Patent ID: 8564578

Claim:
A display device comprising: a pixel portion formed over a first substrate; a second substrate adhered to the first substrate via a seal material; a data line side driver circuit formed by utilizing a third substrate, the data line side driver circuit being operationally connected to the pixel portion via a first wiring; a memory portion formed by utilizing the third substrate, the memory portion being operationally connected to the data line side driver circuit; and a flexible printed circuit operationally connected to the data line side driver circuit via a second wiring, wherein the data line side driver circuit is electrically connected to the first wiring via an anisotropic conductive material, wherein the data line side driver circuit is electrically connected to the second wiring via the anisotropic conductive material, wherein the anisotropic conductive material comprises a resin, a first conductive particle over the first wiring, a second conductive particle over the second wiring and a third conductive particle between the first wiring and the second wiring, wherein the third substrate is mounted on the first substrate, and wherein the pixel portion comprises a transistor comprising a gate electrode and a semiconductor layer with a gate insulating film positioned between the gate electrode and the semiconductor layer.