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:
Jul. 28, 2015
Filed:
Sep. 14, 2012
Barbara Roswitha Muelders, Aachen, DE;
Barbara Roswitha Muelders, Aachen, DE;
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Abstract
The invention describes a discharge lamp () comprising a quartz glass envelope (), a discharge chamber () and a pair of electrodes (), wherein an outer end portion (A) of an electrode () overlaps a conductive foil () embedded in a pinch () of the quartz glass envelope (), and wherein the electrode () comprises an inner structured zone (ZB) in an inner portion (B) of the electrode () between the conductive foil () and the discharge chamber (), and an outer structured zone (ZA) over the outer end portion (A) of the electrode (), and wherein the outer structured zone (ZA) and the inner structured zone (ZB) are different from each other. The invention also describes a method of manufacturing an electrode () for use in a discharge lamp (). The invention further describes an electrode () for use in a discharge lamp ().