公开(公告)号：US12020624B2

公开(公告)日：2024-06-25

申请号：US17731672

申请日：2022-04-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhenzhen Li ,  Kuo Sun ,  Lujiang Huangfu ,  Shanshan Bai

IPC: G09G3/20 ,  G07F17/32 ,  G07F17/34

CPC classification number: G09G3/2074 ,  G07F17/3213 ,  G07F17/3218 ,  G07F17/3225 ,  G07F17/3244 ,  G07F17/3267 ,  G07F17/34 ,  G09G2300/0452 ,  G09G2320/0233

Abstract: A display substrate, a method for driving the same, a display device, and a fine metal mask are provided, and a display area of the display substrate includes a first display sub-area in which pixels are distributed at a high density, and a second display sub-area in which pixels are distributed at a low density.

公开(公告)号：US12001035B2

公开(公告)日：2024-06-04

申请号：US18140699

申请日：2023-04-28

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

Inventor： Fengli Ji ,  Chang Luo ,  Jianpeng Wu ,  Lujiang Huangfu

IPC: G02B5/20 ,  G02F1/1343 ,  G02F1/136 ,  G02F1/1362 ,  G09F9/302 ,  G09F9/33 ,  H10K59/35

CPC classification number: G02B5/201 ,  G02F1/134309 ,  G02F1/136 ,  G02F1/1362 ,  G09F9/302 ,  G09F9/3023 ,  G09F9/33 ,  H10K59/353 ,  G02F1/134345

Abstract: A display substrate and a display device are provided. The display substrate includes a plurality of repeat units. Each of the plurality of repeat units includes one first-color sub-pixel, one second-color sub-pixel pair and one third-color sub-pixel which are arranged in a first direction, the second-color sub-pixel pair includes two second-color sub-pixels arranging in a second direction. In three sub-pixels of different colors which are adjacent to each other, orthographic projections of light-emitting layers of at least two sub-pixels adjacent to each other on the base substrate are overlapped or connected, and a spacing is disposed between at least part of the light-emitting layers of two sub-pixels which are adjacent to each other.

公开(公告)号：US11978396B2

公开(公告)日：2024-05-07

申请号：US17636374

申请日：2021-03-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin Liu ,  Li Wang ,  Yu Feng ,  Lujiang Huangfu

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2330/021

Abstract: Embodiments of the present disclosure provide an array substrate and related display panel and display device. An array substrate, comprises: a substrate; a plurality of sub-pixels arranged in multiple rows and multiple columns provided on the substrate, at least one of the plurality of sub-pixels comprising pixel circuits, each of the pixel circuits comprising a driving circuit, a voltage stabilizing circuit, and a driving reset circuit, wherein the driving circuit is configured to provide a driving current to a light-emitting device, the voltage stabilizing circuit comprises a first voltage stabilizing circuit and a second voltage stabilizing circuit, the first voltage stabilizing circuit is configured to conduct a control terminal of the driving circuit with the driving reset circuit, the second voltage stabilizing circuit is configured to stabilize a voltage at the control terminal of the driving circuit, and the driving reset circuit is configured to reset the control terminal of the driving circuit.

公开(公告)号：US11910684B2

公开(公告)日：2024-02-20

申请号：US17890427

申请日：2022-08-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongli Wang ,  Lujiang Huangfu

IPC: H10K59/35 ,  H10K71/00

CPC classification number: H10K59/353 ,  H10K71/00

Abstract: A pixel arrangement structure, a display method and a preparing method of a pixel arrangement structure, and a display substrate are provided. The pixel arrangement structure includes first color sub-pixel blocks, second color sub-pixel blocks, and third color sub-pixel blocks. Each of the plurality of minimum repeating regions has a rectangular shape and includes a first virtual rectangle, and the first virtual rectangle includes one first color sub-pixel block, one second color sub-pixel block and one third color sub-pixel block. Any edge of the first virtual rectangle has a non-zero included angle with a first direction, and the first direction is a row direction or a column direction. The first color sub-pixel block is on a perpendicular bisector of the first edge, the second color sub-pixel block and the third color sub-pixel block are on different sides of the perpendicular bisector of the first edge.

公开(公告)号：US11881176B2

公开(公告)日：2024-01-23

申请号：US18150873

申请日：2023-01-06

Applicant: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yi Zhang ,  Kai Zhang ,  Minghua Xuan ,  Young Yik Ko ,  Lujiang Huangfu

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/131 ,  G09G3/3208 ,  G09G3/3233

CPC classification number: G09G3/3258 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/0204 ,  G09G2320/045 ,  G09G2320/0693 ,  H10K59/131

Abstract: A pixel circuit, a display panel, a display device, and a driving method. The pixel circuit includes a light emitting element, a driving transistor, a light emitting control circuit, a reset circuit, a threshold compensation circuit, a first data write circuit, and an initializing circuit. The reset circuit includes a first transistor, the first data write circuit includes a third transistor, and a channel length-width ratio of the first transistor is greater than a channel length-width ratio of the third transistor.

公开(公告)号：US11800752B2

公开(公告)日：2023-10-24

申请号：US17057027

申请日：2020-03-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lujiang Huangfu ,  Xing Fan ,  Hao Gao ,  Hao Zhang ,  Qiuhua Meng ,  Na Li ,  Yansong Li

IPC: H01L27/32 ,  H10K59/122

CPC classification number: H10K59/122

Abstract: A pixel structure includes: a pixel definition layer having a first side and a second side which are opposite to each other in a thickness direction of the pixel definition layer, the pixel definition layer including a pixel opening having sidewalls; an island-shaped portion disposed in the pixel opening of the pixel definition layer and spaced apart from the sidewalls of the pixel opening, the island-shaped portion having sidewalls, and the sidewalls of the pixel opening and the sidewalls of the island-shaped portion defining a ring-shaped pixel groove; and a light emitting unit, at least a part of which is disposed in the ring-shaped pixel groove.

公开(公告)号：US11776452B2

公开(公告)日：2023-10-03

申请号：US17992458

申请日：2022-11-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhenzhen Li ,  Lujiang Huangfu ,  Shanshan Bai ,  Kuo Sun

IPC: G09G3/20

CPC classification number: G09G3/2074 ,  G09G2320/0673 ,  G09G2320/0686 ,  G09G2340/0407

Abstract: A display substrate, a method for driving the same, a display device, and a high-precision metal mask are provided. The display area includes a first display sub-area in which pixels are distributed at a high density (e.g., a high resolution), and a second display sub-area in which pixels are distributed at a low density (e.g., a low resolution), and a transition display sub-area, with a distribution density of pixels (a resolution) between the distribution density of pixels in the first display sub-area and a distribution density of pixels in the second display sub-area, is arranged between the first display sub-area and the second display sub-area.

公开(公告)号：US20230301143A1

公开(公告)日：2023-09-21

申请号：US18320373

申请日：2023-05-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lujiang Huangfu ,  Xing Fan ,  Hao Gao ,  Hao Zhang ,  Qiuhua Meng ,  Na Li ,  Yansong Li

IPC: H10K59/122

CPC classification number: H10K59/122

Abstract: A display apparatus is provided, including a plurality of light-emitting units disposed on a substrate. Each light-emitting unit includes a first electrode layer, an organic light-emitting layer and a second electrode layer arranged in sequence along a first direction, and has a first light-emitting region, an island-shaped region and a second light-emitting region continuously arranged in sequence along a second direction. The first direction is a direction perpendicular to the substrate, and the second direction is a direction parallel to the substrate. The first electrode layer continuously extends in the first light-emitting region, the island-shaped region and the second light-emitting region, and the first electrode layer is formed with a first protrusion portion in the island-shaped region.

公开(公告)号：US11747531B2

公开(公告)日：2023-09-05

申请号：US17880874

申请日：2022-08-04

Applicant: Chengdu BOE Optoelectronics Technology Co., Ltd. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Fengli Ji ,  Chang Luo ,  Jianpeng Wu ,  Lujiang Huangfu

IPC: G02B5/20 ,  G09F9/33 ,  G09F9/302 ,  G02F1/1343 ,  G02F1/136 ,  G02F1/1362 ,  H10K59/35

CPC classification number: G02B5/201 ,  G02F1/136 ,  G02F1/1362 ,  G02F1/134309 ,  G09F9/302 ,  G09F9/3023 ,  G09F9/33 ,  H10K59/353 ,  G02F1/134345

Abstract: A display substrate, a fine metal mask set and a manufacturing method thereof are provided. The display substrate includes a plurality of repeat units. Each of the plurality of repeat units includes one first-color sub-pixel, one second-color sub-pixel pair and one third-color sub-pixel which are arranged in a first direction, the second-color sub-pixel pair includes two second-color sub-pixels arranging in a second direction. Light-emitting layers of adjacent sub-pixels of two different colors in the first direction are connected with each other; light-emitting layers of the third-color sub-pixel and the second-color sub-pixel which are adjacent to each other in the second direction are connected with each other; and a spacing is disposed between the light-emitting layer of the first-color sub-pixel and the light-emitting layer of at least one of the second-color sub-pixel and the third-color sub-pixel which are adjacent to the first-color sub-pixel in the second direction.

公开(公告)号：US11688343B2

公开(公告)日：2023-06-27

申请号：US17626474

申请日：2021-01-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Can Zheng ,  Jianchao Zhu ,  Lujiang Huangfu ,  Libin Liu ,  Shiming Shi

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/043 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0297 ,  G09G2310/08 ,  G09G2320/0242 ,  G09G2320/0257 ,  G09G2320/045 ,  G09G2330/021

Abstract: In a pixel driving circuit, a compensation sub-circuit is respectively coupled to a first control terminal, a control terminal and a second terminal of the driving sub-circuit; a first terminal of the first coupling sub-circuit is coupled to the control terminal of the driving sub-circuit; a first terminal of the second coupling sub-circuit is coupled to a second terminal of the first coupling sub-circuit; a first reset sub-circuit is respectively coupled to a second control terminal, the control terminal of the driving sub-circuit and an initialization signal output terminal; a second reset sub-circuit is respectively coupled to a third control terminal, a second terminal of the first coupling sub-circuit and the first level signal output terminal; a first light emitting control sub-circuit is respectively coupled to a light emitting control terminal, a second terminal of the second coupling sub-circuit and a reference signal output terminal.