US Patent 10194112 Display device and control method therefor

A broadcast receiver according to one embodiment of the present invention comprises: a tuner for receiving a broadcast signal; a display module for displaying content on a main screen; an interface module for receiving, from a remote control, a first command for selecting a specific location on the main screen; and a controller for controlling the tuner, the display module, and the interface module, wherein the controller enlarges a specific region within a preset distance from the specific location according to the received first command, and displays the magnified specific region in a zoom window, and furthermore, the location of the zoom window varies according to a motion of the remote control.