| 申请日期 | 2025-06-25 | 申请号 | JP2010209221 |
| 公开（公告）号 | JP2012062432A | 公开（公告）日 | 2012-03-29 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | TOYODA GOSEI KK | ||
| 简介 | PROBLEM TO BE SOLVED : To provide : a phosphor of a yellow to orange color, which can obtain a white light with warm feeling when combined with a blue LED; its production method; and a light-emitting device equipped with the phosphor.SOLUTION : The phosphor is represented by R4Si2O7N2 : Eu2+, wherein R is one or more rare earth elements. By combining the phosphor with a blue LED or the like, a white light-emitting device or the like can be obtained.COPYRIGHT : (C)2012, JPO&INPIT | ||
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