US 12,448,370 B2
Heterocyclic compound and organic light-emitting device comprising same
Jung Min Yoon, Daejeon (KR); Sung Kil Hong, Daejeon (KR); Dong Uk Heo, Daejeon (KR); Miyeon Han, Daejeon (KR); Jae Tak Lee, Daejeon (KR); and Heekyung Yun, Daejeon (KR)
Assigned to LG CHEM, LTD., Seoul (KR)
Appl. No. 17/784,423
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Dec. 18, 2020, PCT No. PCT/KR2020/018687
§ 371(c)(1), (2) Date Jun. 10, 2022,
PCT Pub. No. WO2021/167222, PCT Pub. Date Aug. 26, 2021.
Claims priority of application No. 10-2020-0021366 (KR), filed on Feb. 21, 2020.
Prior Publication US 2023/0053612 A1, Feb. 23, 2023
Int. Cl. C07D 405/14 (2006.01); C07D 401/10 (2006.01); C07D 409/14 (2006.01); H10K 50/11 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 85/60 (2023.01)
CPC C07D 405/14 (2013.01) [C07D 401/10 (2013.01); C07D 409/14 (2013.01); H10K 85/615 (2023.02); H10K 85/624 (2023.02); H10K 85/654 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/11 (2023.02); H10K 50/16 (2023.02); H10K 50/171 (2023.02)] 10 Claims
OG exemplary drawing
 
1. A heterocyclic compound of Chemical Formula 1:

OG Complex Work Unit Chemistry
wherein in Chemical Formula 1:
at least two of X1 to X3 are N, and the other is CH;
R1 is a substituted or unsubstituted alkyl group;
L1 to L4 are the same as or different from each other, and are each independently a direct bond, a substituted or unsubstituted arylene group, or a substituted or unsubstituted heteroarylene group;
n1 to n4 are an integer from 0 to 4;
Ar1 to Ar3 are the same as or different from each other, and are each independently a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group;
m1 is an integer from 0 to 3;
when n1 to n4 and m1 are each 2 or higher, substituents in the parenthesis are the same as or different from each other;
A1 is Chemical Formula 1-1,

OG Complex Work Unit Chemistry
wherein in Chemical Formula 1-1:
Y1 and Y2 are each hydrogen or deuterium, or are directly bonded to each other, or are linked to each other through —C(R31)(R32)-, —Si(R33)(R34)-, —N(R35)-, —O—, or —S—;
any one of R11 to R26 is linked to L1 of Chemical Formula 1, and of the remaining, one is linked to L4 of Chemical Formula 1, and the others are the same as or different from each other, and are each independently hydrogen, deuterium, a cyano group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group; and
R31 to R35 are the same as or different from each other, and are each independently hydrogen, deuterium, a cyano group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group.