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. 05, 2018
Filed:
May. 06, 2014
Koninklijke Philips N.v., Eindhoven, NL;
Daiyu Hayashi, Köl n, DE;
Jianghong Yu, Best, NL;
Georg Greuel, Roetgen, DE;
Thomas Jüstel, Witten, NL;
Cornelis Reinder Reinder Ronda, Aachen, DE;
PHILIPS LIGHTING HOLDING B.V., Eindhoven, NL;
Abstract
The invention relates to an UV radiation device, comprising an LED comprising a nitridic material which is arranged to emit first UV radiation in a wavelength range of 200 nm-300 nm and a luminescent material doped with at least one of the following activators selected out of the group Eu, Ce, Pr, Nd, Gd, Tm, Sb, Tl, Pband Bi, wherein the luminescent material is configured to convert at least a part of the primary UV radiation into secondary UV radiation, the primary UV radiation and the secondary UV radiation having a different spectral distribution.