US 12,492,191 B2
Organic light emitting device
Minwoo Choi, Daejeon (KR); Jaeeun Kim, Daejeon (KR); Minseung Chun, Daejeon (KR); Jungha Lee, jDaejeon (KR); Hyeon Soo Jeon, Daejeon (KR); and Sang Young Jeon, Daejeon (KR)
Assigned to LG CHEM, LTD., Seoul (KR)
Appl. No. 17/619,682
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Oct. 16, 2020, PCT No. PCT/KR2020/014140
§ 371(c)(1), (2) Date Dec. 16, 2021,
PCT Pub. No. WO2021/075895, PCT Pub. Date Apr. 22, 2021.
Claims priority of application No. 10-2019-0129952 (KR), filed on Oct. 18, 2019; and application No. 10-2020-0133931 (KR), filed on Oct. 16, 2020.
Prior Publication US 2022/0389018 A1, Dec. 8, 2022
Int. Cl. C07D 405/04 (2006.01); C07D 403/10 (2006.01); C07D 409/04 (2006.01); C07D 487/04 (2006.01); H10K 85/60 (2023.01)
CPC C07D 405/04 (2013.01) [C07D 403/10 (2013.01); C07D 409/04 (2013.01); C07D 487/04 (2013.01); H10K 85/622 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); C07B 2200/05 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An organic light emitting device, comprising:
an anode, a hole transport layer, a light emitting layer, an electron transport layer, and a cathode,
wherein the light emitting layer comprises a compound of the following Chemical Formula 1 and a compound of the following Chemical Formula 2:

OG Complex Work Unit Chemistry
wherein in Chemical Formula 1:
A is a benzene ring fused with two adjacent pentagonal rings;
R1 to R8 are each independently hydrogen, deuterium, a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing any one or more heteroatoms selected from the group consisting of N, O and S;
Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl or a substituted or unsubstituted C2-60 heteroaryl containing any one or more heteroatoms selected from the group consisting of N, O and S;

OG Complex Work Unit Chemistry
wherein in Chemical Formula 2:
X1 to X3 are each independently N or CH, provided that at least one of them is N;
L is

OG Complex Work Unit Chemistry
Ar3 and Ar4 are each independently a substituted or unsubstituted C6-60 aryl or a substituted or unsubstituted C2-60 heteroaryl containing any one or more heteroatoms selected from the group consisting of N, O and S;
any one of R9 to R12 is a bond with L, and the remaining R9 to R12 other than a bond with L are each independently hydrogen, deuterium, a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing any one or more heteroatoms selected from the group consisting of N, O and S; and
R13 to R20 are each independently hydrogen, deuterium, a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing any one or more heteroatoms selected from the group consisting of N, O and S.