公开(公告)号：US20240107824A1

公开(公告)日：2024-03-28

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

CPC classification number: H10K59/124 ,  H10K59/1201 ,  H10K2102/311

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：US20230389375A1

公开(公告)日：2023-11-30

申请号：US18032555

申请日：2022-03-10

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ziyu ZHANG ,  Fangxu CAO

IPC: H10K59/131

CPC classification number: H10K59/131

Abstract: Provided in the present disclosure are a display substrate and a display device. The display substrate includes a display area and a frame area located on at least one side of the display area, and the display area and the frame area include at least one stretching hole; the stretching hole includes a hole area and a partition area, which surrounds the stretching hole, the partition area being provided with a first partition structure surrounding the hole area; and the first partition structure includes a first partition layer, which surrounds the hole area, and a first inorganic layer, which is arranged on the first partition layer, the first partition layer is provided with a partition slot surrounding the hole area, the first inorganic layer is provided with a partition hole surrounding the hole area, and the partition hole is in communication with the partition slot.

公开(公告)号：US20230255074A1

公开(公告)日：2023-08-10

申请号：US17915678

申请日：2021-09-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yang YU ,  Fangxu CAO ,  Pinfan WANG ,  Wenqiang LI ,  Chunyan XIE ,  Bo WANG ,  Jingquan WANG

IPC: H10K59/131 ,  H10K77/10 ,  H10K59/12 ,  H10K59/80

CPC classification number: H10K59/1315 ,  H10K59/873 ,  H10K59/1201 ,  H10K59/80521 ,  H10K77/111

Abstract: A display substrate includes a flexible substrate, a cathode layer located on a first side of the flexible substrate and at least one insulating layer located between the flexible substrate and the cathode layer. The flexible substrate includes at least one stretchable region, the stretchable region extends from the display area to the non-display area, and the stretchable region is provided with a plurality of holes arranged in an array therein. A border of the cathode layer is located in the non-display area. The at least one insulating layer is configured to expose the plurality of holes, the at least one insulating layer is provided with at least one partition groove therein, an orthographic projection of a partition groove on the flexible substrate is disposed around a hole of the plurality of holes, and the partition groove is configured to partition the cathode layer.

公开(公告)号：US20230169900A1

公开(公告)日：2023-06-01

申请号：US17615489

申请日：2021-02-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Long HAN ,  Pinfan WANG ,  Fangxu CAO ,  Wenqiang LI ,  Libin LIU

IPC: G09G3/00 ,  G09G3/3266 ,  G09G3/3233 ,  H10K59/131

CPC classification number: G09G3/035 ,  G09G3/3233 ,  G09G3/3266 ,  H10K59/131 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0286 ,  G09G2320/0233

Abstract: A display substrate and a display device are disclosed. The display substrate includes: a a transition region, located between a first display region and a second display region, the first display region, the second display region and the transition region are provided with a plurality of pixels, the plurality of pixels are arranged in an array in the first direction and a second direction intersecting with the first direction, a pixel per inch (PPI) of the first display region is greater than a PPI of the second display region and a PPI of the transition region, the transition region is further provided with a row driving circuit, the row driving circuit is configured to drive the plurality of pixels in the first display region, the second display region and the transition region by rows.

公开(公告)号：US20220415982A1

公开(公告)日：2022-12-29

申请号：US17781056

申请日：2021-05-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yang YU ,  Fangxu CAO ,  Pinfan WANG ,  Wenqiang LI ,  Bo WANG ,  Jingquan WANG

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

Abstract: A display device, a display panel, and a manufacturing method therefor are provided. The display panel includes a flexible substrate, a display layer on one side of the flexible substrate, and an encapsulation layer covering a surface of the display layer away from the flexible substrate. The display layer has a stretching area provided with a plurality of pixel islands spaced apart and a through-hole. A blocking dam is in an area corresponding to the pixel island and surrounds a plurality of light-emitting units. The encapsulation layer includes an organic layer that is in the stretching area and confined within an annular area surrounded by the blocking dam.

公开(公告)号：US20220263047A1

公开(公告)日：2022-08-18

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: H01L51/52 ,  H01L27/32 ,  H01L51/56

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：US20220246883A1

公开(公告)日：2022-08-04

申请号：US17588306

申请日：2022-01-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ziyu ZHANG ,  Fangxu CAO ,  Chengjie QIN

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

Abstract: Provided are a flexible display panel, a manufacturing method thereof, and a display device. The flexible display panel includes: a flexible substrate including a first surface and a second surface opposite to each other and a through hole that penetrates the flexible substrate in a direction from the first surface to the second surface; an organic coating layer disposed on a hole wall of the through hole; and a thin film transistor layer, a pixel unit and a thin film encapsulation layer that are stacked on the first surface, wherein orthographic projections of the thin film transistor layer and the pixel unit on the second surface are disposed at a side of an orthographic projection of the through hole on the second surface, and the thin film encapsulation layer extends along a side of the organic coating layer distal from the hole wall. By providing the organic coating layer, a contact area of direct contact between the thin film encapsulation layer and a glass substrate at a shielding position is reduced, such that the difficulty in separating the flexible substrate from the glass substrate is reduced.

公开(公告)号：US20210050549A1

公开(公告)日：2021-02-18

申请号：US16862225

申请日：2020-04-29

Applicant: BOE Technology Group Co, Ltd.

Inventor： Pinfan WANG ,  Fangxu CAO

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

Abstract: The disclosure discloses a flexible display panel, a method for manufacturing the same and a display device. The flexible display panel includes a plurality of display sub-regions arranged at intervals, a plurality of flexible bridging portions and a plurality of connecting portions; every two adjacent display sub-regions are electrically connected through at least one of the flexible bridging portions; and the every two adjacent display sub-regions are further connected through at least one of the connecting portions; where when the every two adjacent display sub-regions are stretched, the at least one of the connecting portions is broken preferentially and enables the every two adjacent display sub-regions to deform; and the at least one of the flexible bridging portions electrically connects the every two adjacent display sub-regions before the at least one of the connecting portions is broken and after the at least one of the connecting portions is broken.