US 11,700,716 B2
Display device
Jaiku Shin, Hwaseong-si (KR); Jeongil Yoo, Seoul (KR); and Sung Chul Choi, Hwaseong-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Feb. 7, 2022, as Appl. No. 17/666,427.
Claims priority of application No. 10-2021-0040831 (KR), filed on Mar. 30, 2021.
Prior Publication US 2022/0322583 A1, Oct. 6, 2022
Int. Cl. H05K 7/20 (2006.01); H05K 5/00 (2006.01)
CPC H05K 7/20963 (2013.01) [H05K 5/0017 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A display device comprising:
a display panel having a foldable area;
a first support member disposed on a lower surface of the display panel and comprising a stretchable portion overlapping the foldable area;
a second support member disposed on a lower surface of the first support member and comprising a first support plate and a second support plate spaced apart from each other;
a first heat dissipation member disposed between the first support member and the second support member and comprising a first heat dissipation layer and a second heat dissipation layer spaced apart from each other; and
a first coating film disposed between the first support member and the first heat dissipation member and comprising carbon nanotube, wherein the first coating film entirely contacts the lower surface of the first support member and covers the stretchable portion.