Analysis on discharge modes in AC-PDP with sustain gap of 200 μm

The Vt close curve measurement shows that there exists the X-Y discharge contour in the large sustain gap of 200 μm (> a barrier rib height of 125 μm). This indicates that there are two different discharge modes: one mode is that the discharge is produced only between the sustain electrodes, and the other mode is that the discharge is initiated between the address and sustain electrodes, thus producing the main discharge between the sustain electrodes. The two discharge modes are confirmed and analyzed based on Vt close curve movement on cell voltage plane after the strong discharge. The two discharge modes show the different discharge characteristics such as a sustainable region, Vt close curve behavior, and luminance. Furthermore, it is observed that the discharge characteristics induced by applying the short address pulse are different according the discharge mode.