Patent · US Expired

Phosphor for vacuum ultraviolet excitation material

US6676853B1 · kind B1 · utility

5Cited by
4References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 23, 2000
Grant dateJan 13, 2004
Priority date
Expiry dateOct 23, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K11/7792
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention provides a phosphor for a vacuum ultraviolet (VUV) excitation material, obtained by adding Eu or Tb to a compound comprising Gd, Al and O.The present invention also provides a phosphor for a vacuum ultraviolet excitation material, obtained by adding Eu or Tb to a compound comprising Gd, Al, B and O.The present invention further provides a phosphor for a vacuum ultraviolet excitation material, obtained by adding Eu to a compound comprising Gd, M, B and O, wherein M represents one or more alkaline earth metal elements selected from the group consisting of Ca, Sr and Ba.

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