US 12,446,384 B2
Display device
Seung Wook Kwon, Hwaseong-si (KR); Woo Yong Sung, Seoul (KR); Seo Yeon Lee, Namyangju-si (KR); Seung Gun Chae, Hwaseong-si (KR); and Seung-Yeon Chae, Hwaseong-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-Si (KR)
Filed by Samsung Display Co., Ltd., Yongin-Si (KR)
Filed on Jul. 6, 2022, as Appl. No. 17/858,726.
Claims priority of application No. 1020210122328 (KR), filed on Sep. 14, 2021.
Prior Publication US 2023/0082985 A1, Mar. 16, 2023
Int. Cl. H10H 20/858 (2025.01); H10H 20/01 (2025.01)
CPC H10H 20/8581 (2025.01) [H10H 20/01 (2025.01); H10H 20/8582 (2025.01); H10H 20/0365 (2025.01)] 10 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate including a plurality of holes comprising a hole, wherein
the holes are disposed to be linear in a plan view of the substrate;
a metal layer disposed on one side of the substrate;
a light-emitting device layer disposed on the metal layer; and
a heat radiation layer disposed on another side of the substrate,
wherein the heat radiation layer contacts the metal layer in the hole.