公开(公告)号：US12232349B2

公开(公告)日：2025-02-18

申请号：US17229213

申请日：2021-04-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pinfan Wang ,  Chenyu Chen ,  Lujiang Huangfu ,  Fangxu Cao ,  Yucheng Chan

IPC: H01L51/52 ,  G02F1/1333 ,  H10K50/84 ,  B32B7/12

Abstract: The present disclosure relates to a display device, which includes a curved cover plate, an optical adhesive layer, and a display module that are sequentially disposed in a thickness direction thereof. The display module includes a curved surface region, the curved surface region being curved in at least two intersecting directions to form a spherical surface; the curved surface region comprises a first sub-area and a second sub-area, the second sub-area is located on a side of the first sub-area away from a center of curvature of the spherical surface; the second sub-area is wavy in the thickness direction, the wavy second sub-area is composed of a plurality of arc-shaped structures, and protruding directions of adjacent arc-shaped structures are opposite to each other; and the optical adhesive layer is completely attached to each of the arc-shaped structures.

公开(公告)号：US12120906B2

公开(公告)日：2024-10-15

申请号：US17630116

申请日：2021-04-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hongwei Tian ,  Yanan Niu ,  Hejin Wang ,  Pinfan Wang ,  Fangxu Cao ,  Zheng Liu

IPC: H10K59/12 ,  H10K50/844 ,  H10K59/131 ,  H10K71/00 ,  H10K59/122

CPC classification number: H10K50/844 ,  H10K59/131 ,  H10K71/00 ,  H10K59/1201 ,  H10K59/122

Abstract: Provided are a display substrate, a display device, and a method for manufacturing the display substrate. The display substrate includes: a first inorganic encapsulation layer covering pixels of an island region and covering a signal line of a bridge region, a first organic encapsulation layer covering the first inorganic encapsulation layer, and multiple insulating layers located in the bridge region and between the first inorganic encapsulation layer and a substrate.

公开(公告)号：US11696461B2

公开(公告)日：2023-07-04

申请号：US17349308

申请日：2021-06-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Fangxu Cao ,  Jia Zhao

IPC: H10K50/84 ,  H10K50/86 ,  H10K71/00 ,  H10K77/10

CPC classification number: H10K50/84 ,  H10K50/865 ,  H10K71/00 ,  H10K77/111

Abstract: Disclosed are a display panel, a manufacturing method and a stretchable display device. The display panel includes a rigid substrate; a flexible substrate and an encapsulation layer. The flexible substrate includes a plurality of through-groove structures and at least one through-groove structure includes a non-fixed region and a fixed region surrounding the non-fixed region. A portion of the encapsulation layer located in the at least one through-groove structure includes a first sub-portion located in the fixed region and attached to the rigid substrate and a second sub-portion located in the non-fixed region and attached to the rigid substrate by an organic separation layer, the second sub-portion is configured to be separated from the rigid substrate in a case of gasification of the organic separation layer, and the first sub-portion is configured to be lifted off from the flexible substrate together with the rigid substrate under an external force.

公开(公告)号：US11380752B2

公开(公告)日：2022-07-05

申请号：US16771578

申请日：2019-08-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jia Zhao ,  Fangxu Cao ,  Pinfan Wang

IPC: H01L27/32 ,  H01L25/16 ,  H01L51/00 ,  H01L51/56

Abstract: A stretchable display panel is provided. The stretchable display panel includes a plurality of encapsulated islands; and a plurality of bridges connecting the plurality of encapsulated islands. A respective one of the plurality of bridges connects two adjacent encapsulated islands of the plurality of encapsulated islands along an extension direction from a first one of the two adjacent encapsulated islands to a second one of the two adjacent encapsulated islands. The respective one of the plurality of bridges includes a plurality of first parts and a plurality of second parts alternately arranged. The stretchable display panel includes an insulating layer. The insulating layer includes a plurality of insulating blocks respectively in the plurality of first parts. The insulating layer is at least partially absent in the respective one of the plurality of second parts.

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：US11635784B2

公开(公告)日：2023-04-25

申请号：US16815394

申请日：2020-03-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Haoran Wang ,  Fangxu Cao ,  Liming Dong ,  Yonghong Zhou ,  Xucong Wang ,  Benlian Wang ,  Weinan Dai ,  Dengyu Wang

IPC: G06F1/16

Abstract: The present disclosure provides a foldable support, fabricating method thereof, and a display device. The foldable support includes a metal layer having a non-bending region and at least one bending region, where the metal layer includes a plurality of recessed portions at the at least one bending region, and at least one of sidewalls of the plurality of recessed portions is not perpendicular to a plane where the metal layer is located.