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:
Jun. 04, 1996
Filed:
Mar. 23, 1995
Applicant:
Inventors:
Kouichi Okada, Anan, JP;
Toshiaki Tateiwa, Anan, JP;
Tetsuya Sadamoto, Anan, JP;
Yoshihito Hario, Anan, JP;
Yuji Itsuki, Anan, JP;
Masato Fujiwara, Anan, JP;
Osamu Sakai, Anan, JP;
Kenji Fujino, Anan, JP;
Assignee:
Nichia Kagaku Kogyo K.K., Tokushima-ku, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
2523 / ; 2523 / ; 10628727 ; 10628729 ;
Abstract
A phosphor composition contains phosphor particles and a water-soluble rare earth compound uniformly covering the surfaces of the phosphor particles. The rare earth compound is present in an amount of from 0.001 to 5% by weight in terms of the corresponding rare earth oxide, based on the weight of the phosphor particles.