Title:
蛍光体及びその製造方法、並びに、発光装置
Document Type and Number:
Japanese Patent JP5493258
Kind Code:
B2
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.
M 1 a M 2 b M 3 c O d
(M 1 represents Cr, Mn, Fe, Co, Ni, Cu, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm or Yb, M 2 mainly represents a bivalent metal element, M 3 mainly 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.)
Inventors:
Etsuo Shimizu
Naoto Kijima
Yasuo Shimomura
Naoto Kijima
Yasuo Shimomura
Application Number:
JP2007238749A
Publication Date:
May 14, 2014
Filing Date:
September 14, 2007
Export Citation:
Assignee:
Mitsubishi Chemical Corporation
International Classes:
C09K11/78; C09K11/08; H01L33/32; H01L33/48; H01L33/50; H01L33/56
Domestic Patent References:
| JP2006045526A |
Foreign References:
| WO2006093015A1 |
Attorney, Agent or Firm:
Yu Sanada