公开(公告)号：US11538271B2

公开(公告)日：2022-12-27

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: G06V40/13 ,  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：US11276739B2

公开(公告)日：2022-03-15

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：US20210384224A1

公开(公告)日：2021-12-09

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：US20210217781A1

公开(公告)日：2021-07-15

申请号：US16643233

申请日：2019-01-11

Applicant: BOE Technology Group Co., Ltd.

Inventor： Dong Li ,  Xiaolong Li ,  Liangjian Li ,  Hongwei Tian

IPC: H01L27/12 ,  H01L27/32

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.

公开(公告)号：US10665659B2

公开(公告)日：2020-05-26

申请号：US15578446

申请日：2017-06-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongwei Tian ,  Yanan Niu

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

Abstract: The double-sided display panel according to embodiments of the present disclosure includes: a first organic light-emitting layer for front-side display; a second organic light-emitting layer for back-side display; a first switch TFT configured to enable the first organic light-emitting layer to emit light; and a second switch TFT configured to enable the second organic light-emitting layer to emit light. A gate electrode of the first switch TFT is multiplexed as, or connected to, a gate electrode of the second switch TFT.

公开(公告)号：US10468613B2

公开(公告)日：2019-11-05

申请号：US16039429

申请日：2018-07-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongwei Tian ,  Yanan Niu ,  Yueping Zuo

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/52 ,  B32B3/26 ,  H01L51/56 ,  G02F1/1345

Abstract: Embodiment of the present disclosure provides a motherboard of flexible display panel, a cutting method thereof, a flexible display panel and a display device. The motherboard of flexible display panel includes: a plurality of display units; a space region, disposed to at least separate adjacent ones of the display unis; and a barrier strip, disposed in the space region and configured to stop a crack from extending towards the display units across the barrier strip.

公开(公告)号：US10204934B2

公开(公告)日：2019-02-12

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 ,  H01L27/32

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：US09837502B2

公开(公告)日：2017-12-05

申请号：US14907778

申请日：2015-08-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hongwei Tian ,  Kaihong Ma ,  Wenqing Xu ,  Yueping Zuo ,  Xiaowei Xu

IPC: H01L29/423 ,  H01L23/50 ,  H01L29/41 ,  H01L21/28 ,  H01L27/12 ,  H01L29/417 ,  H01L29/49 ,  H01L29/786

CPC classification number: H01L29/42384 ,  H01L21/28008 ,  H01L23/50 ,  H01L27/124 ,  H01L27/3276 ,  H01L29/41 ,  H01L29/41733 ,  H01L29/4908 ,  H01L29/786

Abstract: A conductive structure and a manufacturing method thereof, an array substrate and a display device. The conductive structure includes a plurality of first metal layers made of aluminum, and between every two first metal layers that are adjacent, there is also provided a second metal layer, which is made of a metal other than aluminum. With the conductive structure, the hillock phenomenon that happens to the conductive structure when it is heated can be decreased without reducing the overall thickness of the conductive structure.

公开(公告)号：US11864422B2

公开(公告)日：2024-01-02

申请号：US17485764

申请日：2021-09-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jing Wang ,  Hongwei Tian ,  Ming Liu ,  Jia Zhao ,  Qiuhua Meng ,  Ziang Han

IPC: H01L27/32 ,  H01L51/56 ,  H10K59/121 ,  H10K59/122 ,  H10K59/124 ,  H10K71/00 ,  H01L21/02 ,  H01L27/12 ,  H01L29/66 ,  H01L29/786 ,  H10K59/12

CPC classification number: H10K59/1213 ,  H10K59/122 ,  H10K59/124 ,  H10K71/00 ,  H01L21/02565 ,  H01L27/127 ,  H01L27/1225 ,  H01L27/1248 ,  H01L29/66969 ,  H01L29/7869 ,  H01L29/78696 ,  H10K59/1201

Abstract: The present disclosure provides a method for fabricating a displaying backplane, a displaying backplane and a displaying device, and relates to the technical field of displaying. The method includes forming a first active layer and a second active layer on a substrate base plate; forming a first grid insulating layer covering the first active layer and the second active layer; forming a first grid on the first grid insulating layer; performing ion implantation to the first no-channel regions, the second no-channel regions and the second channel region, to reduce oxygen-vacancy concentrations of the first no-channel regions, the second no-channel regions and the second channel region; and forming a second grid on the first grid insulating layer.

公开(公告)号：US11340664B2

公开(公告)日：2022-05-24

申请号：US16637426

申请日：2019-01-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06F1/16

Abstract: A display device and a manufacturing method thereof are provided. The display device includes: a flexible substrate including a display portion and a back portion that are connected with each other, the display portion including a display side and a back side opposite to the display side, the back portion being located at the back side of the display portion; and an antenna located on the back portion.