申请日期 | 2025-09-10 | 申请号 | WOJP17041094 |
公开(公告)号 | WO2018097003A1 | 公开(公告)日 | 2018-05-31 |
公开国别 | WO | 申请人省市代码 | 全国 |
申请人 | DYDEN CORPORATION | ||
简介 | Provided is a mercury-free fluorescent substance for vacuum ultraviolet excitation which emits deep ultraviolet light upon irradiation with vacuum ultraviolet light. The fluorescent substance for vacuum ultraviolet excitation is made up of one or more rare-earth elements comprising yttrium element and of praseodymium element, aluminum element, and oxygen element, the molar content x of praseodymium element satisfying 0 |
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