Patent · US Active

Electrode materials for electric lamps and methods of manufacture thereof

US7652415B2 · kind B2 · utility

0Cited by
17References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 20, 2005
Grant dateJan 26, 2010
Priority date
Expiry dateOct 27, 2027

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J61/0737
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electron emissive material comprises an alkaline earth metal halide composition and operable to emit electrons on excitation. A lamp including an envelope, an electrode including an alkaline earth metal halide electron emissive material and a discharge material, is also disclosed.

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