US 12,069,820 B2
Rollable display device
Jaehoon Park, Seoul (KR); Jaekun Kim, Seoul (KR); Jaeyong Kim, Seoul (KR); Manin Baek, Seoul (KR); Hyunwoo So, Seoul (KR); Bosung Lee, Seoul (KR); and Kwaneun Jin, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/629,989
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Jul. 26, 2019, PCT No. PCT/KR2019/009321
§ 371(c)(1), (2) Date Jan. 25, 2022,
PCT Pub. No. WO2021/020595, PCT Pub. Date Feb. 4, 2021.
Prior Publication US 2022/0264755 A1, Aug. 18, 2022
Int. Cl. H05K 5/00 (2006.01); H05K 5/02 (2006.01)
CPC H05K 5/0217 (2013.01) [H05K 5/0017 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A rollable display device comprising:
a roller;
a display unit rolled on the roller, the display unit including a display panel and a module cover assembly attached to the display panel to face the display panel;
a link assembly configured to move up and down the display unit; and
a motor assembly configured to drive the link assembly,
wherein the module cover assembly includes:
a module cover; and
a film portion provided on the module cover and having an elongation greater than an elongation of the module cover to disperse stress transferred from the module cover to the display panel,
wherein the roller has a diameter equal to or less than approximately 60 mm,
wherein the module cover assembly is attached to the display panel by an adhesive, and
wherein an adhesive strength of the adhesive is equal to or greater than approximately 1,000 gf/25 mm.