US 11,747,702 B2
Mother substrate for color conversion substrate and method of testing color conversion substrate thereof
Soodong Kim, Hwaseong-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Mar. 4, 2022, as Appl. No. 17/686,905.
Claims priority of application No. 10-2021-0085596 (KR), filed on Jun. 30, 2021.
Prior Publication US 2023/0004060 A1, Jan. 5, 2023
Int. Cl. G02F 1/1677 (2019.01); G02F 1/13 (2006.01); G02F 1/1335 (2006.01)
CPC G02F 1/1677 (2019.01) [G02F 1/1309 (2013.01); G02F 1/133514 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A mother substrate for a color conversion substrate, the mother substrate comprising:
a substrate including a display area and a tag area, wherein the tag area is disposed around the display area and includes a plurality of sub-tag areas;
a first ink layer disposed in some of the sub-tag areas and having a first color; and
a second ink layer disposed in some of the sub-tag areas and having a second color different from the first color,
wherein a volume of the first ink layer in each of the some of the sub-tag areas is different from each other, or
a volume of the second ink layer in each of the some of the sub-tag areas is different from each other.