US 12,359,084 B2
Ink composition, layer using same, and display device
Jiyoung Jeong, Suwon-si (KR); Misun Kim, Suwon-si (KR); Young Min Kim, Suwon-si (KR); Janghyuk Kim, Suwon-si (KR); Dong Wan Ryu, Suwon-si (KR); Young Woo Park, Suwon-si (KR); Chuljin Park, Suwon-si (KR); Eun Sun Yu, Suwon-si (KR); and Jinsuop Youn, Suwon-si (KR)
Assigned to Samsung SDI Co., Ltd., Yongin-si (KR)
Appl. No. 18/257,220
Filed by SAMSUNG SDI CO., LTD., Yongin-si (KR)
PCT Filed Feb. 14, 2022, PCT No. PCT/KR2022/002124
§ 371(c)(1), (2) Date Jun. 13, 2023,
PCT Pub. No. WO2022/177238, PCT Pub. Date Aug. 25, 2022.
Claims priority of application No. 10-2021-0023411 (KR), filed on Feb. 22, 2021.
Prior Publication US 2024/0352270 A1, Oct. 24, 2024
Int. Cl. C09D 11/52 (2014.01); C09D 11/033 (2014.01); C09D 11/037 (2014.01); G02F 1/167 (2019.01); G02F 1/1675 (2019.01)
CPC C09D 11/52 (2013.01) [C09D 11/033 (2013.01); C09D 11/037 (2013.01); G02F 1/167 (2013.01); G02F 2001/1678 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An ink composition, comprising
(A) semiconductor nanorods; and
(B) a solvent including at least at least one diol-based compound and a compound represented by Chemical Formula 2 or Chemical Formula 3:

OG Complex Work Unit Chemistry
wherein, in Chemical Formula 2 and Chemical Formula 3,
R3 to R5 are each independently a substituted or unsubstituted C1 to C20 alkyl group, and
R6 to R8 are each independently a substituted or unsubstituted C1 to C20 alkoxy group, and
wherein the ink composition has a viscosity of greater than or equal to 50 cps at 20° C. to 25° C. and less than or equal to 20 cps at 35° C. to 65° C.