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. 11, 2004
Filed:
Jun. 19, 2002
Applicant:
Inventors:
Thomas Juestel, Aachen, DE;
Rainer Hilbig, Aachen, DE;
Claus Feldmann, Aachen, DE;
Hans-Otto Jungk, Langerwehe-Hamich, DE;
Walter Mayr, Alsdorf, DE;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 1/720 ;
U.S. Cl.
CPC ...
H01J 1/720 ;
Abstract
A low-pressure gas discharge lamp comprising a gas discharge vessel with a gas filling containing mercury, and comprising electrodes, means for igniting and maintaining a gas discharge, and a phosphor coating containing at least one phosphor layer and a UV-C phosphor and a phosphor that can be excited by UV-C radiation.
Published as:
DE10129630A1; EP1271617A2; US2003011310A1; JP2003022783A; CN1395285A; US6734631B2; EP1271617A3; CN1319112C;