Pixel driving circuit, display device including the same, and method for driving the display device

A pixel driving circuit comprising:

• a first transistor including a gate electrode connected to a first node, a first electrode electrically connected to a first voltage line for applying a first driving voltage, and a second electrode connected to a second node;
• a second transistor including a gate electrode connected to a first scan line for applying a first scan signal, a first electrode connected to a data line, and a second electrode connected to the first node;
• a first capacitor connected between the first node and the second node;
• a sixth transistor including a gate electrode connected to a second emission line for applying a second emission control signal, a first electrode connected to the second node, and a second electrode connected to a third node;
• and
• a fourth transistor including a gate electrode connected to a second scan line for applying a second scan signal different from the first scan signal, a first electrode connected to the third node, and a second electrode connected to a second voltage line for applying an initialization voltage;
• a fifth transistor including a gate electrode connected to a first emission line for applying a first emission control signal, a first electrode connected to the first voltage line, and a second electrode connected to the first electrode of the first transistor;
• and
• a third transistor including a gate electrode connected to a third scan line for applying a third scan signal different from the first scan signal and the second scan signal, a first electrode connected to a third voltage line for applying a reference voltage, and a second electrode connected to the first node,
• wherein a non-active period of the second emission control signal overlaps an active period of the second scan signal during the scan period in which a data voltage is held, and
• wherein the fifth transistor is in an active state during the scan period.

A method for driving a display device, which includes a display panel, which includes a driving controller, a light emitting diode and a pixel driving circuit including a driving transistor, a switching transistor to receive a data voltage, an initialization transistor connected to an initialization voltage line, a first light emitting transistor, and a second light emitting transistor, the method comprising:

• driving, by the driving controller, the display panel in units of a frame including a driving period and a scan period;
• maintaining the first light emitting transistor in a turned on state during the scan period;
• providing a first period, in which the second light emitting transistor is turned off, during the scan period;
• providing a second period, in which the initialization transistor is turned on, during a period in which the second light emitting transistor is turned off, and
• wherein the first period overlaps an entirety of the second period.