US 12,376,476 B2
Display device
Kyeongdong Kim, Seoul (KR); Dongkyoon Han, Seoul (KR); Hoyoung Kim, Seoul (KR); and Hyeongjun Kwon, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/918,745
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Apr. 13, 2020, PCT No. PCT/KR2020/004952
§ 371(c)(1), (2) Date Oct. 13, 2022,
PCT Pub. No. WO2021/210693, PCT Pub. Date Oct. 21, 2021.
Prior Publication US 2023/0247892 A1, Aug. 3, 2023
Int. Cl. H05K 5/00 (2025.01); H05K 5/02 (2006.01); H10K 59/80 (2023.01); H10K 102/00 (2023.01)
CPC H10K 59/871 (2023.02) [H05K 5/0217 (2013.01); H10K 2102/311 (2023.02)] 12 Claims
OG exemplary drawing
 
1. A display device comprising:
a roller which elongates;
a display panel configured to roll or unroll from the roller;
a module cover positioned in a rear portion of the display panel;
a foldable link adjacent to a rear surface of the module cover, and configured to pivot around a pivot axis which is in line with a front direction and a rear direction and to fold or unfold in an up direction or a down direction, respectively; and
a sheet coupled to the foldable link between the module cover and the foldable link,
wherein the sheet includes a coating layer forming a front surface of the sheet and facing the module cover,
wherein the coating layer contains a glass fiber, and
wherein a frictional coefficient of the coating layer is lower than a frictional coefficient of a front surface of the foldable link.