Patent ID: 8441014

Claim:
An electro-optical device substrate comprising: a substrate body; a plurality of data lines and a plurality of scanning lines formed in the substrate body; and a plurality of pixels partitioned by the data lines and the scanning lines, wherein each of the plurality of pixels includes a pixel switching element, a pixel electrode, and a first storage capacitor, wherein the pixel switching element includes a gate electrode formed of a first conductive film formed on the substrate body, a gate insulation film formed of a first insulation film formed so as to cover at least the gate electrode, a semiconductor layer formed on the gate insulation film, a source electrode formed of a second conductive film electrically connected to a source region of the semiconductor layer and the data line, and a drain electrode formed of the second conductive film electrically connected to a drain region of the semiconductor layer and the pixel electrode, and wherein the first storage capacitor includes a first storage capacitor electrode formed of the second conductive film, a first storage insulation film formed of a second insulation film so as to cover at least the first storage capacitor electrode, and the pixel electrode formed so as to overlap with the first storage capacitor electrode at least partially with the first storage insulation film interposed therebetween when viewed from a normal direction of the substrate body.