| 简介 |
PROBLEM TO BE SOLVED : To provide a phosphor having an emission color finely adjusted without impairment to its good characteristics and to provide a white semiconductor emitter.
SOLUTION : The phosphor is characterized in that fine particles of a compound of erbium (Er) as a rare earth element are adhered to the phosphor. The adhesion of the erbium (Er) compound makes the fine adjustment of a fluorescent color without impairment to the fluorescence intensity, temperature characteristics, etc., of the phosphor. A white semiconductor emitter using the phosphor enables the fine adjustment of the chromaticity of emission color.
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