公开(公告)号：US11751442B2

公开(公告)日：2023-09-05

申请号：US16624286

申请日：2019-04-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongwei Tian ,  Yanan Niu ,  Zheng Liu ,  Liangjian Li ,  Dong Li ,  Meng Zhao ,  Long Han ,  Can Zheng

IPC: H10K59/131 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/124 ,  H10K59/121 ,  H10K77/10 ,  H01L27/12 ,  H10K59/12 ,  H10K102/00

CPC classification number: H10K59/131 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/124 ,  H10K59/1213 ,  H10K77/111 ,  H01L27/124 ,  H01L27/1218 ,  H01L27/1248 ,  H01L27/1288 ,  H10K59/1201 ,  H10K2102/311

Abstract: A display panel and a display device are provided. The display panel has a display area. The display panel includes: a base substrate; a driving circuit and at least one signal line on the base substrate; and at least one insulating layer between the driving circuit and the at least one signal line. The driving circuit is disposed in a periphery of the display area; and an orthogonal projection of at least one of the signal lines on the base substrate has an overlapping area with an orthogonal projection of the driving circuit on the base substrate.

公开(公告)号：US11374065B2

公开(公告)日：2022-06-28

申请号：US16965920

申请日：2019-12-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dong Li ,  Hongwei Tian ,  Chunyang Wang ,  Huijuan Zhang ,  Zheng Liu ,  Xiaolong Li ,  Meng Zhao ,  Mingche Hsieh

IPC: G09G5/00 ,  H01L27/32 ,  G09G3/3225 ,  H01L51/00 ,  H01L51/52

Abstract: A flexible display panel has a display area, a peripheral area surrounding the display area, and a bending area having at least one overlapping area with the peripheral area. The flexible display panel includes a plurality of conductive layers disposed in the display area, and at least one interdigital capacitor disposed in the at least one overlapping area. One of the at least one interdigital capacitor is disposed in a same layer with a same material as one of the plurality of conductive layers.

公开(公告)号：US11335870B2

公开(公告)日：2022-05-17

申请号：US16920769

申请日：2020-07-06

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hongwei Tian ,  Yanan Niu ,  Meng Zhao ,  Pinfan Wang ,  Zheng Liu

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/52

Abstract: Provided is a method for preparing a display substrate. The display substrate includes multiple pixel island regions, empty regions and connection bridge regions. The preparation method includes: forming first grooves corresponding to the pixel island regions and second grooves corresponding to the connection bridge regions on a side of a hard underlay substrate; preparing the display substrate on a side of the underlay substrate where the first grooves and the second grooves are formed, wherein the pixel island regions are located in regions where the first grooves are located, the connection bridge regions are located in regions where the second grooves are located, and the empty regions are located in regions other than the first grooves and the second grooves; and separating the underlay substrate from the display substrate to obtain the display substrate.

公开(公告)号：US20210012687A1

公开(公告)日：2021-01-14

申请号：US16916910

申请日：2020-06-30

Applicant: BOE Technology Group Co. Ltd.

Inventor： Xiaolong LI ,  Meng Zhao ,  Zheng Liu ,  Chunyang Wang ,  Mingxin Zhang

IPC: G09F9/30 ,  H01L27/32 ,  G01N27/04 ,  H01L51/52 ,  G01B7/00 ,  G01B7/30

Abstract: The present disclosure discloses a display panel and a detecting method thereof. By providing at least one resistance sensor in a bending region, an extending direction of the resistance sensor is perpendicular to an extending direction of an axis for bending and overlaps with the axis for bending. By electrically connecting the resistance sensor to a detecting circuit, a change of the resistance value of the resistance sensor can be reflected as a change of voltage.

公开(公告)号：US20250017046A1

公开(公告)日：2025-01-09

申请号：US18546119

申请日：2022-11-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Chaolu Wang ,  Yongfeng Zhang ,  Renquan Gu ,  Feng Guan ,  Meng Zhao ,  Yang Lv ,  Jianhua Du ,  Hao Wu ,  Rui Yan ,  Wenqing Xue

IPC: H10K59/122 ,  H10K50/17 ,  H10K59/12 ,  H10K59/35 ,  H10K59/80

Abstract: A display substrate is provided. The display substrate includes a plurality of functional material layers extending at least partially across multiple subpixels. The plurality of functional material layers include a first portion in an inter-subpixel region, and a second portion in subpixel regions. The first portion includes a doped impurity. The first portion and the second portion include at least one functional material in common. A weight percentage of the doped impurity in the first portion is higher than a weight percentage of the doped impurity in the second portion. The first portion spaces apart adjacent subpixels. The second portion includes a light emitting layer of a respective subpixel.

公开(公告)号：US20240423007A1

公开(公告)日：2024-12-19

申请号：US18265045

申请日：2022-07-11

Applicant: BOE Technology Group Co., Ltd.

Inventor： Feng Guan ,  Yongfeng Zhang ,  Chaolu Wang ,  Meng Zhao

IPC: H10K50/12 ,  H10K50/115 ,  H10K59/00 ,  H10K59/12

Abstract: A display substrate and a preparation method thereof, a preparation apparatus and a display apparatus are provided, which relate to the technical field of display. The display substrate includes a plurality of light-emitting areas and non-light-emitting areas surrounding respective light-emitting areas. The display substrate includes: a base substrate; a light-emitting functional layer disposed at a side of the base substrate, the light-emitting functional layer including a light-emitting material located in the plurality of light-emitting areas and the non-light-emitting areas. The light-emitting material in the non-light-emitting areas is doped with destructive ions, and the destructive ions are configured for destroying luminescent characteristics of the light-emitting material in the non-light-emitting area.

公开(公告)号：US20230329037A1

公开(公告)日：2023-10-12

申请号：US18022924

申请日：2022-03-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Meng Zhao ,  Feng Guan ,  Wei Liu ,  Fengjuan Liu ,  Lubin Shi ,  Ce Ning

IPC: H10K59/121 ,  H10K59/131 ,  H10K59/12

CPC classification number: H10K59/1213 ,  H10K59/131 ,  H10K59/1201 ,  H10K59/1216

Abstract: A display base plate, a preparation method therefor and a display panel are provided in the present disclosure. The display panel can greatly improve resolution while ensuring low power consumption. The display base plate includes a plurality of sub-pixels. Each of the plurality of sub-pixels includes a storage capacitor, a polysilicon transistor and at least one oxide transistor. The storage capacitor includes a first electrode and a second electrode oppositely arranged, and first electrode is arranged at a side of the second electrode away from the substrate. The second electrode is arranged in the same layer as a gate electrode of the polysilicon transistor. The at least one oxide transistor is arranged on a side of the first electrode away from the substrate, and the first electrode at least partially overlaps with an active layer of the at least one oxide transistor in a direction perpendicular to the substrate.

公开(公告)号：US11191160B2

公开(公告)日：2021-11-30

申请号：US16607332

申请日：2019-04-02

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongwei Tian ,  Yanan Niu ,  Zheng Liu ,  Meng Zhao

IPC: H05K1/00 ,  H05K1/11 ,  G02F1/1333 ,  H01L27/32 ,  H01L51/00

Abstract: A flexible base substrate, a manufacturing method thereof, and a display device are provided. The flexible base substrate includes a first flexible substrate. The first flexible substrate includes: a first flexible film layer including a flexible film layer body, and a plurality of protrusions spaced apart from each other on a surface of a side of the flexible film layer body; a first spacer layer on the first flexible film layer and including a plurality of first islands spaced apart from each other; and a first groove between adjacent first islands. The first groove is filled with a first organic material, and a height of the first organic material is smaller than a height of the first groove in a direction perpendicular to the flexible film layer body.

公开(公告)号：US20190165287A1

公开(公告)日：2019-05-30

申请号：US16033143

申请日：2018-07-11

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hongwei Tian ,  Yanan Niu ,  Meng Zhao ,  Zheng Liu

IPC: H01L51/00 ,  H01L51/52 ,  H01L51/56 ,  H01L27/32 ,  H01L29/423 ,  H01L29/417 ,  H01L29/08

Abstract: A flexible display substrate, a method for manufacturing the same, a flexible display panel, and a flexible display device. The flexible display substrate includes: a flexible base substrate including a bendable region and an unbendable region, the bendable region including a bendable edge and an unbendable edge, the unbendable edge extending in a first direction; and at least one transistor in the bendable region of the flexible base substrate, including a gate electrode, a source region, a drain region, and an active layer, wherein the active layer extends in a direction substantially parallel to the first direction.

公开(公告)号：US12232375B2

公开(公告)日：2025-02-18

申请号：US17478122

申请日：2021-09-17

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

Inventor： Weiyun Huang ,  Yuanyou Qiu ,  Yao Huang ,  Tianyi Cheng ,  Yue Long ,  Meng Zhao

IPC: H10K59/131 ,  H10K50/84 ,  H10K59/122 ,  H10K59/65 ,  H10K71/00

Abstract: A display panel includes a substrate and a light-emitting structure layer, wherein the light-emitting structure layer includes an anode layer, a light-emitting layer, and a cathode layer that are sequentially stacked on the substrate; the cathode layer has a patterned area which is disposed in a light-transmitting display area of the display panel; the patterned area includes a plurality of cathode structures which are spaced apart from each other; an orthographic projection of each of the cathode structures onto the substrate covers an orthographic projection of the light-emitting structure of at least one OLED device onto the substrate.