Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device
Reexamination Certificate
2008-02-19
2011-10-18
Patel, Vip (Department: 2889)
Electric lamp and discharge devices
With gas or vapor
Three or more electrode discharge device
C313S582000
Reexamination Certificate
active
08040064
ABSTRACT:
It is an object of the present invention to provide a plasma display panel with an improved panel structure for improving a discharge time-lag and, more particularly, to provide a plasma display panel with a new protective film structure, the plasma display panel having uniformed panel properties suitable for mass production with a high yield.A PDP of the present invention which provides a pair of substrate assemblies opposed to each other sandwiching discharge spaces formed to seal a discharge gas therein, wherein one of the pair of substrate assemblies comprises: display electrodes arranged on a substrate; a dielectric layer for covering the display electrodes; and a protective layer for covering the dielectric layer, the protective layer is configured so that a plurality of MgO single crystals are adhered to an MgO film in such a manner that crystal orientations of the plurality of MgO single crystals are aligned in one direction, and a value which is three times of a standard deviation of coverage factors of the MgO single crystals on the MgO film, divided by a mean value of the coverage factors is 20% or less.
REFERENCES:
patent: 2006/0284559 (2006-12-01), Naoi et al.
patent: 2007/0126361 (2007-06-01), Lee
patent: 2006-147417 (2006-06-01), None
patent: 2007-128894 (2007-05-01), None
patent: 2007-149384 (2007-06-01), None
Kaneko Yoshiyuki
Kawasaki Takashi
Ohtomi Atsuo
Tachihara Hiroyuki
Ueno Takahiro
Hitachi , Ltd.
Miles & Stockbridge P.C.
Patel Vip
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