Patent ID: 11950447
Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  G | IPC C  H

Claim 15:
16. The light-emitting device according to claim 11,
wherein the light-emitting substance is an organometallic complex represented by General Formula (G1):, wherein:
each of R1 to R11 independently represents hydrogen or an alkyl group having 1 to 6 carbon atoms,
at least two of R1 to R4 represent an alkyl group having 1 to 6 carbon atoms,
at least two of R5 to R9 represent an alkyl group having 1 to 6 carbon atoms,
X represents a substituted or unsubstituted benzene ring or naphthalene ring, and
n is 2 or 3; and L represents a monoanionic ligand.