US 12,032,416 B2
Foldable hinge and foldable display device
Zikang Feng, Wuhan (CN)
Assigned to WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Wuhan (CN)
Appl. No. 17/606,028
Filed by WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Wuhan (CN)
PCT Filed Sep. 1, 2021, PCT No. PCT/CN2021/115917
§ 371(c)(1), (2) Date Oct. 23, 2021,
PCT Pub. No. WO2023/015624, PCT Pub. Date Feb. 16, 2023.
Claims priority of application No. 202110909049.9 (CN), filed on Aug. 9, 2021.
Prior Publication US 2024/0028084 A1, Jan. 25, 2024
Int. Cl. H05K 1/18 (2006.01); E05D 3/12 (2006.01); G06F 1/16 (2006.01); G09F 9/30 (2006.01)
CPC G06F 1/1681 (2013.01) [E05D 3/122 (2013.01); G09F 9/301 (2013.01); E05Y 2900/606 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A foldable hinge, comprising:
a first support plate, wherein the first support plate is provided with at least two opposite arc-shaped grooves;
two second support plates located on opposite sides of the first support plate; and
at least two rotating mechanisms, wherein each of the rotating mechanisms comprises:
a fixed plate, wherein one end of the fixed plate away from the arc-shaped arm is fixed on one of the second support plates; and
an arc-shaped arm connected to the fixed plate, wherein the arc-shaped arm is at least partially received and slided in the arc-shaped groove to drive the corresponding second support plate being unfolded or folded relative to the first support plate, wherein the first support plate comprises:
a first main body, wherein the first main body is provided with at least two opposite first receiving grooves; and
at least two limiting blocks, wherein each limiting block is fixed in one of the first receiving grooves, and a between each limiting block and an inner wall of the first receiving, groove forms the arc-shaped groove.