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:
May. 21, 2013
Filed:
Nov. 10, 2011
Applicants:
Teng-ming Chen, Hsinchu, TW;
Chien-hao Huang, Yunlin County, TW;
Inventors:
Teng-Ming Chen, Hsinchu, TW;
Chien-Hao Huang, Yunlin County, TW;
Assignee:
National Chiao Tung University, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 11/66 (2006.01); C09K 11/54 (2006.01); C09K 11/70 (2006.01); C09K 11/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A yellow phosphor having oxyapatite structure, preparation method and white light-emitting diode thereof are disclosed. The yellow phosphor has a chemical formula of (AEu)B(PO)(SiO)(OS), wherein A and Eu are divalent metal ions, B is a trivalent metal ion, 0<x≦0.6, 0≦y≦6, and 0≦z≦1. A can be an alkaline earth metal, Mn or Zn. B can be a group 13 metal, a rare earth meal or Bi.