公开(公告)号：US12075664B2

公开(公告)日：2024-08-27

申请号：US16971673

申请日：2019-11-04

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guoying Wang ,  Yicheng Lin ,  Ling Wang ,  Zhen Song ,  Pan Xu ,  Xing Zhang ,  Ying Han ,  Zhan Gao

IPC: H10K59/13 ,  H10K59/12 ,  H10K59/121 ,  H10K59/124 ,  H10K59/126 ,  H10K59/131 ,  H10K59/38

CPC classification number: H10K59/13 ,  H10K59/1213 ,  H10K59/124 ,  H10K59/126 ,  H10K59/131 ,  H10K59/38 ,  H10K59/1201

Abstract: A display substrate having a plurality of subpixels is provided. A respective one of the plurality of subpixels includes a light emitting element; a first thin film transistor configured to driving light emission of the light emitting element; and a light emitting brightness value detector. The light emitting brightness value detector includes a second thin film transistor; and a photosensor electrically connected to the second thin film transistor and configured to detect a light emitting brightness value. The display substrate further includes a silicon organic glass layer on a side of at least one of the first thin film transistor or the second thin film transistor away from a base substrate; and the photosensor is on a side of the silicon organic glass layer away from the base substrate.

公开(公告)号：US20240155893A1

公开(公告)日：2024-05-09

申请号：US18261880

申请日：2022-09-06

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ying Han ,  Pan Xu ,  Xing Zhang ,  Chengyuan Luo ,  Donghui Zhao ,  Mingi Chu

IPC: H10K59/131 ,  G09G3/3233

CPC classification number: H10K59/131 ,  G09G3/3233 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/08 ,  G09G2320/0233

Abstract: A display substrate includes: a base substrate, a plurality of pixel units and a plurality of initialization voltage signal lines. The pixel units are arranged in an array to form a plurality of rows of pixel units and a plurality of columns of pixel units, at least one pixel unit includes sub-pixels, and at least one sub-pixel includes a light-emitting element and a pixel driving circuit. The initialization voltage signal lines are configured to provide initialization voltage signals to the plurality of rows of pixel units respectively, and are arranged at intervals along a second direction. At least one initialization voltage signal line extends along a first direction. The plurality of rows of pixel units include a (2n−1)th row and a 2nth row and pixel driving circuits of the (2n−1)th row and pixel driving circuits of the 2nth rows share a common initialization voltage signal line.

公开(公告)号：US11935469B2

公开(公告)日：2024-03-19

申请号：US17620195

申请日：2020-12-23

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

Inventor： Xuehuan Feng ,  Yongqian Li ,  Pan Xu ,  Zhongyuan Wu

IPC: G09G3/3275 ,  G09G3/3233 ,  G09G3/3266

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/0233 ,  G09G2320/0257

Abstract: A pixel circuit array, a display panel, a method for driving a pixel circuit array, and a method for driving a display panel are provided. The pixel circuit array may include: a first signal sensing line (SENSE1) and a second signal sensing line (SENSE2); and N pixel circuits arranged in a column. All of the N pixel circuits are divided into a first group and a second group, each pixel circuit in the first group is coupled to the first signal sensing line (SENSE1), and each pixel circuit in the second group is coupled to the second signal sensing line (SENSE2) different from the first signal sensing line (SENSE1), where N is a positive integer greater than 1.

公开(公告)号：US20240038142A1

公开(公告)日：2024-02-01

申请号：US18042342

申请日：2022-05-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ying Han ,  Pan Xu ,  Xing Zhang ,  Chengyuan Luo ,  Donghui Zhao

IPC: G09G3/32 ,  H01L27/12

CPC classification number: G09G3/32 ,  H01L27/124 ,  G09G2300/0842 ,  G09G2310/0262 ,  G09G2300/0408 ,  G09G2320/02 ,  G09G2310/08 ,  H01L27/1222

Abstract: A display panel includes: a plurality of pixel circuits arranged on base substrate, at least one pixel circuit includes a drive transistor and a first switch transistor; an active layer arranged on base substrate and including a first active portion and a second active portion, the first active portion is configured to form a channel portion of the drive transistor, the second active portion is configured to form a second electrode connection portion of the first switch transistor; and a first conductive layer arranged on a side of the active layer away from the base substrate, the first conductive layer includes a first conductive portion, a portion of the first conductive portion is used to form a gate electrode of the drive transistor, another portion is electrically connected to the second active portion and a channel length of the channel portion of the drive transistor is greater than a channel width.

公开(公告)号：US11887527B2

公开(公告)日：2024-01-30

申请号：US17921585

申请日：2021-05-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pan Xu ,  Yicheng Lin ,  Guoying Wang ,  Xing Zhang ,  Ying Han ,  Zhan Gao ,  Dacheng Zhang

IPC: G09G3/20 ,  G09F9/30

CPC classification number: G09G3/2092 ,  G09F9/30 ,  G09G3/20 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2310/0267 ,  G09G2320/0223

Abstract: A special-shaped display panel includes: a special-shaped display area (S) having gate lines (G), some of the gate lines (G) being cut off in a non-display sub-area (S2) of the special-shaped display area (S); a first gate drive circuit set (A1) located on one side of the special-shaped display area (S), electrically connected to one ends of gate lines (G) which are not cut off by the non-display sub-area (S2), and electrically connected to gate lines (G) on one side which are cut off by the non-display sub-area (S2); and a second gate drive circuit set (A2) located on the other side of the special-shaped display area (S), electrically connected to the other ends of gate lines (G) which are not cut off by the non-display sub-area (S2), and electrically connected gate lines (G) on the other side which are cut off by the non-display sub-area (S2).

公开(公告)号：US20240023399A1

公开(公告)日：2024-01-18

申请号：US18259460

申请日：2022-09-06

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ying Han ,  Pan Xu ,  Xing Zhang ,  Guoying Wang ,  Chengyuan Luo ,  Mingi Chu ,  Dacheng Zhang

IPC: H10K59/35 ,  H10K59/122 ,  H10K59/80

CPC classification number: H10K59/351 ,  H10K59/352 ,  H10K59/122 ,  H10K59/8792

Abstract: A display substrate, including a base substrate, a plurality of pixel units, and a pixel definition layer. The pixel unit includes a first sub-pixel, a second sub-pixel, a third sub-pixel, and a fourth sub-pixel. The fourth sub-pixel is a white sub-pixel, and any two of the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel display different colors. In at least one pixel unit, at least one of the first sub-pixel, the second sub-pixel and the third sub-pixel is located in a different row from the fourth sub-pixel. In at least one pixel unit, each of orthographic projections of a first opening of the first sub-pixel, a second opening of the second sub-pixel and a third opening of the third sub-pixel on the base substrate has an area less than that of a fourth opening of the fourth sub-pixel on the base substrate.

公开(公告)号：US11758780B2

公开(公告)日：2023-09-12

申请号：US17273290

申请日：2020-05-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pan Xu ,  Yicheng Lin ,  Ling Wang ,  Guoying Wang ,  Xing Zhang ,  Ying Han

IPC: H01L27/32 ,  H10K59/131 ,  G09G3/3233 ,  G09G3/3266 ,  G11C19/28 ,  H01L25/18

CPC classification number: H10K59/131 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0842 ,  G09G2310/0286 ,  G11C19/287 ,  H01L25/18

Abstract: Provided are a display substrate and display apparatus. The display substrate includes a display region and non-display region; base substrate, driving structure layer and wiring layer. The driving structure layer located in the display region includes a first power supply line, data signal line and reference signal line extending along a first direction; the wiring layer located in the non-display region includes a first power supply wiring electrically connected to first power supply line and located on first side of the display region, a data wiring located on second side, different from the first side, of the display region, and a reference wiring located on second side of the display region. For the first power supply line, data signal line and reference signal line with the same length, resistance of first power supply line is greater than that of the data signal line and that of the reference signal line.

公开(公告)号：US11322713B2

公开(公告)日：2022-05-03

申请号：US16818246

申请日：2020-03-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pan Xu

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/56

Abstract: The present disclosure provides a display substrate, a manufacturing method thereof, and a display device. The display substrate includes: a backplane; a transistor layer on a side of the backplane; a first planarization layer on a side of the transistor layer away from the backplane; an auxiliary cathode layer on a side of the first planarization layer away from the transistor layer; a second planarization layer on a side of the auxiliary cathode layer away from the first planarization layer; and a light-emitting element layer on a side of the second planarization layer away from the auxiliary cathode layer. The light-emitting element layer includes a primary cathode layer electrically connected to the auxiliary cathode layer.

公开(公告)号：US11315960B2

公开(公告)日：2022-04-26

申请号：US16097875

申请日：2018-03-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Can Yuan ,  Zhenfei Cai ,  Yongqian Li ,  Pan Xu ,  Zhidong Yuan ,  Meng Li ,  Xuehuan Feng

IPC: H01L27/12 ,  H01L29/786 ,  H01L27/32

Abstract: A thin film transistor structure and a manufacturing method thereof, a circuit structure, a display substrate and a display device are provided. The thin film transistor structure includes: a base plate, and a first thin film transistor and a second thin film transistor stacked on the base plate. The first thin film transistor and the second thin film transistor share a same active layer.

公开(公告)号：US11308889B2

公开(公告)日：2022-04-19

申请号：US16329352

申请日：2018-08-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Danna Song ,  Yi Cheng Lin ,  Pan Xu ,  Zhongyuan Wu

IPC: G09G3/3291 ,  G09G3/3258 ,  G09G3/00

Abstract: A detection method of a pixel circuit, a driving method of a display panel, and a display device are disclosed. The pixel circuit includes a driving transistor; and the detection method of the pixel circuit includes: in the first charge cycle, applying a first data voltage to a gate electrode of the driving transistor, acquiring a first sensing voltage at a first electrode of the driving transistor within the first duration after the application of the first data voltage and before the driving transistor is switched off, and determining whether the first sensing voltage is equal to reference sensing voltage.