Electroluminescent device
US5118986A · kind A · utility
23Cited by
1References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 1990 |
| Grant date | Jun 2, 1992 |
| Priority date | — |
| Expiry date | Jun 21, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B33/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electroluminescent device having: PA1 an anode and a cathode; and PA1 at least two organic compound layers sandwiched between said two electrodes, PA1 at least one of said organic compound layers being a hole transporting layer containing a compound represented by the following general formula (I) ##STR1## wherein R.sup.1 represents hydrogen atom, a lower alkyl group, a lower alkoxy groups, a halogen or a nitro group, A represents ##STR2## (wherein R.sup.2 represents a lower alkyl group, a substituted or non-substituted aryl group or an aralkyl group, and R.sup.3 represents a lower alkyl group.)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.