer including a first contact area, a second contact area, and a semiconductor area sandwiched therebetween; processing the first contact area of the semiconductor material layer to form a first contact electrode; processing portions of the semiconductor material layer and the second contact area away from the base substrate in the semiconductor area, to form a first semiconductor layer and a second semiconductor layer stacked, the second semiconductor layer being located on a side of the first semiconductor layer away from the base substrate; and processing the second semiconductor layer in the second contact area to form a second contact electrode.

公开(公告)号：US12048216B2

公开(公告)日：2024-07-23

申请号：US17428629

申请日：2020-10-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Mei Li ,  Tian Dong ,  Li Wang

IPC: H10K59/13 ,  H10K59/121 ,  H10K59/131 ,  H10K59/35

CPC classification number: H10K59/353 ,  H10K59/1216 ,  H10K59/131 ,  H10K59/351 ,  H10K59/352 ,  G09G2300/0426 ,  G09G2310/0205

Abstract: An array substrate is provided. The array substrate includes a plurality of subpixels arranged in an array comprising M rows and N columns. The array substrate includes a respective first subpixel in a (2n−1)-th column and in a (2m−1)-th row; a respective second subpixel in a (2n−1)-th column and in a (2m)-th row; a respective third subpixel in a (2n)-th column and in a (2m)-th row; and a respective fourth subpixel in a (2n)-th column and in a (2m−1)-th row.

公开(公告)号：US20220302219A1

公开(公告)日：2022-09-22

申请号：US17428629

申请日：2020-10-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Mei Li ,  Tian Dong ,  Li Wang

IPC: H01L27/32

Abstract: An array substrate is provided. The array substrate includes a plurality of subpixels arranged in an array comprising M rows and N columns. The array substrate includes a respective first subpixel in a (2n−1)-th column and in a (2m−1)-th row; a respective second subpixel in a (2n−1)-th column and in a (2m)-th row; a respective third subpixel in a (2n)-th column and in a (2m)-th row; and a respective fourth subpixel in a (2n)-th column and in a (2m−1)-th row.

公开(公告)号：US11264430B2

公开(公告)日：2022-03-01

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.

公开(公告)号：US12089446B2

公开(公告)日：2024-09-10

申请号：US17599007

申请日：2021-02-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuhan Qian ,  Libin Liu ,  Jiangnan Lu ,  Mei Li ,  Shiming Shi ,  Jie Zhang

IPC: H01L29/08 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K59/121 ,  H10K59/131 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K59/1213 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K59/1216 ,  H10K59/131 ,  H10K71/00 ,  H10K59/1201

Abstract: A display substrate includes: a base substrate; a light-emitting unit in each pixel region and including a first electrode, an organic light-emitting layer, and a second electrode sequentially disposed in a direction away from the base substrate; an auxiliary conductive layer between the light-emitting unit and the base substrate; a pixel circuit in each pixel region and including a driving transistor. The auxiliary conductive layer is on a side of the pixel circuit away from the base substrate, the second electrode has a portion extending out of the pixel region and coupling to the auxiliary conductive layer through a via hole not overlapping the pixel region, the auxiliary conductive layer is insulated and spaced apart from the first electrode and has a mesh or chain shape, and a material of the auxiliary conductive layer is the same as a material of the first and second electrodes of the driving transistor.

公开(公告)号：US11925082B2

公开(公告)日：2024-03-05

申请号：US17621861

申请日：2021-01-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Mei Li ,  Tian Dong ,  Li Wang ,  Guangliang Shang ,  Can Zheng

IPC: H10K59/131 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/121 ,  H10K102/00

CPC classification number: H10K59/131 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/121 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/0214 ,  G09G2320/0247 ,  G09G2330/02 ,  G09G2330/021 ,  H10K2102/302

Abstract: A display panel and a display device are provided. The display panel includes: a pixel unit including a pixel circuit and a light-emitting element, the pixel circuit including a first transistor, the pixel unit including a first pixel unit and a second pixel unit located in a same row and adjacent columns; a first gate line and a second gate line, connected to gate electrodes of the first transistors of the first pixel unit and the second pixel unit; a first gate signal line, connected to the first pixel unit; a second gate signal line, connected to the second pixel unit; a first connection line connected with the first gate signal line through the first connection line; and a second connection line connected with the second gate signal line through the second connection line.