公开(公告)号：US20240206266A1

公开(公告)日：2024-06-20

申请号：US18590203

申请日：2024-02-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangnan LU ,  Guangliang SHANG ,  Can ZHENG ,  Yu FENG ,  Libin LIU ,  Jie ZHANG ,  Mei LI

IPC: H10K59/131 ,  H10K59/80

CPC classification number: H10K59/131 ,  H10K59/8051

Abstract: Provided is an organic light-emitting diode display substrate, including: a source/drain layer, a planarization layer and an anode layer which are laminated in sequence, wherein the source/drain layer includes at least one pair of first signal lines; the anode layer includes a common power line, wherein the common power line is provided with vent holes; overlapping areas between two first signal lines in each pair of the first signal lines and a projection pattern of the vent hole are equal, the overlapping area being greater than 0, wherein the projection pattern of the vent hole is a pattern of an orthographic projection of the vent hole in the common power line on the source/drain layer. A display panel and a display device are also provided.

公开(公告)号：US20230360608A1

公开(公告)日：2023-11-09

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: G09G3/3266 ,  G11C19/28

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：US20230326389A1

公开(公告)日：2023-10-12

申请号：US18336565

申请日：2023-06-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can ZHENG

IPC: G09G3/20

CPC classification number: G09G3/2092 ,  G09G2310/0286

Abstract: A shift register unit, a driving circuit, a display device, and a driving method are disclosed. The shift register unit includes a first input circuit, a second input circuit, an output circuit, a first control circuit, and a second control circuit, wherein the first input circuit is electrically connected to a first node; the second input circuit is electrically connected to the first node and a second node; the first control circuit is electrically connected to the second node and a third node; the output circuit is electrically connected to the third node, a second voltage signal line and an output terminal; and the second control circuit is electrically connected to the first node, the third node and a first voltage signal line.

公开(公告)号：US20230154402A1

公开(公告)日：2023-05-18

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 ,  G09G2300/0852 ,  G09G2310/08 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/0297 ,  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：US20230042603A1

公开(公告)日：2023-02-09

申请号：US17791965

申请日：2021-05-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lujiang HUANGFU ,  Li WANG ,  Can ZHENG ,  Libin LIU

IPC: G09G3/3258

Abstract: A pixel driving circuit includes a reset sub-circuit, a compensation sub-circuit, a light-emitting control sub-circuit and a driving sub-circuit. The reset sub-circuit is configured to transmit an initialization signal received from an initialization signal terminal to the light-emitting control sub-circuit. The fight-emitting control sub-circuit is configured to transmit the initialization signal to the first node. The compensation sub-circuit is configured to transmit the initialization signal from the first node to a second node so as to reset a voltage of the second node. The driving sub-circuit is configured to open a conductive path from a first voltage signal terminal to the initialization signal terminal during a process of resetting the voltage of the second node.

公开(公告)号：US20220148512A1

公开(公告)日：2022-05-12

申请号：US17426949

申请日：2020-10-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can ZHENG ,  Yu FENG ,  Guangliang SHANG ,  Libin LIU ,  Shiming SHI

IPC: G09G3/3266

Abstract: A gate driving unit, a gate driving circuit, a gate driving method, and a display device are provided. The gate driving unit includes a first output circuit and a second output circuit; the second output circuit comprises a first output sub-circuit; the first output circuit is respectively electrically connected to the first node, the second node and the first gate driving signal output end and is configured to control the first gate driving signal output end to output a first gate driving signal under the control of the potential of the first node and the potential of the second node; the first output sub-circuit is respectively electrically connected to the first node, the second gate driving signal output end and the first clock signal end, and is configured to control the second gate driving signal output end to be connected to the first clock signal end.

公开(公告)号：US20210343216A1

公开(公告)日：2021-11-04

申请号：US17373143

申请日：2021-07-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can ZHENG

IPC: G09G3/20 ,  G11C19/28 ,  G11C19/18

Abstract: A shift register and driving method thereof, a gate driving circuit and a display device are provided. The shift register includes a first input unit, a second input unit, a pull-up control unit, a pull-down control unit, an output control unit and an output reset unit, wherein the first input unit, the second input unit, the pull-up control unit, the pull-down control unit and the output control unit are coupled to a first node, and the pull-up control unit, the pull-down control unit and the output reset unit are coupled to a second node.

公开(公告)号：US20210090484A1

公开(公告)日：2021-03-25

申请号：US16964465

申请日：2019-09-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guangliang SHANG ,  Can ZHENG ,  Jiangnan LU ,  Tian DONG ,  Libin LIU ,  Long HAN ,  Shiming SHI ,  Dawei WANG

IPC: G09G3/20 ,  G11C19/28

Abstract: A shift register unit, a driving method, a gate driving circuit and a display device are provided. The shift register unit includes a first gate driving output circuit and a second gate driving output circuit. The first gate driving output circuit is used to output a first gate driving signal through the first gate driving signal output terminal; the second gate driving output circuit is used to generate a second gate driving signal outputted simultaneously with the first gate driving signal based on the first gate driving signal, a first clock signal and a second clock signal. In the present disclosure, the second gate driving output circuit is added, the first gate driving signal, the first clock signal, and the second clock signal are used to generate an inverted second gate driving signal, so that positive and negative switching control signals are generated by one stage of shift register unit.

公开(公告)号：US20190266946A1

公开(公告)日：2019-08-29

申请号：US16309203

申请日：2018-03-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.

Inventor： Jianchao ZHU ,  Lujiang HUANGFU ,  Yunfei LI ,  Can ZHENG ,  Libin LIU ,  Yipeng CHEN

IPC: G09G3/3233

Abstract: A pixel driving circuit and a driving method, and a display device are provided. The driving circuit includes: a first switching element, a second switching element, a third switching element, a fourth switching element, a fifth switching element, a driving transistor, a sixth switching element, a first storage capacitor and a second storage capacitor.