Patent ID: 7880839

Claim:
A liquid crystal display comprising: a liquid crystal cell comprising a pair of transparent substrates and a liquid crystal layer containing liquid crystal molecules, sandwiched between the pair of the transparent substrates; and a polarizing plate, disposed on an outside of each transparent plate, and comprising at least a polarizer and an optical film comprising at least first, second and third optical anisotropic layers, wherein the liquid crystal display device satisfies the following conditions (1) to (7): (1) the liquid crystal cell having a Δnd value in the range of 800 or more and less than 1,200; (2) the first optical anisotropic layer having a rubbing angle of 40° to 50° with respect to a transmission axis of the polarizing plate; (3) the first optical anisotropic layer having an in-plane retardation value Re 1 of 25 nm or more and 50 nm or less at a wavelength of 550 nm, and the in-pate retardation value Re 1 being defined by the following numerical formula (I); (4) within a plane including, of directions forming 45° with respect to a longitudinal direction of the first optical anisotropic layer, a direction where an in-plane refractive index is reduced and a normal line to the first optical anisotropic layer, a retardation value Re (40°) measured from a direction tilted by 40° in a plane direction of the first optical anisotropic layer from the normal line and a retardation value Re (−40°) measured from a direction tilted by 40° in reverse from the normal line satisfying the following numerical formula (II); (5) the second optical anisotropic layer having an in-plane retardation value Re 2 in the range of −10 nm or more and 60 nm or less at a wavelength of 550 nm where the in-plate retardation value Re 2 being defined by the following numerical formula (I), and a retardation value Rth 2 in a thickness direction of the second optical anisotropic layer being in the range of 0 nm or more and 300 nm or less at a wavelength of 550 nm where the retardation value Rth 2 being defined by the following numerical formula (III); (6) the third optical anisotropic layer has an in-plane retardation value Re 3 in the range of −10 nm or more and 60 nm or less at a wavelength of 550 nm where the in-pate retardation value Re 3 being defined by the following numerical formula (I), and a retardation value Rth 3 in a thickness direction of the third optical anisotropic layer being in the range of 25 nm or more and 300 nm or less at a wavelength of 550 nm where the retardation value Rth 3 being defined by the following numerical formula (III); and 200(nm)≦ Rth 3 +Rth 3 ≦600(nm), (7) Re =( nx−ny )× d Numerical Formula (I) 3 ≦Re (40°)/ Re (−40°)≦20 Numerical Formula (II) Rth =(( nx+ny )/2 −nz )× d Numerical Formula (III) wherein nx and ny denote refractive indexes in slow and fast axis directions in the plane of the first optical anisotropic layer, respectively, in the numerical formula (I), and nz denotes a refractive index in a film thickness direction, and d denotes a thickness in the numerical formula (III).