公开(公告)号：US20220253104A1

公开(公告)日：2022-08-11

申请号：US17628895

申请日：2021-04-13

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaofei LUO ,  Shangchieh CHU ,  Hong ZHU

IPC: G06F1/16

Abstract: A rollable display device, comprising a housing (1), a driving mechanism and a flexible bearing film (4) which are provided in the housing (1), and a flexible display screen (5). The flexible bearing film (4) is configured to rotate under the driving of the driving mechanism; a first end of the flexible display screen (5) is fixed to the flexible bearing film (4), a second end of the flexible display screen (5) is configured to extend out of the housing (1) from an opening (101) formed in the housing (1), and the flexible display screen (5) can be rolled on the flexible bearing film (4) and can be unfolded under the pulling of external force.

公开(公告)号：US20220173353A1

公开(公告)日：2022-06-02

申请号：US17359681

申请日：2021-06-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaofei LUO ,  Shangchieh CHU ,  Baofeng SUN ,  Yanyan YANG

IPC: H01L51/52

Abstract: A flexible display module and a foldable display apparatus are provided. The flexible display module is assembled with a shell of the foldable display apparatus. The flexible display module includes a bending region, a display panel and a back plate provided on a side of the display panel away from a display side. The flexible display module further includes a support member disposed on a first surface of the back plate away from the display panel, wherein the support member is located in a middle region in a width direction of the bending region, and the support member is configured to be fixed with the shell. A first side surface of the support member is attached and fixed to the first surface of the back plate, a second side surface adjacent to the first side surface of the support member extends along a length direction of the bending region.

公开(公告)号：US20220164001A1

公开(公告)日：2022-05-26

申请号：US17341724

申请日：2021-06-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shangchieh CHU ,  Xiaofei LUO ,  Zhe YANG ,  Junhuan LIU ,  Shouchuan ZHANG ,  Xinyu WANG ,  Hong ZHU

IPC: G06F1/16

Abstract: A flexible screen display device includes: a hollow housing having an opening; a receiving shaft fixed inside the housing; a first guiding shaft fixed inside the housing; a second guiding shaft fixed inside the housing; a flexible screen, one end of which is connected to the receiving shaft, and the other end of which sticks out of the opening via the first guiding shaft and the second guiding shaft to deploy or receive the flexible screen. The first guiding shaft is close to the receiving shaft with respect to the second guiding shaft, and the flexible screen forms a one-time guided bending section via the first guiding shaft and the second guiding shaft.

公开(公告)号：US20230138250A1

公开(公告)日：2023-05-04

申请号：US17914785

申请日：2021-11-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiahao ZHANG ,  Hong ZHU ,  Xiaofei LUO ,  Zhe YANG ,  Shangchieh CHU

IPC: B32B7/02 ,  H10K50/84 ,  B32B7/12 ,  B32B7/022 ,  B32B3/14 ,  B32B15/04 ,  B32B27/28 ,  B32B27/40 ,  B32B5/18 ,  B32B15/18 ,  B32B27/06

Abstract: The flexible display module can be curled, and may comprise: a flexible display panel having a display side and a rear side which are provided opposite to each other in a thickness direction of the flexible display panel; a first functional film layer, formed on a display side of the flexible display panel; and a second functional film layer, formed on the rear side of the flexible display panel. The ratio of the thickness of the second functional film layer to the thickness of the first functional film layer is 0.5 to 1.5, and the ratio of the elasticity modulus of the second functional film layer to the elasticity modulus of the first functional film layer is 0.5 to 1.5. The flexible display module is not prone to peeling, losing efficacy and the like.

公开(公告)号：US20230056590A1

公开(公告)日：2023-02-23

申请号：US17634041

申请日：2021-03-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yanyan YANG ,  Yonghong ZHOU ,  Shangchieh CHU ,  Xiaofei LUO ,  Hong ZHU ,  Shouchuan ZHANG

IPC: H05K5/02

Abstract: A flattening structure of a flexible screen (100), and a display device. The flattening structure includes a flexible screen storage device (200), a storage blocking member (300), and an elastic assembly (400), the flexible screen storage device (200) includes a housing (201) and a flexible screen reel (202) arranged in the housing (201); one end of the flexible screen (100) is connected to the flexible screen reel (202) and capable of being wound on the flexible screen reel (202), and the other end of the flexible screen (100) is connected to the storage blocking member (300) by means of the elastic assembly (400).

公开(公告)号：US20220346253A1

公开(公告)日：2022-10-27

申请号：US17772485

申请日：2021-07-07

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaofei LUO ,  Shangchieh CHU ,  Hong ZHU ,  Yanyan YANG

IPC: H05K5/02 ,  H05K5/00

Abstract: A flexible display apparatus, which belongs to the field of display devices. The flexible display apparatus comprises a shear fork frame (100), a housing (200), a reel (300), a flexible display screen (400), and a limiting mechanism (500), wherein the support frame (100) comprises a scissor rack (110); the housing (200) comprises a first portion (210) and a second portion (220), the first portion (210) is located at one end of the shear fork frame (110), and the second portion (220) is located at the other end of the shear fork frame (110); and the limiting mechanism (500) is connected to the shear fork frame (110), and at least one among the first portion (210) and the second portion (220) is provided with the limiting mechanism (500), so as to limit the relative movement of the portion where the limiting mechanism (500) is disposed with respect to the axis of the shear fork frame (110). During the process of expanding the flexible display screen (400) by pulling the first portion (210) and the second portion (220) or extending the flexible display screen (400) by folding the first portion (210) and the second portion (220), the limiting mechanism (500) can limit the relative movement of the portion where the limiting mechanism (500) is located with respect to the axis of the shear fork frame (110), which prevents the flexible display screen (400) from becoming askew in the plane where the shear fork frame (110) is located, and facilitating prevention of extending dislocation of the flexible display screen (400).

公开(公告)号：US20220141976A1

公开(公告)日：2022-05-05

申请号：US17259379

申请日：2020-03-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanyan YANG ,  Shangchieh CHU ,  Xiaofei LUO

IPC: H05K5/02 ,  H05K5/00 ,  B60R11/02 ,  B60K35/00

Abstract: A display assembly includes a storage box and a flexible display screen. A storage groove is formed in the storage box and a side of the storage groove is open. The flexible display screen is able to be switched between an unfolded state and a folded state. In the unfolded state, the flexible display screen is unfolded and covers an open side of the storage groove, and in the folded state, the flexible display screen is folded or wound, and the open side of the storage groove is at least partially exposed.

公开(公告)号：US20220080697A1

公开(公告)日：2022-03-17

申请号：US17222150

申请日：2021-04-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Fangxu CAO ,  Pinfan WANG ,  Haoran WANG ,  Xiaofei LUO ,  Yaming WANG ,  Zuojia WANG ,  Hejin WANG

IPC: B32B3/02 ,  B32B37/14

Abstract: A display panel, a display device and a manufacturing method thereof are provided. The display device includes a display panel laminated to the curved cover plate. A main display area, a first sub-area, and a second sub-area of the display panel each include multiple through holes penetrating through the display panel, and the through holes define pixel islands for display and bridges for signal transmission; the through holes are disposed around the pixel islands; a part of the bridge is located between the pixel island and the through hole, the other part is located between adjacent through holes.

公开(公告)号：US20210242420A1

公开(公告)日：2021-08-05

申请号：US17048705

申请日：2020-04-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaofei LUO ,  Shangchieh CHU ,  Hong ZHU ,  Yanyan YANG ,  Baofeng SUN

IPC: H01L51/52 ,  H05K5/02 ,  H05K5/00 ,  H01L51/00

Abstract: The present disclosure discloses a rollable display device, including: a flexible display panel; a reel connected to one end of the flexible display panel, around which the flexible display panel is rollable and extendable; a support structure arranged on two side edges of the flexible display panel in a rolling direction thereof, and provided with a first fixing portion; wherein the reel is provided with a second fixing portion matched with the first fixing portion for fixing the support structure and the reel when the flexible display panel is rolled.

公开(公告)号：US20210204433A1

公开(公告)日：2021-07-01

申请号：US17256161

申请日：2020-06-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaofei LUO ,  Shangchieh CHU ,  Yanyan YANG ,  Baofeng SUN

IPC: H05K5/03 ,  H05K5/00 ,  H05K5/02

Abstract: The present disclosure proposes a rollable display device, including a scroll and a flexible screen. The scroll includes a housing and a rotating shaft, the rotating shaft is rotatably disposed in the housing, and the flexible screen includes a connecting end, the flexible screen is coupled to the rotating shaft through the connecting end, and the flexible screen is configured to be retractably wound on the rotating shaft. The flexible screen includes a cover film and an adhesive frame. The cover film includes a connecting section adjoining the connecting end. The adhesive frame is disposed on a side of the connecting section of the cover film facing the rotating shaft. The connecting section is coupled to the rotating shaft through the adhesive frame, and an orthographic projection of the connecting section on a plane perpendicular to an axial direction of the rotating shaft is arc-shaped or spiral-shaped.