The liquid crystal display device and an electronic paper using the same

The present invention suppresses seizing display having the liquid crystal display element using the cholesteric liquid crystal, and an object thereof is to improve the display quality. The present invention includes a pair of substrates facing each other, a liquid crystal display device having a cholesteric liquid crystal layer sealed between the pair of substrates, the surface of the interface in contact with the cholesteric liquid crystal layer of said pair of substrates roughness, characterized in that it is 1.5nm or less. According to the present invention, by suppressing the sticking of a display by reducing the surface roughness, it is possible to improve the display quality. Electronic paper using a liquid crystal display device of the present invention, an electronic book, can be used on the display unit of the sub-display and the IC card of the mobile terminal equipment.