In order to lower development costs and to shorten development time, small panels, under 10-in on the diagonal, are used for the experiments to improve the luminous efficiency of plasma-display panels. However, it is difficult to show the same results as those of large panels, over 40 in. on the diagonal. In this paper, first, we show that the luminous efficiency and the voltage margin of mini-panels are not obtained with large panels by using an actual 46-in. PDP. The reason is that the resistance in the large panels is larger than that in the mini panels and the voltage drop in the large panels are larger than in mini-panels. Therefore, we conclude that the bus electrode width and the transparent electrode width are important factors in the design of large PDPs. Next, we show the technique of designing large panels by using a database obtained from mini-panels. The estimated cell-design results show good agreement with an actual 46-in. PDP in luminous efficiency and minimum sustain voltage. We show that a desired large PDP can be obtained by using the cell design proposed in the present paper.
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