US 12,117,870 B2
Display device
Jonggil Pyo, Seoul (KR); Jaeyong Kim, Seoul (KR); and Kwaneun Jin, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/789,982
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Dec. 31, 2019, PCT No. PCT/KR2019/018797
§ 371(c)(1), (2) Date Jun. 29, 2022,
PCT Pub. No. WO2021/137324, PCT Pub. Date Jul. 8, 2021.
Prior Publication US 2022/0382330 A1, Dec. 1, 2022
Int. Cl. G06F 1/16 (2006.01)
CPC G06F 1/1652 (2013.01) [G06F 1/1656 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A display device comprising:
a flexible display panel;
a panel roller which is elongated and on or from which the display panel is configured to be wound or unwound;
a housing in which the panel roller is accommodated, wherein while the display panel is unwound from the panel roller, the display panel descends below the housing;
a board case which is disposed behind the display panel descending below the housing, and having a front surface which is covered by the display panel while the display panel descends;
a rail formed in an upward-downward direction of the board case;
a bottom case placed contiguous to a lower side of the display panel and coupled to the display panel; and
a holding roller fixed to the bottom case and moving on the rail, wherein the holding roller includes:
a roller bracket having a first part coupled to a rear surface of the bottom case and a second part extending from the first part and positioned contiguous to the rail;
a rotating shaft formed on the second part;
a rim rotatably coupled to the rotating shaft; and
a tire formed around the perimeter of the rim and configured to make contact with the rail.