An organic light emitting display adapted to be connectable to an external circuit board, the organic light emitting display includes a substrate, a plurality of organic light emitting diodes (OLEDs) on the substrate, and a plurality of input pads coupled with the plurality of OLEDs through wiring lines, the plurality of input pads being connectable to the external circuit board, wherein at least one of the plurality of input pads includes a lead unit extending from a respective one of the wiring lines, and a contact unit contacting the circuit board, and a resistor coupled between the lead unit and the contact unit of the at least one input pad including the lead unit and the contact unit.