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http://dx.doi.org/10.5757/JKVS.2007.16.3.181

The Analysis of the Discharging Characteristics and MgO protective layer by MgO Evaporation Rates for High-Efficiency PDP  

Kim, Yong-Jae (Department of Electronics Engineering, Kyungwon University)
Kwon, Sang-Jik (Department of Electronics Engineering, Kyungwon University)
Publication Information
Journal of the Korean Vacuum Society / v.16, no.3, 2007 , pp. 181-186 More about this Journal
Abstract
We have investigated and analyzed the effects of the evaporation rate of MgO films on the MgO properties and the discharge characteristics of a plasma display panel(PDP). The MgO properties such as the crystal orientation, the surface roughness, the film structure, and cathode-luminescence (CL) spectra were inspected using XRD (X-ray diffraction), AFM(atomic force microscopy). And the discharging characteristics of the PDP such as the firing voltage, discharging current, and luminescence were measured using a vacuum chamber with oscilloscope (TDS 540C), current probe (TCP-312A), color meter (CS-100A) and etc. From the experiments results we confirmed the optimum evaporation rate at $5{\AA}/sec$, the MgO properties were shown to be strongly dependent on the evaporation rate, and the MgO properties had an effecton the optical and electrical characteristics. In other words, if the evaporation rates increase than $5{\AA}/sec$, the intensity of (200) orientation and cathode-luminescence (CL) spectra reduce, and the firing vlotage was increased. So the luminuous efficiency grows worse.
Keywords
MgO; E-beam evaporation; Cathode-luminescence;
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