| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a red luminous phosphor which has red luminous characteristics of long persistence and is chemically stable and excellent weather resistance, and a method for producing the same. <P>SOLUTION: The red luminous phosphor is based on an oxide represented by composition formula AaBbOc [A is at least one element selected from Ca, Sr, Ba and Mg, B is at least one element selected from Ti, Zr, Sn, Mn, Mo and Ru, and a, b, c are following numerical ranges respectively: 0.8≤a≤5, 1.0≤b≤4, 2.5≤c≤(a+2b)], and contains Pr and further at least one element selected from La, Eu, Dy, Sm. <P>COPYRIGHT: (C)2013,JPO&INPIT |
