US 11,871,612 B2
Display device
Jae-Hoon Kim, Seongnam-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Apr. 28, 2021, as Appl. No. 17/243,552.
Claims priority of application No. 10-2020-0088533 (KR), filed on Jul. 17, 2020.
Prior Publication US 2022/0020967 A1, Jan. 20, 2022
Int. Cl. H10K 50/85 (2023.01); H10K 50/858 (2023.01); H10K 59/35 (2023.01); H10K 50/844 (2023.01)
CPC H10K 50/858 (2023.02) [H10K 59/352 (2023.02); H10K 50/844 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A display device comprising: a first pixel region, a second pixel region, and a third pixel region that are adjacent to each other in a plan view; a display panel comprising a first light emitting element comprising a first light emitting layer overlapping with the first pixel region, a second light emitting element comprising a second light emitting layer overlapping with the second pixel region, and a third light emitting element comprising a third light emitting layer overlapping with the third pixel region; and a refractive index control layer comprising a first refractive index control part corresponding to the first light emitting element, and a second refractive index control part corresponding to the second light emitting element, wherein the first refractive index control part and the second refractive index control part have different refractive indices from each other according to different wavelengths of light emitted from the first and second light emitting layers of the first and second light emitting elements.