A double-sided emission type display device includes a first substrate having a first connection and a first protruded portion extending in a first direction; a first display unit at the first substrate; a second substrate coupled to the first substrate, comprising a second connection and a second protruded portion extending in the first direction; a second display unit at the second substrate; and a first flexible printed circuit board (FPCB) including a first connecting portion coupled to the first connection and a second connecting portion coupled to the second connection.