Organic thin film electroluminescence element
US5443922A · kind A · utility
215Cited by
20References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1992 |
| Grant date | Aug 22, 1995 |
| Priority date | — |
| Expiry date | Oct 28, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An organic thin film electroluminescence element is disclosed. It comprises an organic compound represented by formula I in a luminescent layer or electron injection layer. The element may further comprises a compound represented by formula II in a hole injection layer. ##STR1## The definition is detailed in the description. The element has a greater intensity of luminescence and a high durability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.