Oxygen-containing fused ring derivative and organic electroluminescence device comprising the same
US9484540B2 · kind B2 · utility
6Cited by
4References
14Claims
0Family size
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Key dates
| Filing date | Nov 22, 2011 |
| Grant date | Nov 1, 2016 |
| Priority date | — |
| Expiry date | Jul 6, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/636
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An oxygen-containing fused ring derivative represented by the following formula (1) wherein Ar1 is an m-valent fused ring group in which four or more rings including one or more rings selected from a furan ring and a pyran ring are fused and HAr is any of the nitrogen-containing heterocyclic group represented by the following formulas (2) to (5):
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.