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Fluorophor for inorganic EL

Patent Granted PROBLEM TO BE SOLVED: To provide a method for producing a high-quality Eu-doped BaAl<SB>2</SB>S<SB>4</SB>sulfide fluorophor with homogeneously dispersed Eu while suppressing toxic gas emissions in grinding/mixing sulfides including aluminum sulfide, barium sulfide and europium sulfide.

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