US 11,955,035 B2
Display device
Ruiting He, Hubei (CN); and Xiaokang Li, Hubei (CN)
Assigned to WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Hubei (CN)
Appl. No. 16/979,983
Filed by WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Hubei (CN)
PCT Filed Jun. 18, 2020, PCT No. PCT/CN2020/096677
§ 371(c)(1), (2) Date Sep. 11, 2020,
PCT Pub. No. WO2021/217818, PCT Pub. Date Nov. 4, 2021.
Claims priority of application No. 202010361246.7 (CN), filed on Apr. 30, 2020.
Prior Publication US 2023/0094116 A1, Mar. 30, 2023
Int. Cl. G09F 9/30 (2006.01)
CPC G09F 9/301 (2013.01) 7 Claims
OG exemplary drawing
 
1. A display device, comprising:
a flexible display screen;
a first reel disposed at one end of the flexible display screen and connected to the flexible display screen, wherein the first reel is rotatable to make a bottom surface of the flexible display screen wrap around the first reel so that the flexible display screen is curled, and the first reel is rotatable in reverse to release the flexible display screen so that the flexible display screen is uncurled;
a second reel disposed at another end of the flexible display screen and connected to the flexible display screen, wherein the second reel is rotatable to make a top surface of the flexible display screen wrap around the second reel so that the flexible display screen is curled, and the second reel is rotatable in reverse to release the flexible display screen so that the flexible display screen is uncurled; and
an auxiliary shaft disposed between the second reel and the flexible display screen, wherein the flexible display screen is connected to the second reel via the auxiliary shaft, the auxiliary shaft is disposed below the flexible display screen and is in contact with the bottom surface of the flexible display screen, and the auxiliary shaft is rotatable in a direction opposite to a direction in which the second reel is rotatable.