PLASMA DISPLAY PANEL AND DEPOSITION APPARATUS USED IN THE MANUFACTURING THEREOF
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United States of America Patent
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Issued Date -
Jun 11, 2009
app pub date -
Apr 28, 2006
filing date -
Apr 28, 2006
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Abstract
A plasma display panel has a screen (50) composed of a plurality of cells and a dielectric layer (17) across the entirety of the screen, and each cell includes a discharge space (31) filled with a discharge gas, a pair of electrodes (X, Y) for causing discharge in the discharge space (31), and a dielectric that is part of the dielectric layer (17) and that is interposed between the discharge space (31) and the electrodes (X, Y). The dielectric layer (17) has such a distribution of thickness that the dielectric layer is thinnest at the central portion of the screen and is gradually growing from the central portion of the screen toward the peripheral portions of the screen. The distribution of thickness in the dielectric layer makes the variation in the discharge delay between cells prominent, thereby relaxing the concentration of the discharge current.
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