公开(公告)号：US12205506B2

公开(公告)日：2025-01-21

申请号：US17781988

申请日：2021-03-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangnan Lu ,  Guangliang Shang ,  Libin Liu ,  Long Han ,  Yu Feng

IPC: G09G3/20 ,  G11C19/28

Abstract: A display substrate and a display device are provided. The display substrate includes a shift register unit, a first clock signal line and a first power line, the shift register unit includes a charge pump circuit, and the charge pump circuit includes a first capacitor, a first transistor and a second capacitor. The charge pump circuit is electrically connected with a first input node and a first node, respectively. A first electrode plate of the first capacitor is connected with the first clock signal line, a second electrode plate of the first capacitor is connected with the first input node, a first electrode plate of the second capacitor is connected with the first power line, a second electrode plate of the second capacitor is connected with the first node, a gate electrode of the first transistor is connected with a first electrode or a second electrode of the first transistor.

公开(公告)号：US12150348B2

公开(公告)日：2024-11-19

申请号：US17598894

申请日：2020-12-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xin Li ,  Xing Fan ,  Jing Yang ,  Jiangnan Lu ,  Yansong Li

IPC: H10K71/00 ,  H10K50/86 ,  H10K59/122 ,  H10K59/12

Abstract: Provided are a display substrate, a preparation method thereof and a display apparatus. The display substrate includes a substrate and a plurality of pixel units disposed in matrix on the substrate, wherein each pixel unit includes a plurality of sub-pixels, and each sub-pixel includes a driving structure layer, a first electrode and a first pixel define layer on the driving structure layer, and a light absorption layer disposed on the first pixel define layer. The first pixel define layer includes a plurality of first barriers and first pixel openings disposed between the first barriers, the first pixel opening exposes at least part of the first electrode, and the first pixel opening includes a first surface close to the first electrode, a second surface opposite to the first surface and a first sidewall between the first and second surfaces.

公开(公告)号：US12089446B2

公开(公告)日：2024-09-10

申请号：US17599007

申请日：2021-02-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuhan Qian ,  Libin Liu ,  Jiangnan Lu ,  Mei Li ,  Shiming Shi ,  Jie Zhang

IPC: H01L29/08 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K59/121 ,  H10K59/131 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K59/1213 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K59/1216 ,  H10K59/131 ,  H10K71/00 ,  H10K59/1201

Abstract: A display substrate includes: a base substrate; a light-emitting unit in each pixel region and including a first electrode, an organic light-emitting layer, and a second electrode sequentially disposed in a direction away from the base substrate; an auxiliary conductive layer between the light-emitting unit and the base substrate; a pixel circuit in each pixel region and including a driving transistor. The auxiliary conductive layer is on a side of the pixel circuit away from the base substrate, the second electrode has a portion extending out of the pixel region and coupling to the auxiliary conductive layer through a via hole not overlapping the pixel region, the auxiliary conductive layer is insulated and spaced apart from the first electrode and has a mesh or chain shape, and a material of the auxiliary conductive layer is the same as a material of the first and second electrodes of the driving transistor.

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：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：US20230180540A1

公开(公告)日：2023-06-08

申请号：US17779741

申请日：2021-03-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiangnan Lu ,  Libin Liu

IPC: H10K59/124 ,  H10K59/12 ,  H10K59/80

CPC classification number: H10K59/124 ,  H10K59/1201 ,  H10K59/80515 ,  H10K59/35

Abstract: Provided is a display panel. The display panel includes a base substrate, provided with a curved display region and a planar display region, wherein the curved display region is configured for curved display; and a plurality of first sub-pixels disposed in the curved display region and a plurality of second sub-pixels disposed in the planar display region, wherein each of the first sub-pixels and the second sub-pixels includes: a planarization layer, an electrode pattern, a light-emitting pattern, and an electrode layer which are sequentially laminated in a direction going away from the base substrate.

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：US11536763B2

公开(公告)日：2022-12-27

申请号：US16344634

申请日：2018-08-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  BEIHANG UNIVERSITY

Inventor： Jiangnan Lu ,  Hongge Li

IPC: G01R31/26

Abstract: Disclosed are a method and apparatus for determining electrical characteristics of a transistor, and a computer-readable storage medium. The method for determining electrical characteristics of a transistor includes: determining mobility characteristics of carriers in channels of the transistor at a transistor operating temperature condition; and determining electrical characteristics of the transistor based on the mobility characteristics of the carriers, semiconductor material properties of the transistor, and structural features of the transistor.

公开(公告)号：US11462149B2

公开(公告)日：2022-10-04

申请号：US17275068

申请日：2020-04-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guangliang Shang ,  Jiangnan Lu ,  Jie Zhang ,  Yu Feng ,  Libin Liu

IPC: G11C19/00 ,  G09G3/20 ,  G11C19/28

Abstract: Embodiments of the present disclosure provide a shift register unit and a method foe driving the same, a gate driving circuit, and a display device. The shift register unit includes: a control circuit coupled to an input signal terminal, a clock signal terminal, and an output control terminal, and configured to provide an output control signal to the output control terminal based on a signal from the input signal terminal and a signal from the clock signal terminal; and an output circuit coupled to the output control terminal, an output signal terminal, and a threshold voltage control terminal, and configured to provide an output signal to the output signal terminal under control of a potential at the output control terminal, and adjust a threshold voltage of at least one of a plurality of transistors in the output circuit under control of a signal from the threshold voltage control terminal.

公开(公告)号：US11296152B2

公开(公告)日：2022-04-05

申请号：US16755777

申请日：2019-10-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yong Yu ,  Yang Yue ,  Jiangnan Lu ,  Shi Shu ,  Chuanxiang Xu ,  Haitao Huang ,  Xiang Li ,  Min Huang

IPC: H01L29/08 ,  H01L27/32 ,  C09K11/06 ,  H01L51/50 ,  H01L51/52 ,  H01L51/56

Abstract: The present disclosure is related to an array substrate. The array substrate may include a substrate; and a plurality of sub-pixels emitting different colors of light on the substrate. Each of the plurality of sub-pixels may include a green electroluminescence component, and each of the plurality of the sub-pixels other than green sub-pixels further may include a color conversion layer on a light-exiting side of the green electroluminescence component.