Provided is an organic light emitting display device. The organic light emitting device includes: an organic light emitting element layer in an active area; and an encapsulation layer covering the organic light emitting element layer. The encapsulation layer includes one or more inorganic films and one or more organic films. The one or more inorganic films and the one or more organic films cover an entire active area and a part of an inactive area surrounding the active area. The one or more inorganic films are disposed only to a portion having a predetermined inward distance from an outermost periphery of the inactive area.