Chrysene derivative and organic electroluminescent device using the same
US8221907B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2008 |
| Grant date | Jul 17, 2012 |
| Priority date | — |
| Expiry date | Apr 2, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A chrysene derivative shown by the following formula:wherein R1 to R10 and R21 to R25 are independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 10 ring carbon atoms, a substituted or unsubstituted alkylsilyl group having 3 to 20 carbon atoms, a substituted or unsubstituted arylsilyl group having 8 to 30 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 20 ring carbon atoms, provided that at least one of R21 to R25 is a substituted or unsubstituted fused aromatic ring group having 10 to 20 ring carbon atoms or a substituted or unsubstituted fluorenyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.