Plasma display panel having a magnesium oxide protective...

Details Plasma display panel having a magnesium oxide protective... Plasma display panel having a magnesium oxide protective...

2004-04-21

2008-10-21

Williams, Joseph L (Department: 2889)

Electric lamp and discharge devices

With gas or vapor

Three or more electrode discharge device

C313S582000, C445S023000

Reexamination Certificate

active

07439675

ABSTRACT:
The present invention provides a plasma display panel that suppresses discharge sustain voltage, and reduces brightness degradation of a phosphor. In the plasma display panel, as protective film (14) made of magnesium oxide (MgO) formed on dielectric glass layer (13), protective film (14) made of magnesium oxide (MgO) with oxide added with an electronegativity of 1.4 or higher, is formed to suppress impure gas adsorption by protective film (14), stabilizes discharge sustain voltage, and reduces brightness degradation.

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Kim, Rakhwan, “Influence of densification of the protective layer on the discharge voltage in AC plasma display panel”, Vacuum, vol. 61, 2001, pp. 37-43.

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