US 12,464,922 B2
Color conversion substrate, display device and method of manufacturing color conversion substrate
Seok-Joon Hong, Seongnam-si (KR); Jang-Il Kim, Asan-si (KR); Jeaheon Ahn, Hwaseong-si (KR); Myoungjong Lee, Cheonan-si (KR); Seongyeon Lee, Asan-si (KR); and Si-Wan Jeon, Hwaseong-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., Ltd., Yongin-Si (KR)
Filed on Sep. 15, 2021, as Appl. No. 17/475,792.
Claims priority of application No. 10-2020-0184800 (KR), filed on Dec. 28, 2020.
Prior Publication US 2022/0208859 A1, Jun. 30, 2022
Int. Cl. H10K 59/38 (2023.01)
CPC H10K 59/38 (2023.02) 20 Claims
OG exemplary drawing
 
1. A color conversion substrate comprising:
a bank defining a first opening area and a second opening area;
a conversion part disposed in the first opening area, but not disposed in the second opening area, and including a color conversion particle; and
a partition wall disposed in the second opening area and dividing the second opening area into a plurality of sub-opening areas,
wherein each of the plurality of sub-opening areas has a volume smaller than a volume of the first opening area.