US Patent 10362690 Display apparatus

A display apparatus is disclosed including a housing; at least one roller disposed within the housing; a display unit comprising a display panel and a module cover; a motor assembly; an upper bar coupled to the upper portion of the display unit; a drive unit including at least one support unit, of which one end is coupled to both ends of the upper bar and the other end is coupled to the motor assembly, to raise the upper bar; and an encoder disposed to be spaced apart from the at least one roller within the housing, wherein the at least one support unit includes an upper link; a lower link; and a hinge for connecting the upper link and the lower link, and the encoder is coupled to a rotation axis of one end of the lower link.