Abstract

We have applied a double protecting layer consisting of SrO and MgO to a plasma display panel. The top MgO layer protects the underlying SrO from contamination by H <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> O or CO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> when exposed to air and enables it to function as the main cathode material after the aging process, which partially removes the MgO layer. We have confirmed that the adoption of a double SrO-MgO layer results in a considerable reduction in driving voltage and improvement in luminous efficacy simultaneously.

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