METHOD TO DECREASE MOIRE FRINGE AND LIQUID CRYSTAL DISPLAY DEVICE

摘要

PROBLEM TO BE SOLVED: To reduce moire fringes produced when sheets having regular patterns are overlapped. SOLUTION: Relating to a liquid crystal display device, moire fringes are produced by the interference between the regular pattern of pixel lines formed on a liquid crystal panel and the regular pattern of groove lines formed on the optical sheet such as a light transmission plate to be overlapped on the liquid crystal panel, and the pitch P1 of the pixel lines and the pitch P2 of the groove lines are controlled to reduce the period of the moire fringes to the min.