Display device and method for driving the same

A display device comprising:

• a display panel including a pixel;
• and
• a panel driver configured to drive the display panel,
• wherein the pixel includes:
• a light emitting element;
• a first capacitor connected between a first node and a second node;
• a second capacitor connected between the second node and a third node;
• a first transistor connected between the second node and the light emitting element, and configured to operate depending on potential of the first node;
• a second transistor connected between the third node and a data line, and configured to operate depending on a first scan signal provided from the panel driver;
• a third transistor connected between the third node and the second transistor, and configured to operate depending on a first light emitting control signal provided from the panel driver;
• a fourth transistor connected between a reference voltage line, which is to receive a reference voltage, and the first node, and configured to operate depending on a second scan signal provided from the panel driver;
• and
• a fifth transistor connected between the reference voltage line and the third node, and configured to operate depending on a third scan signal provided from the panel driver,
• wherein the first scan signal, the second scan signal, and the third scan signal have an activation level for a first period, and
• wherein the first light emitting control signal has a deactivation level for the first period.

A display device comprising:

• a display panel including a pixel;
• and
• a panel driver configured to drive the display panel,
• wherein the pixel includes:
• a light emitting element;
• a first capacitor connected between a first node and a second node;
• a second capacitor connected between the second node and a third node;
• a first transistor connected between the second node and the light emitting element, and configured to operate depending on potential of the first node;
• a second transistor connected between the third node and a data line, and configured to operate depending on a first scan signal provided from the panel driver;
• and
• a fourth transistor connected between a reference voltage line, which is to receive a reference voltage, and the first node, and configured to operate depending on a second scan signal provided from the panel driver,
• wherein the display panel displays an image during a plurality of frames, and at least one frame of the plurality of frames includes a write period and a holding period, and
• wherein the reference voltage has a reference level during the write period, and is varied to be in a level higher than the reference level within the holding period.

A method for driving a display device including a display panel including a pixel connected to a reference voltage line which is to receive a reference voltage, and a panel driver which drives the display panel during a plurality of frames, at least one frame of which includes a write period and a holding period, the method comprising:

• applying, to the pixel, a scan signal having an activation level within a non-emission period of the write period;
• applying, to the pixel, a light emitting control signal having the activation level within an emission period of the write period;
• and
• deactivating the scan signal within the holding period, and applying the light emitting control signal to the pixel within the emission period of the holding period,
• wherein the reference voltage has a reference level during the write period, and is varied to be in a level higher than the reference level during the holding period.