Active matrix type display apparatus and method for driving the same

An active matrix type display apparatus comprising:

• a plurality of signal lines;
• a plurality of scanning lines intersecting with the signal lines;
• switching elements arranged at intersections of the signal lines and the scanning lines, the switching elements being selectively put into a conductive state for a predetermined period of time per vertical period in accordance with a scanning signal on the scanning lines;
• pixel capacitors arranged at the intersections and driven by a video signal on the signal lines through the switching elements in the conducting state, an image being displayed depending on a charge state of the pixel capacitors;
• auxiliary capacitors associated with respective pixel capacitors, one side of each of the auxiliary capacitors being connected to at least one of the switching elements;
• a plurality of auxiliary capacitor lines, the other side of each of the auxiliary capacitors being connected to at least one of the auxiliary capacitor lines;
• and
• a driver for driving the auxiliary capacitor lines such that a signal of the same polarity as a video signal having a predetermined amplitude is applied at least once per vertical period, after applying a display signal corresponding to the video signal while the switching elements are in the non-conducting state in accordance with the scanning signal on the scanning lines.

A method for driving an active matrix type display apparatus comprising a plurality of signal lines;

• a plurality of scanning lines intersecting with the signal lines;
• switching elements arranged at intersections of the signal lines and the scanning lines, the switching elements being selectively put into a conductive state for a predetermined period of time per vertical period in accordance with a scanning signal on the scanning lines;
• pixel capacitors arranged at the intersections and driven by a video signal on the signal lines through the switching elements in the conducting state, an image being displayed depending on a charge state of the pixel capacitors;
• auxiliary capacitors associated with respective pixel capacitors, one side of each of the auxiliary capacitors being connected to at least one of the switching elements;
• and a plurality of auxiliary capacitor lines, the other side of each of the auxiliary capacitors being connected to at least one of the auxiliary capacitor lines, the method comprising:
• driving the auxiliary capacitor lines for a predetermined period of the period after reaching a display luminance corresponding to the video signal in which the switching elements are in the non-conducting state in accordance with the scanning signal on the scanning lines, such that a charge state of the pixel capacitors connected to the switching elements changes to a display luminance reduction side.

A method for driving an active matrix type display apparatus comprising a plurality of signal lines;

• a plurality of scanning lines intersecting with the signal lines;
• switching elements arranged at intersections of the signal lines and the scanning lines, the switching elements being selectively put into a conductive state for a predetermined period of time per vertical period in accordance with a scanning signal on the scanning lines;
• pixel capacitors arranged at the intersections and driven by a video signal on the signal lines through the switching elements in the conducting state, an image being displayed depending on a charge state of the pixel capacitors;
• auxiliary capacitors associated with respective pixel capacitors, one side of each of the auxiliary capacitors being connected to at least one of the switching elements;
• and a plurality of auxiliary capacitor lines, the other side of each of the auxiliary capacitors being connected to at least one of the auxiliary capacitor lines, the method comprising:
• driving the auxiliary capacitor lines for a period of time after applying a display signal corresponding to the video signal in which the switching elements are in the non-conducting state in accordance with the scanning signal on the scanning lines, such that a signal of the same polarity as the video signal having a predetermined amplitude is applied at least once per vertical period.