Patent ID: 8248331

Claim:
A method of controlling an image display device, the image display device including: a luminescence element that has a first electrode and a second electrode; a first capacitor that has a first electrode and a second electrode, and holds a capacitor voltage; a driver that has a drain electrode, a gate electrode connected to the first electrode of the first capacitor, and a source electrode connected to the first electrode of the luminescence element, and causes the luminescence element to emit light by applying a drain current corresponding to the capacitor voltage held by the first capacitor to the luminescence element; a second capacitor that has a first electrode connected to the second electrode of the first capacitor and a second electrode; a first power source line for determining a potential of the drain electrode of the driver; a second power source line electrically connected to the second electrode of the luminescence element; a third power source line for supplying a first reference voltage to the first electrode of the first capacitor; a fourth power source line for supplying a second reference voltage to the second electrode of the second capacitor; a data line for supplying a signal voltage to the second electrode of the first capacitor; a first switch between the third power source line and the first electrode of the first capacitor for supplying the first reference voltage to the first electrode of the first capacitor; a second switch between the data line and the second electrode of the first capacitor for supplying the signal voltage to the second electrode of the first capacitor; and a third switch between the first electrode of the luminescence element and the second electrode of the first capacitor for connecting the first electrode of the luminescence element and the second electrode of the first capacitor, said method comprising: causing the first capacitor to hold the capacitor voltage corresponding to the signal voltage by switching ON the first switch and the second switch while the third switch is switched OFF; switching OFF the first switch and the second switch to turn ON the third switch after the capacitor voltage corresponding to the signal voltage is held by the first capacitor; and causing the second capacitor to hold a source potential of the driver while the third switch is switched ON.