Patent ID: 7268756

Claim:
A liquid crystal display device having on an insulating substrate a plurality of source signal lines, a plurality of gate signal lines, a plurality of pixels, and a source signal line driver circuit for driving the source signal lines, wherein the source signal line driver circuit has a plurality of analog buffer circuits, wherein a switching circuit having switches is provided between the analog buffer circuits and the source signal lines, wherein the plurality of source signal lines and the plurality of analog buffer circuits constitute a circuit group, wherein a connection between one of the source signal lines and one of the analog buffer circuits is periodically switched to a connection between the one of the source signal lines and another one of the analog buffer circuits by any one of the switches, wherein a set of n periods is periodically repeated, and wherein, in an r-th period (r is a natural that satifies 1≦r≦n), the switching circuit connects an m-th source signal line (m is a natural number that satifies 1≦m≦n−r+1) in the circuit group to an (m+r−1)-th analog buffer circuit and an 1-th source signal line (l is a natural number that satifies n−r+2≦1≦n) to an (1−n+r−1)-th analog buffer circuit, respectively.