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RED PHOSPHOR

2025-06-20 23:504400下载
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PROBLEM TO BE SOLVED : To provide a red phosphor having basic properties of an MGF phosphor and high luminous efficiency when exited by a light with wavelength of 350 to 500 nm. SOLUTION : There is provided a red phosphor represented by the following formula. (x-a-b)MgO aM1O bM2O1.5 yMgF2 fM6X2 (1-g)GeO2 gM7O1.5 : zMn4+, where x, y, z, a, b, f and g satisfy 1.144≤x≤11.0; 0
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