Patent · US Expired

Coated phosphors and articles employing same

US4199617A · kind A · utility

4Cited by
4References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 6, 1978
Grant dateApr 22, 1980
Priority date
Expiry dateDec 6, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2998
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The disposition of an array of color phosphor dots on a color cathode ray tube faceplate by conventional photo deposition techniques is facilitated by first coating the individual phosphor particles with polyvinyl alcohol modified with an amino acid such as glutamic or aspartic acid.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.