Patent ID: 11930703
Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 7:
8. A light-emitting element comprising:
a pair of electrodes; and
a light-emitting layer between the pair of electrodes, the light-emitting layer comprising a light-emitting substance and a host material,
wherein the light-emitting substance comprises an organic compound having a molecular weight of less than or equal to 5000 and represented by General Formula (G4):, wherein X1 and X2 independently represent an oxygen atom or a sulfur atom, and
wherein R1, R3 to R8, R10 to R12, R40 to R43, R45 to R49, and R50 to R58 independently represent hydrogen, an aliphatic hydrocarbon group having 1 to 10 carbon atoms, an alicyclic hydrocarbon group having 3 to 20 carbon atoms, an aromatic hydrocarbon group having 6 to 25 carbon atoms, or a heterocyclic group having 1 to 25 carbon atoms.