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:
Apr. 22, 2014
Filed:
Dec. 27, 2010
Applicants:
Teng-ming Chen, Hsinchu, TW;
Yun-chen Wu, Taipei, TW;
Inventors:
Teng-Ming Chen, Hsinchu, TW;
Yun-Chen Wu, Taipei, TW;
Assignee:
National Chiao Tung University, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 11/08 (2006.01); C09K 11/61 (2006.01); C09K 11/54 (2006.01); C09K 11/56 (2006.01); H01J 1/62 (2006.01); H01J 63/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A novel yellow phosphor of a fluorosulfide having a chemical formula of (ACeB)CaSrFSand a tetragonal crystal phase is disclosed, wherein A and B are different rare earth metals other than Ce, the values of x, y, z are 0<x≦1, 0≦y≦1, and 0≦z≦1, respectively. A preparation method of the fluorosulfide and white-light emitting diode application thereof are also disclosed.