Pixel and organic light-emitting display apparatus including the same

An organic light-emitting display apparatus comprising:

• a scan driver configured to sequentially supply a first scan signal to a plurality of first scan lines, and to sequentially supply a second scan signal to a plurality of second scan lines;
• an emission controller configured to sequentially supply an emission control signal to a plurality of emission control lines;
• a data driver configured to respectively supply data signals to a plurality of data lines;
• and
• a display unit comprising a plurality of pixels connected to the plurality of first scan lines, the plurality of second scan lines, the plurality of emission control lines, and the plurality of data lines,
• wherein each of the plurality of pixels comprises:
• an organic light-emitting diode (OLED);
• a capacitor connected between a first node and a second node;
• a first transistor comprising a gate electrode connected to the second node, a first electrode connected to a first source voltage line, and a second electrode outputting a current corresponding to a voltage applied to the second node;
• a second transistor comprising a gate electrode connected to one of the plurality of first scan lines, a first electrode connected to one of the plurality of data lines, and a second electrode connected to the first node;
• a third transistor comprising a gate electrode connected to the first scan line, a first electrode connected to the second electrode of the first transistor, and a second electrode connected to the gate electrode of the first transistor;
• a fourth transistor comprising a gate electrode connected to one of the plurality of second scan lines, a first electrode connected to the second electrode of the first transistor, and a second electrode connected to an initialization voltage line;
• and
• a fifth transistor comprising a gate electrode, a second electrode, and a first electrode connected to the first node, the gate and second electrodes both being connected to one of the plurality of emission control lines, the gate and second electrodes and the emission control line being configured to receive the emission control signal.