公开(公告)号：US12245471B2

公开(公告)日：2025-03-04

申请号：US17788387

申请日：2021-08-04

Applicant: BOE Technology Group Co., Ltd.

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

IPC: H01L27/14 ,  H01L27/12 ,  H10K50/86 ,  H10K59/121 ,  H10K59/13 ,  H10K59/131

Abstract: The display substrate includes: a substrate; a plurality of pixel units on the substrate, each pixel unit includes a plurality of sub-pixels, each sub-pixel includes a light-emitting element and a pixel drive circuit; a photosensitive circuit on the substrate; a first conductive film layer on the substrate. The pixel drive circuit includes a drive transistor, a gate electrode of the drive transistor is located on a side of a drive active layer away from the substrate, an orthographic projection of the gate electrode of the drive transistor on the substrate at least partially overlaps an orthographic projection of the drive active layer on the substrate. The first conductive film layer includes a first light-shielding portion between the substrate and the drive active layer, and an orthographic projection of the first light-shielding portion on the substrate at least partially overlaps the orthographic projection of the drive active layer on the substrate.

公开(公告)号：US12082436B2

公开(公告)日：2024-09-03

申请号：US17279771

申请日：2020-06-02

Applicant: BOE Technology Group Co., Ltd.

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

IPC: H10K50/824 ,  H10K50/828 ,  H10K59/12 ,  H10K59/122 ,  H10K71/00

CPC classification number: H10K50/824 ,  H10K50/828 ,  H10K59/122 ,  H10K71/00 ,  H10K59/1201

Abstract: The present disclosure provides a display substrate, including: a base substrate, which includes a display region and a driving region arranged on at least one side of the display region; a first electrode layer disposed in the display region; a signal output part disposed in the driving region, the first electrode layer is electrically coupled to the signal output part, the first electrode layer comprises a plurality of electrode regions each having a same area; and a plurality of auxiliary electrodes, which are in one-to-one correspondence with the plurality of electrode regions and configured to be coupled in parallel with the first electrode layer, a resistance of each auxiliary electrode is inversely correlated with a minimum distance from the electrode region corresponding to said each auxiliary electrode to the signal output part. The present disclosure further provides a display panel and a manufacturing method thereof and a display device.

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：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：US11296299B2

公开(公告)日：2022-04-05

申请号：US16757081

申请日：2019-09-06

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying Wang ,  Zhen Song ,  Yicheng Lin ,  Ling Wang ,  Pan Xu

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/00 ,  H01L51/56 ,  G09G3/3208

Abstract: The present disclosure relates to a display panel, a display device, and a method of manufacturing the display panel. The display panel includes a first substrate and a second substrate opposite to each other, a bonding portion that bonds a first peripheral region of the first substrate and a second peripheral region of the second substrate, and a protrusion disposed on at least one of the first peripheral region of the first substrate and the second peripheral region of the second substrate, wherein the protrusion is embedded in the bonding portion.

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：US11217160B2

公开(公告)日：2022-01-04

申请号：US16331673

申请日：2018-08-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Cuili Gai ,  Yicheng Lin ,  Baoxia Zhang ,  Ling Wang ,  Quanhu Li ,  Pan Xu

IPC: G09G3/3233

Abstract: A pixel circuit includes a data writing sub-circuit inputs a signal input via a second signal terminal to a compensating sub-circuit and a driving sub-circuit under control of a signal from a first signal terminal, the compensating sub-circuit compensates a threshold voltage of the driving sub-circuit according to a signal output from the data writing sub-circuit under control of a signal from a third signal terminal, a light-emitting control sub-circuit inputs a signal from a first voltage terminal to the driving sub-circuit and the compensating sub-circuit under control of a signal from a fourth signal terminal, the driving sub-circuit configured to generate and input a driving current to a light-emitting sub-circuit according to a signal output from the light-emitting control sub-circuit and a signal output from the data writing sub-circuit, and the light-emitting sub-circuit configured to emit light according to the driving current under control of a second voltage terminal.

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：US20210225962A1

公开(公告)日：2021-07-22

申请号：US16632184

申请日：2018-11-20

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ling Wang ,  Xue Dong ,  Yicheng Lin ,  Cuili Gai ,  Pan Xu

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

Abstract: A display substrate includes a base substrate; and a plurality of light emitting brightness value detectors on the base substrate. Each of the plurality of light emitting brightness value detectors includes a first thin film transistor; a protection layer on a side of the first thin film transistor away from the base substrate; and a photosensor electrically connected to the first thin film transistor and configured to detect alight emitting brightness value. An orthographic projection of the protection layer on the base substrate covers an orthographic projection of at least a channel part of the first thin film transistor on the base substrate.

公开(公告)号：US10977992B2

公开(公告)日：2021-04-13

申请号：US16624276

申请日：2018-11-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yicheng Lin ,  Yu Wang ,  Ling Wang ,  Pan Xu ,  Cuili Gai ,  Baoxia Zhang ,  Guang Yan ,  Dongfang Yang

IPC: G09G3/3233

Abstract: A driving compensation method for a pixel circuit includes: in a compensation phase of the pixel circuit, providing a preset signal to the control terminal of the driving transistor to write the preset signal to the control terminal of the driving transistor, to write internal loss voltage of the driving transistor to the first terminal of the driving transistor; wherein the compensation phase includes a first external compensation phase and a second external compensation phase; in the first external compensation phase, the preset signal is a sum of a reference signal and a threshold voltage of the driving transistor; in the second external compensation phase, the preset signal is the sum of the data signal and the threshold voltage of the driving transistor.