公开(公告)号：US20250166573A1

公开(公告)日：2025-05-22

申请号：US18290493

申请日：2023-02-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Chengyuan LUO ,  Pan XU ,  Ying HAN ,  Donghui ZHAO ,  Xing ZHANG ,  Guangshuang LV ,  Cheng XU ,  Xing YAO ,  Dandan ZHOU ,  Miao LIU

IPC: G09G3/3266 ,  G09G3/3233 ,  G11C19/28

Abstract: A shift register is provided to include: a voltage regulating circuit to adjust voltages at first and second nodes; a light-emitting cascade output circuit to write a second operating voltage from a second power terminal to a light-emitting cascade signal output terminal in response to control of the voltage at the first node, and write a first operating voltage from a first power terminal to the light-emitting cascade signal output terminal in response to control of the voltage at the second node; a light-emitting driving output circuit to write a third operating voltage from a third power terminal to a light-emitting control driving signal output terminal in response to control of the voltage at the first node, and write a fifth operating voltage from a fifth power terminal to the light-emitting control driving signal output terminal in response to control of the voltage at the second node; and a first anti-leakage circuit to write a fourth operating voltage from a fourth power terminal to a first anti-leakage node in response to control of the voltage at the second node.

公开(公告)号：US20250107317A1

公开(公告)日：2025-03-27

申请号：US18577282

申请日：2023-03-16

Applicant: Hefei BOE Joint Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Xinyu LI ,  Xinxin WANG ,  Xiang WAN ,  Cheng XU ,  Dandan ZHOU ,  Ningning WANG

IPC: H10K50/13 ,  H10K50/15 ,  H10K59/35 ,  H10K102/00

Abstract: Provided is an organic light-emitting diode, including a first electrode, a second electrode, at least two emission layers, a first hole transport layer and a second hole transport layer. A color of a mixture of light emitted from the at least two emission layers is white. The at least two emission layers includes a first emission layer and a second emission layer. The first electrode, the first emission layer, the first hole transport layer, the second hole transport layer, the second emission layer, and the second electrode are disposed on a base substrate and are sequentially laminated in a direction going away from the base substrate. A thickness of the second hole transport layer is greater than a first thickness threshold. A ratio of the thickness of the second hole transport layer to a thickness of the first hole transport layer ranges from 15 to 40.

公开(公告)号：US20250095536A1

公开(公告)日：2025-03-20

申请号：US18290015

申请日：2022-11-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Donghui ZHAO ,  Pan XU ,  Ying HAN ,  Xing ZHANG ,  Chengyuan LUO ,  Guangshuang LV ,  Xing YAO ,  Dandan ZHOU ,  Miao LIU

IPC: G09G3/20

Abstract: Provided is a pixel drive circuit. The pixel drive circuit includes a plurality of scan drive circuits transmitting gate drive signals to pixels, a plurality of emission drive circuits transmitting emission control signals to the pixels, a plurality of compensation drive circuits transmitting compensation signals to the pixels, and a plurality of reset drive circuits transmitting reset signals to the pixels, which are all cascaded in a pixel column direction. In addition, the scan drive circuit, the emission drive circuit, the compensation drive circuit, and the reset drive circuit corresponding to the same row of pixels are arranged sequentially along a pixel row direction, the scan drive circuit being disposed farthest away from the pixels. Moreover, among signal lines coupled to the pixel drive circuit, a plurality of signal lines is overlapped with each other, and cutouts are provided at the overlapping portions of the plurality of signal lines.

公开(公告)号：US20250089513A1

公开(公告)日：2025-03-13

申请号：US18557297

申请日：2023-02-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ying CUI ,  Donghui YU ,  Cheng XU ,  Dandan ZHOU

IPC: H10K59/38 ,  H10K59/80

Abstract: A display substrate, a manufacturing method therefor, and a display device. The display substrate includes: a base substrate; a light-emitting substrate disposed on the base substrate and the light-emitting substrate being configured to emit incident light; a color conversion layer disposed at a side of the light emitting substrate away from the base substrate and the color conversion layer being configured to convert the incident light emitted from the light emitting substrate into light of a specific color; a selective reflection layer disposed on a side of the color conversion layer away from the base substrate and the selective reflection layer being configured to reflect incident light not converted by the color conversion layer to the color conversion layer and to transmit light of the specific color converted by the color conversion layer.

公开(公告)号：US20250029558A1

公开(公告)日：2025-01-23

申请号：US18281110

申请日：2022-11-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xing ZHANG ,  Pan XU ,  Donghui ZHAO ,  Ying HAN ,  Chengyuan LUO ,  Guangshuang LV ,  Cheng XU ,  Miao LIU ,  Dandan ZHOU

IPC: G09G3/3233

Abstract: A driving circuit, a driving method and a display device are provided. The driving circuit includes a first control node control circuit, a second control node control circuit, a first node control circuit and a second node control circuit, wherein, the first control node control circuit is configured to control a potential of the first control node; the second control node control circuit is configured to control a potential of the second control node; the first node control circuit is configured to control a potential of the first node; the second node control circuit is electrically connected to the second control node, a first clock signal terminal and a second node respectively, and is configured to control to connect the first clock signal terminal and the second node under the control of the potential of the second control node.

公开(公告)号：US20240371887A1

公开(公告)日：2024-11-07

申请号：US18773582

申请日：2024-07-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuhang LU ,  Fengjuan LIU ,  Hehe HU ,  Zhengliang LI ,  Ce NING ,  Guangcai YUAN ,  Dandan ZHOU ,  Cheng XU

IPC: H01L27/12 ,  G02F1/1333 ,  G02F1/1362 ,  G02F1/1368 ,  H01L25/075 ,  H01L29/66 ,  H01L29/786 ,  H10K59/121

Abstract: A thin film transistor includes a first active layer, a second active layer, a first electrode, a second electrode and a third electrode. The first active layer includes a first surface away from a substrate. The second active layer includes a second surface in contact with the first surface. The first electrode, the first active layer and the second active layer have an overlapping region. The second electrode, the first active layer and the second active layer have an overlapping region. The third electrode, the first active layer and the second active layer have an overlapping region, and the third electrode is opposite to the second electrode. The second surface is located within the first surface, and a distance between at least part of a border of the second surface and a border of the first surface is less than or equal to 0.5 μm.