Pixel and organic light emitting display using the same

An organic light emitting display comprising:

• a scan driver for driving scan lines, light emitting control lines, and first control lines;
• a data driver for driving data lines;
• and
• pixels at crossing regions of the scan lines and the data lines,
• wherein each of the pixels of an ith horizontal line, i being a natural number, comprises:
• an organic light emitting diode having an anode electrode and a cathode electrode;
• a second transistor for controlling an amount of current supplied from a first power supply to a second power supply via the organic light emitting diode;
• a first transistor coupled between a gate electrode of the second transistor and a data line and configured to turn on when a scan signal is supplied to an ith scan line of the scan lines;
• a first capacitor coupled between the gate electrode of the second transistor and the first power supply;
• a second capacitor coupled between the gate electrode of the second transistor and the anode electrode;
• a fourth transistor coupled between the second capacitor and the anode electrode and configured to turn on when a control signal is supplied to an ith first control line of the first control lines;
• and
• a third transistor coupled between the second transistor and the anode electrode and configured to turn off when a light emitting control signal is supplied to an ith light emitting control line of the light emitting control lines.