Pixel circuit of an organic light emitting display device and organic light emitting display device including the same

A pixel circuit of an organic light emitting device, comprising:

• a storage capacitor comprising a first electrode coupled to a first node and a second electrode coupled to a power supply;
• a first transistor having a first terminal coupled to the first node, a second terminal coupled to an initialization voltage power supply, and a gate terminal coupled to a first scan line;
• a second transistor having a first terminal coupled to a data line, a second terminal coupled to a second node, and a gate terminal coupled to a second scan line;
• a third transistor having a first terminal coupled to the data line, a second terminal coupled to the second node, and a gate terminal coupled to a third scan line;
• a driving transistor having a first terminal coupled to the second node, a second terminal coupled to a third node, and a gate terminal coupled to the first node;
• a fourth transistor having a first terminal coupled to the third node, a second terminal coupled to the first node, and a gate terminal coupled to the second scan line;
• a fifth transistor having a first terminal coupled to the third node, a second terminal coupled to the first node, and a gate terminal coupled to the third scan line;
• and
• an organic light emitting diode configured to emit light in response to a driving current received from the driving transistor.

An organic light emitting device comprising a plurality of pixel circuits, each of the plurality of pixel circuits comprising:

• a storage capacitor;
• a first switching unit configured to initialize the storage capacitor in response to a first scan signal received from a first scan line;
• a second switching unit configured to receive a second scan signal from a second scan line disposed in a first direction from the first scan line, to receive a third scan signal from a third scan line disposed in a second direction opposite to the first direction from the first scan line, and to be turned on in response to one of the second scan signal and the third scan signal that is activated after the first scan signal is activated to store a data signal in the storage capacitor;
• a driving transistor configured to provide a driving current according to the data signal stored in the storage capacitor;
• and
• an organic light emitting diode configured to emit light according to the driving current.