Patent · US Expired

Lighting arrangement having a fluorescent lamp, particularly a cold cathode lamp

US7323830B2 · kind B2 · utility

2Cited by
6References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 27, 2005
Grant dateJan 29, 2008
Priority date
Expiry dateNov 18, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05B41/2822
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A lighting arrangement having at least one fluorescent lamp comprising a tube that has at least one light emitting region, a high-voltage terminal at a first end of the tube and a low-voltage terminal at a second end of the tube, an electrically conductive surface being arranged adjacent to the light emitting region of the tube that extends at least partly over the length of the tube, a voltage that corresponds at least approximately to the voltage gradient over the tube being applied to the electrically conductive surface.

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