PLASMA DISPLAY PANEL AND FRONT PANEL THEREOF
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United States of America Patent
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Issued Date -
Jun 25, 2009
app pub date -
Jul 19, 2006
filing date -
Jul 19, 2006
priority date (Note) -
Abandoned
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Abstract
A plasma display panel includes a magnesium oxide film (18) that covers electrodes (X, Y) and is exposed to a discharge gas space (31). The magnesium oxide film (18) includes silicon and calcium as impurities, and the content of the impurities in the magnesium oxide film (18) is 800 to 2050 ppm by weight. By suppressing the total content of silicon and calcium in the film to 800 to 2050 ppm by weight, the discharge start voltage can be reduced by no less than 20 volts.
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