| 摘要 |
<p>Disclosed is a plasma display panel (PDP) that includes a protective layer formed to cover a dielectric layer of the PDP. The protective layer includes magnesium oxide (MgO) material and dopant elements. Sintered magnesium oxide, which has higher response speed than monocrystalline magnesium oxide, is used as the magnesium oxide material. The dopant includes a first dopant and a second dopant. The first dopant includes calcium (Ca), aluminum (Al), and silicon (Si), and the second dopant includes iron (Fe), zirconium (Zr), or a combination thereof. By the use of the dopant-doped sintered magnesium oxide for the protective layer, temperature-dependency of the protective layer is reduced, and high response speed is obtained. The improved characteristics of the protective layer improve the discharge stability of the plasma display panel.
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