| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fluorescent material and a light-emitting device using the same. <P>SOLUTION: The fluorescent material is represented by the general formula ((LumA<SB POS="POST">1-m</SB>)<SB POS="POST">z</SB>Ce<SB POS="POST">1-z</SB>)<SB POS="POST">3</SB>Q<SB POS="POST">5</SB>O<SB POS="POST">12</SB>, wherein: 0<m<1; 0<z<1; A contains at least one of element Tb, element La and element Gd; Q contains at least one of element Al, element Ga and element In; 2.42≤(m*z+1-z)*3≤2.60; and 0.4≤(1-m)*z*3≤0.58. <P>COPYRIGHT: (C)2013,JPO&INPIT |
