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. 18, 2003
Filed:
Jan. 22, 2002
Applicant:
Inventors:
Georg Bogner, Hainsacker, DE;
Ir G. Botty, Venlo, NL;
Bert Braune, Voelklingen, DE;
Hubertus T. Hintzen, Eindhoven, NL;
Jost W. H. van Krevel, Eindhoven, NL;
Guenter Waitl, Regensburg, DE;
Assignee:
Osram Opto Semiconductors GmbH, Regensburg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/7148 ;
U.S. Cl.
CPC ...
H01L 2/7148 ;
Abstract
A light source uses a yellow to red emitting phosphor with a host lattice of the nitridosilicate type M Si N :Eu, wherein M is at least one of an alkaline earth metal chosen from the group Ca, Sr, Ba and wherein z=2/3x+4/3y.