A display driving device is provided which drives a display panel having source lines provided for columns of pixels and which includes: first switches sw1 provided for the source lines; second switches sw2 provided for the source lines; AMP units 52 which are provided for the source lines and drive a pixel signal to the source lines via the second switches; an external power source 48 applying an intermediate voltage of the pixel signal to an intermediate voltage line, the intermediate voltage having a level between a minimum voltage level and a maximum voltage level of the pixel signal; and a control circuit 47 controlling turning on and off the first switches and the second switches, wherein the control unit temporarily turns off at least part of the second switches, and concurrently, temporarily turns on corresponding ones of the first switches during a transition period of the pixel signal.