US 12,222,765 B2
Display device
Jonggil Pyo, Seoul (KR); Kwaneun Jin, Seoul (KR); Jaeyong Kim, Seoul (KR); and Jingyu Kim, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/799,515
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Feb. 13, 2020, PCT No. PCT/KR2020/002004
§ 371(c)(1), (2) Date Aug. 12, 2022,
PCT Pub. No. WO2021/162143, PCT Pub. Date Aug. 19, 2021.
Prior Publication US 2023/0073974 A1, Mar. 9, 2023
Int. Cl. G06F 1/16 (2006.01)
CPC G06F 1/1652 (2013.01) [G06F 1/1656 (2013.01); G06F 1/1684 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A display device comprising:
a flexible display panel;
a roller which extends in a long direction, and around which the flexible display panel is wound, or from which the flexible display panel is unwound; and
a disc wheel which is located adjacent to edges of flexible display panel which is wound around the roller, which crosses a rotation shaft of the roller, and which is coupled to the roller,
wherein a diameter of the disc wheel is larger than a diameter of the flexible display panel wound around the roller,
wherein the disc wheel comprises:
an inner circle fixed to the roller;
a first outer circle which forms a step toward an outer side in a rotation shaft direction of the roller from a circumference of the inner circle; and
a second outer circle which faces the outer circle with respect to the inner circle, and which forms a step inward in the rotation shaft direction of the roller.