Provided is a method of manufacturing a display device having a step of forming a resin material layer by curing a resin coated on the main surface of a glass substrate; a step of forming a display circuit configured by a plurality of lamination material layers on the main surface side of said resin material layer; and a step of generating exfoliation at the interface between said resin material layer and said glass substrate, by irradiating a ultraviolet ray from the surface on the opposite side to the surface provided with said display circuit of said glass substrate, and said resin material layer, from which said glass substrate is removed, is used as a substrate provided with said display circuit.