Amine compound and organic electroluminescent element
US9991455B2 · kind B2 · utility
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27Claims
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Key dates
| Filing date | Sep 19, 2014 |
| Grant date | Jun 5, 2018 |
| Priority date | — |
| Expiry date | Jan 16, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/622
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An organic electroluminescence device having good emission efficiency is provided. The organic electroluminescence device includes an amine compound which includes a benzofluorene structure and an aryl group and/or a heteroaryl group, wherein the benzofluorene structure has a specific substituent at 9-position of the fluorene ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.