The present invention provides an organic EL device that can ensure safety by automatic light emission of afterglow illumination even when the power is shut off due to a power failure, turning-off, or the like. The organic EL device of the present invention includes: a substrate; an organic EL element part; and a charge storage part, wherein the organic EL element part is disposed on one surface of the substrate, the charge storage part is disposed on the organic EL element part, the organic EL element part includes a pair of electrodes and an organic EL layer, and the organic EL layer is sealed inside so as to be shielded from the outside air by any of the substrate, the pair of electrodes of the organic EL element part, and the charge storage part.