US 11,056,667 B2
Display device
Jung Ho Choi, Yongin-si (KR); Nam Su Kang, Seoul (KR); Yi Seul Kim, Yongin-si (KR); Heung Su Park, Anyang-si (KR); Hyun Shik Lee, Incheon (KR); Heun Seung Lee, Suwon-si (KR); and Jae Hoon Hwang, Seoul (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Nov. 26, 2019, as Appl. No. 16/695,833.
Claims priority of application No. 10-2018-0158026 (KR), filed on Dec. 10, 2018.
Prior Publication US 2020/0185638 A1, Jun. 11, 2020
Int. Cl. H01L 51/52 (2006.01); H01L 27/32 (2006.01)
CPC H01L 51/5218 (2013.01) [H01L 27/322 (2013.01); H01L 27/3246 (2013.01); H01L 27/3258 (2013.01); H01L 27/3276 (2013.01); H01L 51/5228 (2013.01); H01L 51/5234 (2013.01); H01L 2251/305 (2013.01); H01L 2251/308 (2013.01); H01L 2251/5315 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A display device comprising:
a first base substrate which comprises a plurality of pixels;
a first electrode on the first base substrate in each of the pixels and comprising a reflective film;
a light emitting layer on the first electrode; and
a second electrode on the light emitting layer,
wherein the first electrode has a reflectance of 80% or more for light in a first wavelength range of 420 nm to 470 nm, wherein the light emitting layer is configured to emit light in the first wavelength range.