Patent ID: 7525251

Claim:
A barrier rib structure for a plasma display panel (PDP), comprising: a plurality of main barrier ribs partitioning display discharge cells, wherein main barrier ribs are located in a display region in which an image is configured to be displayed; a plurality of first dummy barrier ribs formed adjacent to the display discharge cells in a non-display region in which an image is not displayed, wherein the first dummy barrier ribs partition first non-display discharge cells having substantially the same structure as that of the display discharge cells; and a plurality of second dummy barrier ribs formed adjacent to the first non-display discharge cells in the non-display region but not adjacent to the display discharge cells, wherein the second dummy barrier ribs partition second non-display discharge cells having a different structure from that of the display discharge cells, wherein the second non-display discharge cells are formed in a plurality of rows, and wherein each row comprises a plurality of non-display discharge cells which are substantially the same shape.