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:
Feb. 10, 2015

Filed:

Dec. 31, 2012
Applicant:

Intematix Corporation, Fremont, CA (US);

Inventors:

Yi-Qun Li, Danville, CA (US);

Dejie Tao, Fremont, CA (US);

Shengfeng Liu, Newark, CA (US);

Assignee:

Intematix Corporation, Fremont, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/59 (2006.01); C09K 11/64 (2006.01); C09K 11/77 (2006.01); C09K 11/08 (2006.01);
U.S. Cl.
CPC ...
C09K 11/7731 (2013.01); C09K 11/0883 (2013.01);
Abstract

Phosphors comprising a nitride-based composition represented by the chemical formula: M(M'M″)SiAlN:RE, wherein: M is a divalent or trivalent metal with valence v; M′ is at least one divalent metal; M″ is at least one trivalent metal; 2a+3b+4c=3d; and RE is at least one element selected from the group consisting of Eu, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb. Furthermore, the nitride-based composition may have the general crystalline structure of M′M″SiN, where Al substitutes for Si within the crystalline structure and M is located within the crystalline structure substantially at the interstitial sites.


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