The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 08, 2010
Filed:
Jul. 01, 2005
Applicants:
Gerhard Hebbinghaus, Julich, DE;
Jozef Merx, Eindhoven, NL;
Inventors:
Gerhard Hebbinghaus, Julich, DE;
Jozef Merx, Eindhoven, NL;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 61/073 (2006.01); H01J 61/12 (2006.01); H01J 61/36 (2006.01); H01J 61/82 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a Hg free high pressure discharge lamp having a quartz envelope and a halide filling, wherein the lamp comprises at least one electrode which comprises tungsten and ≧0 wt. % and ≦0.5 wt. % thorium and whereby the lamp comprises at least one Mo-containing lead-in wire and/or foil whereby the Mo containing wire and/or foil comprises TiOand having a characteristic life time of ≧2500 h and ≦7500 h according to the EU Carmaker cycle test.