An organic light emitting diode display and a method of fabricating the same are disclosed. In one embodiment, the method includes providing a base substrate including a first device region and a first encapsulation region, wherein the first encapsulation region is located on both sides of the first device region and forming an organic light emitting diode (OLED) on the first device region. The method further includes providing an encapsulation substrate including a second device region and a second encapsulation region corresponding to the first device region and first encapsulation region, respectively, forming a light transmission layer on the second device region and forming an inner filler on the light transmission layer.