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：US20220262888A1

公开(公告)日：2022-08-18

申请号：US17630132

申请日：2021-04-09

Applicant: Chengdu BOE Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Kuo SUN ,  Pinfan WANG ,  Yucheng CHAN ,  Wenqiang LI ,  Zhenhua ZHANG

IPC: H01L27/32

Abstract: Disclosed are a display panel and a display device. The display panel includes: a plane display unit; and a corner display unit. The corner display unit is located at the corner position on the periphery of the plane display unit, and has a plurality of corner pixels. Each corner pixel includes four corner sub-pixels, i.e., a first corner sub-pixel and a second corner sub-pixel respectively located on two opposite vertexes of a quadrilateral, and a third corner sub-pixel and a fourth corner sub-pixel located another two opposite vertexes of the quadrilateral. The first corner pixel drive circuit, the second corner pixel drive circuit, the third corner pixel drive circuit, and the fourth corner pixel drive circuit are located in the same corner pixel drive circuit row.

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.

公开(公告)号：US20200227586A1

公开(公告)日：2020-07-16

申请号：US16712075

申请日：2019-12-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pinfan WANG ,  Shantao CHEN ,  Shuai ZHANG ,  Ming LIU ,  Qiuhua MENG

IPC: H01L33/00 ,  G06F1/16 ,  H01L25/075

Abstract: The present disclosure provides a flexible display substrate, a method for manufacturing the same, and a flexible display device, and belongs to the technical field of display. Among them, the method for manufacturing a flexible display substrate includes: providing a carrier substrate; forming a flexible display substrate including a plurality of pre-cuts on the carrier substrate, with the plurality of pre-cuts exposing the carrier substrate; forming an inverted frustum structure on the carrier substrate at the plurality of pre-cuts, an orthogonal projection of a lower end surface of the inverted frustum structure on the carrier substrate is located within an orthogonal projection of an upper end surface of the inverted frustum structure on the carrier substrate; packaging the flexible display substrate; and peeling the flexible display substrate packaged from the carrier substrate.

公开(公告)号：US20200031095A1

公开(公告)日：2020-01-30

申请号：US16399075

申请日：2019-04-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pinfan WANG ,  Hejin WANG

IPC: B32B7/035 ,  B32B38/00 ,  B32B27/08 ,  B32B27/36 ,  B32B27/30 ,  B32B27/28 ,  B32B3/02 ,  B32B7/02 ,  G09F9/30

Abstract: The present disclosure provides a stretchable film and a fabricating method thereof, and a display device including the same. The stretchable film is composed of at least two layers, where each layer includes a first portion and a plurality of second portions. The first portion is a grid-like structure having a plurality of openings, and the second portion is an island-like structure in the opening. Any one of the plurality of second portions in any one layer does not completely overlap with any one of the plurality of second portions in other layers. The first portions of adjacent layers are partially overlapped, and the overlapped portions are adhered together. The first portion has an elasticity modulus that is less than an elasticity modulus of the second portion.

公开(公告)号：US20200027936A1

公开(公告)日：2020-01-23

申请号：US16518246

申请日：2019-07-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pinfan WANG ,  Pohsien WU ,  Mingche HSIEH

IPC: H01L27/32 ,  G03F7/09

Abstract: A display panel is provided, which includes a substrate, multiple light emitting structures arranged in an array on the substrate, a blocking structure at least arranged in a peripheral region of the substrate, and a cathode layer arranged on the multiple light emitting structures and the blocking structure. The cathode layer is discontinuous at a location corresponding to the blocking structure.