Patent ID: 7126597

Claim:
A scanning circuit which sequentially applies a scanning signal to a plurality of scanning wiring lines of a display device having the plurality of scanning wiring lines and a plurality of modulation wiring lines, said scanning circuit comprising: a plurality of output circuits each of which outputs the scanning signal to a respective one of the plurality of scanning wiring lines; a plurality of conductors for respectively forming a path for the scanning signal between each of said output circuits and each of the scanning wiring lines; a selecting circuit which outputs a selection signal for selecting the scanning wiring lines to which the scanning signal should be applied; a compensation signal output circuit which outputs a compensation signal to the output circuits according to the signal level at said conductor to which the scanning signal is output for compensating for a loss in the scanning signal in at least one of at least a portion of said output circuit, at least a portion of said conductors, or at least a portion of said output circuit and at least a portion of said conductors; and a plurality of switches connected respectively to the plurality of conductors and connected in common to said compensation signal output circuit, wherein a signal level at said conductor to which the scanning signal is output is supplied to said compensation signal output circuit through the switch corresponding to a said conductor to which the scanning signal is output, and wherein the output circuits which output the scanning signals are compensated on the basis of the compensation signal.