Patent ID: 7538754

Claim:
A signal circuit, comprising: a plurality of signal sources; a plurality of data lines to which the signal sources supply signals, respectively; and driving means for driving the data lines, the data lines being divided into a plurality of groups, each of the groups including at least one data line, adjacent groups constituting one block, the signal sources supplying the signals, at same timing, to the data lines that belong to a group selected by the driving means, respectively, wherein: the driving means selects groups which belong to a clump of blocks including a first block, and a second block adjacent to the first block so that, (i) during a first predetermined period, the driving means simultaneously selects groups that belong to the first block, and simultaneously selects groups that belong to the second block, and (ii) during a second predetermined period subsequent to the first predetermined period, the driving means selects groups one by one from groups disposed at respective ends of the clump of blocks, simultaneously selects adjacent groups that belong to different blocks, and selects remaining groups one by one.