Patent ID: 8860054

Claim:
An electrooptical device, comprising: a device substrate having a first face and a second face, the first face opposing the second face; at least one pixel electrode provided on at least a first portion of the device substrate; a light reflection portion formed with a groove on a second portion of the device substrate; a flat film provided to cover at least an opening face of the groove at a side of the first face, the groove having a groove face and the opening face, the groove face crossing the opening face; and a semiconductor element provided on the flat film, to correspond to the pixel electrode and to overlap with the light reflection portion in a plan view, wherein the semiconductor element opposes to the light reflection portion via the flat film, wherein the light reflection portion reflects incident light from the second face to a side of the first face, wherein the groove has a V shape, and wherein the pixel electrode overlaps the groove in plan view.