Patent · US Expired

Pigment coated phosphor

US4172920A · kind A · utility

17Cited by
8References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 1978
Grant dateOct 30, 1979
Priority date
Expiry dateApr 28, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2993
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A pigment coated phosphor used as a green emitting phosphor for a high contrast color television cathode ray tube. A green emitting phosphor is coated with TiO.sub.2 --ZnO--CoO--NiO system pigment particles.

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