Electroluminescence device
US5085947A · kind A · utility
19Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1989 |
| Grant date | Feb 4, 1992 |
| Priority date | — |
| Expiry date | Dec 29, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electroluminescence device containing a first organic compound having positive-hole-transporting and luminous properties, such as a triphenyl amine compound, a stilbene derivative or a pyrazoline derivative, and a second organic compound having electron-transporting property, such as an oxadiazole derivative, in its luminescence layer interposed between a pair of electrodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.