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：US11380715B2

公开(公告)日：2022-07-05

申请号：US16493096

申请日：2019-03-21

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hongwei Tian ,  Yanan Niu ,  Chunyang Wang ,  Dong Li ,  Zheng Liu ,  Shuai Zhang

IPC: H01L27/12

Abstract: A display substrate having a display area and a gate-on-array (GOA) area outside the display area is provided. The display substrate includes a base substrate; a light shielding layer on the base substrate; an insulating layer on a side of the light shielding layer away from the base substrate; and a GOA signal line on a side of the insulating layer away from the light shielding layer, and is connected electrically in parallel with a first part of the light shielding layer, the first part being in the GOA area. The display substrate includes a plurality of first vias extending through the insulating layer in the GOA area. The GOA signal line is electrically connected to the first part of the light shielding layer through the plurality of first vias respectively, thereby connecting the GOA signal line and the first part of the light shielding layer electrically in parallel.

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：US20210225975A1

公开(公告)日：2021-07-22

申请号：US16765232

申请日：2019-11-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanan Niu ,  Jiushi Wang ,  Zhanfeng Cao ,  Qi Yao ,  Feng Zhang ,  Wusheng Li ,  Feng Guan ,  Lei Chen ,  Hongwei Tian

IPC: H01L27/32

Abstract: A display substrate is provided. The display substrate includes a substrate (1), a first transistor (2) and a second transistor (3) on the substrate (1), directions of intrinsic threshold voltage shifts of the first transistor (2) and the second transistor (3) being opposite; and a shift adjustment structure (4) on the substrate (1). The shift adjustment structure (4) may be configured to input adjustment signals to the first transistor (2) and the second transistor (3) respectively to make threshold voltages of the first transistor (2) and the second transistor (3) shift in directions opposite to the directions of their intrinsic threshold voltage shifts respectively.

公开(公告)号：US11069268B2

公开(公告)日：2021-07-20

申请号：US16639108

申请日：2019-03-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yanan Niu ,  Lei Chen ,  Zhongyuan Sun ,  Hongwei Tian ,  Wei Huang ,  Zhiqiang Jiao ,  Kuanjun Peng ,  Yichi Zhang

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

Abstract: A flexible display panel includes a plurality of light-emitting regions separated from each other, a respective one of the plurality of light-emitting regions including a light emitting element and an encapsulating structure encapsulating the light emitting element; and a plurality of dummy regions connecting the plurality of light-emitting regions, a respective one of the plurality of light-emitting regions having a larger thickness than a respective dummy region and including a plurality of driving wires. The flexible display panel further includes a detecting wire in the plurality of dummy regions and the plurality of light emitting regions.

公开(公告)号：US10903444B2

公开(公告)日：2021-01-26

申请号：US15755034

申请日：2017-07-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongwei Tian ,  Yanan Niu

IPC: H01L29/08 ,  H01L33/00 ,  H01L31/0232 ,  H01L23/544 ,  H01L21/00 ,  H01L51/40 ,  H01L51/52 ,  H01L27/32 ,  H01L51/56 ,  H01L21/68

Abstract: Embodiments of the present disclosure provide an OLED package substrate, a manufacturing method thereof, and an OLED display panel. The OLED package substrate comprises a display area and a non-display area, the display area comprising a pixel definition area. The OLED package substrate comprises a base substrate, and a conductor on the base substrate and within the pixel definition area. The conductor is configured to be in contact with a cathode or an anode at a surface of an array substrate for assembly with the OLED package substrate.

公开(公告)号：US10748937B2

公开(公告)日：2020-08-18

申请号：US16051947

申请日：2018-08-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yueping Zuo ,  Hongwei Tian ,  Shuai Zhang

IPC: H01L27/12 ,  H01L21/027 ,  H01L27/32 ,  H01L51/00 ,  G02F1/1368 ,  G02F1/1362 ,  G02F1/1333

Abstract: A substrate and a manufacturing method thereof and a display device are provided. The substrate includes: a base including a bendable region; an interlayer on the base and in the bendable region; and a signal line at a side, facing away from the base, of the interlayer. In the bendable region, an orthographic projection of the signal line on the base is within an orthographic projection of the interlayer on the base; and in the bendable region, the interlayer is provided with a groove on at least one side of a portion, corresponding to the signal line, of the interlayer.

公开(公告)号：US10673001B2

公开(公告)日：2020-06-02

申请号：US16344272

申请日：2018-05-09

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanan Niu ,  Chunyan Li ,  Hongwei Tian

IPC: H01L51/00 ,  G09F9/30 ,  H01L27/12

Abstract: A flexible display substrate is disclosed. The flexible display substrate includes a flexible substrate, a gate, a source and drain and a plurality of conductive wirings on the flexible substrate. Each conductive wiring is provided with a plurality of grooves in a bending area of the flexible display substrate, so that the damage resistance of the conductive wirings during bending is improved. A display device including the flexible display substrate and a method for fabricating the flexible display substrate are also disclosed.

公开(公告)号：US10553153B2

公开(公告)日：2020-02-04

申请号：US15521564

申请日：2016-08-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ying Liu ,  Chenggeng Zhang ,  Zhaohui Meng ,  Hongwei Tian ,  Juanjuan Bai ,  Meng Shao ,  Wen Sun ,  Can Zheng ,  Hualing Yang

IPC: G09G3/3233

Abstract: A method, a circuit and a display device for driving an organic light emitting diode, wherein a driving transistor (DTFT) for driving a display element is turned off by jumping one or more of a reference voltage input (Vref), a reset voltage input (Vinit) and a data signal input (Vdata) before beginning to output an EL high level (ELVDD) of a pixel compensation circuit and after beginning to output an EL low level (ELVSS), to overcome the splash screen phenomenon during power-up and direct current-direct current driving failure.