An organic light emitting diode OLED display comprising: an organic light emitting display panel configured to display an image, and a lower passivation film attached to a bottom of the organic light emitting diode display panel, wherein the lower passivation film includes: a support film that is in contact with the organic light emitting diode display panel, and a stress adjustment layer formed beneath the support film and configured to reduce a bending stress to be induced in the organic light emitting display panel when the organic light emitting display panel and the lower passivation film are bent, wherein the stress adjustment layer comprises a plurality of unit stress adjustment patterns disposed adjacent to each other having any one selected from a triangular shape, a trapezoidal shape, and a semicircular shape, wherein lower ends of adjacent stress adjustment patterns are spaced apart from each other, characterized in that the organic light emitting diode display panel includes a flat portion and bent portions positioned at ends of the flat portion, wherein the stress adjustment patterns include first stress adjustment patterns positioned corresponding to the flat portion and second stress adjustment patterns positioned corresponding to the bent potions, and an interval between the second stress adjustment patterns is smaller than an interval between the first stress adjustment patterns. an organic light emitting display panel configured to display an image, and a lower passivation film attached to a bottom of the organic light emitting diode display panel, wherein the lower passivation film includes: a support film that is in contact with the organic light emitting diode display panel, and a stress adjustment layer formed beneath the support film and configured to reduce a bending stress to be induced in the organic light emitting display panel when the organic light emitting display panel and the lower passivation film are bent, wherein the stress adjustment layer comprises a plurality of unit stress adjustment patterns disposed adjacent to each other having any one selected from a triangular shape, a trapezoidal shape, and a semicircular shape, wherein lower ends of adjacent stress adjustment patterns are spaced apart from each other, a support film that is in contact with the organic light emitting diode display panel, and a stress adjustment layer formed beneath the support film and configured to reduce a bending stress to be induced in the organic light emitting display panel when the organic light emitting display panel and the lower passivation film are bent, wherein the stress adjustment layer comprises a plurality of unit stress adjustment patterns disposed adjacent to each other having any one selected from a triangular shape, a trapezoidal shape, and a semicircular shape, wherein lower ends of adjacent stress adjustment patterns are spaced apart from each other, characterized in that the organic light emitting diode display panel includes a flat portion and bent portions positioned at ends of the flat portion, wherein the stress adjustment patterns include first stress adjustment patterns positioned corresponding to the flat portion and second stress adjustment patterns positioned corresponding to the bent potions, and an interval between the second stress adjustment patterns is smaller than an interval between the first stress adjustment patterns.