US 12,222,764 B2
Foldable display device
Ce Chen, Suzhou (CN); Wenbing Zhang, Suzhou (CN); Feng Gao, Suzhou (CN); and Shuai Zhang, Suzhou (CN)
Assigned to SUZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Suzhou (CN)
Appl. No. 17/789,886
Filed by SUZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Suzhou (CN)
PCT Filed Jun. 27, 2022, PCT No. PCT/CN2022/101664
§ 371(c)(1), (2) Date Jun. 29, 2022,
PCT Pub. No. WO2023/240677, PCT Pub. Date Dec. 21, 2023.
Prior Publication US 2023/0403349 A1, Dec. 14, 2023
Int. Cl. G06F 1/16 (2006.01)
CPC G06F 1/1652 (2013.01) [G06F 1/1624 (2013.01); G06F 1/1675 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A foldable display device, comprising:
a first support member comprising a first flat surface, a second flat surface, a first arc surface, and a second arc surface, wherein the second flat surface is parallel to the first flat surface, and the first arc surface and the second arc surface connect the first flat surface and the second flat surface and extend along a first axis;
a primary display screen fixed on the first support member and comprising a first primary display screen covering the first flat surface, a second primary display screen covering the first arc surface and connected to one side of the first primary display screen, and a third primary display screen covering the second arc surface and connected to another side of the first primary display screen;
a second support member rotatably connected to the first support member; and
a secondary display screen fixed on the second support member;
wherein when the secondary display screen is in a storage state, the first primary display screen, the second primary display screen, the third primary display screen, and the secondary display screen form a 360° surround screen;
when the secondary display screen is spread to a same plane as the first primary display screen, the first primary display screen and the secondary display screen form a spliced display screen;
wherein the first support member is provided with a first through hole extending along the first axis; and
the foldable display device further comprising:
a rotating device configured to rotatably connect the second support member to the first support member and comprising:
a rotating shaft disposed in the first through hole, rotatably connected to the first support member, extending along the first axis, and comprising a first end and a second end;
a connection base configured to fixedly connect the rotating shaft to the second support member, and comprising a first connection base and a second connection base respectively fixed on the first end and the second end of the rotating shaft;
a first gear fixed on an outer wall of the first end of the rotating shaft;
a second gear fixed on an inner wall of the first through hole and surrounding the first gear; and
one or more third gears meshing with the first gear and the second gear.