公开(公告)号：US11574595B2

公开(公告)日：2023-02-07

申请号：US17649809

申请日：2022-02-03

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 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  H01L27/32

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：US11448807B2

公开(公告)日：2022-09-20

申请号：US16755970

申请日：2019-05-14

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

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

IPC: G02B5/20 ,  H01L27/32 ,  G09F9/33 ,  G09F9/302 ,  G02F1/1343 ,  G02F1/136 ,  G02F1/1362

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：US11417713B2

公开(公告)日：2022-08-16

申请号：US17170437

申请日：2021-02-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lujiang Huangfu ,  Libin Liu ,  Yipeng Chen

IPC: H01L27/32 ,  H01L27/11 ,  H01L27/01

Abstract: A substrate and a manufacturing method therefor, and an electronic device are provided. The substrate includes: a base substrate including a working region, and a non-working region outside of the working region, the non-working region including a peripheral circuit region near the working region and a non-circuit region away from the working region; a peripheral circuit in the peripheral circuit region; a common electrode lead in the non-working region; a common electrode; and a bridging conductive layer made of opaque conductive material in the non-working region and electrically connects the common electrode and the common electrode lead. An orthographic projection of the bridging conductive layer on the base substrate at least partially coincides with an orthographic projection of the peripheral circuit region on the base substrate, and bridging conductive layer is insulated from the peripheral circuit.

公开(公告)号：US20220254296A1

公开(公告)日：2022-08-11

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

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：US11362167B2

公开(公告)日：2022-06-14

申请号：US16913319

申请日：2020-06-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xin Li ,  Lujiang Huangfu ,  Xing Fan

IPC: H01L27/32 ,  G09G3/3225 ,  H01L27/12

Abstract: The present disclosure provides a display substrate, including a substrate, a first power line on the substrate, a second power line, and a plurality of pixel groups, each of which includes a plurality of pixels arranged in a first direction, the plurality of pixel groups are arranged in a second direction parallel to an extending direction of the first power line, the second direction is different from and intersects with the first direction, each of the plurality of pixels includes a light emitting unit having a first electrode and a second electrode, the first electrode of the light emitting unit is coupled to the first power line through an additional resistor with an additional resistance, and the second electrode of the light emitting unit is coupled to the second power line through an equivalent resistor with an equivalent resistance.

公开(公告)号：US11270646B2

公开(公告)日：2022-03-08

申请号：US17178841

申请日：2021-02-18

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 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  H01L27/32

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：US20220028348A1

公开(公告)日：2022-01-27

申请号：US17497630

申请日：2021-10-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Lujiang Huangfu ,  Zhenzhen Li ,  Wenjing Tan

IPC: G09G3/36

Abstract: A display apparatus is provided. The A display apparatus includes a plurality of subpixels, the plurality of subpixels comprising a plurality of first subpixels, a plurality of second subpixels, and a plurality of third subpixels. The plurality of third subpixels are arranged in an array of I columns and J rows. The display apparatus includes a plurality of repeating units. A respective repeating unit of the plurality of repeating units includes one of the plurality of first subpixels, one of the plurality of second subpixels, and two of the plurality third subpixels. The two of the plurality third subpixels in the respective repeating unit are arranged along a first direction or a second direction, the one of the plurality of first subpixels and the one of the plurality of second subpixels in the respective repeating unit are arranged along the second direction or the first direction.

公开(公告)号：US11233096B2

公开(公告)日：2022-01-25

申请号：US17108691

申请日：2020-12-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lujiang Huangfu ,  Xiaodan Jin ,  Yinan Liang ,  Zhenzhen Li ,  Wenjing Tan ,  Libin Liu ,  Qian Yang ,  Hongli Wang

IPC: H01L27/32 ,  G02F1/1343 ,  G09G3/20

Abstract: A pixel arrangement structure, including a plurality of repeating units, wherein each of the plurality of repeating units includes one first sub-pixel, one second sub-pixel, and two third sub-pixels; in each of the plurality of repeating units, the two third sub-pixels are arranged in one of a first direction and a second direction, and the first sub-pixel and the second sub-pixel are arranged in the other one of the first direction and the second direction; the plurality of repeating units are arranged in the first direction to form a plurality of repeating unit groups, the plurality of repeating unit groups are arranged in the second direction; and the first direction and the second direction are different directions.

公开(公告)号：US10950179B2

公开(公告)日：2021-03-16

申请号：US16882984

申请日：2020-05-26

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 ,  H01L27/32

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：US10909920B2

公开(公告)日：2021-02-02

申请号：US16309203

申请日：2018-03-20

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

Inventor： Jianchao Zhu ,  Lujiang Huangfu ,  Yunfei Li ,  Can Zheng ,  Libin Liu ,  Yipeng Chen

IPC: G09G3/3233 ,  G09G3/3266

Abstract: A pixel driving circuit and a driving method, and a display device are provided. The driving circuit includes: a first switching element, a second switching element, a third switching element, a fourth switching element, a fifth switching element, a driving transistor, a sixth switching element, a first storage capacitor and a second storage capacitor.