US Patent 7656471 Liquid crystal display device

A liquid crystal display device includes a liquid crystal display panel and a backlight. The liquid crystal display device has a hole in the screen. The hole of the liquid crystal display panel has a first protecting member; and the hole of the backlight has a second protecting member. The liquid crystal display panel hole and the backlight hole form a common hole. The common hole has a third protecting member. With this structure, the viewer can see another display in the liquid crystal display screen without feeling a noticeable difference.