公开(公告)号：US12243970B2

公开(公告)日：2025-03-04

申请号：US17628425

申请日：2021-02-03

Applicant: BOE Technology Group Co., Ltd.

Inventor： Long Han ,  Pinfan Wang ,  Fangxu Cao ,  Wenqiang Li ,  Libin Liu

IPC: H01L27/12 ,  H01L27/15 ,  H01L29/786 ,  H01L33/62

Abstract: A display substrate and a display device. The display substrate includes: a plurality of pixel islands, a first opening, a second opening and a first passage region. Each pixel island includes at least one pixel, each pixel includes a plurality of first driving lines, the first passage region is provided with a plurality of first connection lines, each of the plurality of pixel islands further includes a plurality of transfer lines, and the plurality of transfer lines are arranged in different layers from the plurality of first driving lines and cross each other to form a plurality of overlapping regions; the plurality of transfer lines are electrically connected with the plurality of first driving lines through via holes located in part of the overlapping regions, and the transfer lines in two adjacent pixel islands are respectively connected with the plurality of first connection lines in the first passage region.

公开(公告)号：US11923379B2

公开(公告)日：2024-03-05

申请号：US18130677

申请日：2023-04-04

Applicant: BOE Technology Group Co., Ltd.

Inventor： Caiyu Qu ,  Fangxu Cao ,  Yanjun Hao ,  Huijuan Zhang ,  Yibing Fan ,  Zunqing Song ,  Dengyun Chen

IPC: H01L29/40 ,  H01L27/12

CPC classification number: H01L27/1244 ,  H01L27/1237 ,  H01L27/1259

Abstract: Provided is a method for preparing a display substrate. The method includes: providing a substrate, the substrate including a plurality of pixel island regions spaced apart and a plurality of bridge regions connecting adjacent pixel island regions; forming thin film transistors and first signal lines in the pixel island regions, and forming first connecting bridges in the bridge regions; and forming second signal lines, second connecting bridges, and a source/drain layer on the substrate by a one-time patterning process.

公开(公告)号：US11770957B2

公开(公告)日：2023-09-26

申请号：US17357397

申请日：2021-06-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Bingwei Wang ,  Fangxu Cao

IPC: H10K59/35 ,  H10K50/844 ,  H10K50/84 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K59/353 ,  H10K50/844 ,  H10K50/846 ,  H10K71/00 ,  H10K59/1201

Abstract: Disclosed are a display panel, a manufacturing method of the display panel, and a display apparatus. The display panel includes: a base substrate; and a pixel circuit film layer disposed on the base substrate. The display panel has a plurality of island regions, opening regions between the adjacent island regions, and bridge regions connecting adjacent island regions. Where the plurality of island regions are provided therein the base substrate and the pixel circuit film layer; the opening regions each is provided with a first via hole, and the first via hole runs through the base substrate and the pixel circuit film layer. The display panel further comprises: deformable components each filling the first via hole; where each deformable component comprises an elastic material.

公开(公告)号：US11436949B2

公开(公告)日：2022-09-06

申请号：US16914499

申请日：2020-06-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Huijuan Zhang ,  Shantao Chen ,  Fangxu Cao

IPC: G09F9/30 ,  H01L27/32 ,  H01L51/00 ,  H01L51/56

Abstract: The present disclosure provides a display substrate, a preparation method thereof and a display apparatus. The display substrate includes a flexible substrate and a compensation layer arranged on the flexible substrate, wherein an OLED pixel is arranged on the compensation layer, a surface of the compensation layer facing the OLED pixel being an inclined surface with respect to the flexible substrate.

公开(公告)号：US11327533B2

公开(公告)日：2022-05-10

申请号：US16836019

申请日：2020-03-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Haoran Wang ,  Fangxu Cao ,  Liming Dong ,  Yonghong Zhou ,  Xueyang Cao

IPC: G06F1/16 ,  G09F9/30 ,  G09G3/00

Abstract: The preset disclosure relates to a flexible display screen and an electronic device. The flexible display screen includes: a display screen body having a flat position and a bendable position; and a support plate disposed on a non-display surface of the display screen body; wherein the support plate comprises a flat plate and a bending portion; the flat plate is located at the flat position, and configured to support the display screen body; the bending portion is located at the bendable position and bent to fit the bendable position of the display screen body, and includes a plurality of deformation holes spaced from each other.

公开(公告)号：US11209867B2

公开(公告)日：2021-12-28

申请号：US16820823

申请日：2020-03-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Fangxu Cao ,  Haoran Wang ,  Liming Dong ,  Yonghong Zhou

IPC: G06F1/16 ,  G09F9/30

Abstract: This application relates to a supporting structure applied to a flexible display panel and a display device. The supporting structure includes: a bendable region having a plurality of first hollowed-out holes, a bendable axis corresponding to the bendable region extending in a first direction; and at least two fixed regions at opposite sides of the bendable region in a second direction intersecting with the first direction. The fixed region has a rigid holding portion and a buffer portion having a plurality of second hollowed-out holes. The buffer portion is connected to the bendable region, and rigidity of the buffer portion is greater than or equal to rigidity of the bendable region. At least part of the rigid holding portion is provided at a side of the buffer portion away from the bendable region, and rigidity of the rigid holding portion is greater than rigidity of the buffer portion.

公开(公告)号：US12295216B2

公开(公告)日：2025-05-06

申请号：US17769030

申请日：2021-05-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jia Zhao ,  Pinfan Wang ,  Fangxu Cao ,  Zunqing Song

IPC: H10K59/124 ,  H10K59/12 ,  H10K102/00

Abstract: A display substrate has a central region and an edge region, and includes a plurality of structural units arranged in an array in the central region and the edge region; each structural unit is provided with a plurality of through holes, and divided by the plurality of through holes into a pixel island for displaying and a bridge portion for transmitting signals; the plurality of through holes are arranged around the pixel island; a part of the bridge portion is positioned between the pixel island and the through holes, and another part of the bridge portion is positioned between adjacent through holes; and a pixel pitch between adjacent pixel islands in the structural units in the edge region is equal to a pixel pitch between adjacent pixel islands in the structural units in the central region.

公开(公告)号：US12010884B2

公开(公告)日：2024-06-11

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: H10K59/131 ,  H10K50/844 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K59/131 ,  H10K50/844 ,  H10K71/00 ,  H10K59/1201

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.

公开(公告)号：US11957039B2

公开(公告)日：2024-04-09

申请号：US17412120

申请日：2021-08-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zunqing Song ,  Fangxu Cao

IPC: H10K77/10 ,  H10K50/844 ,  H10K59/12 ,  H10K71/00 ,  H10K71/80 ,  H10K102/00

CPC classification number: H10K77/111 ,  H10K50/844 ,  H10K59/12 ,  H10K71/00 ,  H10K71/80 ,  H10K59/1201 ,  H10K2102/311

Abstract: Organic light-emitting display substrates and methods of preparing the same, and organic light-emitting display apparatuses are provided. An organic light-emitting display substrate includes a display area and opening areas in the display area. A method of preparing the organic light-emitting display substrate includes: forming a flexible substrate on a support substrate, where the flexible substrate includes openings located in the opening areas respectively; forming an organic light-emitting device layer on a side of the flexible substrate away from the support substrate; forming an encapsulation layer on a side of the organic light-emitting device layer away from the flexible substrate, such that the encapsulation layer covers the organic light-emitting device layer and the openings, where the encapsulation layer includes first to-be-etched portions; etching the first to-be-etched portions to remove the first to-be-etched portions; and peeling off the support substrate from the flexible substrate to obtain the organic light-emitting display substrate.

公开(公告)号：US11806974B2

公开(公告)日：2023-11-07

申请号：US17222150

申请日：2021-04-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Fangxu Cao ,  Pinfan Wang ,  Haoran Wang ,  Xiaofei Luo ,  Yaming Wang ,  Zuojia Wang ,  Hejin Wang

IPC: B32B3/02 ,  B32B37/14

CPC classification number: B32B3/02 ,  B32B37/142 ,  B32B2457/20

Abstract: A display panel, a display device and a manufacturing method thereof are provided. The display device includes a display panel laminated to the curved cover plate. A main display area, a first sub-area, and a second sub-area of the display panel each include multiple through holes penetrating through the display panel, and the through holes define pixel islands for display and bridges for signal transmission; the through holes are disposed around the pixel islands; a part of the bridge is located between the pixel island and the through hole, the other part is located between adjacent through holes.