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The phosphor, the light emitting device and manufacturing method thereof 发明授权

2023-01-06 3890 85K 0

专利信息

申请日期 2025-07-19 申请号 JP2013516827
公开(公告)号 JP5557360B1 公开(公告)日 2014-07-23
公开国别 JP 申请人省市代码 全国
申请人 Denki Kagaku Kogyo Co Ltd3296; National Institute for Materials Science301023238
简介 A blue phosphor having an emission peak wavelength different from that of conventional blue phosphors, a method for producing the same, and a high-intensity luminescent device using the phosphor are provided. The phosphor of the present invention is represented by a general formula Me a Re b Al c Si d O e N f (Me may contain one or more elements selected from Mg, Ca, Sc, Y, and La as second elements, provided that Sr or Ba is contained as an essential first element, and Re may contain one or more elements selected from Mn, Ce, Tb, Yb, and Sm as second elements, provided that Eu is contained as an essential first element), where the composition ratio represented by a, b, c, d, e, and f has the following relations : a+b=1, 0.005


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