Tetraaryl benzidines
US5639914A · kind A · utility
115Cited by
4References
6Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 1, 1994 |
| Grant date | Jun 17, 1997 |
| Priority date | — |
| Expiry date | Nov 1, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31909
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides novel amine compounds useful as electron-transporting materials to be incorporated in organic electro-luminescence devices. More particularly, the present invention provides an organic electro-luminescence device (organic EL device) which can find wide application in various display units, requires a low applied voltage and exhibits a high luminance and an excellent stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.