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. 14, 2005
Filed:
Oct. 10, 2001
Applicants:
Volker Dirk Hildenbrand, Eindhoven, NL;
Harald Glaeser, Aachen, DE;
Cornelis Reinder Ronda, Aachen, DE;
Claudia Mutter, Eindhoven, NL;
Inventors:
Volker Dirk Hildenbrand, Eindhoven, NL;
Harald Glaeser, Aachen, DE;
Cornelis Reinder Ronda, Aachen, DE;
Claudia Mutter, Eindhoven, NL;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J017/16 ; H01J061/35 ;
U.S. Cl.
CPC ...
Abstract
In an UV-reflecting layer for discharge lamps, the layer comprises at least 0.1% by weight of AlOand at least 0.1% by weight of a material having a higher refractive index than AlO, so that as large a proportion of UV light as possible can be reflected and as large a portion of visible light as possible can be emitted by the lamp.