公开(公告)号：US20210360143A1

公开(公告)日：2021-11-18

申请号：US17229716

申请日：2021-04-13

Applicant: LG ELECTRONICS INC.

Inventor： Jaebeom LEE ,  Sangkwon KIM ,  Taewook KIM

IPC: H04N5/232 ,  H04N5/235 ,  H04N5/225

Abstract: Provided is a display apparatus including: a display module; a housing accommodating the display module; a transparent substrate disposed on a front surface of the display module and installed in the housing; a transmitter disposed on one end of the transparent substrate and generating light; a receiver installed on the other end of the transparent substrate to face the transmitter in a first direction, and receiving the light emitted from the transmitter; and a receiver installed on the other end of the transparent substrate to face the transmitter in a first direction, and receiving the light emitted from the transmitter; and a control unit driving the display module, and determining whether the transparent substrate is damaged based on a signal received from the receiver.