公开(公告)号：US20210193760A1

公开(公告)日：2021-06-24

申请号：US16766797

申请日：2019-12-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Chunyan XIE ,  Song ZHANG ,  Pinfan WANG ,  Tao WANG ,  Penghao GU

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/52 ,  H01L51/56

Abstract: The present disclosure provides an organic light-emitting display panel, a method for preparing the same and a display device. The method includes: providing a substrate, where the substrate includes a non-display area and a display area surrounding the non-display area; forming a barrier layer and a pixel circuit on the substrate, where an orthographic projection of the pixel circuit on the substrate and an orthographic projection of the non-display area on the substrate do not overlap; patterning the barrier layer in the non-display area to form at least one via hole penetrating the barrier layer; patterning the substrate by using the barrier layer as a mask in the non-display area to form a groove; forming a light emitting layer on the pixel circuit; and forming a thin film encapsulation layer covering the light emitting layer and the side wall of the draw-in structure on the light emitting layer.

公开(公告)号：US20210104579A1

公开(公告)日：2021-04-08

申请号：US16869866

申请日：2020-05-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Haohan ZHANG ,  Yansong LI ,  Pinfan WANG ,  Shanshan BAI

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/56 ,  H01L51/52

Abstract: The present disclosure provides a display substrate, a fabricating method thereof and a display device. The display substrate includes a substrate, including a plurality of island portions spaced apart from each other and a plurality of bridge portions connected between the island portions, the substrate having a plurality of openings in regions without the plurality of island portions and the plurality of bridge portions; a layer structure on each of the plurality of island portions and comprising a light-emitting layer, a common auxiliary layer and a first electrode layer stacked with each other, the layer structure on each of the plurality of island portions forms at least one light-emitting unit; wherein on each of the plurality of island portions, an orthographic projection of the common auxiliary layer on the island portion covers an orthographic projection of the light-emitting layer on the island portion.

公开(公告)号：US20200212324A1

公开(公告)日：2020-07-02

申请号：US16622525

申请日：2019-04-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuanzheng GUO ,  Pinfan WANG ,  Ming Che HSIEH

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/56 ,  H01L51/52

Abstract: Embodiments of the present disclosure provide a flexible display substrate, a manufacturing method thereof and a flexible display device. The manufacturing method includes: forming a plurality of protrusions on a base substrate; forming a base film at one side of the plurality of protrusions facing away from the base substrate; forming a display structure at a surface of the base film facing away from the base substrate; peeling off the base film along with the display structure from the base substrate, and remaining the plurality of protrusions on the base substrate; and attaching the surface of the base film facing away from the display structure onto an elastic substrate and stretching the elastic substrate so that the base film is fractured at positions of the plurality of concaves.

公开(公告)号：US20200027940A1

公开(公告)日：2020-01-23

申请号：US16512902

申请日：2019-07-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pinfan WANG ,  Weixin MA ,  Mingche HSIEH ,  Fangxu CAO ,  Xixi GUO ,  Yu FENG

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/00 ,  H01L51/56

Abstract: Provided are a display panel, a method for manufacturing the same, and a display device. The display panel includes: flexible substrate; multiple thin film transistor structures arranged in an array and on the flexible substrate; and an organic layer located on the multiple thin film transistor structures. Through holes are arranged between adjacent thin film transistor structures, each through hole penetrates the organic layer and the flexible substrate, and the organic layer covers a first surface of at least one thin film transistor structure far away from the flexible substrate, and side surfaces of the at least one thin film transistor structure proximate to the corresponding through holes.

公开(公告)号：US20250008812A1

公开(公告)日：2025-01-02

申请号：US18277587

申请日：2022-10-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pinfan WANG ,  Zunqing SONG ,  Bingwei WANG

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/122

Abstract: The present disclosure provides a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a pixel region and a stretching hole region located outside the pixel region, the stretch hole region includes a hole region and a partition region surrounding the hole region, the partition region includes a base substrate, a partition structure layer disposed on the base substrate and surrounding the hole region, an encapsulation structure layer disposed on the partition structure layer, and a sensing structure layer disposed on the encapsulation structure layer, the partition region further includes a first organic dielectric layer located between the encapsulation structure layer and the sensing structure layer, a side of the first organic dielectric layer close to the hole region covers side surfaces of sides of the partition structure layer and the encapsulation structure layer that are close to the hole region.

公开(公告)号：US20240381741A1

公开(公告)日：2024-11-14

申请号：US18257135

申请日：2022-07-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pinfan WANG ,  Ce XU ,  Yanyan YANG ,  Bingwei WANG ,  Haoran WANG

IPC: H10K59/80

Abstract: A display panel includes a first display portion and at least one second display portion. The first display portion includes first sub-pixels and has at least one arc-shaped border. The second display portion is connected to an arc-shaped border and includes first sub-portions and one or more second sub-portions. The first sub-portion includes second sub-pixels, the first sub-portions are sequentially arranged along the arc-shaped border, and in a case where the first display portion and the second display portion are laid on a reference plane, any two adjacent first sub-portions have a gap therebetween. The second sub-portion includes third sub-pixels; at least one second sub-portion is located in a gap between two adjacent first sub-portions and is connected to at least one of the two adjacent first sub-portions. A Young's modulus of the first sub-portion is greater than a Young's modulus of the second sub-portion.

公开(公告)号：US20240215345A1

公开(公告)日：2024-06-27

申请号：US17910358

申请日：2021-11-02

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jia ZHAO ,  Pinfan WANG

IPC: H10K59/131 ,  G09G3/3266 ,  H10K59/121

CPC classification number: H10K59/131 ,  G09G3/3266 ,  H10K59/1213

Abstract: A display substrate and a display apparatus. The display substrate includes a base substrate and a circuit structure layer disposed on the base substrate, the circuit structure layer includes a flat region and a bendable region provided on at least one side of the flat region, the bendable region includes at least one stretch region, the stretch region includes a first pixel circuit region and a first power supply trace region, the first power supply trace region is located at one side of the first pixel circuit region away from the flat region, a first stretch hole is provided in the first power supply trace region, and a second stretch hole is provided in the first pixel circuit region.

公开(公告)号：US20230031474A1

公开(公告)日：2023-02-02

申请号：US17788755

申请日：2021-06-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuhan QIAN ,  Libin LIU ,  Long HAN ,  Fangxu CAO ,  Pinfan WANG ,  Yang YU ,  Wenqiang LI ,  Zubin LV ,  Li JIA

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/52 ,  H01L27/12

Abstract: A flexible array substrate includes at least one stretchable region; wherein the flexible array substrate is provided with a plurality of through holes within the stretchable region, and the plurality of through holes divide the stretchable region into a pixel island area for displaying and a bridging area for signal transmission; the bridging area includes a source-drain bridging area. The flexible array substrate, in the source-drain bridging area, includes: a base substrate, a first source-drain metal layer, a first insulating material layer, a second source-drain metal layer, a second insulating material layer, and an encapsulation layer that are sequentially stacked.

公开(公告)号：US20220376207A1

公开(公告)日：2022-11-24

申请号：US16611466

申请日：2019-04-02

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengguang BAN ,  Pinfan WANG

IPC: H01L51/52 ,  H01L27/32

Abstract: Disclosed herein is a display substrate comprising: a support; a pixel on the support and with a thin-film transistor (TFT) therein; and a barrier on the support, surrounding the pixel, and separated from the pixel by a trench; wherein the barrier comprises a protrusion extending from the support and configured to retard invasion of moisture and oxygen into the pixel; wherein the protrusion comprises a layer coplanar with a layer of the TFT. Also disclosed herein are a display panel with this display substrate and a system with this display panel.

公开(公告)号：US20220328593A1

公开(公告)日：2022-10-13

申请号：US16975293

申请日：2019-11-06

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zunqing SONG ,  Pinfan WANG ,  Fangxu CAO ,  Huijuan ZHANG

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

Abstract: Provided is an organic light-emitting display substrate and a manufacturing method thereof, and an organic light-emitting display device. The organic light-emitting display substrate includes a display area and an opening area located at the display area. The display area includes: a base substrate; a partition pattern layer located on one side of the base substrate and including a partition wall around the opening area, the partition wall including a wall portion and a blocking portion located on one side of the wall portion away from the base substrate, an orthographic projection of the blocking portion on the base substrate covering and having an area greater than that of the wall portion on the base substrate; and an organic evaporation layer located on one side of the partition pattern layer away from the base substrate, the organic evaporation layer is discontinuous by being blocked by the partition wall.