US 12,137,609 B2
Compound and organic light emitting device comprising same
Sang Duk Suh, Daejeon (KR); Dong Hoon Lee, Daejeon (KR); Boon Jae Jang, Daejeon (KR); Min Woo Jung, Daejeon (KR); Jungha Lee, Daejeon (KR); Su Jin Han, Daejeon (KR); Seulchan Park, Daejeon (KR); and Sunghyun Hwang, Daejeon (KR)
Assigned to LG CHEM, LTD., Seoul (KR)
Appl. No. 17/292,621
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Jul. 17, 2020, PCT No. PCT/KR2020/009472
§ 371(c)(1), (2) Date May 10, 2021,
PCT Pub. No. WO2021/025328, PCT Pub. Date Feb. 11, 2021.
Claims priority of application No. 10-2019-0094225 (KR), filed on Aug. 2, 2019.
Prior Publication US 2022/0006022 A1, Jan. 6, 2022
Int. Cl. H01L 51/00 (2006.01); C07D 487/04 (2006.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01)
CPC H10K 85/654 (2023.02) [C07D 487/04 (2013.01); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/11 (2023.02)] 18 Claims
 
1. A compound represented by Chemical Formula 1:

OG Complex Work Unit Chemistry
wherein, in Chemical Formula 1,
A is a benzene ring fused with two adjacent pentagonal rings,
at least one of Ar1, Ar2 and Ar3 is a biphenylyl group; a dibenzofuranyl group; a dibenzothiophenyl group; a 9,9-dimethylfluorenyl group; a 9,9-diphenylfluorenyl group; a carbazol-9-yl group; a 9-methyl-carbazolyl group; or a 9-phenyl-carbazolyl group, and the rest are a phenyl group, and Ar2 and Ar3 are not a biphenylyl group at the same time,
at least one of Ar1, Ar2 and Ar3 is substituted with one or more deuterium, and the rest are unsubstituted,
R is hydrogen; deuterium; halogen; cyano; a substituted or unsubstituted C1-60 alkyl group; a substituted or unsubstituted C1-60 alkoxy group; a substituted or unsubstituted C2-60 alkenyl group; a substituted or unsubstituted C2-60 alkynyl group; a substituted or unsubstituted C3-60 cycloalkyl group; a substituted or unsubstituted C6-60 aryl group; a substituted or unsubstituted C2-60 heteroaryl group containing any one or more heteroatoms selected from the group consisting of N, O, and S; a substituted or unsubstituted tri (C1-60 alkyl) silyl group; or a substituted or unsubstituted tri (C6-60 aryl) silyl group, and
n is an integer of 0 to 10.