US 12,457,829 B2
Display device
Dae Hyun Kim, Hwaseong-si (KR); Keun Kyu Song, Seongnam-si (KR); Sung Chan Jo, Seoul (KR); Hyun Min Cho, Seoul (KR); Tae Jin Kong, Hwaseong-si (KR); Ock Soo Son, Seoul (KR); and Chang Il Tae, Seoul (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Appl. No. 18/018,255
Filed by Samsung Display Co., LTD., Yongin-si (KR)
PCT Filed May 4, 2021, PCT No. PCT/KR2021/005604
§ 371(c)(1), (2) Date Jan. 26, 2023,
PCT Pub. No. WO2022/025395, PCT Pub. Date Feb. 3, 2022.
Claims priority of application No. 10-2020-0093960 (KR), filed on Jul. 28, 2020.
Prior Publication US 2023/0275197 A1, Aug. 31, 2023
Int. Cl. H10H 20/851 (2025.01); H01L 21/768 (2006.01); H01L 25/075 (2006.01); H01L 25/10 (2006.01); H01L 25/16 (2023.01); H10H 20/855 (2025.01); H10H 20/856 (2025.01); H10H 29/14 (2025.01)
CPC H10H 20/8514 (2025.01) [H01L 25/167 (2013.01); H10H 20/856 (2025.01)] 24 Claims
OG exemplary drawing
 
1. A display device comprising:
a first substrate on which a plurality of sub-pixels are located;
a plurality of color filter layers on the first substrate;
a bank layer comprising a first bank at a boundary between the plurality of sub-pixels and located on the color filter layers;
a color control structure comprising a plurality of light transmitting layers and wavelength conversion layers in a region surrounded by the first bank on the color filter layer;
a light emitting element layer between the color filter layer and the color control structure;
a reflective layer on the color control structure; and
a first electrode and a second electrode on the color filter layer and at least partially located at the same plane,
wherein the light emitting element layer comprises a plurality of light emitting elements, each of the plurality of light emitting elements having respective ends on the first electrode and the second electrode.