公开(公告)号：US20230370669A1

公开(公告)日：2023-11-16

申请号：US18027315

申请日：2020-09-22

Applicant: LG ELECTRONICS INC.

Inventor： Wontae KIM ,  Moonsoo KANG ,  Daejin LIM

IPC: H04N21/41 ,  H04N21/4363 ,  H04N21/443 ,  H04N21/4425

CPC classification number: H04N21/4122 ,  H04N21/4363 ,  H04N21/443 ,  H04N21/4425

Abstract: The present invention relates to a display device and a control method therefor, and the purpose thereof is to: receive at least one of a video image and a control command from a first image transmission device from among a plurality of image transmission devices; transmit status information regarding a display device to the first image transmission device; and, when at least one of the first image transmission device and a communication unit does not operate normally, change the transmission direction of the video image and the control command.