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:
May. 07, 2013
Filed:
Sep. 19, 2008
Applicants:
Michael Haacke, Aachen, DE;
Norbert Lesch, Vaals, NL;
Inventors:
Michael Haacke, Aachen, DE;
Norbert Lesch, Vaals, NL;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 61/12 (2006.01); H01J 61/30 (2006.01); H01J 17/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A high-pressure gas discharge lamp has a sealed discharge vessel with an inner discharge space. Two electrodes project into the discharge space. The filling in the discharge space includes metal halides and a rare gas. The filling is free of Hg and Th and includes halides in an amount of 7.1-11.4 μg/mmof the volume of the discharge space. The halides includes at least NaI and ScI, provided in such amounts that a ratio of the masses of NaI to ScIis 1.2-1.6.