| 摘要 |
A plasma display panel has a front plate, and a rear plate arranged so as to be opposed to the front plate. The front plate has a display electrode, a dielectric layer to cover the display electrode, and a protective layer to cover the dielectric layer. The protective layer has a luminescence peak in a wavelength ranging from not less than 350 nm to not more than 550 nm under irradiation of light having a wavelength of 146 nm. In addition, the protective layer has a luminescence peak in a wavelength ranging from not less than 350 nm to not more than 550 nm under irradiation of light having a wavelength of 173 nm. A ratio A/B between a peak intensity of luminescence under the light having the wavelength of 146 nm and a peak intensity of luminescence under the light having the wavelength of 173 nm falls within a range from more than 3.0 to not more than 7.0.
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