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. 27, 2013
Filed:
Oct. 06, 2008
Applicants:
Takuma Sakai, Yamaguchi, JP;
Shin-ichi Sakata, Yamaguchi, JP;
Inventors:
Takuma Sakai, Yamaguchi, JP;
Shin-ichi Sakata, Yamaguchi, JP;
Assignee:
Ube Industries, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01);
U.S. Cl.
CPC ...
Abstract
A β-sialon phosphor particle in which Eu (europium) is solid-soluted in a crystal having a β-type SiNcrystal structure, wherein the median diameter (D) in the particle size distribution curve of the primary particle is from 3.0 to 10 μm and the aspect ratio is less than 1.5.