Semiconductor electrodes having multicolor luminescence
US4780643A · kind A · utility
11Cited by
9References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1983 |
| Grant date | Oct 25, 1988 |
| Priority date | — |
| Expiry date | Mar 30, 2003 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B33/145
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A multicolor luminescent article comprises a layer of a first luminescent semiconductor having a discontinuous layer, pattern or image comprised of a second luminescent semiconductor on at least one surface thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.