US 11,914,423 B2
Flexible display device
Min Chul Shin, Gunpo-si (KR); Hang Seok Kim, Yongin-si (KR); Gil Jae Lee, Seongnam-si (KR); and Dong Jun Choi, Gimpo-si (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/435,849
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Apr. 11, 2019, PCT No. PCT/KR2019/004375
§ 371(c)(1), (2) Date Sep. 2, 2021,
PCT Pub. No. WO2020/209425, PCT Pub. Date Oct. 15, 2020.
Prior Publication US 2022/0155823 A1, May 19, 2022
Int. Cl. G06F 1/16 (2006.01)
CPC G06F 1/1652 (2013.01) [G06F 1/1624 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A flexible display device comprising:
a body;
a moving plate coupled so as to be reciprocally moveable in a front-rear direction in the body;
a first pulley disposed below the moving plate and coupled to the body so as to be rotatable about a first rotary shaft parallel to a left-right direction;
a second pulley disposed below the moving plate at a position further forward than the first pulley, and coupled to the body so as to be rotatable about a second rotary shaft parallel to the first rotary shaft;
a driving track formed such that at least a part thereof is bent, the driving track being disposed to enclose the first pulley and the second pulley and coupled to the moving plate; and
a flexible display of which a part is coupled to an outer surface of the moving plate, and of which another part is coupled to an outer surface of the driving track,
wherein the driving track comprises:
a first coupling portion forming one end of the driving track and coupled to a rear end of the moving plate; and
a second coupling portion forming the other end of the driving track and coupled to a bottom surface of the moving plate or to the first coupling portion.