1. An organic light emitting display including a first region and a second region, the display comprising: a plurality of pixels arranged in a plurality of rows and columns throughout the first region and the second region of the display, wherein each of the pixels is composed of one blue sub pixel, one green sub pixel and one red sub pixel, wherein each of the pixels arranged within the first region is comprised of at least one sub pixel that includes a plurality of divisional sub pixels that emit light of a same color and are independently controlled, wherein the pixels arranged within the second region includes none of a sub pixel that includes a plurality of divisional sub pixels of a same color, and wherein each of the divisional sub pixels has a smaller size than each of the plurality of sub pixels.