US 12,410,151 B2
Fluorene derivative and organic light emitting device comprising same
Miyeon Han, Daejeon (KR); Dong Hoon Lee, Daejeon (KR); Jungoh Huh, Daejeon (KR); Boonjae Jang, Daejeon (KR); Dong Uk Heo, Daejeon (KR); Junghoon Yang, Daejeon (KR); and Heekyung Yun, Daejeon (KR)
Assigned to LG Chem, Ltd., Seoul (KR)
Filed by LG CHEM, LTD., Seoul (KR)
Filed on Mar. 21, 2024, as Appl. No. 18/612,944.
Application 18/612,944 is a continuation of application No. 16/629,304, granted, now 12,010,911, previously published as PCT/KR2018/008406, filed on Jul. 25, 2018.
Claims priority of application No. 10-2017-0096148 (KR), filed on Jul. 28, 2017.
Prior Publication US 2024/0292745 A1, Aug. 29, 2024
Int. Cl. C07D 401/10 (2006.01); C07D 251/24 (2006.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01)
CPC C07D 401/10 (2013.01) [C07D 251/24 (2013.01); H10K 85/30 (2023.02); H10K 85/654 (2023.02); H10K 50/11 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/17 (2023.02); H10K 50/171 (2023.02)] 8 Claims
OG exemplary drawing
 
1. A fluorene derivative of Chemical Formula 1-1 to Chemical Formula 1-3:

OG Complex Work Unit Chemistry
wherein, in Chemical Formula 1-1 to 1-3:
Ar1 and Ar3 are hydrogen;
L2 and L4 are the same as or different from each other, and each independently is a direct bond, a substituted or unsubstituted arylene group, or a substituted or unsubstituted heteroarylene group;
a and c are an integer of 4;
X1 to X3 are the same as or different from each other, and each independently is N or CR1;
two or more of X1 to X3 are N;
R1 and R2 are hydrogen;
Y1 and Y2 are the same as or different from each other, and each independently is deuterium, a substituted or unsubstituted alkyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group; and
n is 4.