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ZnS : Mn AC 박막형 Electroluminescence device의 제작 및 특성조사
ZnS:Mn thin film electroluminescence devices have been fabricated by vacuum evaporation. Phosphor materials were prepared by heat treatment of pure ZnS powder and 0.45wt% quantities of Mn in Argon atmosphere for one hour. Insulator materials were prepared by the same method. These materials were evaporated on the ITO transparent electrode. These films showed electroluminescence phenomenon for AC input power. The brightness was measured as the dependence of applied voltage, the thickness, and the properties of insulator.