Influence of wall charge on image sticking phenomena in AC plasma display panels

This paper investigates the image sticking phenomenon in an AC plasma display panel (PDP), which appears when the PDP is subjected to a strong sustain discharge for an extended time and leaves a residual image on the display. This problem is very difficult to resolve using a conventional reset. Image sticking was investigated by observing the light emission from the reset, indicating that the wall charges accumulated on the sustain electrodes were the major cause. A few face (plate-gap) discharges equated the wall voltages on the sustain electrodes and set all cells of the PDP at the same external voltage for firing a surface discharge. The image sticking phenomenon disappeared after the face discharges.