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:
Sep. 20, 2011
Filed:
Mar. 13, 2009
Etsuo Shimizu, Kanagawa, JP;
Kumie Shimizu, Legal Representative, Tokyo, JP;
Naoto Kijima, Kanagawa, JP;
Yasuo Shimomura, Kanagawa, JP;
Etsuo Shimizu, Kanagawa, JP;
Kumie Shimizu, legal representative, Tokyo, JP;
Naoto Kijima, Kanagawa, JP;
Yasuo Shimomura, Kanagawa, JP;
Mitsubishi Chemical Corporation, Tokyo, JP;
Abstract
To provide a phosphor having nearly spherical shapes, the phosphor has an elemental ratio represented by the formula below, and contains at least two kinds of Li, Na, K, Rb, Cs, P, Cl, F, Br, I, Zn, Ga, Ge, In, Sn, Ag, Au, Pb, Cd, Bi and Ti.MMMO(Mrepresents Cr, Mn, Fe, Co, Ni, Cu, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm or Yb, Mmainly represents a bivalent metal element, Mmainly represents a trivalent metal element, and a, b, c and d are 0.0001≦a≦0.2, 0.8≦b≦1.2, 1.6≦c≦2.4 and 3.2≦d≦4.8, respectively.)