An organic electroluminescent display device includes a display area including a plurality of pixels, a peripheral area as an area on the outside of the display area, a circuit layer including a circuit formed in the display area and a circuit formed in the peripheral area, a planarization film formed in the display area, the planarization film covering the circuit in the display area but not covering at least a portion of the circuit in the peripheral area, and an inorganic insulating layer formed of an inorganic material, the inorganic insulating layer being formed in the peripheral area and covering the at least a portion of the circuit in the peripheral area.