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:
Mar. 19, 2013
Filed:
Oct. 19, 2009
Takatoshi Seto, Kanagawa, JP;
Naoto Kijima, Kanagawa, JP;
Takatoshi Seto, Kanagawa, JP;
Naoto Kijima, Kanagawa, JP;
Mitsubishi Chemical Corporation, Tokyo, JP;
Abstract
To provide a new phosphor of which fluorescence contains much red light component and has a large full width at half maximum, the crystal phase represented by the formula [I] is included in the phosphor.RMASiAlON  [I](R represents La, Gd, Lu, Y and/or Sc, M represents Ce, Eu, Mn, Yb, Pr and/or Tb, A represents Ba, Sr, Ca, Mg and/or Zn, and x, y, z, w1 and w2 are the numeric values in the following ranges:( 1/7)≦(32)/6<(½),0<(1.52)/6<(9/2),0<x<3,0≦y<2,0<z<1,0≦w1≦5,0≦w2≦5, and012≦5)