There is disclosed an organic electro luminescence display device that is adaptive for preventing the deterioration of its light emitting efficiency and picture quality, and a fabricating method thereof.An organic electro luminescence display device that is adaptive for preventing the deterioration of its light emitting efficiency and picture quality, and a fabricating method thereof are provided. The organic electro luminescence display device as embodied includes an organic electro luminescence array having first and second electrodes formed on a substrate with an organic light emitting layer therebetween, and a barrier rib in parallel to any one of the first and second electrodes; a protective barrier rib formed to enclose the organic electro luminescence array; and at least one dummy barrier rib located inside a corner area of the protective barrier rib and formed to be bent along the protective barrier rib.