A liquid crystal display device is provided. The liquid crystal display device comprises a backlight module and a display panel. The display panel includes an array substrate disposed on the light entering face side, a color filter substrate disposed on the light exiting face side and a liquid crystal layer between the two substrates. On the array substrate, there is provided a first polarizing plate. The color filter substrate includes a base substrate, a second polarizing plate disposed on the light exiting face side of the base substrate and a color filter layer disposed on the light exiting face side of the second polarizing plate. The backlight module is a collimated backlight module.