An electro-optical device includes: a supporting unit that includes a first heat release member; a second heat release member that is provided at both of two sides with respect to the supporting unit, at least a part of the second heat release member being in contact with the first heat release member; an electro-optical panel that is provided at both of the two sides with respect to the supporting unit in such a manner that at least a part of a surface of the electro-optical panel opposite to a surface thereof from which light is emitted is in contact with a surface of the second heat release member; and a transparent film sheet that covers the surface of the electro-optical panel from which light is emitted.