Patent ID: 7151520

Claim:
A liquid crystal driver circuit comprising: a memory circuit that temporarily stores inputted image data; a first selector circuit that successively selects image data that are read from the memonry circuit and outputs the image data; a digital/analog conversion circuit that converts the image data output from the first selector circuit into analog image signals; an amplification circuit that amplifies the analog image signals obtained by the digital/analog conversion circuit; and a second selector circuit that successively selects a plurality of output terminals and distributes the analog image signals amplified by the amplification circuit to the plurality of output terminals, wherein the amplification circuit comprises: a P type amplifier including a P-channel transistor that flows current from a first power supply potential to an output point according to analog image signals obtained by the digital/analog conversion circuit; an N type amplifier including an N-channel transistor that flows current from an output point to a second power supply potential according to analog image signals obtained by the digital/analog conversion circuit; and a third selector circuit that alternately switches between the analog image signals output from the output point of the P type amplifier and the analog image signals output from the output point of the N type amplifier, and wherein the second and third selector circuits alternately select the analog image signals output from the output point of the P type amplifier and the analog image signals output from the output point of the N type amplifier, and distribute the same in a time-divided manner to a plurality ofT thin film transistors of a liquid crystal display apparatus.