Abstract: An extension device for display is disclosed. The extension device includes a housing mounted at the rear side of the display; an insertion slot disposed on the housing, the bottom end of the insertion slot connected to a connection section and the other end of the insertion slot being formed into an opening; a positioning device including an apex region and a valley region; and an extension box adapted within the insertion slot, one end of the extension box being a connection section, and the extension box being connected to the connection section by means of the positioning device and the bottom end of the insertion slot, the other end of the extension box being provided with an input terminal for external signals.

Abstract: A liquid crystal display (LCD) structure which includes a display; an adjustment device having a securing rod with two ends mounted with a hinge chain module; a seat body including an engaging slot and a positioning slot; a support rod including a positioning rib, thereby one side of the display is connected to the chain module of the adjustment device, with the securing rod being connected to one end of the support rod, the support rod corresponding to the other end of the adjustment device is connected to the engaging slot, the positioning rib is extended to the positioning slot of the seat body so that the LCD can be adjusted The hinge chain module includes a securing seat mounted with positioning holes for the positioning shaft, the ends of the positioning holes are extended outwardly to form a fan-like shape, the securing seat is disposed with a securing plate which can be mounted on the display, the two lateral sides of the securing seat are mounted with two damping pads and the external side of the dam

Abstract: A liquid crystal display (LCD) structure which includes a display; an elevation adjustment device having a securing rod with two ends mounted with a hinge chain module; a seat body including an engaging slot and a positioning slot; a support rod including a positioning rib, thereby one side of the display is connected to the chain module of the elevation adjustment device, with the securing rod being connected to one end of the support rod, the support rod corresponding to the other end of the adjustment device is connected to the engaging slot, the positioning rib is extended to the positioning slot of the seat body so that the LCD can be adjusted with respect to its elevation.

Abstract: An extension device for display is disclosed. The extension device includes a housing mounted at the rear side of the display; an insertion slot disposed on the housing, the bottom end of the insertion slot connected to a connection section and the other end of the insertion slot being formed into an opening; a positioning device including an apex region and a valley region; and an extension box adapted within the insertion slot, one end of the extension box being a connection section, and the extension box being connected to the connection section by means of the positioning device and the bottom end of the insertion slot, the other end of the extension box being provided with an input terminal for external signals.