公开(公告)号：US11302879B2

公开(公告)日：2022-04-12

申请号：US16620559

申请日：2018-10-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Lu Liu ,  Pao Ming Tsai ,  Peng Cai ,  Hong Li ,  Dejun Bu ,  Jianwei Li ,  Liqiang Chen

IPC: H01L51/00 ,  H01L51/56

Abstract: A flexible display substrate and a manufacturing method therefor, and a display apparatus, for relieving the problem that it is difficult to bend the flexible display substrate in a bending region to damage an upper circuit. The flexible display substrate comprises a back film, a first flexible base substrate located above the back film, and a second flexible base substrate located on one side of the first flexible base substrate facing away from the back film. The flexible display substrate has a bending region. An auxiliary layer is further provided between the first flexible base substrate and the second flexible base substrate. At least part of the auxiliary layer in the bending region can be decomposed in a preset condition, wherein the other film layers except the auxiliary layer are maintained at the original status in the preset condition.

公开(公告)号：US10566570B2

公开(公告)日：2020-02-18

申请号：US16002080

申请日：2018-06-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dejun Bu ,  Paoming Tsai ,  Lu Liu ,  Liqiang Chen ,  Hong Li ,  Jianwei Li ,  Shuang Du

IPC: H01L51/00 ,  H01L51/52 ,  H01L51/56 ,  C09J7/25 ,  C09J11/04 ,  H01L27/32 ,  C08K7/24 ,  C08K3/36 ,  C08K3/22 ,  C08K3/08 ,  C08K3/105

Abstract: The present disclosure relates to the field of display, in particular to a composite cover film and a flexible display device. The composite cover film comprises a polyimide layer, and a first hard coating and a first transparent optical adhesive layer disposed on two sides of the polyimide layer, respectively, wherein at least one of the first hard coating and the first transparent optical adhesive layer contains a nanoscale colorant. The present disclosure further relates to a flexible display device comprising a flexible display panel and the composite cover film disposed on a light-exiting side of the flexible display panel.

公开(公告)号：US20190148327A1

公开(公告)日：2019-05-16

申请号：US16125063

申请日：2018-09-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liqiang Chen ,  PaoMing Tsai ,  Jianwei Li ,  Dejun Bu ,  Shuang Du ,  Can Zheng

IPC: H01L23/00 ,  H01L27/12

Abstract: The present disclosure provides a driving chip, a display substrate, a display device and a method for manufacturing a display device. The driving chip according to the present disclosure includes a substrate; and a plurality of connecting bumps and a plurality of supporting bumps disposed on the substrate. The plurality of connecting bumps include at least one set of connecting bumps arranged along a first direction, and the plurality of supporting bumps include the supporting bump that is located between the adjacent connecting bumps arranged along the first direction.

公开(公告)号：US11455824B2

公开(公告)日：2022-09-27

申请号：US16168333

申请日：2018-10-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dejun Bu ,  Paoming Tsai ,  Jianwei Li

IPC: G06V40/13 ,  H05K5/03 ,  G06F3/042 ,  G06F3/041

Abstract: A cover plate and a manufacturing method thereof, an electronic device are disclosed. The cover plate includes an operation area, the operation area includes an identification area and a non-identification area, the cover plate includes a contact surface, the contact surface includes a first contact surface and a second contact surface, the first contact surface is in the identification area, the second contact surface is in the non-identification area, and the first contact surface and the second contact surface have different contact properties.

公开(公告)号：US10971465B2

公开(公告)日：2021-04-06

申请号：US16125063

申请日：2018-09-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liqiang Chen ,  PaoMing Tsai ,  Jianwei Li ,  Dejun Bu ,  Shuang Du ,  Can Zheng

IPC: H01L23/00 ,  H01L27/12 ,  H01L27/32

Abstract: The present disclosure provides a driving chip, a display substrate, a display device and a method for manufacturing a display device. The driving chip according to the present disclosure includes a substrate; and a plurality of connecting bumps and a plurality of supporting bumps disposed on the substrate. The plurality of connecting bumps include at least one set of connecting bumps arranged along a first direction, and the plurality of supporting bumps include the supporting bump that is located between the adjacent connecting bumps arranged along the first direction.

公开(公告)号：US20190157586A1

公开(公告)日：2019-05-23

申请号：US15989002

申请日：2018-05-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lu Liu ,  Shuang Du ,  Hong Li ,  Jianwei Li ,  Peng Cai ,  Dejun Bu ,  Wenwen Sun ,  Pao Ming Tsai

IPC: H01L51/00 ,  H01L51/56

Abstract: This disclosure provides a flexible display panel and a production method thereof, as well as a display apparatus. The flexible display panel comprises: a flexible substrate; an inorganic film layer formed on the flexible substrate, comprising an encapsulating area and a non-encapsulating area, wherein a plurality of micropores are distributed on the inorganic film layer in the non-encapsulating area, and the micropores have a depth greater than or equal to a thickness of the inorganic film layer in the non-encapsulating area.

公开(公告)号：US11069264B2

公开(公告)日：2021-07-20

申请号：US15991117

申请日：2018-05-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jianwei Li ,  Pao Ming Tsai ,  Shuang Du ,  Hong Li ,  Dejun Bu ,  Liqiang Chen ,  Lu Liu ,  Peng Cai

IPC: G06F9/30 ,  H01L51/00 ,  B23B7/12 ,  H05K5/03 ,  H01L51/52 ,  B32B17/06 ,  B32B3/30 ,  G09F9/30 ,  B32B7/12 ,  G02B1/11 ,  B32B27/28 ,  B32B27/06

Abstract: The present disclosure discloses a cover structure, a manufacturing method thereof and a display device. The cover structure includes a first and a second transparent flexible film layer, a glass panel, and a first optical adhesive layer. The first transparent flexible film layer has a folded region and a non-folded region. The glass panel is disposed on the first transparent flexible film layer, and a projection of the glass panel on the first transparent flexible film layer is located inside the non-folded region. A part of the first optical adhesive layer is formed at a side of the glass panel facing away from the first transparent flexible film layer, and a part of the first optical adhesive layer covers the folded region of the first transparent flexible film layer. The second transparent flexible film layer is formed at a side of the first optical adhesive layer facing away from the first transparent flexible film layer.

公开(公告)号：US10950672B2

公开(公告)日：2021-03-16

申请号：US16130099

申请日：2018-09-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chunyan Xie ,  Jianwei Li ,  Liqiang Chen ,  Song Zhang

IPC: H01L27/32 ,  H01L51/56 ,  G09F9/30 ,  H01L51/52 ,  H01L51/00

Abstract: The present disclosure provides a flexible display device, a display apparatus, and a method for manufacturing the flexible display device. The flexible display device comprises a flexible display panel, a hardened layer, and an integrated circuit layer with bumps. A front surface of the flexible display panel is provided with a circuit bonding region. The flexible display panel comprises a first flexible substrate. The hardened layer is on the first flexible substrate. The hardened layer is at a position corresponding to the circuit bonding region. The integrated circuit layer is bonded to the circuit bonding region by the bumps.

公开(公告)号：US20210011201A1

公开(公告)日：2021-01-14

申请号：US16489964

申请日：2019-03-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jianwei Li ,  Paoming Tsai ,  Dejun Bu

IPC: G02B1/14 ,  G02B5/20 ,  G02B5/30

Abstract: Disclosed herein is a flexible polarizing cover plate including laminated polarizers and a hard coating. The hard coating includes a viewable area and a black matrix area surrounding the viewable area. The black matrix area includes a plurality of grooves surrounding the viewable area and ink filled and cured in the plurality of grooves. A preparation method of a flexible polarizing cover plate, a display panel and a display device including the flexible polarizing cover plate are also provided.

公开(公告)号：US10651141B2

公开(公告)日：2020-05-12

申请号：US16122035

申请日：2018-09-05

Applicant: BOE Technology Group Co., Ltd.

Inventor： Liqiang Chen ,  Paoming Tsai ,  Jianwei Li ,  Chen Xu

IPC: H01L23/00 ,  H01L27/12

Abstract: The disclosure relates to the field of display technologies and particularly to a chip, a flexible display panel and a display device. The chip includes a body and a plurality of connection terminals arranged on a surface of the body, where each connection terminal is provided with a stress concentration resisting structure for preventing from producing the stress concentration phenomenon.