Disclosed is a display device. A display device according to the present disclosure comprises: a housing having an opening; a roller extending longitudinally and located inside the housing; a display panel that is wound on or unwound from the roller and partitions a certain space into a first space and a second space when located outside the housing after passing through the opening; a sensor that is adjacent to a sensing area formed in at least one among the first space and the second space, and senses whether or not there are objects that have entered the sensing area; and a control unit that, on the basis of the information acquired by the sensor, controls whether to perform an operation for winding or unwinding the display panel on or from the roller.