A pixel includes an organic light emitting diode (OLED) having a cathode electrode coupled to a second power source, a first transistor having a first electrode coupled to a first power source, the first transistor being configured to control a magnitude of a current supplied from the first power source to the second power source via the OLED in accordance with a data signal, and a plurality of second transistors serially coupled between a gate electrode of the first transistor and a power source line, the second transistors being configured to be turned on when a second scan signal is supplied to a second scan line, wherein a common node between the second transistors is electrically coupled to the first electrode or a second electrode of the first transistor.