Provided is an organic light-emitting diode (OLED) display, an electronic device including same, and a method of manufacturing the organic light-emitting diode display. The OLED display includes: a first plastic layer; a first barrier layer formed on the first plastic layer; a first intermediate layer formed on the first barrier layer; a second plastic layer formed on the intermediate layer; an OLED layer formed on the second plastic layer; and a thin-film encapsulation layer encapsulating the OLED layer.