Influence of discharge gap and display-electrode width on optical and electrical characteristics of color AC-PDP

Influence of discharge gap and display-electrode width on the optical and electrical characteristics of surface-discharge color alternating current plasma display panel (AC-PDP) is experimentally studied and theoretically analyzed. The results show that the gas discharge between display electrodes in surface-discharge AC-PDP does not conform to Paschen law, viz. firing voltage is not a function of the product of gas pressure p and discharge gap g₁. In the U_f-pg₁ curve, the minimum firing voltage U_fmin rises, and (pg₁)_min shifts to a higher value with an increase in discharge gap g₁. In addition, as discharge gap increases, sustaining voltage margin increases, and luminance and luminous efficiency of PDP become higher. As display-electrode width increases, average discharge current increases, and luminance gets improved, but luminous efficiency keeps unchanged. According to these results, the design methods for discharge gap and display-electrode width are summarized.