公开(公告)号：US11961582B2

公开(公告)日：2024-04-16

申请号：US17828425

申请日：2022-05-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guangliang Shang ,  Xinshe Yin ,  Qian Yang ,  Libin Liu ,  Shiming Shi ,  Dawei Wang

IPC: G09G3/36 ,  G09G3/20 ,  G11C7/10 ,  G11C7/14 ,  G11C7/22 ,  G11C19/28

CPC classification number: G11C7/1036 ,  G11C7/1063 ,  G11C7/109 ,  G11C7/14 ,  G11C7/222 ,  G11C19/28

Abstract: Embodiments of the present disclosure disclose a shift register unit, a driving method thereof, and a device. The shift register unit includes an input circuit, a node control circuit, a first control output circuit, a second control output circuit and an output circuit. By providing the first control output circuit and the second control output circuit, the first control output circuit and the second control output circuit may operate alternately, so that the first control output circuit and the second control output circuit may have time for characteristics recovery respectively, thus improving the service life and output stability of the shift register unit.

公开(公告)号：US11956906B2

公开(公告)日：2024-04-09

申请号：US16955442

申请日：2019-07-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Penghao Gu ,  Chunyan Xie ,  Shiming Shi

IPC: H05K5/00 ,  B32B3/30 ,  B32B7/022 ,  B32B7/12 ,  B32B17/10 ,  B32B27/08 ,  B32B27/28 ,  B32B27/36

CPC classification number: H05K5/0017 ,  B32B3/30 ,  B32B7/022 ,  B32B7/12 ,  B32B17/10 ,  B32B27/08 ,  B32B27/281 ,  B32B27/36 ,  B32B2255/10 ,  B32B2307/51 ,  B32B2307/732 ,  B32B2457/20

Abstract: Provided are a backboard support structure, a preparation method therefor, and a display device. The display device includes a display substrate and a backboard support structure; the backboard support structure includes a substrate support film and an adhesive layer arranged in a laminated manner. The backboard support structure is bonded to the non-display side of the display substrate via the adhesive layer, and includes a first bendable region and a first non-bent region. The adhesive layer includes a first portion located in the first bendable region and a second portion located in the first non-bent region; the first portion has a modulus of elasticity of about 1 Kpa-150 Kpa, the second portion has a modulus of elasticity of about 150 Kpa-250 Kpa, and the substrate support film has a modulus of elasticity of about 1 Gpa-10 Gpa.

公开(公告)号：US20240112636A1

公开(公告)日：2024-04-04

申请号：US18262598

申请日：2022-08-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhenzhen Shan ,  Libin Liu ,  Jiangnan Lu ,  Shiming Shi

IPC: G09G3/3258

CPC classification number: G09G3/3258 ,  G09G2300/0852 ,  G09G2310/061 ,  G09G2310/08 ,  G09G2320/0247 ,  G09G2330/021

Abstract: A display substrate includes a pixel driving circuit, which includes a driving circuit, a storage circuit and a reset circuit. The reset circuit is electrically connected to a first terminal of the driving circuit. The driving circuit is used to conduct a path between the first terminal and a second terminal of the driving circuit under the control of a potential at its control terminal. The storage circuit is electrically connected to the control terminal of the driving circuit. The reset circuit includes a first capacitor. The storage circuit includes a second capacitor. An area of an overlap between orthographic projections of a first electrode plate and a second electrode plate of the first capacitor on the base substrate is smaller than that of the second capacitor on the base substrate.

公开(公告)号：US11950445B2

公开(公告)日：2024-04-02

申请号：US16957768

申请日：2019-08-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD

Inventor： Zhao Li ,  Shiming Shi

IPC: H10K50/84 ,  H10K50/844 ,  H10K59/40 ,  G09F9/30 ,  H10K50/842 ,  H10K102/00

CPC classification number: H10K50/844 ,  H10K59/40 ,  G09F9/301 ,  G09G2380/02 ,  H10K50/8426 ,  H10K50/8445 ,  H10K2102/311

Abstract: A foldable display screen includes a display panel, a first optical adhesive layer, a first cover protection layer, a second optical adhesive layer, and a second cover protection layer; the first optical adhesive layer is located on the display panel; the first cover protection layer is located on a side of the first optical adhesive layer away from the display panel; the second optical adhesive layer is located on a side of the first cover protection layer away from the first optical adhesive layer; the second cover protection layer is located on a side of the second optical adhesive layer away from the first cover protection layer. At an operating temperature, an elastic modulus of the second optical adhesive layer is smaller than an elastic modulus of the first optical adhesive layer.

公开(公告)号：US11900883B2

公开(公告)日：2024-02-13

申请号：US17630634

申请日：2021-03-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guangliang Shang ,  Can Zheng ,  Jiangnan Lu ,  Yuhan Qian ,  Li Wang ,  Libin Liu ,  Shiming Shi ,  Dawei Wang

IPC: G11C19/28 ,  G09G3/3266

CPC classification number: G09G3/3266 ,  G11C19/28 ,  G09G2310/0286

Abstract: A shift register unit, a method for driving a shift register unit, a gate driving circuit, and a display device are provided. The shift register unit includes: a second noise reduction control circuit. The second noise reduction control circuit includes: a first control circuit, configured to transmit a first voltage to a second noise reduction control node; a first coupling circuit, configured to store a level of the second noise reduction control node and adjust the level of the second noise reduction control node; a second coupling circuit, configured to reduce an adjustment magnitude of the first coupling circuit in case of adjusting the level of the second noise reduction control node; a transmission circuit, configured to connect the first noise reduction control node and the second noise reduction control node; and a storage circuit, configured to store the level of the first noise reduction control node.

公开(公告)号：US11830886B2

公开(公告)日：2023-11-28

申请号：US18125171

申请日：2023-03-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueyan Tian ,  Shiming Shi ,  Shuangliang Qin

IPC: H01L27/12 ,  H01L29/786 ,  H10K59/126 ,  H10K71/00 ,  H10K59/12 ,  H10K71/80 ,  H10K102/00

CPC classification number: H01L27/1266 ,  H01L29/78633 ,  H10K59/126 ,  H10K71/00 ,  H01L27/1218 ,  H10K59/1201 ,  H10K71/80 ,  H10K2102/311

Abstract: A flexible array substrate, a manufacturing method thereof and a display device are provided. The flexible array substrate includes: a first flexible substrate with a first surface; a thin film transistor on the first surface; and a light-shielding layer between the first flexible substrate and the thin film transistor. An orthographic projection of the light-shielding layer on the first flexible substrate covers an orthographic projection of a channel region of the thin film transistor on the first flexible substrate.

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.

公开(公告)号：US11592918B2

公开(公告)日：2023-02-28

申请号：US16931713

申请日：2020-07-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lingran Wang ,  Tian Dong ,  Shiming Shi

IPC: G06F3/041

Abstract: The present disclosure provides a flexible touch panel and a display device. The flexible touch panel includes a flexible substrate baseplate, and a touch electrode layer including a plurality of touch electrodes arranged on the flexible substrate baseplate. The flexible touch panel includes at least one bendable area, and at least one of the plurality of touch electrodes has a cutoff region within the bendable area to disconnect the touch electrode.

公开(公告)号：US11538395B2

公开(公告)日：2022-12-27

申请号：US17256233

申请日：2020-03-18

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guangliang Shang ,  Jiangnan Lu ,  Can Zheng ,  Hao Zhang ,  Long Han ,  Libin Liu ,  Shiming Shi ,  Dawei Wang

IPC: G09G3/20 ,  G11C19/28

Abstract: A shift register unit includes an input circuit, a first control circuit, a second control circuit and an output circuit. The input circuit is configured to provide signals of the signal input terminal to the first control node, and provide signals of the first power supply terminal or the first clock signal terminal to the second control node. The first control circuit is configured to provide signals of the second power supply terminal or the second clock signal terminal to the first output terminal. The second control circuit is configured to provide signals of the first power supply terminal to the second output terminal. The output circuit is configured to provide signals of the second power supply terminal to the second output terminal.

公开(公告)号：US11526222B2

公开(公告)日：2022-12-13

申请号：US16959362

申请日：2019-08-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhao Li ,  Shiming Shi

IPC: G06F3/041 ,  H01L27/32 ,  H01L51/00 ,  H01L51/52 ,  C09J7/10

Abstract: A foldable display screen and an assembling method thereof, and a display apparatus are provided. The foldable display screen includes: a display panel; a touch sensing panel, located on a side of the display panel; a first optical adhesive layer, located on a side of the touch sensing panel away from the display panel; and a second optical adhesive layer, located between the display panel and the touch sensing panel; a thickness of the first optical adhesive layer and a thickness of the second optical adhesive layer are both 20 μm to 200 μm; and at a working temperature, an elastic modulus of the first optical adhesive layer and an elastic modulus of the second optical adhesive layer are both less than 1 Mpa.