	US 12,448,401 B2
	Organic compound, light-emitting device, light-emitting apparatus, electronic device, and lighting device
Tomoka Hara, Kanagawa (JP); Hideko Yoshizumi, Kanagawa (JP); Takeyoshi Watabe, Kanagawa (JP); Airi Ueda, Kanagawa (JP); and Satoshi Seo, Kanagawa (JP)
Assigned to Semiconductor Energy Laboratory Co., Ltd., (JP)
Appl. No. 17/415,182
Filed by Semiconductor Energy Laboratory Co., Ltd., Kanagawa-ken (JP)
PCT Filed Dec. 16, 2019, PCT No. PCT/IB2019/060827 § 371(c)(1), (2) Date Jun. 17, 2021, PCT Pub. No. WO2020/136496, PCT Pub. Date Jul. 2, 2020.
Claims priority of application No. 2018-248104 (JP), filed on Dec. 28, 2018.
Prior Publication US 2022/0041635 A1, Feb. 10, 2022
Int. Cl. C07F 15/00 (2006.01); H10K 50/11 (2023.01); H10K 85/30 (2023.01); H10K 101/10 (2023.01); H10K 101/30 (2023.01); H10K 101/40 (2023.01)

CPC C07F 15/0033 (2013.01) [H10K 85/342 (2023.02); H10K 50/11 (2023.02); H10K 2101/10 (2023.02); H10K 2101/30 (2023.02); H10K 2101/40 (2023.02)]

23 Claims

1. An organometallic complex represented by Formula (G1),

wherein:

M represents a Group 9 element or a Group 10 element;

each of Ar¹and Ar²independently represents any one of a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted phenanthryl group, and a substituted or unsubstituted fluorenyl group;

each of R¹to R⁴independently represents any of hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted aryl group having 6 to 12 carbon atoms, and a substituted or unsubstituted heteroaryl group having 3 to 12 carbon atoms, a cyano group, a trifluoromethylsulfonyl group, and a pentafluorosulfanyl group;

at least one of R¹to R⁴represents any of a cyano group, a trifluoromethylsulfonyl group, and a pentafluorosulfanyl group;

L represents a monoanionic ligand; and

m+n=3 when M is a Group 9 element and m+n=2 when M is a Group 10 element, and

wherein an emission peak of the organometallic complex is longer than or equal to 700 nm.