NON-RARE EARTH METAL-BASED RED-EMITTING PHOSPHOR COMPRISING MANGANESE ACTIVE AGENT AND THE LIGHT EMI

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The present invention relates to a non-rare earth metal based red phosphor comprising a manganese activator, and the non-rare earth metal based red phosphor has basic chemical formula of (4_(-α -β -γ ))MgO· α MgF_2· β A_MF_2· (2/3)γ A_NF_3· (1-δ )GeO_2 : δ Mn^(4+). In chemical formula, A_M is an element selected from the group consisting of Ca, Sr and Ba, or a mixture thereof, A_N is an element selected from the group consisting of Sc, Y and La, or a mixture thereof, α is 0 COPYRIGHT KIPO 2018