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. 24, 2011
Filed:
Dec. 21, 2006
Holger Moench, Vaals, DE;
Pavel Pekarski, Aachen, DE;
Holger Moench, Vaals, DE;
Pavel Pekarski, Aachen, DE;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
A high-pressure mercury vapor discharge lamp () comprising an envelope () of high temperature resistant material having a discharge vessel () and two electrodes () extending from two seal portions () into the discharge vessel (), the two electrodes having an electrode gap (de) smaller than or equal to 2.5 mm, preferably smaller than or equal to 1.5 mm, is described. The discharge vessel () contains a filling which essentially comprises the following substances: rare gas, oxygen, halogen consisting of chlorine, bromine, iodine, or a mixture thereof, as well as mercury in a quantity greater than or equal to 0.15 mg/mm3' The seal portions () have a cross-sectional area of between 6 mm2 and 20 mm2, preferably approximately 10 mm2. A method of manufacturing such a high-pressure mercury vapor discharge lamp () and a projector system for such a high-pressure mercury vapor discharge lamp () are also described.