US 12,245,456 B2
Display device
Seong Jin Jeong, Hwaseong-si (KR); Jin Sook Bang, Hwaseong-si (KR); Sang Hoon Yim, Suwon-si (KR); Eun Jeong Hong, Yongin-si (KR); and Kwan Hee Lee, Suwon-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Mar. 15, 2022, as Appl. No. 17/694,847.
Claims priority of application No. 10-2021-0096366 (KR), filed on Jul. 22, 2021.
Prior Publication US 2023/0028269 A1, Jan. 26, 2023
Int. Cl. H10K 50/858 (2023.01); H10K 50/84 (2023.01); H10K 59/121 (2023.01); H10K 59/122 (2023.01); H10K 59/124 (2023.01); H10K 59/35 (2023.01)
CPC H10K 50/858 (2023.02) [H10K 50/84 (2023.02); H10K 59/121 (2023.02); H10K 59/122 (2023.02); H10K 59/124 (2023.02); H10K 59/353 (2023.02)] 15 Claims
OG exemplary drawing
 
1. A display device comprising:
a first light emitting element, a second light emitting element, and a third light emitting element that are disposed on a substrate and emitting light of different colors, respectively;
a first insulation layer disposed on the first light emitting element, the second light emitting element, and the third light emitting element, the first insulation layer including at least one opening; and
a second insulation layer disposed on the first insulation layer, the second insulation layer being disposed in the at least one opening, wherein
a refractive index of the second insulation layer is higher than a refractive index of the first insulation layer,
the at least one opening overlaps at least one of the first light emitting element, the second light emitting element, and the third light emitting element in a plan view, and
the at least one opening does not overlap at least another one of the first light emitting element, the second light emitting element, and the third light emitting element in a plan view.