A laundry treatment device according to an aspect of the present invention comprises: a body which receives laundry therein and has an inlet through which the laundry is introduced; a door connected to the body, and opening or closing the inlet; a control panel provided on the door to receive, from a user, an input of an operation signal for treating the laundry; a power transmitter provided on the body to transmit wireless power; and a power receiver provided on the door to receive the wireless power and transmit same to the control panel.