Patent ID: 7233023

Claim:
An electro-optical device, comprising: a substrate on which a plurality of pixels are arranged; and a driving circuit for generating driving signals to drive the plurality of pixels respectively, by using a plurality of transistors formed on a surface of the substrate, wherein each of the plurality of transistors has a gate electrode opposing a channel region of a polysilicon layer with an insulating layer interposed therebetween, the channel regions of the polysilicon layers being separated from each other, in at least one of the transistors, the total area of the channel regions of the polysilicon layers which oppose the gate electrode of the at least one transistor is 3000 μm 2 or less, and a level shift circuit for generating a signal with a larger voltage amplitude than that of an input signal by using the plurality of transistors, and for outputting the signal to each pixel as the driving signal, wherein the level shift circuit includes m unit circuits (m is a natural number equal to or greater than 2) which are arranged in the pixel arrangement direction and each of which outputs the driving signal, and the polysilicon layers of the level shift circuit are separated from each other, in every block which divides m unit circuits into 2 through m/2.