US 12,074,263 B2
Display element with novel reflectors
Joo Woan Cho, Seongnam-si (KR); Jin Woo Choi, Seoul (KR); Byung Choon Yang, Seoul (KR); Tae Hee Lee, Hwaseong-si (KR); and Hae Yun Choi, Hwaseong-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Dec. 23, 2021, as Appl. No. 17/561,382.
Claims priority of application No. 10-2021-0056298 (KR), filed on Apr. 30, 2021.
Prior Publication US 2022/0352432 A1, Nov. 3, 2022
Int. Cl. H01L 33/50 (2010.01); H01L 33/10 (2010.01)
CPC H01L 33/505 (2013.01) [H01L 33/10 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate;
a light emitting element on the substrate to emit first light;
a wavelength conversion layer on the light emitting element and comprising wavelength conversion particles to convert the first light into second light;
a first selective transmission film between the light emitting element and the wavelength conversion layer, to reflect the first light and the second light, which are incident from the wavelength conversion layer; and
a second selective transmission film on the wavelength conversion layer, to reflect the first light incident from the wavelength conversion layer and to transmit the second light.