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Rare earth-free white illumination device 发明授权

2023-07-02 2810 299K 0

专利信息

申请日期 2025-07-10 申请号 JP2015130408
公开(公告)号 JP6529029B2 公开(公告)日 2019-06-12
公开国别 JP 申请人省市代码 全国
申请人 国立研究開発法人産業技術総合研究所
简介 PROBLEM TO BE SOLVED : To provide a white lighting device not including rare earth capable of emitting white light having an average color rendering index Ra of 80 or more.SOLUTION : A light-emitting portion emitting light of 250 nm-410 nm, a Mn-based fluorescent body having both or one of Mnand Mnas an emission center or a transparent resin including the fluorescent body, and a fluorescent body of AVO(A is alkali metal essentially including Cs and optionally including Li, Na, K, Rb, and d=0.99-1.04) or a transparent resin including the fluorescent body, are successively arranged in this order.SELECTED DRAWING : Figure 2


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