Disclosed is an organic light emitting display device including a bezel for protecting an organic light emitting display panel. The organic light emitting display device has a display panel including a first substrate, on which a pixel array having at least one organic light emitting diode is formed, a second substrate for encapsulating a pixel region of the first substrate, and an encapsulating material formed between the first substrate and the second substrate. The device further includes a bezel for receiving the display panel. The bezel accommodates the display panel and includes a lower plate with a waved surface and a sidewall extending from edges of the lower surface.