Organic element for electroluminescent devices
US7208233B2 · kind B2 · utility
0Cited by
4References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2004 |
| Grant date | Apr 24, 2007 |
| Priority date | — |
| Expiry date | Feb 1, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electroluminescent device comprising a host material and a rubrene derivative having a naphthacene nucleus comprising four fused phenyl rings a, b, c, and d, in order, containing two secondary phenyl ring groups linked to the “c” ring, each bearing directly or indirectly a fluoro or perfluoroalkyl group, wherein each fluoro or perfluoroalkyl group is either:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.