Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device
Reexamination Certificate
2006-03-09
2009-08-11
Williams, Joseph L (Department: 2889)
Electric lamp and discharge devices
With gas or vapor
Three or more electrode discharge device
C313S585000
Reexamination Certificate
active
07573197
ABSTRACT:
A plasma display panel according to an aspect of the present invention includes a scan electrode and a sustain electrode formed on an upper substrate in parallel with each other, a first barrier rib formed on a lower substrate opposing the upper substrate in parallel with the scan electrode, and a second barrier rib formed in the direction intersecting the first barrier rib, wherein the scan electrode or the sustain electrode comprises at least two or more bus electrodes, at least one of the bus electrodes is formed to be superposed onto the first barrier rib. Therefore, there is an advantage that the brightness is increased, since the area of portions of the bus electrode formed on the discharge space is small and thus the aperture ratio is raised. In addition, the boundary image sticking phenomenon and luminescent spot phenomenon in the non-discharge cell by cross-talk with neighboring cells can be reduced, since the area of portions of the electrode superposed onto the first barrier rib is also decreased. Therefore there are effects that it is possible to improve the discharge efficiency and display images with sharper and clearer image quality.
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Fish & Richardson P.C.
LG Electronics Inc.
Williams Joseph L
LandOfFree
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