US 12,457,838 B2
Display device and method of fabricating the same
Kyung Seon Tak, Yongin-si (KR); Young Gu Kim, Yongin-si (KR); Yun Hee Park, Yongin-si (KR); Ji Yun Park, Yongin-si (KR); and Suk Kung Chei, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Mar. 24, 2022, as Appl. No. 17/703,490.
Claims priority of application No. 10-2021-0104714 (KR), filed on Aug. 9, 2021.
Prior Publication US 2023/0041748 A1, Feb. 9, 2023
Int. Cl. H10H 29/14 (2025.01); H10H 20/821 (2025.01); H10H 20/831 (2025.01); H10H 20/84 (2025.01); H10H 20/851 (2025.01); H10H 20/855 (2025.01); H10H 20/01 (2025.01)
CPC H10H 29/142 (2025.01) [H10H 20/821 (2025.01); H10H 20/831 (2025.01); H10H 20/84 (2025.01); H10H 20/851 (2025.01); H10H 20/855 (2025.01); H10H 20/032 (2025.01); H10H 20/0361 (2025.01)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate including a display area including a pixel area, and a non-display area including a pad area, the non-display area being located on at least one side of the display area;
a pixel in the pixel area, the pixel including an emission area in which at least one light emitting element is located, and a non-emission area adjacent to the emission area;
a pad in the pad area, the pad being electrically connected to the pixel;
a first layer on the light emitting element at the pixel area; and
a second layer in the pixel area and the pad area, the second layer including a pad opening exposing at least a portion of the pad,
wherein the first layer comprises an organic layer comprising a hollow particle,
wherein the first layer is spaced from the pad opening and covered with the second layer, and
wherein the second layer covers a first area of the pad and exposes a second area of the pad.