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.

公开(公告)号：US20210144881A1

公开(公告)日：2021-05-13

申请号：US16640179

申请日：2019-03-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shangchieh CHU ,  Yonghong ZHOU ,  Yanyan YANG

IPC: H05K7/20 ,  H05K5/00

Abstract: The present disclosure relates to a flexible screen, including a display substrate including a first portion, a second portion folded to form an end portion of the flexible screen and a third portion, said first, second, and third portions being sequentially connected, and a support plate for supporting the display substrate, wherein the first portion and the third portion of the display substrate are opposite to each other, the support plate is arranged between the first portion and the third portion of the display substrate, and one end of the support plate faces one surface of the second portion, and wherein the surface of the second portion facing the support plate is provided with an end heat dissipation device.