Method for producing thin, uniform powder phosphor for display screens
US5531880A · kind A · utility
11Cited by
86References
22Claims
0Family size
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Key dates
| Filing date | Sep 13, 1994 |
| Grant date | Jul 2, 1996 |
| Priority date | — |
| Expiry date | Sep 13, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D13/02
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A system and method for producing thin, uniform powder phosphors for field emission display screens wherein a planarization of the phosphor powder layer is accomplished by placing the deposited phosphor layer in an anode plate between two optical flats, which are then mounted within a mechanical press.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.