| 申请日期 | 2025-08-28 | 申请号 | JP2003320828 |
| 公开（公告）号 | JP2005089496A | 公开（公告）日 | 2005-04-07 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | NORITAKE CO LTD | ||
| 简介 | PROBLEM TO BE SOLVED : To provide a phosphor composition (a fluorescent material) with suppressed lowering of luminescence intensity (luminance) by remaining of impurities and to provide a method for producing the same.
SOLUTION : The phosphor composition comprises Ln, R, M and O as principal constituent elements. In the composition, the atomic ratio x=(Ln+R)/M related to the Ln, R and M is 0.850 | ||
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