US 12,133,403 B2
Color conversion panel and display device including the same, and manufacturing method thereof
Ki Soo Park, Hwaseong-si (KR); Jung Hyun Kwon, Yongin-si (KR); Hyo Joon Kim, Suwon-si (KR); Yun Ha Ryu, Hwaseong-si (KR); Seon-Tae Yoon, Hwaseong-si (KR); and Hye Seung Lee, Seoul (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Oct. 10, 2023, as Appl. No. 18/484,166.
Application 18/484,166 is a division of application No. 17/149,223, filed on Jan. 14, 2021, granted, now 11,818,909.
Claims priority of application No. 10-2020-0047558 (KR), filed on Apr. 20, 2020.
Prior Publication US 2024/0040815 A1, Feb. 1, 2024
Int. Cl. H10K 50/13 (2023.01); H10K 50/115 (2023.01); H10K 50/86 (2023.01); H10K 59/38 (2023.01)
CPC H10K 50/131 (2023.02) [H10K 50/115 (2023.02); H10K 50/865 (2023.02); H10K 59/38 (2023.02)] 7 Claims
OG exemplary drawing
 
1. A color conversion panel forming method comprising:
forming a plurality of partitioning walls on a substrate;
disposing a metal layer and a water-repellent layer on the substrate;
forming a plurality of overcoats on the plurality of partitioning walls and forming a spacer protruding from a part of the plurality of overcoats by patterning the water-repellent layer with an exposure mask that includes three areas, each of the three areas having a different light transmittance, wherein the spacer and the plurality of overcoats form a unitary layer, and the spacer is made of the same material as the plurality of overcoats;
forming a reflective layer disposed between the plurality of partitioning walls and the plurality of overcoats by etching the metal layer using the plurality of overcoats and the spacer as a mask; and
forming a color conversion layer disposed on the plurality of overcoats in an area defined by the plurality of partitioning walls.