US 12,394,760 B2
Color changing substrate and display device including the same
Ji Yoon Kim, Seongnam-si (KR); Chang Hee Lee, Seoul (KR); Se Hun Kim, Yongin-si (KR); Young Mo Koo, Suwon-si (KR); and Jae Kook Ha, Seoul (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Mar. 23, 2022, as Appl. No. 17/702,659.
Claims priority of application No. 10-2021-0078471 (KR), filed on Jun. 17, 2021.
Prior Publication US 2023/0006112 A1, Jan. 5, 2023
Int. Cl. H01L 25/075 (2006.01); G02B 5/00 (2006.01); G02B 5/20 (2006.01); H01L 25/16 (2023.01); H10H 20/851 (2025.01); H10H 20/856 (2025.01); H10K 50/856 (2023.01); H10K 59/38 (2023.01); H10K 59/80 (2023.01); B05D 5/06 (2006.01); H01L 23/00 (2006.01); H10H 20/80 (2025.01); H10H 20/825 (2025.01); H10K 59/122 (2023.01); H10K 102/00 (2023.01)
CPC H01L 25/0753 (2013.01) [G02B 5/003 (2013.01); G02B 5/201 (2013.01); H01L 25/167 (2013.01); H10H 20/8514 (2025.01); H10H 20/856 (2025.01); H10K 50/856 (2023.02); H10K 59/38 (2023.02); H10K 59/878 (2023.02); H10K 59/8792 (2023.02); B05D 5/065 (2013.01); H01L 24/24 (2013.01); H01L 2224/24147 (2013.01); H10H 20/825 (2025.01); H10H 20/882 (2025.01); H10K 59/122 (2023.02); H10K 2102/351 (2023.02)] 18 Claims
OG exemplary drawing
 
1. A color changing substrate comprising:
a substrate comprising emission areas and non-emission areas;
a color filter layer on the substrate and comprising a light blocking member partitioning the emission areas and the non-emission areas, and color filters in areas surrounded by the light blocking member;
a bank overlapping the light blocking member;
a wavelength control layer comprising wavelength conversion layers and a light transmitting layer in areas surrounded by the bank;
a reflective layer overlapping the bank;
a first metal oxide layer overlapping the reflective layer; and
a self-assembled layer overlapping the first metal oxide layer.