Active matrix type display device

An active matrix type display device comprising:

• a plurality of pixels arrayed in a matrix form, each of the pixels comprising a pixel selection transistor, a light-emitting device and a driver transistor that drives the light-emitting device according to a display signal supplied through the pixel selection transistor;
• a vertical driver circuit receiving in one frame period a first vertical start pulse signal and a second vertical start pulse signal which is different from the first vertical start pulse signal and comes after the first vertical start pulse signal in the one frame period;
• a counter circuit that counts the vertical start pulse signals;
• and
• a control circuit turning the driver transistor off when the counter circuit counts the second vertical start pulse signal.

An active matrix type display device comprising:

• a plurality of pixels arrayed in a matrix form, each of the pixels comprising a pixel selection transistor, a light-emitting device, a driver transistor that drives the light-emitting device according to a display signal supplied through the pixel selection transistor and a storage capacitor that is connected between a gate of the driver transistor and a capacitor line and retains the display signal;
• a vertical driver circuit receiving in one frame period a first vertical start pulse signal and a second vertical start pulse signal which is different from the first vertical start pulse signal and comes after the first vertical start pulse signal in the one frame period;
• and
• a control circuit that changes an electric potential at the gate with respect to an electric potential at a source of the driver transistor so as to turn the driver transistor off by outputting a storage capacitor control pulse signal to the capacitor line in response to the second vertical start pulse signal.