In the drawings: FIG. 1 is a perspective view showing a general portable computer, FIG. 2 shows a conventional mounting structure of the LCD device for a portable computer; FIGS. 3A and 3B are a perspective view and a front view, respectively, showing a mounting structure of the LCD device for a portable computer; FIGS. 4A-4C show the LCD device according to a first embodiment of the present inven