Patent · US Active

Low-pressure gas discharge lamp with a reduced argon proportion in the gas filling

US7948182B2 · kind B2 · utility

0Cited by

9References

7Claims

0Family size

Assignee

OSRAM Gesellschaft mit beschraenkter Haftung · DE

Inventors

Martin Beck · Augsburg, DE
Jürgen Dichtl · Wolfratshausen, DE
Roland Hoffmann · Augsburg, DE

Key dates

Filing date	Jul 25, 2006
Grant date	May 24, 2011
Priority date	—
Expiry date	Aug 15, 2027

Classification

Technology area (CPC H)Electricity
CPC primaryH01J61/20
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to novel gas fillings of low-pressure gas discharge lamps for reducing the starting and arc drop voltages at low Hg vapor pressures. In favor of a mixture consisting of Ne and Kr, the Ar portion of the gas filling is considerably reduced.

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