Provided is a sensor unit driving device capable of protruding and retracting a sensor unit for sensing a display surface without projecting a bezel in front of a display surface while reducing a width of a bezel. The present invention is to provide a sensor unit driving device comprising a display panel comprising a display surface for displaying an image, a sensor unit with a sensor, and an actuator driving the sensor unit. The sensor unit is configured to be on a lateral surface side or a rear surface side of the display panel when the sensor unit is in a retreat position and is configured so that the sensor faces the display surface when the sensor unit is in a detection position. The actuator is configured to drive the sensor unit for switching between the retreat position and the detection position by a movement of the sensor unit.