IMAGE DISPLAY DEVICE AND ELECTROCHEMICAL DISPLAY DEVICE

摘要

An image display device is provided with pixel electrodes at every pixel, a driving transistor arranged at each pixel and having the drain electrode connected with a first electrode and the source electrode connected with a second electrode through the pixel electrode, and a capacitance element arranged between the gate electrode and the source electrode of the driving transistor. The image display device carries out program processing for applying a first voltage between both terminals of the capacitance element to let the capacitance element store electric charges and writing processing for applying a second voltage between the first and second electrodes with the electric charges stored to let an electric current in accordance with the stored electric charge flow to the pixel electrodes, and controls the first and second electrodes to be equal in potential to each other for a period during which the program processing is carried out for any of the pixels.Thus, a voltage drop of a bus line or common line in the program processing is suppressed, and it becomes easy to keep the accuracy of a display good.