Phosphor screen for a flickerless cathode ray tube and a process for preparing the same
US5998918A · kind A · utility
21Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 24, 1997 |
| Grant date | Dec 7, 1999 |
| Priority date | — |
| Expiry date | Nov 24, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J29/32
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method of manufacturing a phosphor screen for a flickerless cathode ray tube comprising the steps of forming red and green phosphor layers on a panel for a cathode ray tube on which a black matrix is formed, forming a blue phosphor layer on said panel on which a black matrix is formed by coating the blue phosphor slurry and drying and forming a double phosphor layer by coating an ultraviolet phosphor slurry on said blue phosphor layer and drying, is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.