Patent ID: 8436372

Claim:
A display device comprising: an external circuit substrate; a first substrate on which a pixel circuit and a drive circuit for the pixel circuit are monolithically formed; and a second substrate provided so as to be opposed to the first substrate, the external circuit substrate, the first substrate, and the second substrate being provided in this order so as to overlap one another, the second substrate having a plurality of input terminals on a second substrate surface being opposed to the first substrate, the external circuit substrate having a plurality of output terminals, the plurality of input terminals being provided so as to be opposed to the plurality of output terminals, and overlapped with the plurality of output terminals when the plurality of input terminals and the plurality of output terminals are viewed in one plane, the plurality of input terminals being formed so as not to overlap the first substrate, the plurality of input terminals and the drive circuit being electrically connected via a conductor provided between the first substrate and the second substrate, the plurality of input terminals and the plurality of output terminals being electrically connected via a connector having a conductive region and an insulating region each formed into a striped pattern on surfaces for connection with the plurality of input terminals and the plurality of output terminals, wherein the first substrate has a first electrode pad provided on a first substrate surface being opposed to the second substrate, the first electrode pad being electrically connected to the drive circuit, wherein the second substrate has a second electrode pad provided on the second substrate surface being opposed to the first substrate, the second electrode pad being electrically connected to corresponding one of the plurality of the input terminals, wherein the plurality of input terminals and the drive circuit are connected by electrical connection of the first electrode pad and the second electrode pad via the conductor provided between the first electrode pad and the second electrode pad, wherein the drive circuit and the first electrode pad are electrically connected via a protective circuit, wherein the protective circuit includes a resistor, wherein the first electrode pad is provided on an insulating layer so that the first electrode pad overlaps the resistor, the insulating layer being provided so as to cover the resistor, and wherein the first electrode pad and the resistor are electrically connected via a contact hole formed through the insulating layer.