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:
Nov. 28, 2006
Filed:
May. 30, 2002
Koert Oskam, Utrecht, NL;
Andries Meijerink, Soesterberg, NL;
Rene Theodorus Wegh, Eindhoven, NL;
Claus Feldmann, Aachen, DE;
Detlef Uwe Wiechert, Alsdorf, DE;
Thomas Juestel, Aachen, DE;
Cornelis Reinder Ronda, Aachen, DE;
Koert Oskam, Utrecht, NL;
Andries Meijerink, Soesterberg, NL;
Rene Theodorus Wegh, Eindhoven, NL;
Claus Feldmann, Aachen, DE;
Detlef Uwe Wiechert, Alsdorf, DE;
Thomas Juestel, Aachen, DE;
Cornelis Reinder Ronda, Aachen, DE;
Koninklijke Philips Electronics, N.V., Eindhoven, NL;
Abstract
A gas discharge lamp has a gas discharge vessel filled with a gas filling suitable for a gas discharge which emits VUV radiation, with a phosphor coating containing a downconversion phosphor. The downconversion phosphor has, in a host lattice, a pair of activators of a first lanthanoid ion and a second lanthanoid ion; a sensitizer selected from the group formed by the thallium(I) ion, lead(II) ion and bismuth(III) ion; and samarium(II) ion co-activator.