Light emitting device material and light emitting device
US8916275B2 · kind B2 · utility
2Cited by
0References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2010 |
| Grant date | Dec 23, 2014 |
| Priority date | — |
| Expiry date | Sep 26, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31504
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is an organic electroluminescent element which has achieved both high luminous efficiency and low driving voltage by containing a light-emitting element material, which comprises a specific pyrene compound, in one of the layers that constitute the light-emitting element, preferably in a light-emitting layer or in an electron-transporting layer. The pyrene compound may have the following general formula:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.