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.

Date of Patent:
Jul. 18, 2006

Filed:

May. 03, 2004
Applicants:

Gopi Chandran Ramachandran, Bangalore, IN;

Mukunda Srinivas Adyam, Bangalore, IN;

Shankar Madras Venugopal, Bangalore, IN;

Anant Achyut Setlur, Niskayuna, NY (US);

Alok Mani Srivastava, Niskayuna, NY (US);

Holly Ann Comanzo, Niskayuna, NY (US);

Venkatesan Manivannan, Rexford, NY (US);

William Winder Beers, Chesterland, OH (US);

Inventors:

Gopi Chandran Ramachandran, Bangalore, IN;

Mukunda Srinivas Adyam, Bangalore, IN;

Shankar Madras Venugopal, Bangalore, IN;

Anant Achyut Setlur, Niskayuna, NY (US);

Alok Mani Srivastava, Niskayuna, NY (US);

Holly Ann Comanzo, Niskayuna, NY (US);

Venkatesan Manivannan, Rexford, NY (US);

William Winder Beers, Chesterland, OH (US);

Assignee:

General Electric Company, Niskayuna, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/55 (2006.01); C09K 11/62 (2006.01); C09K 11/64 (2006.01); H01J 29/20 (2006.01); H01J 63/04 (2006.01); H01J 1/63 (2006.01); H01J 6/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A phosphor comprises europium, at least two alkaline-earth metals, and at least a Group-13 metal. In one embodiment, the phosphor has a formula selected from the group consisting of SrAEuDOand SrAEuDO; wherein A is at least an alkaline-earth metal other than strontium; D is an element selected from the group consisting of Group-13 metals, group-3 metals, and rare-earth metals; 0<a<4; 0.001<z<0.3; and 4-a-z>0. The phosphor can be used in light sources and displays.


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