Patent · US Expired

High-pressure discharge lamp for vehicle headlights

US7126281B2 · kind B2 · utility

6Cited by

2References

6Claims

0Family size

Assignee

Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH · DE

Inventors

Dirk Grundmann · Berlin, DE
Conrad Schimke · Berlin, DE

Key dates

Filing date	Mar 12, 2004
Grant date	Oct 24, 2006
Priority date	—
Expiry date	Dec 7, 2024

Classification

Technology area (CPC H)Electricity
CPC primaryH01J61/125
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to a mercury-free high-pressure discharge lamp for use in a vehicle headlight. The ionizable filling of the high-pressure discharge lamp according to the invention comprises exclusively xenon and the halides of the metals sodium, scandium, indium and zinc.

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