Patent ID: 11949955
Assignee: LG ELECTRONICS INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 0:
1. A display device comprising:
a wireless communication unit configured to communicate with a mobile device;
a tuner configured to receive at least one broadcast program;
an external device interface configured to receive at least one content from an external device;
a display configured to display at least one video data included in the at least one broadcast program or the at least one content; and
a controller configured to:
cause the display to display a first broadcast program of a first channel while a first menu including at least one menu item is displayed at the mobile device for controlling the display device,
receive a request signal via the wireless communication unit for changing a channel in response to selection of a specific menu item among the at least one menu item included in the first menu,
cause the tuner to tune to a second channel based on the received request signal,
transmit to the mobile device, via the wireless communication unit, a first video data corresponding to a second broadcast program of the second channel,
cause the display to display the first video data corresponding to the second broadcast program of the second channel while the first video data is fully displayed on a screen of the mobile device along with the first menu, wherein the first menu is not displayed on the display of the display device with the first video data,
receive, via the external device interface, a second video data, and
cause the display to display the second video data while the second video data is fully displayed on the screen of the mobile device with a second menu different from the first menu, wherein the second menu is not displayed on the display of the display device with the second video data.