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：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：US11616100B2

公开(公告)日：2023-03-28

申请号：US16754810

申请日：2019-05-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ying Han ,  Jianye Zhang ,  Wei Li ,  Wei Liu ,  Xing Zhang ,  Ning Li ,  Jiangbo Chen

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

Abstract: A display panel includes a thin film transistor layer (4), a grating layer (3), a transparent anode layer (2), an emission layer (1), and a colored layer (6) opposite the emission layer (1). The colored layer (6) may include a plurality of color filters. The grating layer (3) may be between the thin film transistor layer (4) and the transparent anode layer (2). The grating layer (3) may include a plurality of blazed gratings corresponding to the plurality of color filters, respectively.

公开(公告)号：US11335893B2

公开(公告)日：2022-05-17

申请号：US16955195

申请日：2019-12-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ying Han ,  Wei Liu ,  Jianye Zhang ,  Fengjuan Liu ,  Xing Zhang

IPC: H01L51/56 ,  H01L27/32 ,  H01L51/00 ,  H01L51/52

Abstract: A manufacturing method of OLED microcavity structure is provided. The manufacturing method includes: forming a reflective anode on a substrate; forming a transparent conductive film layer having a thickness corresponding to a required pixel on the reflective anode; patterning the transparent conductive film layer and the reflective anode with a pixel mask corresponding to the required pixel to form a pattern of the required pixel; and repeating the above steps on a resultant structure surface according to display requirements until a pixel display structure required by a display device is obtained.

公开(公告)号：US20220037615A1

公开(公告)日：2022-02-03

申请号：US17297088

申请日：2020-10-22

Applicant: BOE Technology Group Co., Ltd.

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

IPC: H01L51/52 ,  H01L51/56

Abstract: A display substrate, a manufacturing method thereof, and a display panel. The display substrate includes a base, a first electrode, a first auxiliary cathode, a second electrode and a second auxiliary cathode, a pixel definition layer and a cathode. The first and second electrodes are located in the display area and the first and second auxiliary cathodes are located in the non-emitting area. The orthogonal projections of the first auxiliary cathode and the second auxiliary cathode on the base are in a mesh structure. The pixel definition layer is at least located in the non-emitting area. The cathode at least covers the display area and the cathode is arranged on one side of the pixel definition layer far away from the base; wherein the cathode, the first auxiliary cathode and the second auxiliary cathode are electrically connected.

公开(公告)号：US11183120B2

公开(公告)日：2021-11-23

申请号：US16648522

申请日：2019-03-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ling Wang ,  Pan Xu ,  Yi Cheng Lin ,  Xing Zhang ,  Ying Han ,  Guang Yan

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3291

Abstract: Disclosed are a pixel array substrate and a driving method thereof, a display panel, and a display device. The pixel array substrate includes a plurality of pixel units arranged in a plurality of pixel rows, and common electrodes distributed in the plurality of pixel rows. Each of the plurality of pixel units includes a light emitting element, first electrodes of light emitting elements of a plurality of pixel units in each of the plurality of pixel rows are electrically connected with each other to form a common electrode in the each of the plurality of pixel rows, and the common electrodes in the plurality of pixel rows are insulated from each other.

公开(公告)号：US10861916B2

公开(公告)日：2020-12-08

申请号：US16707331

申请日：2019-12-09

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei Liu ,  Ying Han

IPC: H01L27/32 ,  H01L51/52 ,  H01L33/42 ,  H01L33/36

Abstract: The present application provides a display substrate, a method of manufacturing the same and a display panel. The display substrate includes pixel units each including a light emitting region and a transparent display region. A light emitting element including a first electrode, a light emitting functional layer and a second electrode is provided in the light emitting region, and second electrodes of light emitting elements forms a second electrode layer having an integral structure. The display substrate further includes an auxiliary electrode in the light emitting region and an auxiliary connection member made of a transparent conductive material. A portion of the auxiliary connection member is in the light emitting region and electrically coupled with the auxiliary electrode and another portion thereof is in the transparent display region and electrically coupled with the second electrode layer.