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:
Aug. 07, 2007
Filed:
Aug. 04, 2004
Dan Hancu, Clifton Park, NY (US);
Alok Mani Srivastava, Niskayuna, NY (US);
Gopi Chandran, Bangalore, IN;
Holly Ann Comanzo, Niskayuna, NY (US);
Shankar Venugopal, Bangalore, IN;
Anant Achyut Setlur, Niskayuna, NY (US);
Linda Briel, Niskayuna, NY (US);
Dan Hancu, Clifton Park, NY (US);
Alok Mani Srivastava, Niskayuna, NY (US);
Gopi Chandran, Bangalore, IN;
Holly Ann Comanzo, Niskayuna, NY (US);
Shankar Venugopal, Bangalore, IN;
Anant Achyut Setlur, Niskayuna, NY (US);
Linda Briel, Niskayuna, NY (US);
General Electric Company, Schenectady, NY (US);
Abstract
Phosphor compositions having the formula (YTbGdCe)(MM)(AlGaIn)O, where Mis Mg or Zn, Mis Si or Ge, 0<x+y<1, 0.01<z<0.1, 0.1<t<1.5, 0<r, s<0.5, 4.5<A<5.0, and −1<D<1. Also disclosed are light emitting devices including a light source and at least one phosphor having the above formula. Such phosphors exhibit a deeper red emission when compared to conventional TAG phosphors, allowing the production of white light sources having improved properties.