Phase difference phase difference corresponding to the dark state to the challenges oblique view at the time to improve the contrast ratio, corresponding to the bright state is to reduce the color shift. When positioned between the polarizer (100) reflector (200) and between (120, 180) substrate [MEANS FOR SOLVING PROBLEMS] The two pieces, the electric field is not applied, twisted texture angle equal to 180 ° only difference The defined characteristic refractive indices nx, ny, by nz along and having the axis x of the liquid crystal layer thickness d, birefringence Δn, the phase difference Δnd (150), the corresponding index ellipsoid, y, and z has an optical anisotropy that is positioned in (120, 180) plane substrate, y and x are nx ≧ ny, z is perpendicular to the substrate (120, 180) plane, parameter Nz biaxial equal to (nx-nz) / (nx-ny) is provided with a compensation layer (110) between the polarizer (100) and the reflector (200), Nz is -∞~1 / 2. [Selection] Figure 16
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