公开(公告)号：US20220406857A1

公开(公告)日：2022-12-22

申请号：US17594057

申请日：2020-12-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shuang DU ,  Paoming TSAI ,  Zhao LI

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  G02F1/157 ,  G02F1/1335 ,  G02F1/13357 ,  G02F1/153 ,  G02F1/1516

Abstract: This disclosure relates to a display substrate. The display substrate includes: a backplate, and a light-emitting device and a thin film encapsulation layer which are successively formed on the backplate, wherein the backplate includes a display area, the display area includes a plurality of pixel areas arranged in an array; the display substrate further includes an electrochromic unit arranged on a side, away from the backplate, of the thin film encapsulation layer, wherein the electrochromic unit includes at least a first area, and projection of the first area onto the backplate covers the pixel areas; the electrochromic unit is in a transparent state when the light-emitting device emits light, and the electrochromic unit is in a black state when the light-emitting device does not emit light. This disclosure also relates to a display apparatus and a display substrate manufacture method.

公开(公告)号：US20220344602A1

公开(公告)日：2022-10-27

申请号：US17422608

申请日：2021-01-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yonghong ZHOU ,  Shiming SHI ,  Meiling GAO ,  Zhao LI ,  Liming DONG

IPC: H01L51/00 ,  H01L51/56

Abstract: A flexible OLED display device includes a flexible display panel and a support member. The flexible display panel includes an active area, an extension portion and a bending portion connecting the active area and the extension portion. The support member is located between the active area and the extension portion. The active area, the support member and the extension portion are stacked, and a predetermined distance is set between the support member and the bending portion in an extending direction parallel to the extension portion.

公开(公告)号：US20200286409A1

公开(公告)日：2020-09-10

申请号：US16075288

申请日：2018-01-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhao LI

IPC: G09F9/30 ,  G09F11/32

Abstract: The present disclosure relate to a display module, comprising: a flexible panel, wherein bumps are formed along two opposing sides of the flexible panel respectively, and a size of the bumps in a thickness direction of the flexible panel is larger than a thickness of the flexible panel; two curled slide rails arranged opposite to and in parallel with each other, wherein each slide rail has a groove for receiving the bump that extends along a curling direction of the slide rail, and for each groove, a groove entry for entering the groove is formed at one end of a respective slide rail; the slide rails and a space therebetween form a receiving rail for receiving the flexible panel; each of the bumps is able to enter a respective groove of the slide rail through the groove entry of the groove and move along the groove where the bump resides.

公开(公告)号：US20170062480A1

公开(公告)日：2017-03-02

申请号：US14914210

申请日：2015-08-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhao LI

IPC: H01L27/12

CPC classification number: H01L27/1218 ,  H01L27/1262

Abstract: The present disclosure belongs to the field of display technologies and provides a flexible substrate and a method for preparing the same, a display substrate and a display device, thereby solving the problems of poor heat absorption and heat-dissipating capability of the existing flexible substrates. The flexible substrate of the disclosure comprises a flexible base and a phase change material that is provided in the flexible base.

Abstract translation: 本公开属于显示技术领域，并且提供了柔性基板及其制备方法，显示基板和显示装置，从而解决了现有柔性基板的吸热差和散热能力差的问题。 本公开的柔性基板包括柔性基座和设置在柔性基座中的相变材料。

公开(公告)号：US20250017075A1

公开(公告)日：2025-01-09

申请号：US18275813

申请日：2022-08-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ziang HAN ,  Zhengdao LIU ,  Song ZHANG ,  Zhao LI ,  Paoming TSAI ,  Chunyan XIE ,  Haoran WANG ,  Biao GAO ,  Shuang DU

IPC: H10K59/80 ,  H10K102/00

Abstract: Provided is a display module, which includes a display panel and a first support assembly disposed on a non-display side of the display panel. For each of a second support structure, a third support structure, and a fourth support structure of the first support assembly which are configured to support bending regions of the display panel, the thickness of the support structure is less than the thickness of a first support structure configured to support a non-bending region of the display panel, and/or the support structure configured to support bending regions of the display panel at least includes a target material with a lower elasticity modulus.

公开(公告)号：US20240215188A1

公开(公告)日：2024-06-27

申请号：US17909763

申请日：2021-11-17

Applicant: BOE Technology Group Co., Ltd.

Inventor： Biao GAO ,  Zhao LI

IPC: H05K5/03

CPC classification number: H05K5/03

Abstract: A cover plate for a foldable display module, a foldable display module and a display device are provided, the cover plate is disposed at a display side of a flexible display substrate, the foldable display module includes a bending region through which the foldable display module is folded and unfolded. The cover plate includes a first region corresponding to a position of the bending region and a second region positioned at two sides of the first region, and the cover plate further includes a first surface configured to face the flexible display substrate. The cover plate includes first and second side edges parallel to a first direction, the first direction is perpendicular to a bending axis of the foldable display module, and a portion of the second region close to the first side edge or/and the second side edge has a reinforcement strip which is disposed on the first surface.

公开(公告)号：US20240206252A1

公开(公告)日：2024-06-20

申请号：US17909996

申请日：2021-11-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhao LI ,  Shiming SHI ,  Liming DONG

IPC: H10K59/131 ,  H10K59/90 ,  H10K102/00

CPC classification number: H10K59/131 ,  H10K59/90 ,  H10K2102/311

Abstract: A display substrate and a display apparatus, the display substrate includes a display region and a bonding region located on a side of the display region, the bonding region includes a first bending area close to the display region, and a transition connection area, a second bending area and a bonding pin area connected sequentially along a direction away from the first bending area, the transition connection area connects the first bending area with the second bending area; the transition connection area, the second bending area and the bonding pin area are bent to a side of the display region facing away from a display side through the first bending area; the bonding pin area is bent toward a surface of the display region facing away from the display side through the second bending area, and the bonding pin area is in bonding connection with an external circuit board.

公开(公告)号：US20220390983A1

公开(公告)日：2022-12-08

申请号：US16957431

申请日：2019-08-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Meiling GAO ,  Zhao LI

IPC: G06F1/16 ,  H01L27/32 ,  G02B1/14 ,  G06F3/041

Abstract: A foldable display screen and a manufacturing method thereof, and a display apparatus are provided. The foldable display screen includes a display panel and an optically clear adhesive (OCA) layer. The display panel includes a bending region and a non-bending region; and the bending region is configured to be bent along an axis extending in a first direction, the non-bending region is on at least one side of the bending region in a second direction. The OCA layer includes a first portion and a second portion, the first portion is in the bending region, an edge of the first portion in the first direction overlaps with an edge of the bending region in the first direction, the second portion is located in the non-bending region, and a spacing is formed between the second portion and an edge of the non-bending region in the first direction.

公开(公告)号：US20220285450A1

公开(公告)日：2022-09-08

申请号：US17630230

申请日：2021-04-09

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shiming SHI ,  Zhao LI

IPC: H01L27/32 ,  H01L51/52

Abstract: Provided is a foldable display module, including: a bendable display panel (10); a touch structure layer (20) disposed on a light-emitting side of the bendable display panel (10); a cover film layer including a first cover layer (31) and a second cover layer (32) disposed on a side of the first cover layer (31) away from the bendable display panel (10); and a plurality of organic film layers including at least one organic bonding layer (50) and at least one structural functional layer (60), with the at least one organic bonding layer (50) including a first optical adhesive layer, the at least one structural functional layer (60) including at least one of a circular polarizer (POL) and a back film (BF), the circular polarizer (POL) being located between the touch structure layer (20) and the bendable display panel (10), and the back film (BF) being located on a backlight side of the bendable display panel (10). An elastic modulus of the organic bonding layer (50) at −30° C. is 1.3 to 35 times that of the organic bonding layer (50) at 20° C., and is 2 to 140 times that of the organic bonding layer (50) at 60° C.; and an elastic modulus of the structural functional layer (60) is greater than 1 GPa.

公开(公告)号：US20220238048A1

公开(公告)日：2022-07-28

申请号：US17482078

申请日：2021-09-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Biao GAO ,  Zhao LI ,  Xiaofei LUO

IPC: G09F9/30 ,  H01L51/00 ,  H01L51/52

Abstract: A display panel includes a base substrate and a flexible substrate layer. The base substrate includes a flat portion and a curved portion extending from the flat portion and curved towards a side of the base substrate facing away a display surface of the display panel. The flexible substrate layer includes a first portion on a side of the base substrate facing the display surface and a second portion on a side of the base substrate facing away from the display surface. The first portion includes a pixel circuit and the second portion includes a signal line electrically connected to the pixel circuit. The display panel further includes a support structure including a support surface facing away from the display surface, the second portion is coupled to the support surface, and a plane of the support surface intersects a plane of the flat portion of the base substrate.