DISPLAY PANEL CONTROL PROCESS AND DISPLAY DEVICE USING SUCH PROCESS

摘要

A process for controlling a display panel having cells defined by the intersection of two networks of crossed electrodes. The cells have two states, one written and the other erased. A square-wave hold signal on either side of a middle potential is applied to all the cells to produce a hold discharge with regard to the cells in the written state, at the termination of the edges leading to an extreme porch. It also includes applying an addressing signal superimposed on the hold signal in succession to the electrodes of a network. The addressing signal includes a semi-erase-selective signal generating, with regard to the cells linked to the selected electrode, an erase discharge at the termination of an edge leading to an extreme porch of the hold signal. This disables the whole discharge generated by the hold signal alone. This method is applicable to the control of plasma display panels.