Plasma display panel

A plasma display panel (PDP) comprising:

• a front substrate and a rear substrate that face each other;
• a plurality of first barrier ribs disposed between the front substrate and the rear substrate and configured to define a plurality of unit cells;
• a plurality of units each comprising a scan electrode and a sustain electrode which are configured to generate a mutual discharge in the unit cells;
• a dielectric layer covering the plurality of units, wherein a groove is formed in a position at least corresponding to the scan electrodes;
• a plurality of second barrier ribs that divide each of the unit cells into a main discharge space and an auxiliary discharge space, wherein the second barrier rib in each unit cell is formed closer to the scan electrode than the sustain electrode;
• a plurality of address electrodes configured to perform an address discharge together with the scan electrodes, and extend in a direction substantially perpendicular to the direction of the scan electrodes;
• and
• a plurality of floating electrodes disposed between the scan electrodes and the address electrodes.

A plasma display panel (PDP) comprising:

• first and second substrates facing each other;
• a plurality of first barrier ribs located between the first and second substrates and configured to define a plurality of discharge cells;
• and
• a plurality of second barrier ribs dividing each of the discharge cells into a first sub-discharge cell and a second sub-discharge cell, wherein a phosphor layer is formed in the first sub-discharge cells and is not formed in the second sub-discharge cells.