US 12,249,261 B2
Display device
Hoyoung Kim, Seoul (KR); Dongkyoon Han, Seoul (KR); and Changwan Noh, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 18/009,958
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Jun. 12, 2020, PCT No. PCT/KR2020/007672
§ 371(c)(1), (2) Date Dec. 12, 2022,
PCT Pub. No. WO2021/251532, PCT Pub. Date Dec. 16, 2021.
Prior Publication US 2023/0343250 A1, Oct. 26, 2023
Int. Cl. G09F 9/30 (2006.01)
CPC G09F 9/301 (2013.01) 16 Claims
OG exemplary drawing
 
1. A display device comprising:
a flexible display panel;
a roller around which the display panel is wound or from which the display panel is unwound;
a base which extends in a longitudinal direction of the roller, and in which the roller is rotatably installed;
a link mount supported by the base;
a link pivotably connected to the link mount, and arranged to lift the display panel;
a pivot magnet fixed to a pivot center of the link and arranged to rotate along with the link;
a magnetic sensor detecting a position of the pivot magnet; and
a controller which controls a movement of the link which changes as the pivot magnet rotates,
wherein the controller calculates angle information formed by the link with respect to the base from position information of the pivot magnet, and adjusts the movement of the link based on the angle information.