A liquid crystal display, comprising: a liquid crystal module defining an opening, the liquid crystal module including a printed circuit board having a pad portion exposed to the opening; wherein the liquid crystal module includes a liquid crystal panel to display an image, a backlight unit to provide light to the liquid crystal panel, and a guide panel to couple the liquid crystal panel and the backlight unit; wherein the opening is defined in the guide panel; a set printed circuit board disposed adjacent a surface of the liquid crystal module; and a connector disposed between the pad portion and the set printed circuit board through the opening to electrically connect the liquid crystal module and the set printed circuit board and to connect the liquid crystal panel with the set printed circuit board through the opening, wherein the printed circuit board and the set printed circuit board are electrically connected to the connector; wherein the printed circuit board is a flexible flat-type printed circuit board disposed to cover the opening with the pad portion adjacent to the opening to connect with the connector, and the connector has a plurality of first terminals to be electrically fastened to the liquid crystal module, and a plurality of second terminals to be electrically fastened to the set printed circuit board, characterised in that the plurality of first terminals includes one of protrusions and recesses and the plurality of second terminals includes the other of protrusions and recesses; wherein either a) the pad portion has protrusions, the set printed circuit board has a plurality of third terminals including recesses, the plurality of first terminals includes recesses fastened to the protrusions of the pad portion, and the plurality of second terminals includes protrusions fastened to the recesses of the plurality of third terminals of the set printed circuit board, or b) the pad portion has recesses, the set printed circuit board has a plurality of third terminals including protrusions, the plurality of first terminals includes protrusions fastened to the recesses of the pad portion, and the plurality of second terminals includes recesses fastened to the protrusions of the plurality of third terminals of the set printed circuit board. a liquid crystal module defining an opening, the liquid crystal module including a printed circuit board having a pad portion exposed to the opening; wherein the liquid crystal module includes a liquid crystal panel to display an image, a backlight unit to provide light to the liquid crystal panel, and a guide panel to couple the liquid crystal panel and the backlight unit; wherein the opening is defined in the guide panel; a set printed circuit board disposed adjacent a surface of the liquid crystal module; and a connector disposed between the pad portion and the set printed circuit board through the opening to electrically connect the liquid crystal module and the set printed circuit board and to connect the liquid crystal panel with the set printed circuit board through the opening, wherein the printed circuit board and the set printed circuit board are electrically connected to the connector; wherein the printed circuit board is a flexible flat-type printed circuit board disposed to cover the opening with the pad portion adjacent to the opening to connect with the connector, and the connector has a plurality of first terminals to be electrically fastened to the liquid crystal module, and a plurality of second terminals to be electrically fastened to the set printed circuit board, characterised in that the plurality of first terminals includes one of protrusions and recesses and the plurality of second terminals includes the other of protrusions and recesses; wherein either a) the pad portion has protrusions, the set printed circuit board has a plurality of third terminals including recesses, the plurality of first terminals includes recesses fastened to the protrusions of the pad portion, and the plurality of second terminals includes protrusions fastened to the recesses of the plurality of third terminals of the set printed circuit board, or b) the pad portion has recesses, the set printed circuit board has a plurality of third terminals including protrusions, the plurality of first terminals includes protrusions fastened to the recesses of the pad portion, and the plurality of second terminals includes recesses fastened to the protrusions of the plurality of third terminals of the set printed circuit board.