Compound, light-emitting material, and organic light-emitting device
US11038118B2 · kind B2 · utility
1Cited by
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11Claims
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Key dates
| Filing date | Dec 28, 2016 |
| Grant date | Jun 15, 2021 |
| Priority date | — |
| Expiry date | Dec 9, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/351
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound having a structure represented by the following general formula emits delayed fluorescent light and is useful as a light-emitting material. Three or more of R1, R2, R4, and R5 each represent a 9-carbazolyl group, a 10-phenoxazyl group, or a 10-phenothiazyl group, and the balance thereof and R3 each represent a hydrogen atom or a substituent, but exclude a cyano group. R3 excludes an aryl group, a heteroaryl group, and an alkynyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.