US 12,449,852 B2
Tension adjustment device for rollable display solving problems of flexible screens having wrinkles and other abnormalities
Chunhua Xiao, Jiangsu (CN); and Jun Wang, Jiangsu (CN)
Assigned to Suzhou China Star Optoelectronics Technology Co., Ltd., Jiangsu (CN)
Appl. No. 17/623,285
Filed by Suzhou China Star Optoelectronics Technology Co., Ltd., Jiangsu (CN)
PCT Filed Dec. 17, 2021, PCT No. PCT/CN2021/139254
§ 371(c)(1), (2) Date Dec. 28, 2021,
PCT Pub. No. WO2023/103048, PCT Pub. Date Jun. 15, 2023.
Claims priority of application No. 202111505641.9 (CN), filed on Dec. 10, 2021.
Prior Publication US 2024/0036608 A1, Feb. 1, 2024
Int. Cl. G06F 1/16 (2006.01); G09F 9/30 (2006.01)
CPC G06F 1/1652 (2013.01) [G09F 9/301 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A tension adjustment device, comprising:
a body;
at least two adjustment members uniformly and slidably connected to the body; and
a driving device driving the at least two adjustment members to be close to or away from the body;
wherein outer surfaces of the at least two adjustment members away from the body are curved outer surfaces, and a flexible display screen is wrapped around the curved outer surfaces and rolled into a circle,
wherein the driving device comprises:
an adjusting gear rotatably connected to the body and provided with at least two adjusting slots; and
a driving gear meshing with the adjusting gear; and
wherein each of the at least two adjustment members is provided with an adjusting pin slidably inserted into the at least two adjusting slots.