公开(公告)号：US20180041803A1

公开(公告)日：2018-02-08

申请号：US15544233

申请日：2015-03-04

Applicant: LG ELECTRONICS INC.

Inventor： Euihwan SI ,  Sangjin KIM ,  Hyeongho SON

IPC: H04N21/4402 ,  H04N5/64 ,  H04N21/414 ,  H01Q1/22 ,  H04N21/4363 ,  H04N21/422

CPC classification number: H04N21/440218 ,  H01Q1/22 ,  H01Q1/24 ,  H04N5/50 ,  H04N5/64 ,  H04N21/414 ,  H04N21/42206 ,  H04N21/43637 ,  H04N2005/44517

Abstract: An image display device includes an antenna built in the image display device to receive a broadcast service signal, a display unit configured to display a screen corresponding to the received broadcast service signal, and a controller configured to determine whether reception sensitivity of the broadcast service signal received through the antenna is equal to or less than reference sensitivity, to acquire broadcast reception information for receiving the broadcast service signal upon determining that the reception sensitivity of the received broadcast service signal is equal to or less than the reference sensitivity, and to display a position of the antenna corresponding to the acquired broadcast reception information on the display unit.