发明名称 |
RARE-EARTH ALUMINUM GARNET TYPE FLUORESCENT SUBSTANCE AND LIGHT-EMITTING DEVICE OBTAINED USING SAME |
摘要 |
The present invention provides a new phosphor with a controllable emission wavelength without using a number of rare and expensive raw materials in forming the composition. The phosphor includes a compound including a fluorescent ion and having a garnet structure including a rare earth element, aluminum, and oxygen. The compound has such a composition that a combination of the rare earth element and the aluminum of the compound is partially replaced with a combination of alkaline earth metal and zirconium (Zr) or alkaline earth metal and hafnium (Hf). |
申请公布号 |
EP2730637(A1) |
申请公布日期 |
2014.05.14 |
申请号 |
EP20120807859 |
申请日期 |
2012.03.12 |
申请人 |
PANASONIC CORPORATION |
发明人 |
OSHIO, SHOZO;OKUYAMA, KOJIRO |
分类号 |
C09K11/80;C09K11/77;H01L33/50 |
主分类号 |
C09K11/80 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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