Low process temperature thin film phosphor for electroluminescent displays
US7811678B2 · kind B2 · utility
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10References
29Claims
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Assignee
Inventors
Key dates
| Filing date | Sep 12, 2003 |
| Grant date | Oct 12, 2010 |
| Priority date | — |
| Expiry date | Jan 20, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/26
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention is a thin film phosphor structure that can be processed on a substrate comprising glass or glass ceramic coated with thin film electrode strips at lower temperatures. The improved phosphor structure for use in a thick film dielectric electroluminescent display comprises a phosphor laminate of a blue light emitting phosphor thin film layer and a thin fluoride containing layer provided directly adjacent the phosphor thin film layer, wherein the fluoride containing layer is provided on the top and/or bottom of the phosphor thin film layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.