| 摘要 |
A plasma display panel includes a front plate and a rear plate provided to be opposed to the front plate. The front plate includes a display electrode, a dielectric layer for covering the display electrode, and a protective layer for covering the dielectric layer. The protective layer includes a base layer, and a metal oxide formed on the base layer. The metal oxide has a ratio from 0.1 to 10 inclusive between the maximum intensity of photoluminescence at a wavelength ranging from 200 nm to less than 300 nm and the maximum intensity of photoluminescence at a wavelength ranging from 300 nm to less than 500 nm. Furthermore, the metal oxide contains aluminum from 50 ppm to 200 ppm inclusive in terms of weight concentration, and fluorine from 150 ppm to 600 ppm inclusive in terms of weight concentration.
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