US 12,435,229 B2
Ink composition, film formed using the ink composition, and electronic apparatus including the ink composition
Seunghee Jang, Yongin-si (KR); Sanghee Yu, Yongin-si (KR); Taekjoon Lee, Yongin-si (KR); and Kawon Pak, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Sep. 8, 2021, as Appl. No. 17/469,761.
Claims priority of application No. 10-2020-0185207 (KR), filed on Dec. 28, 2020.
Prior Publication US 2022/0204795 A1, Jun. 30, 2022
Int. Cl. C09D 11/322 (2014.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01); C09D 11/037 (2014.01); C09D 11/101 (2014.01); C09D 11/107 (2014.01); C09D 11/50 (2014.01); C09D 11/52 (2014.01); H10K 50/125 (2023.01); H10K 50/854 (2023.01); H10K 59/12 (2023.01); H10K 59/80 (2023.01)
CPC C09D 11/322 (2013.01) [C09D 11/037 (2013.01); C09D 11/101 (2013.01); C09D 11/107 (2013.01); C09D 11/50 (2013.01); C09D 11/52 (2013.01); H10K 50/125 (2023.02); H10K 50/854 (2023.02); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01); H10K 59/12 (2023.02); H10K 59/877 (2023.02)] 16 Claims
 
1. An ink composition comprising:
a first di(meth)acrylate monomer including two photo-functional groups and a first carbon-containing chain, wherein the first di(meth)acrylate monomer is represented by Formula 1;

OG Complex Work Unit Chemistry
and
a second monofunctional monomer including one photo-functional group and a second carbon-containing chain, wherein the second monofunctional monomer is represented by Formula 2;

OG Complex Work Unit Chemistry
wherein, in Formula 1 and Formula 2,
R11, R12 and R21 are each independently hydrogen or a methyl group;
X11 is an unsubstituted C1-C10 alkylene group, a C1-C7 alkylene group substituted with deuterium, a hydroxy group, or a C1-C3 alkyl group; and
X21 is an unsubstituted C1-C10 alkyl group, a C1-C7 alkyl group substituted with deuterium, a hydroxy group, or a C1-C3 alkyl group; and
semiconductor nanoparticles;
wherein an amount of the first di(meth)acrylate monomer is from 25 parts by weight to 35 parts by weight,
an amount of the second monofunctional monomer of Formula 2 is from 8 parts by weight to 25 parts by weight, and
an amount of the semiconductor nanoparticles is from 40 parts by weight to 45 parts by weight, based on 100 parts by weigh of the ink composition.