Patent ID: 8368672

Claim:
A source driver that drives a plurality of source lines of an electro-optical device, the source driver comprising: a first driver block including first to pth (p is an integer equal to or larger than two) source output blocks arranged along a horizontal direction that is perpendicular to the plurality of source lines, at least two source output blocks of the first to pth source output blocks including a first output circuit that drives at least one source line of the plurality of source lines; a second driver block including (p+1)th to qth (p+1<q, q is an integer) source output blocks arranged along the horizontal direction, at least two source output blocks of the (p+1)th to qth source output blocks including a second output circuit that drives at least one source line of the plurality of source lines; and a precharge line that supplies a precharge voltage for precharging each of a first output of the first output circuit and a second output of the second output circuit; the precharge voltage being supplied to a voltage supply point of the precharge line provided so that a load from the voltage supply point to an edge of the pth source output block is substantially equal to a load from the voltage supply point to an edge of the (p+1)th source output block, the precharge line including a first line and a second line, the first line of the precharge line being disposed along the horizontal direction, the second line of the precharge line being disposed along a second direction in an area between the first driver block and the second driver block, the second direction being perpendicular to the horizontal direction, the voltage supply point of the precharge line being a cross point of the first line and the second line, the first line including a third line and a fourth line, the third line being disposed from the cross point and extending in a third direction, the fourth line being disposed from the cross point and extending in a fourth direction that is a direction opposite to the third direction, the precharge voltage being supplied from the second line to the third line and the fourth line of the first line through the voltage supply point, and the precharge voltage being supplied from the third line to the first output of the first output circuit of the first driver block and being applied from the fourth line to the second output of the second output circuit of the second driver block.