To provide a transflective liquid crystal display device, wherein the occurrence of moire is reduced and the display quality is improved.
The transflective liquid crystal display device 1 is provided with: a liquid crystal device 100 with transparent areas 600 and reflective areas 700 alternately provided in each pixel 500 with a fixed pitch P1 in one direction; and a prism sheet 230 arranged in the backside of the liquid crystal display device 100 and having a plurality of V-shaped grooves 230a continuously providing on a surface facing the liquid crystal display device 100 with a fixed pitch P2 mutually in parallel in a direction as same as the one direction, wherein the pitch 1 and the pitch 2 are set to have a relation of n×P2×(1+1.5×P2/500)
