| 申请日期 | 2025-06-24 | 申请号 | US16224216 |
| 公开（公告）号 | US20190194540A1 | 公开（公告）日 | 2019-06-27 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | NICHIA CORPORATION | ||
| 简介 | Provided are an oxynitride fluorescent material, a light emitting device, and a method for producing an oxynitride fluorescent material. The oxynitride fluorescent material containing a composition represented by the following formula (I); (Ba1−aEua)1−bMbSi2O2+cN2+d (I), wherein in the formula (I), M represents at least one element selected from the group consisting of rare earth elements excluding Eu and Sm; and a, b, c, and d each satisfy 0 | ||
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