An electro-optical device includes an electro-optical panel having a display surface; an accommodation member having a side wall that accommodates the electro-optical panel; and a wiring substrate with an end portion thereof connected to the electro-optical panel, wherein the other end portion side of the wiring substrate is bent to the opposite side of the display surface of the electro-optical panel, wherein the other end portion side of the wiring substrate is bent in the state of coming into close-contact with the side wall of the accommodation member and is fixed to the accommodation member or an accommodation object member that is accommodated in the accommodation member, and wherein the wiring substrate is in close-contact with the side wall of the accommodation member in the state in which a tension acts between the one end portion side and the other end portion side.