Patent ID: 11968884
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 17:
18. The organic light-emitting device of claim 15, wherein, in Formula 1-1,
at least one selected from (a), (b) and (c) is true:
(a) at least one of R11 to R14, at least one of R21 to R23, at least one of R31 to R33, at least one of R41 to R44, or any combination thereof is
a C1-C60 alkyl group, or
a C1-C60 alkyl group substituted with at least one selected from deuterium, —F, a cyano group, —CD3, —CD2H, —CDH2, —CF3, —CF2H, —CFH2, a C6-C60 aryl group, and a C1-C60 heteroaryl group;
(b) at least one of R11 to R14, at least one of R21 to R23, at least one of R31 to R33, at least one of R41 to R44, or any combination thereof is
a C6-C60 aryl group, or
a C6-C60 aryl group substituted with at least one selected from deuterium, —F, a cyano group, —CD3, —CD2H, —CDH2, —CF3, —CF2H, —CFH2, C1-C60 alkyl group, a C6-C60 aryl group, and a C1-C60 heteroaryl group; and
(c) at least one of R11 to R14, at least one of R21 to R23, at least one of R31 to R33, at least one of R41 to R44, or any combination thereof is
a C1-C60 heteroaryl group, or
a C1-C60 heteroaryl group substituted with at least one selected from deuterium, —F, a cyano group, —CD3, —CD2H, —CDH2, —CF3, —CF2H, —CFH2, C1-C60 alkyl group, a C6-C60 aryl group, and a C1-C60 heteroaryl group.