According to one embodiment, a liquid crystal display device includes a liquid crystal display panel, a cover panel, a container case fixed to the cover panel and covering the liquid crystal display panel, and a backlight unit disposed in the container case and opposed to the liquid crystal display panel. The container case includes a bottom wall, and a sidewall directly opposed to at least one edge of the backlight unit with a gap interposed therebetween. At least one of a reflective sheet, light guide plate, and optical sheet of the backlight unit is opposed to the sidewall of the container case with the gap interposed therebetween, and is contained in the container case in a relatively displaceable manner with respect to the container case and the liquid crystal display panel.