An organic light-emitting diode display and a method of manufacturing the same are disclosed. In one aspect, the OLED display includes a substrate including a display area configured to display an image, a peripheral area surrounding the display area, and an edge portion disposed at the peripheral area and having a curved shape or an angular shape. The display also includes a plurality of pixels disposed at the display area and including a plurality of transistors and a plurality of insulating layers disposed over the transistors. The display further includes a thin film encapsulation layer covering the pixels in the display area and at least a portion of the peripheral area, and a stress distribution portion disposed at the edge portion and including at least one of the insulating layers.