Provided are an organic light-emitting display (OLED) and a method of manufacturing the same. According to an aspect of the present invention, there is provided an OLED comprising a substrate which comprises a display area and a non-display area adjacent to the display area, an organic light-emitting device which is located on the display area of the substrate and comprises a first electrode, an organic light-emitting layer and a second electrode stacked sequentially, a power supply plate which is located on the non-display area of the substrate, and an extension electrode which is located on the non-display area of the substrate and extends from the second electrode to be connected to the power supply plate, wherein at least one recess pattern is formed on the power supply plate, and the extension electrode covers the recess pattern.