A display drive circuit formed in a chip manufactured by a chip on glass implementation, which is connected to lead lines formed on a glass substrate, includes a rectangularly-shaped substrate, a power supply line formed on the substrate, the line being elongated along the longer side of the rectangular shaped substrate, a plurality of output terminals formed on the rectangular shaped substrate, the output terminal being disposed along the power supply line, a plurality of bump electrodes, each of which connects one of the output terminal to one of the lead lines, switches disposed along the power supply line, each of which is connected between the one of the output terminals and the power supply line, a single power supply terminal, which is disposed near the middle of the power supply line, being connected to the power supply line.