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:
Jan. 11, 2005
Filed:
Jun. 30, 2003
Josephus Christiaan Maria Hendricx, Eindhoven, NL;
Joseph Leonardus Gregorius Suijker, Turnhout, BG;
Antonius Arnoldus Duisters, Eindhoven, NL;
Fransiscus Arnoldus Vermeulen, Eindhoven, NL;
Josephus Christiaan Maria Hendricx, Eindhoven, NL;
Joseph Leonardus Gregorius Suijker, Turnhout, BG;
Antonius Arnoldus Duisters, Eindhoven, NL;
Fransiscus Arnoldus Vermeulen, Eindhoven, NL;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
Metal halide lamps have a discharge vessel operable at a high coldest spot temperature. The discharge vessel encloses a discharge space comprising an ionizable gas filling and, in addition to Hg, also an alkali iodide of Na of Li or a combination of both. According to the invention, the filling also comprises TbI3 or GdI3 or a combination thereof.