Patent ID: 7667402

Claim:
A plasma display panel, comprising: a front substrate; a rear substrate positioned in parallel to the front substrate; a plurality of address electrodes between the front and rear substrates; a plurality of display electrodes positioned perpendicularly to the plurality of address electrodes; and a plurality of barrier ribs between the front and rear substrates defining sidewalls of a plurality of discharge cells, at least one longitudinal sidewall in each discharge cell including first and second portions, the first portion of the longitudinal sidewall defining an obtuse angle with respect to the rear substrate, and the second portion of the longitudinal sidewall defining a non-obtuse angle with respect to the rear substrate, wherein each discharge cell has a first center width and a first edge width, the first center width being smaller than the first edge width, the first center width crossing a center of the discharge cell along a first direction in a bottom portion of the discharge cell, and the first edge width extending along the first direction in the bottom portion of the discharge cell and being spaced apart from the first center width, and wherein each discharge cell has a second center width and a second edge width, the second center width being greater than the second edge width, the second center width crossing a center of the discharge cell along the first direction in a top portion of the discharge cell, and the second edge width extending along the first direction in the top portion of the discharge cell and being spaced apart from the second center width.