Patent ID: 11937498
Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 9:
10. A light-emitting device comprising a light-emitting layer between a pair of electrodes,
wherein the light-emitting layer comprises a host material and a guest material,
wherein the host material comprises a benzo[a]anthracene skeleton and a substituted anthracene skeleton,
wherein the benzo[a]anthracene skeleton is bonded to a 2-position of the anthracene skeleton,
wherein a 9-position of the anthracene skeleton and a 10-position of the anthracene skeleton each independently comprise a substituted or unsubstituted aryl group having 6 to 13 carbon atoms,
wherein the guest material comprises a luminophore, and
wherein the luminophore comprises a benzofuran skeleton.