Electroluminescent device with anthracene derivative host
US7326371B2 · kind B2 · utility
15Cited by
8References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2004 |
| Grant date | Feb 5, 2008 |
| Priority date | — |
| Expiry date | Dec 21, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/649
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electroluminescent device comprises a light emitting layer including an anthracene material bearing at least one aryl ring in the 2-position and having a hydrogen or an alkyl group in the 6-position and having up to 12 aromatic carbocyclic rings including at least one naphthalene group in the 9-position of the anthracene group and an aryl group in the 10-position, the anthracene material including among the rings only carbocyclic rings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.