Patent · US Expired

Method for gettering an image display apparatus

US6652343B2 · kind B2 · utility

8Cited by
18References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 5, 2002
Grant dateNov 25, 2003
Priority date
Expiry dateApr 5, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J2329/00
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An image display apparatus is provided with an external housing constituted by members including first and second substrates positioned with a gap therebetween, an electron source positioned on the first substrate in the external housing, and a fluorescent film and an accelerating electrode provided on the second substrate. A first getter is positioned in the image display area in the external housing. A second getter is provided, so that it is insulated from the electron source and the accelerating electrode, which surrounds the first getter.

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