申请日期 | 2025-07-18 | 申请号 | EP99937080 |
公开(公告)号 | EP1111026B1 | 公开(公告)日 | 2010-03-10 |
公开国别 | EP | 申请人省市代码 | 全国 |
申请人 | Nichia Corporation | ||
简介 | A red light emitting afterglow photoluminescence phosphor is a rare earth oxysulfide phosphor activated by Europium, which chemical formula is follows : wherein Ln is at least one selected from the group consisting of Y, La, Gd and Lu; M is a coactivator which is at least one selected from the group consisting of Mg, Ti, Nb, Ta and Ga in the chemical formula. |
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