Patent · US Active

High-pressure discharge lamp having a capacitive ignition aid

US8664855B2 · kind B2 · utility

3Cited by

5References

14Claims

0Family size

Assignee

OSRAM GmbH · DE

Inventors

Johannes Buttstaedt · Falkensee, DE
Stefan Dünkel · Dresden, DE
Leon Grabinski · Berlin, DE
Janbernd Hentschel · Eichstätt, DE
Bernd Koch · Berlin, DE
Stefan Lichtenberg · Falkensee, DE
Martin Tueshaus · Berlin, DE

Key dates

Filing date	Oct 8, 2010
Grant date	Mar 4, 2014
Priority date	—
Expiry date	Oct 8, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH01J61/82
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A high-pressure discharge lamp having an ignition aid may be provided, having a discharge vessel that is surrounded by gas, wherein the discharge vessel includes two ends having fusings in which electrodes are secured, wherein an ignition aid is fastened on at least one fusing, wherein the ignition aid has a local field amplifier in the form of a tip or a curved part, wherein the ignition aid is configured to cause a corona discharge in the surrounding gas which emits UV radiation into the discharge vessel.

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