Electroluminescent device having a light reflecting film only at locations corresponding to light emitting regions
US5804918A · kind A · utility
36Cited by
11References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1995 |
| Grant date | Sep 8, 1998 |
| Priority date | — |
| Expiry date | Dec 7, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B33/24
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electroluminescent device comprises an insulating substrate having thereon a pair of electrodes comprising a transparent first electrode and a transparent second electrode, with a stack of transparent first insulating layer, a luminescent layer, and a second transparent layer interposed therebetween; provided that a light reflecting plane is formed on the outside of one of the electrode pairs with a transparent insulating substance interposed between, the electrode being disposed opposed to the light outcoupling direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.