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US 12,765,161 B2Granted
Compound, light-emitting material, and light-emitting element
AssigneeKyulux, Inc.
InventorsYong Joo Cho, Yoshitake Suzuki, Masataka Yamashita, Naomi Shimamura, Yu Yamane, Satoshi Ohno, Shinhyung Choi, Noboru Sanada
Life of this patent
Estimating the term…
Abstract
A compound represented by the following general formula is an excellent light emitting material. R1 to R5 each represent a hydrogen atom, a deuterium atom, or a substituent other than a cyano group, but one or more of R1 to R5 is an aryl group or a pyridyl group, two or more of R1 to R5 are donor groups, and one or more of them are a substituted ring-fused indol-1-yl group (the number of rings constituting the fused ring is 4 or more).
Claims12
A compound represented by the following general formula (1):
- wherein R3 is a substituted or unsubstituted aryl group of a monocyclic ring, R1 and R5 are unsubstituted carbazol-9-yl groups, and R2 and R4 are each independently a benzofuro- or benzothieno-fused carbazol-9-yl group substituted with an aryl group of a monocyclic ring.
Dependencies are inferred from the claim text.