panel 302 is a transparent substrate formed of soda lime glass a plurality of discharge sustain electrode pairs are included on an inner side of the front panel 302 and the discharge sustain electrode pairs are covered by a front dielectric layer a protection film layer formed of an oxide such as mgo is deposited on a surface of the front dielectric layer a rear substrate is included in the rear panel 303 the rear substrate includes address electrodes extending in a direction crossing the discharge sustain electrode pairs the address electrodes are covered by a rear dielectric layer barrier ribs that define discharge spaces are formed between the front panel 302 and the rear panel 303 the barrier ribs are a matrix type a meander type a honeycomb type or a strip type fluorescent layers of red green and blue colors are coated on an inner surface of the barrier ribs a discharge gas such as ne u2014 xe or he u2014 xe is contained within the discharge cells defined by the front and rear panels 302 and 303 and the barrier ribs a chassis base assembly 304 is disposed on a rear side of the panel assembly 301 the chassis base assembly 304 is attached to the panel assembly 301 by an adhesion member the adhesion member includes a heat radiation sheet 305 attached to a central portion of the rear surface of the.