Patent · US Expired

Fluorescent composition

US4563297A · kind A · utility

12Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 8, 1981
Grant dateJan 7, 1986
Priority date
Expiry dateJun 8, 2001

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05B33/14
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A fluorescent composition containing indium oxide and rare earth elements which can emit green, blue or red light under low-velocity electron excitation.

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