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:
Mar. 08, 2011
Filed:
Feb. 10, 2006
Peter Schmidt, Aachen, DE;
Volker Bachmann, Aachen, DE;
Silvia Golsch, Wurselen, DE;
Wolfgang Busselt, Roetgen, DE;
Peter Schmidt, Aachen, DE;
Volker Bachmann, Aachen, DE;
Silvia Golsch, Wurselen, DE;
Wolfgang Busselt, Roetgen, DE;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
An Illumination system comprising a radiation source and a monolithic ceramic luminescence converter comprising at least one phosphor capable of absorbing a part of the light emitted by the radiation source and emitting light of a wavelength different from that of the absorbed light, wherein said at least one phosphor is an europium(II)-activated oxonitridosilicate of the general formula (Sr1-a-b-c-d-e-fCabBacMgdZneCef)Six-gGegNyOz:Eua, wherein 0.001<a<0.2, 0.0<b<1.0, 0.0<c<0.5, 0.0 <d<0.25, 0.0<e<0.25, 0.0<f<0.2, 0.0<g<1.0, 1.5<x<2.5, 1.5<y<2.5 and 1.5<z<2.5.