The power consumption of plasma display panels (PDP) is rising as their size and resolution increase. To stem this rise, PDPs should be made more energy efficient by improving their electrode protective layer and by lowering the discharge voltage. We have taken a theoretical approach to clarifying the factors that determine the discharge voltage of the currently used MgO electrode protective layer in order to create guidelines for reducing that voltage. To reduce the discharge voltage even further, we developed a new electrode protective layer material and devised a way of manufacturing it. These measures can make the discharge voltage 30% lower than in conventional panels, and thus hold the prospect of more energy efficient PDP panels. This paper explains the research on this topic.
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