Electroluminescent device having sub-interlayers for high luminous efficiency with device life
US5229628A · kind A · utility
22Cited by
12References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 26, 1990 |
| Grant date | Jul 20, 1993 |
| Priority date | — |
| Expiry date | Jul 26, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B33/12
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electroluminescence device is constituted by sequentially stacking a glass substrate, a transparent electrode, a luminescent layer, an interlayer containing a semiconductor having a band gap of 2.4 eV or more, a current-limiting layer containing a conductive powder, and a backplate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.