公开(公告)号：US20200286926A1

公开(公告)日：2020-09-10

申请号：US16630657

申请日：2019-01-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanan NIU ,  Jiushi WANG ,  Lei CHEN ,  Hongwei TIAN ,  Zhanfeng CAO ,  Feng GUAN ,  Feng ZHANG ,  Shi SHU ,  Kuanjun PENG ,  Yichi ZHANG ,  Qi QI

IPC: H01L27/12 ,  H01L21/02 ,  H01L29/66 ,  H01L29/786

Abstract: The present disclosure provides a display backplane and a method for manufacturing the same, a display panel, and a display device. The display backplane includes: a substrate; a first thin film transistor located on one side of the substrate; and a second thin film transistor located on the one side of the substrate, wherein: the first thin film transistor comprises a first active layer, the second thin film transistor comprises a second active layer, wherein the first active layer and the second active layer are located in a same layer, and a material of the first active layer is different from that of the second active layer.

公开(公告)号：US20200235329A1

公开(公告)日：2020-07-23

申请号：US15755034

申请日：2017-07-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongwei TIAN ,  Yanan NIU

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/56

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：US20180090521A1

公开(公告)日：2018-03-29

申请号：US15522811

申请日：2016-10-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongwei TIAN ,  Yanan NIU ,  Liang TANG ,  Chaobo ZHANG ,  Luopeng CHUO

IPC: H01L27/12 ,  H01L29/66 ,  H01L29/786

CPC classification number: H01L27/1248 ,  H01L27/1255 ,  H01L27/1259 ,  H01L27/1262 ,  H01L27/3272 ,  H01L29/66757 ,  H01L29/78633 ,  H01L29/78675

Abstract: The embodiments of the present disclosure relate to an array substrate, a thin film transistor, methods for fabricating the same, and a display device. The method for fabricating the array substrate provided by the embodiments of the present disclosure comprises: forming an active layer on a substrate; forming a gate on the active layer; forming a first insulation layer on the gate; forming a light blocking portion on the first insulation layer, the light blocking portion being arranged above an edge portion of the gate, so that the light blocking portion blocks light entering the active layer from the edge portion of the gate.

公开(公告)号：US20240339077A1

公开(公告)日：2024-10-10

申请号：US18578656

申请日：2023-05-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ran LI ,  Xueyan TIAN ,  Hongwei TIAN ,  Tuo SUN ,  Xiyu ZHAO

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861

Abstract: A pixel driving circuit is provided. The pixel driving circuit includes a light emission control circuit and a drive circuit. The light emission control circuit controls a potential of a control terminal of the drive circuit under the control of a coupled signal terminal, and the drive circuit drives a coupled light-emitting element to emit light based on the potential of the control terminal thereof. The drive circuit includes two drive transistors connected in parallel, and subthreshold swings of the two drive transistors are different.

公开(公告)号：US20230363220A1

公开(公告)日：2023-11-09

申请号：US18221420

申请日：2023-07-13

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

CPC classification number: H10K59/131 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/124 ,  H10K59/1213 ,  H10K77/111 ,  H01L27/1218

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：US20230207578A1

公开(公告)日：2023-06-29

申请号：US18116689

申请日：2023-03-02

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dong LI ,  Xiaolong LI ,  Liangjian LI ,  Hongwei TIAN

IPC: H01L27/12 ,  H10K59/124 ,  H10K59/131

CPC classification number: H01L27/1248 ,  H01L27/124 ,  H01L27/1259 ,  H10K59/124 ,  H10K59/131 ,  H01L27/1255

Abstract: An array substrate and a manufacturing method thereof are provided. The array substrate includes a display pixel area for providing pixel units arranged in an array. The array substrate further includes: a base substrate, a first insulating layer, a second insulating layer, and a first conductive pattern layer. The first insulating layer is provided on the base substrate, grooves are provided in the first insulating layer, and the grooves are provided in the display pixel area. The second insulating layer is provided on the first insulating layer, and the second insulating layer is also filled into the grooves. The first conductive pattern layer is provided on the second insulating layer. By providing the grooves, the array substrate may have better impact resistance and bending resistance.

公开(公告)号：US20220156478A1

公开(公告)日：2022-05-19

申请号：US17460012

申请日：2021-08-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ming LIU ,  Hongwei TIAN ,  Hao LIU ,  Jing WANG

IPC: G06K9/00 ,  H01L27/146

Abstract: The present disclosure provides a display panel, a manufacturing method thereof, and a display device. The display panel includes a plurality of optical fingerprint identification structures, each optical fingerprint identification structure includes a display region and a sensing region, the display region includes a driving circuitry layer, a planarization layer, a. pixel definition layer, and a light-emitting element, and the light-emitting element includes an anode, a light-emitting material layer and a cathode. The sensing region includes a sensing region opening, an optical sensor and a cathode metal layer, the cathode metal layer includes a first cathode metal layer and a second cathode metal layer, and the first cathode metal layer is separated from the second cathode metal layer by a gap, so that light emitted by the light-emitting element is allowed to enter the optical sensor through the gap after being reflected by a fingerprint.

公开(公告)号：US20210407353A1

公开(公告)日：2021-12-30

申请号：US17280826

申请日：2020-05-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongwei TIAN ,  Yanan NIU ,  Dong LI ,  Ming LIU ,  Zheng LIU

IPC: G09G3/00 ,  G09G3/3208 ,  H01L27/32 ,  H01L51/00 ,  H01L51/56

Abstract: The present invention provides a stretchable display substrate, a method for manufacturing the same, a display device and an operating method thereof, and belongs to the field of display technologies. The stretchable display substrate includes a plurality of islands on a base substrate, and a plurality of connection bridges corresponding to each of the plurality of islands. The plurality of islands are distributed in array and separated from each other; the plurality of connection bridges corresponding to each island are configured to connect the island with islands adjacent to the island. An electrical detection structure is provided between each island and the plurality of connection bridges corresponding to the island, and the electrical detection structure is configured to have an electrical parameter changed when the stretchable display substrate is stretched.

公开(公告)号：US20210202591A1

公开(公告)日：2021-07-01

申请号：US16765220

申请日：2019-12-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hongwei TIAN ,  Yanan NIU ,  Zheng LIU

IPC: H01L27/32 ,  G06F3/147 ,  G06F3/041 ,  H01L51/52 ,  H01L51/56

Abstract: Provided is an array substrate and a preparation method thereof and a display device, to improve performance and yield of display products. An embodiment of the present disclosure provides an array substrate, where the array substrate is divided into a display area and a surrounding area arranged outside the display area; the array substrate includes: a substrate, electroluminescent devices and an encapsulation layer disposed on the substrate in the display area, the encapsulation layer configured to encapsulate the electroluminescent device, and a touch function layer disposed on the encapsulation layer; the touch function layer includes a touch lead extending from the display area to the surrounding area; and the array substrate further includes: a thickness compensation layer located in the surrounding area and disposed between the substrate and the touch lead layer.

公开(公告)号：US20210027674A1

公开(公告)日：2021-01-28

申请号：US17041811

申请日：2020-02-11

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yanan NIU ,  Hongwei TIAN ,  Zhongyuan SUN ,  Jing NIU ,  Lei CHEN ,  Wei HUANG ,  Zhiqiang JIAO

IPC: G09F9/30 ,  H01L51/00 ,  H01L51/56

Abstract: The present disclosure provides a display panel and a manufacturing method of the display panel, and a display apparatus, and belongs to the field of display technology. The display panel of the present disclosure includes a flexible substrate and a support substrate, wherein the support substrate supports the flexible substrate; a plurality of display units are provided on the flexible substrate; the display panel further includes: a first magnetic unit; a second magnetic unit; the first magnetic unit and the second magnetic unit are used for jointing the flexible substrate to the support substrate through a magnetic field therebetween.