| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a luminous fluorescent substance in which at least one of a fluorescent color or a luminous color emits white light, and emission unevenness is little. <P>SOLUTION: The luminous fluorescent substance includes the following components: (A) a crystal which contains Eu at least as a luminescent center to a crystal base material which consists of a compound oxide containing Ca and Al; (B) a crystal which contains Eu at least as a luminescent center to a crystal base material which consists of a compound oxide containing Sr and Al; and (C) a crystal which is a compound oxide containing Ca, Al, and Eu and/or Nd, and has a different crystalline form from the crystal base material of the component (A). <P>COPYRIGHT: (C)2012,JPO&INPIT |
