Patent ID: 7460100

Claim:
A display apparatus comprising: a display unit comprised of pixel elements arranged in a matrix; a signal circuit and a scanning circuit for driving the pixel elements; a first type level conversion circuit connected to at least one of the signal circuit and the scanning circuit, to perform level conversion of data signals and transmit to the signal circuit and the scanning circuit to drive the pixel elements; and a second level conversion circuit connected to at least one of the signal circuit and the scanning circuit, to perform level conversion of differential clock signals to control the transmission of data signals to the signal circuit to drive the pixel elements, wherein a differential input type level conversion circuit includes a level conversion unit comprising: a first transistor and a second transistor connected in parallel, having respective gate electrodes coupled to receive a bias voltage; and a first resistance element and a second resistance element connected in parallel, and disposed between respective drain electrodes of the first transistor and the second transistor and a power supply terminal; wherein respective source electrodes of the first transistor and the second transistor are coupled to receive clock signals having a mutually different polarity and a low voltage amplitude, and the respective drain electrodes of the first transistor and the second transistor are coupled to output clock signals having a mutually different polarity and a high voltage amplitude.