An organic light emitting diode display that includes a pixel unit including a plurality of scanning lines, a plurality of data lines, a plurality of first control lines, a plurality of second control lines, a first power source, a second power source and a third power source, a pixel unit including a plurality of pixels connected to the scanning lines, the data lines, the first control lines, the second control lines, the first power source, the second power source, and the third power source, a control line driving unit configured to provide each of said pixels with a first control signal and a second control signal through the first control lines and the second control lines respectively, a scan driving unit configured to provide each of said pixels with scanning signals through the scanning lines and a data driving unit configured to provide each of said pixels with data signals.