公开(公告)号：US20200369928A1

公开(公告)日：2020-11-26

申请号：US16768033

申请日：2019-11-07

Applicant: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD

Inventor： Ming LI ,  Kaimin WANG ,  Jie XIANG ,  Wei LI ,  Li WANG ,  Jing WANG ,  Zhiyong YANG ,  Fei CHAN ,  Fei LI ,  Shuzhen YANG

IPC: C09J11/08 ,  H01L51/52 ,  C09J7/10 ,  B32B43/00

Abstract: An adhesive film includes an adhesive film body, and a plurality of deformable particles dispersed in the adhesive film body. A volume of each of the plurality of deformable particles is capable of shrinking under a trigger condition.

公开(公告)号：US20200273849A1

公开(公告)日：2020-08-27

申请号：US16530341

申请日：2019-08-02

Applicant: Chengdu BOE Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Li WANG ,  Wenfeng GUO ,  Jing WANG ,  Chengyi LI

IPC: H01L25/18 ,  H01L51/52 ,  H01L25/00 ,  G06K9/00

Abstract: The present disclosure provides a display assembly, a display device including the display assembly, and a manufacturing method of the display device. The display assembly includes: a display panel having a display surface with a fingerprint detection area, and a back surface facing away from the display surface; and a carrier adhesive including a binding surface and a grooved surface facing away from the binding surface, wherein the carrier adhesive is provided with a carrier groove having an opening formed on the grooved surface, the binding surface is attached to the back surface of the display panel and the carrier groove is opposite to the fingerprint detection area.

公开(公告)号：US20250166567A1

公开(公告)日：2025-05-22

申请号：US19030630

申请日：2025-01-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiyu ZHAO ,  Libin LIU ,  Yu FENG ,  Li WANG ,  Yao HUANG ,  Benlian WANG ,  Weiyun HUANG ,  Rui WANG

IPC: G09G3/3233 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3291 ,  H10K59/121 ,  H10K59/126

Abstract: A pixel circuit, a driving method and a display device. The pixel circuit includes a driving circuit, a first initialization circuit and a reset circuit; the first initialization circuit configured to write a first initial voltage into the first end of the driving circuit under the control of an initialization control signal; the reset circuit is configured to write a reset voltage into the second end of the driving circuit or the first end of the driving circuit under the control of a second scan signal; the driving circuit is configured to control to connect the first end of the driving circuit and the second end of the driving circuit under the control of a potential of a control end of the driving circuit.

公开(公告)号：US20250157408A1

公开(公告)日：2025-05-15

申请号：US19021876

申请日：2025-01-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin LIU ,  Shiming SHI ,  Xiyu ZHAO ,  Yu FENG ,  Li WANG

IPC: G09G3/3258 ,  G09G3/3225 ,  H10K59/121

Abstract: A pixel circuit, a driving method and a display device. The pixel circuit includes a driving circuit, a first control circuit, a compensation control circuit and a first initialization circuit; the first control circuit is configured to control to connect the control end of the driving circuit and the connection node under the control of a first scan signal; the compensation control circuit is configured to control to connect the connection node and the first end of the driving circuit under the control of a second scan signal; the first initialization circuit is configured to write a first initialization voltage into the connection node under the control of an initialization control signal; the driving circuit is configured to control to connect the first end and a second end of the driving circuit under the control of a potential of the control end thereof.

公开(公告)号：US20250089489A1

公开(公告)日：2025-03-13

申请号：US18290438

申请日：2022-06-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yu FENG ,  Libin LIU ,  Li WANG ,  Jianchao ZHU ,  Shiming SHI ,  Jingquan WANG

IPC: H10K59/131 ,  G09G3/3233 ,  H10K59/121

Abstract: A display panel and a display device are provided. The display panel includes a base substrate and a pixel driving circuit provided on a side of the base substrate, and the pixel driving circuit includes a driving transistor, ninth transistor, eighth transistor, first transistor and second transistor. A first electrode of the ninth transistor is connected to a third initial signal line and a second electrode of the ninth transistor is connected to a first electrode of the driving transistor. A first electrode of the eighth transistor is connected to a gate electrode of the driving transistor. A first electrode of the first transistor is connected to a first initial signal line and a second electrode of the first transistor is connected to a second electrode of the eighth transistor. A first electrode of the second transistor is connected to the second electrode of the eighth transistor and a second electrode of the second transistor is connected to a second electrode of the driving transistor.

公开(公告)号：US20240276815A1

公开(公告)日：2024-08-15

申请号：US18645555

申请日：2024-04-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li WANG ,  Long HAN ,  Jie ZHANG ,  Tian DONG ,  Bo WANG ,  Jingquan WANG

IPC: H10K59/131 ,  G06F3/00 ,  G06F3/033 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/121 ,  H10K102/00

CPC classification number: H10K59/131 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/121 ,  G06F3/00 ,  G06F3/033 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/0214 ,  G09G2320/0247 ,  G09G2330/02 ,  G09G2330/021 ,  H10K2102/302

Abstract: Disclosed are a display panel and a display device. The display panel includes: a pixel unit, including a pixel circuit and a light-emitting element, the pixel circuit includes a driving transistor and a threshold compensation transistor; a first power line configured to supply a first power supply voltage to the pixel circuit; a blocker, electrically connected with the first power line; and a first conductive structure, connected with the gate electrode of the driving transistor, the first channel and the second channel of the threshold compensation transistor are connected by a conductive connection portion; an area of an orthographic projection of a portion of the blocker overlapping with the first conductive structure on the base substrate is larger than an area of an orthographic projection of a portion of the blocker overlapping with the conductive connection portion on the base substrate.

公开(公告)号：US20240038167A1

公开(公告)日：2024-02-01

申请号：US18038690

申请日：2020-11-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Lujiang HUANGFU ,  Li WANG ,  Jianchao ZHU ,  Libin LIU

IPC: G09G3/3233 ,  G09G3/3291

CPC classification number: G09G3/3233 ,  G09G3/3291 ,  G09G2300/0852 ,  G09G2310/061 ,  G09G2330/021 ,  G09G2320/0247

Abstract: Provided are a pixel circuit and a driving method therefor, and a display apparatus. The pixel circuit includes a drive transistor, a reset circuit, a data writing circuit, a storage capacitor circuit, a threshold value compensation circuit, a conduction control circuit, a light-emitting control circuit, and a light-emitting device; the conduction control circuit is configured to: conduct the threshold value compensation circuit with the gate of the drive transistor, and conduct the reset circuit with the gate of the drive transistor at the reset stage, the threshold value detecting stage and the data writing stage; and cut off a conducting state of the threshold value compensation circuit with the gate of the drive transistor, and cut off a conducting state of the reset circuit with the gate of the drive transistor at the driving stage; where the conduction control circuit includes an oxide semiconductor thin film transistor.

公开(公告)号：US20230419903A1

公开(公告)日：2023-12-28

申请号：US18244368

申请日：2023-09-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li WANG ,  Qian YANG ,  Tian DONG ,  Renrong GAI ,  Jingquan WANG ,  Bo WANG

IPC: G09G3/3233 ,  H10K59/131

CPC classification number: G09G3/3233 ,  H10K59/131 ,  G09G2300/0842 ,  G09G2310/061 ,  G09G2310/08 ,  G09G2320/0214 ,  G09G2320/0247

Abstract: A display panel and a driving method thereof and a display device are provided. The display panel includes a pixel circuit and a light-emitting element, the pixel circuit including a driving transistor, a first reset transistor and a second reset transistor; the first reset transistor configured to reset the gate electrode of the driving transistor, and the second reset transistor configured to reset the first electrode of the light-emitting element; a first initialization signal line connected with the gate electrode of the driving transistor through the first reset transistor; and a first power line. The first reset transistor is a dual-gate transistor and includes a first channel and a second channel which are connected by a first conductive connection portion; an orthographic projection of the first conductive connection portion on the base substrate is completely within an orthographic projection of the first power line on the base substrate.

公开(公告)号：US20230401990A1

公开(公告)日：2023-12-14

申请号：US18452795

申请日：2023-08-21

Applicant: BOE Technology Group Co., Ltd.

Inventor： Li WANG ,  Xinshe Yin

IPC: G09G3/20 ,  G09G3/32

CPC classification number: G09G3/2007 ,  G09G3/32 ,  G09G2300/0408 ,  G09G2300/0819 ,  G09G2310/0286 ,  G09G2320/066

Abstract: The present disclosure provides a pixel circuit, a display panel and a display apparatus. A gate of a data writing transistor is electrically connected with a first scan line, a first electrode of the data writing transistor is electrically connected with a data line, and a second electrode of the data writing transistor is electrically connected with a first electrode of a drive transistor; a compensation circuit is electrically connected with the gate of the drive transistor; and a light emitting control circuit is electrically connected with a first power signal line, the first electrode and the second electrode of the drive transistor, and a first electrode of a light emitting device, respectively; an orthographic projection of the compensation circuit on a base substrate partial overlaps with an orthographic projection of the first power signal line on the base substrate.

公开(公告)号：US20230200129A1

公开(公告)日：2023-06-22

申请号：US17764993

申请日：2021-05-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Can ZHENG ,  Li WANG ,  Long HAN ,  Jianchao ZHU ,  Libin LIU

IPC: H10K59/121 ,  H10K59/131 ,  H10K59/12 ,  H10K71/00 ,  H10K59/35

CPC classification number: H10K59/1213 ,  H10K59/1216 ,  H10K59/131 ,  H10K59/1201 ,  H10K71/00 ,  H10K59/353

Abstract: Disclosed are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a substrate and a plurality of sub-pixels, at least one sub-pixel includes a pixel drive circuit and a light emitting device connected to the pixel drive circuit, the pixel drive circuit includes a plurality of transistors, wherein at least one transistor includes an active layer and two gate electrodes. The substrate is provided with a semiconductor layer and a plurality of conductive layers disposed on one side of the semiconductor layer away from the substrate, at least one conductive layer is provided with at least one electrode plate, and there is an overlapping region between an orthographic projection of the electrode plate on the substrate and an orthographic projection of the active layer between the two gate electrodes on the substrate.