US 12,396,307 B2
Display device
Ki Seong Seo, Yongin-si (KR); Soo Chul Kim, Yongin-si (KR); Dae Ho Song, Yongin-si (KR); and So Yeon Yoon, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Mar. 10, 2022, as Appl. No. 17/691,350.
Claims priority of application No. 10-2021-0056824 (KR), filed on Apr. 30, 2021.
Prior Publication US 2022/0352132 A1, Nov. 3, 2022
Int. Cl. H10H 20/857 (2025.01); H01L 25/16 (2023.01); H10D 86/01 (2025.01); H10H 20/856 (2025.01); H10K 59/80 (2023.01)
CPC H10H 20/857 (2025.01) [H01L 25/167 (2013.01); H10D 86/021 (2025.01); H10H 20/856 (2025.01); H10K 59/878 (2023.02); H10K 59/8792 (2023.02); H10K 59/8731 (2023.02); H10K 59/879 (2023.02)] 16 Claims
OG exemplary drawing
 
1. A display device comprising:
a first electrode disposed on a substrate;
a pixel defining layer disposed on the substrate in a non-emission area, the pixel defining layer overlapping at least a portion of an edge of the first electrode in a plan view, the pixel defining layer defining an emission area;
a reflection pattern protruding upward from the first electrode in the emission area and forming a concave part on the first electrode;
a light emitting element disposed in the concave part and electrically connected to the first electrode;
and a second electrode disposed on the light emitting element and electrically connected to the light emitting element,
wherein the reflection pattern does not overlap the pixel defining layer in the plan view.