公开(公告)号：US20200075898A1

公开(公告)日：2020-03-05

申请号：US16512695

申请日：2019-07-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Penghao GU ,  Chunyan XIE ,  Wei WANG ,  Paoming TSAI

IPC: H01L51/56 ,  H01L51/00

Abstract: A method and an apparatus for manufacturing a display substrate are provided. The method includes: a back film material forming step of forming a back film material having first adhesion on a substrate, the substrate includes a substrate region and a peripheral region surrounding the substrate region, and the substrate region includes a display region, a bending region, and a bonding region sequentially arranged in a first direction; a back film cutting step of cutting the back film material along outlines of the display region and the bonding region; a back film removing step of removing the back film material in the peripheral region and the bending region; and a back film adhesion enhancing step of enhancing adhesion of the back film material in the display region and the bonding region from the first adhesion to second adhesion, so as to form a back film on the substrate.

公开(公告)号：US20200058899A1

公开(公告)日：2020-02-20

申请号：US16606390

申请日：2018-12-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dejun BU ,  Paoming TSAI

IPC: H01L51/52 ,  H01L51/00 ,  H01L27/32 ,  G02F1/1339 ,  G02F1/1333 ,  C09J7/40 ,  C09J7/30

Abstract: Disclosed belongs to the technical field of displaying, and particularly relates to a sealant tape, a display panel and methods for manufacturing the same. The sealant tape comprises a substrate and an adhesive layer provided on at least one side of the substrate, wherein the substrate comprises a first elastomer, and the adhesive layer comprises a second elastomer and a crosslinking agent. Both of the substrate and the adhesive layer of the sealant tape are formed of elastomeric materials, and the adhesive layer further comprises a crosslinking agent to adjust the storage modulus thereof, such that the sealant tape can withstand a higher stress while provides excellent bending performance, and has a higher viscosity to ensure that it will not be unglued when the display panel is folded and thus it can be prevented from being damaged during folding or bending of the flexible display panel, ensuring good packaging performance.

公开(公告)号：US20190373743A1

公开(公告)日：2019-12-05

申请号：US16422395

申请日：2019-05-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lu LIU ,  Paoming TSAI ,  Dejun BU

IPC: H05K5/00 ,  H05K5/02

Abstract: A foldable display has a foldable area. The foldable display includes: a flexible display screen having a display surface and a back surface opposite to the display surface; a foldable mechanism fastened on the back surface of the flexible display screen; and a elastic portion disposed between the foldable mechanism and the flexible display screen. The elastic portion is connected to the foldable mechanism and the flexible display screen. At least a part of the elastic portion is located in the foldable area. The at least a part of the elastic portion located in the foldable area is configured to elastically deform as the flexible display screen and the foldable mechanism are synchronously switched between a folded state and a flattened out state.

公开(公告)号：US20190173051A1

公开(公告)日：2019-06-06

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: H01L51/52 ,  H01L27/32 ,  H01L51/56 ,  C09J7/25 ,  C09J11/04 ,  H01L51/00

CPC classification number: H01L51/5253 ,  C08K3/105 ,  C08K3/36 ,  C08K7/24 ,  C08K2003/0806 ,  C08K2003/0831 ,  C08K2003/222 ,  C08K2003/2241 ,  C08K2003/2296 ,  C08K2201/005 ,  C08K2201/011 ,  C09J7/25 ,  C09J7/30 ,  C09J7/40 ,  C09J11/04 ,  C09J2201/622 ,  C09J2203/318 ,  C09J2203/326 ,  C09J2205/102 ,  C09J2479/086 ,  H01L27/322 ,  H01L27/323 ,  H01L27/3244 ,  H01L51/0035 ,  H01L51/004 ,  H01L51/524 ,  H01L51/5281 ,  H01L51/56 ,  H01L2251/5338

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：US20250017060A1

公开(公告)日：2025-01-09

申请号：US18278408

申请日：2022-08-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Chunyan XIE ,  Pinfan WANG ,  Song ZHANG ,  Paoming TSAI

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

Abstract: Provided is a stretchable display panel, including: a flexible substrate, including a plurality of island regions spaced apart from each other, a plurality of bridge regions configured to connect the plurality of island regions, and a first hollowed hole surrounded by the island regions and the bridge regions; a plurality of unit display portions, each of the unit display portions including a display region and a non-display region on a periphery of the display region, and including a drive backplane, and an anode layer, a light-emitting layer, and a cathode layer which are stacked on the drive backplane; and connecting portions, disposed on the bridge regions and configured to connect the adjacent unit display portions. The drive backplane includes a partition groove in the non-display region. A portion of the cathode layer inside the partition groove is disconnected from a portion of the cathode layer outside the partition groove.

公开(公告)号：US20240164183A1

公开(公告)日：2024-05-16

申请号：US17780530

申请日：2021-07-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Chunyan XIE ,  Paoming TSAI ,  Song ZHANG ,  Li JIA ,  Tao GAO

IPC: H10K59/80 ,  H10K59/131

CPC classification number: H10K59/873 ,  H10K59/131

Abstract: Disclosed are a display substrate and a display apparatus. The display substrate includes a display region, an opening region located in the display region, and a frame region located between the display region and the opening region. The frame region at least includes a first isolation region, and the first isolation region includes at least one signal line group and at least one organic insulation layer which are stacked. At least two first isolation grooves are disposed in the at least one organic insulation layer, the at least two first isolation grooves are disposed at intervals along a direction away from the opening region, and an orthographic projection of the signal line group in the frame region is located between orthographic projections of the at least two first isolation grooves in the frame region.

公开(公告)号：US20230335022A1

公开(公告)日：2023-10-19

申请号：US18338664

申请日：2023-06-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Haoran WANG ,  Dejun BU ,  Paoming TSAI

IPC: G09F9/30 ,  H10K50/842 ,  H10K77/10

CPC classification number: G09F9/301 ,  H10K50/8426 ,  H10K77/111 ,  H10K2102/311

Abstract: The present disclosure relates a display device, including a flexible display panel with a bendable region and a flexible support attached to a back side of the flexible display panel, the flexible support includes a flexible support body, and a first part of the flexible support body corresponding to the bendable region is provided with a concave structure.

公开(公告)号：US20230168419A1

公开(公告)日：2023-06-01

申请号：US17922068

申请日：2021-10-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiongnan ZHANG ,  Paoming TSAI ,  Haoran WANG ,  Ziang HAN

IPC: G02B5/30 ,  H10K59/40 ,  H10K59/80

CPC classification number: G02B5/3016 ,  G02B5/3025 ,  H10K59/40 ,  H10K59/871 ,  H10K2102/311

Abstract: A flexible touch display module (100) and a touch display device (1000) including the flexible touch display module, the flexible touch display module (100) includes: a flexible display panel (1), a flexible cover plate (2), a linear polarization layer (3), a first retardation plate (4) and a second retardation plate (5). An absorption axis of the linear polarization layer (3) is at an angle of about 90°. The first retardation plate (4) includes a first retardation film (41), and the first retardation film (41) is a liquid crystal layer having a quarter-wavelength retardation. The first retardation film (41) has a major axis and a minor axis in a plane parallel to flexible display panel (1), and an included angle between a direction in which the minor axis of the first retardation film (41) extends and the absorption axis of the linear polarization layer (3) is about 45°.

公开(公告)号：US20230157147A1

公开(公告)日：2023-05-18

申请号：US17423254

申请日：2021-02-02

Applicant: BOE Technology Group Co., Ltd.

Inventor： Haoran WANG ,  Paoming TSAI

IPC: H10K77/10 ,  H05K5/02 ,  B32B15/04 ,  B32B3/26 ,  B32B7/12

CPC classification number: H10K77/111 ,  H05K5/0217 ,  B32B15/04 ,  B32B3/266 ,  B32B7/12 ,  H10K2102/311

Abstract: The present disclosure relates to a metal support including a bendable region, a non-bendable region, and at least one patterned region covering at least the bendable region. The bendable region is capable of bending in a first direction, a plurality of columns of hollowed-out parts arranged side by side along the first direction are arranged in the patterned region, each column of the hollowed-out parts includes a plurality of openings arranged at intervals along the second direction, and the patterned region includes two first edges arranged opposite to each other in the first direction, the hollowed-out part near the first edge is arc-shaped, convex sides of two arcs face each other, and the first direction and the second direction are perpendicular. The present disclosure also relates to a flexible display device.

公开(公告)号：US20220082748A1

公开(公告)日：2022-03-17

申请号：US17207869

申请日：2021-03-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Haoran WANG ,  Xiongnan ZHANG ,  Paoming TSAI ,  Pinfan WANG

IPC: G02B5/30 ,  H01L51/56 ,  H01L51/52

Abstract: The present disclosure relates to the field of display and, in particular, to a polarizing structure, a modular structure, and a manufacturing method thereof. The polarizing structure includes a support film having first and second bonding sides disposed oppositely in the thickness direction thereof, wherein the first bonding side can be bonded to the curved cover plate, and a polarizer bonded on the second bonding side of the support film. An outer contour of the orthographic projection of the support film on a reference plane is located outside the outer contour of the orthographic projection of the polarizer on the reference plane. The minimum distance between the outer contours of the orthographic projections of the support film and the polarizer on the reference plane may be, for example, greater than 0.5 mm. The reference plane is a plane perpendicular to the thickness direction.