US 11,856,721 B2
Flexible display device and electronic device
Jiao Cheng, Guangdong (CN); and Zekuan Zheng, Guangdong (CN)
Assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Dongguan (CN)
Filed by GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Guangdong (CN)
Filed on Oct. 21, 2021, as Appl. No. 17/507,529.
Application 17/507,529 is a continuation of application No. PCT/CN2020/082092, filed on Mar. 30, 2020.
Claims priority of application No. 201910343363.8 (CN), filed on Apr. 25, 2019.
Prior Publication US 2022/0046813 A1, Feb. 10, 2022
Int. Cl. H05K 5/02 (2006.01); H05K 5/00 (2006.01)
CPC H05K 5/0217 (2013.01) [H05K 5/0017 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A flexible display device, comprising:
a flexible screen having a bendable area and comprising a screen body layer; and
a rotating mechanism supporting the back of the bendable area, wherein the rotating mechanism is configured to rotate around two rotating center axes spaced apart in parallel, the bendable area is configured to bend with rotation of the rotating mechanism, and the screen body layer in the bendable area is a neutral layer of the flexible screen;
wherein the rotating mechanism comprises two rotating assemblies, the two rotating assemblies each comprises a supporting frame and a rotating frame rotatably connected with the supporting frame, and for each of the two rotating assemblies, a rotating center axis around which the rotating frame rotates relative to the supporting frame is located at the neutral layer;
the rotating mechanism further comprises a gear assembly located between the two rotating assemblies, and the two rotating frames are each provided with a driving gear engaged with the gear assembly;
wherein the two rotating frames each comprises a rotating member rotatably connected with the supporting frame and a connecting member connected with the rotating member, the connecting member comprises a connecting plate extending along a direction of the rotating center axis, and the driving gear is disposed at one end of the connecting plate away from the rotating member.