WAVELENGTH CONVERSION MATERIAL, ITS MANUFACTURING METHOD, AND LIGHT EMITTING DEVICE USING IT
PROBLEM TO BE SOLVED: To provide a novel fluorophor exerting blue to red color emission by near-ultraviolet excitation. SOLUTION: This fluorophor which emits light by irradiation of a near-ultraviolet ray is represented by general formula (1); A2-xBxO1+xN2-x:RE wherein A is at least one kind of elem...
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