AC thin film electroluminescent device
US5742322A · kind A · utility
45Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 1994 |
| Grant date | Apr 21, 1998 |
| Priority date | — |
| Expiry date | Aug 19, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B33/22
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A thin film electroluminescent device, comprising a first electrode layer, first and second dielectric layers with an active phosphor layer disposed therebetween, and a second electrode layer, wherein there is provided within the phosphor layer at least one barrier layer comprising a thin layer of dielectric material. An array of such devices placed side to side is provided with a print head suitable for A4 electrographic printing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.