Abstract

AbstractElectrophoretically deposited low voltage phosphors of FED are irradiated by electron beam from the Spindt micro tip arrays. The conditions of phosphor surface are analyzed at various conditions. Ar gas treatment is used for stabilizing the surface of ZnS:Cu,Al and ZnGa2O4:Mn with improved conditions. It is found that the electron irradiation on the phosphor seriously causes carbon effect to the phosphor surface, resulting in dark color defects on the real 4 inch FED panel. However, the contaminated phosphor surface is effectively eliminated by the gas sputtering treatment on it, and proved experimentally.

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