Patent ID: 7808690

Claim:
An electro optical device comprising: a substrate; a plurality of scanning lines; a plurality of data lines; a plurality of pixel electrodes arranged so as to correspond to intersections of the plurality of scanning lines and the plurality of data lines; a counter electrode disposed opposite the substrate when viewed from a pixel electrode of the plurality of pixel electrodes; an emission layer disposed between the pixel electrode and the counter electrode; a driving transistor electrically connected to the pixel electrode; a driving circuit for supplying a signal to at least one of the plurality of scanning lines and the plurality of data lines; a potential supply line for supplying a potential to the driving circuit; an insulating film provided between the driving transistor and the counter electrode, the insulating film being provided in a first area on the substrate; and a planarizing layer covering the counter electrode, wherein the potential supply line extends along an edge of the substrate in a second area outside the first area on the substrate, and the planarizing layer covers the insulating film and overlaps with at least a part of the potential supply line in the second area.