Patent · US Expired

Fluorescent flat lamp assembly provided with external electrodes and with internal electrodes positioned within spacers inside the flat lamp

US7304430B2 · kind B2 · utility

2Cited by
1References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 14, 2004
Grant dateDec 4, 2007
Priority date
Expiry dateMay 2, 2026

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J2211/36
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A flat lamp is provided, including an upper plate and a lower plate arranged to face each other at a predetermined distance; a plurality of spacers installed between the upper plate and the lower plate to form discharge spaces; a first and second electrodes provided in a stripe form on the outer surface of the upper plate or the lower plate with the respective discharge spaces located thereon; a first and second inner electrodes provided within each of the spacers; and a fluorescent layer formed on each of inner surfaces of the upper and lower plates and each of the outer surfaces of the spacers.

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