Display device employing capacitive self-emitting element, and method for driving the same

A display device that employs capacitive self-emitting elements, comprising:

• a plurality of scan electrodes;
• a plurality of data electrodes that intersect the scan electrodes;
• a capacitive self-emission layer disposed between the scan electrodes and the data electrodes;
• a scan-side drive circuit that sequentially supplies a scan voltage to each of the scan electrodes;
• a data-side drive circuit that supplies data voltage to each of the data electrodes in accordance with display signal data;
• and
• a drive control circuit that controls the scan-side drive circuit and the data-side drive circuit in accordance with signals input from an outside portion,
• defining a plurality of pixels with the emission layer located at intersections between the scan electrodes and the data electrodes that are arranged in a matrix,
• wherein a single frame period is divided into a plurality of sub-fields of an equal interval, and a weight of emission luminance in each sub-field is set so that gradation is expressed by a combination of emission luminance values in the sub-fields;
• for each sub-field, the scan-side drive circuit generates the scan voltage having a waveform that corresponds to the weight in the sub-field, and supplies the generated scan voltage to the scan electrodes;
• and
• for each sub-field, the data-side drive circuit supplies an on voltage for putting selectively the data electrodes into an on state as the data voltage, in accordance with the display signal data,
• whereby an emission luminance that corresponds to the weight is obtained with a voltage applied to the emission layer of each pixel between the scan electrodes and the data electrodes, and the voltage applied to the emission layer of each pixel to which the on voltage has not been supplied is set to be a magnitude that does not exceed a threshold for emission.