US Patent 10142525 Display apparatus

A display apparatus includes: a display part; a rail member provided on a back surface of the display part; and an imaging unit placed in engagement with the rail member, wherein a lens included in the imaging unit is exposed outside the display part in a first state in which the imaging unit is moved to a first end of the rail member, and is located behind the back surface of the display part in a second state in which the imaging unit is moved to a second end of the rail member.