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:
Oct. 09, 2012
Filed:
May. 08, 2009
Applicants:
Jun-ichi Itoh, Ageo, JP;
Asuka Sasakura, Ageo, JP;
Taizou Morinaka, Hida, JP;
Inventors:
Assignee:
Mitsui Mining & Smelting Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 11/08 (2006.01); H01J 1/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
A green emitting phosphor exhibiting an excellent absorption ratio is provided. A green emitting phosphor containing a crystal represented by MGaS:Eu, wherein M is an element comprising one species or a combination of two or more species among Sr, Ba and Ca, and Euis a luminescent center, and wherein the particle diameter at 10%, D10, 4.5 μm to 30 μm in the volume-based particle size distribution measured and obtained by the laser diffraction/diffusion particle size distribution measurement method.