Display device and operation method thereof

Abstract

A display device according to an embodiment of the present invention may comprise: a display unit; a wireless communication unit which performs wireless communication with a first portable device connected to a first terminal that is displaying a first image or a second portable device connected to a second terminal that is displaying a second image; and a controller which: when a screen sharing request is received from the first portable device, determines whether a management mode for managing screen sharing of the second portable device connected to the second terminal is activated; when the management mode for the second portable device is activated, determines whether a screen sharing grant is received from the second portable device; when the screen sharing grant is received, receives first image data corresponding to the first image from the portable device; and displays a first mirroring image on the display unit on the basis of the received first image data.

Dependencies are inferred from the claim text.