US 12,122,768 B2
Benzonitrile derivative, light-emitting material, and light-emitting element using same
Takuma Yasuda, Fukuoka (JP); In Seob Park, Fukuoka (JP); Katsunori Tanaka, Odawara (JP); Yasuhiro Miyashita, Odawara (JP); and Yasuhiko Ashikari, Odawara (JP)
Assigned to KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, Fukuoka (JP); and NIPPON SODA CO., LTD., Tokyo (JP)
Appl. No. 17/272,550
Filed by KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, Fukuoka (JP); and NIPPON SODA CO., LTD., Tokyo (JP)
PCT Filed Aug. 29, 2019, PCT No. PCT/JP2019/033913
§ 371(c)(1), (2) Date Mar. 1, 2021,
PCT Pub. No. WO2020/050127, PCT Pub. Date Mar. 12, 2020.
Claims priority of application No. 2018-165955 (JP), filed on Sep. 5, 2018; and application No. 2019-017156 (JP), filed on Feb. 1, 2019.
Prior Publication US 2021/0332032 A1, Oct. 28, 2021
Int. Cl. C07D 403/14 (2006.01); H10K 50/11 (2023.01); H10K 85/60 (2023.01)
CPC C07D 403/14 (2013.01) [H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 50/11 (2023.02)] 5 Claims
 
1. A compound represented by formula (IIa), formula (IIb), formula (IIc), formula (IIIa), or formula (IIIb):

OG Complex Work Unit Chemistry
wherein in formula (IIa), formula (IIb), formula (IIc), formula (IIIa), and formula (IIIb):
each L independently represents a substituted or unsubstituted, nitrogen-containing 5-membered ring or 6-membered ring heteroaryl group,
each Q′ independently represents a substituted or unsubstituted 3,6-di-t-butyl-9H-carbazol-9-yl group,
each Q″ independently represents a substituted or unsubstituted 3,6-di-t-butyl-9H-carbazol-9-yl group, or a substituted or unsubstituted 3,6-diphenyl-9H-carbazol-9-yl group.