Material for light-emitting element and light emitting element
US7901794B2 · kind B2 · utility
2Cited by
0References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2006 |
| Grant date | Mar 8, 2011 |
| Priority date | — |
| Expiry date | May 20, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/103
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention is a light-emitting device material characterized by containing a pyrene compound represented by the following general formula (1): wherein R15 is a specific functional group; andY1 to Y4 is selected from among a nitrogen atom and a carbon atom, provided that at least one of the Y1 to Y4 is a nitrogen atom and at least one thereof is a carbon atom, and no substituents exist on the nitrogen atom in the case of the nitrogen atom.This material provides a light-emitting device having high luminous efficiency and excellent durability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.