Patent ID: 8188580

Claim:
A semiconductor device having a rectangular semiconductor element mounted on a substrate formed with an external input terminal, an external output terminal, and a plurality of wiring patterns connected to each of the external input terminal and the external output terminal, wherein the semiconductor element comprises: a functional block including a grayscale voltage generating unit for generating a plurality of grayscale voltages by dividing a reference voltage; a plurality of first electrodes formed in a neighborhood of the functional block; a first internal wiring for connecting the functional block and the first electrodes; a plurality of second electrodes formed along a first edge of the semiconductor element; a plurality of third electrodes formed along an edge of the semiconductor element that is opposite to the first edge; and a second internal wiring for connecting the first electrodes and the second electrodes, wherein the substrate comprises a first wiring pattern for connecting the external input terminal, the plurality of first electrodes, and the second electrodes wherein a part of the wiring of the first wiring pattern that connects the plurality of first electrodes with the second electrodes is disposed in a mounting region on which the semiconductor element is mounted; and a second wiring pattern for connecting the external output terminal and the third electrodes.