US 10,561,028 B2
Flexible display
Zifeng Wang, Beijing (CN); Yan Ren, Beijing (CN); Lei Cao, Beijing (CN); and Hailan Jin, Beijing (CN)
Assigned to BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 16/333,488
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed May 4, 2018, PCT No. PCT/CN2018/085614
§ 371(c)(1), (2) Date Mar. 14, 2019,
PCT Pub. No. WO2018/205888, PCT Pub. Date Nov. 15, 2018.
Claims priority of application No. 2017 1 0324778 (CN), filed on May 10, 2017.
Prior Publication US 2019/0261520 A1, Aug. 22, 2019
Int. Cl. H05K 5/00 (2006.01); H05K 7/00 (2006.01); F16C 13/00 (2006.01); H05K 5/02 (2006.01)
CPC H05K 5/0017 (2013.01) [F16C 13/00 (2013.01); H05K 5/0217 (2013.01); H05K 5/0221 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A flexible display, comprising: a roller, an external wall of the roller being provided with an opening; a first rotating shaft rotatably connected with the roller; and a flexible display screen configured to protrude from the roller or withdraw into the roller through the opening, the flexible display screen having a movable first end and a second end fixed at the first rotating shaft, the first end and the second end being opposite to each other; and at least one second rotating shaft rotatably connected with the roller; a frame on at least one side edge of the flexible display screen, wherein the frame has a first end fixedly connected with the first end of the flexible display screen and a second end fixed at the second rotating shaft, and the frame is configured to flatten the side edge where the frame is located upon the flexible display screen protruding from the roller, and is configured to be separated from the flexible display screen and rolled onto the second rotating shaft upon the flexible display screen withdrawing into the roller, wherein the side edge is an edge of the flexible display screen except the first end and the second end.