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:
Dec. 18, 2007
Filed:
Aug. 09, 2005
Applicants:
Tim Fiedler, Munich, DE;
Gunter Huber, Schrobenhausen, DE;
Ulrich Muller, Munich, DE;
Martin Zachau, Geltendorf, DE;
Inventors:
Tim Fiedler, Munich, DE;
Gunter Huber, Schrobenhausen, DE;
Ulrich Muller, Munich, DE;
Martin Zachau, Geltendorf, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/81 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a phosphor composition for lamps with a lattice of monoclinic crystal structure (monazite) of type (1−g)[((1−c−a)*Ln, c*Ce, a*A)PO]×g*GeO, in which Ln is at least one element selected from the group consisting of lanthanum La, gadolinium Gd and/or Yttrium Y and A is at least one activator selected from the group consisting of terbium Tb, praseodymium Pr and/or europium Eu, and 0≦a≦1.0; 0≦c≦1.0, and 0<g≦0.2.