Optical anisotropic layered body, polarizing plate, and image display device

A polarizing plate comprising:

• an optically anisotropic layered body;
• and
• a linear polarizer, wherein
• an angle formed by a slow axis of the optically anisotropic layered body with respect to a polarization absorption axis of the linear polarizer being 45°±5°,
• the optically anisotropic layered body includes a first optically anisotropic layer and a second optically anisotropic layer,
• the first optically anisotropic layer satisfies the following formulae (1) and (5),
• the second optically anisotropic layer satisfies the following formulae (2) and (6),
• the optically anisotropic layered body satisfies the following formulae (3) and (4), and
• an in-plane retardation Re1 of the first optically anisotropic layer is 0 nm or more and 3 nm or less:
• nx1≥ny1>nz1 Formula (1),
• ny2<nx2≤nz2 Formula (2),
• Re(450)<Re(550)<Re(650) Formula (3),
• 0<NZ<1.0 Formula (4),
• Rth1(450)<Rth1(550)<Rth1(650) Formula (5), and
• Re2(450)<Re2(550)<Re2(650) Formula (6),
• wherein
• nx1 represents a refractive index in a direction in which a maximum refractive index is given among in-plane directions of the first optically anisotropic layer, ny1 represents a refractive index in another in-plane direction of the first optically anisotropic layer being orthogonal to the direction giving nx1, and nz1 represents a refractive index in a thickness direction of the first optically anisotropic layer,
• nx2 represents a refractive index in a direction in which a maximum refractive index is given among in-plane directions of the second optically anisotropic layer, ny2 represents a refractive index in another in-plane direction of the second optically anisotropic layer being orthogonal to the direction giving nx2, and nz2 represents a refractive index in a thickness direction of the second optically anisotropic layer,
• Re (450), Re (550), and Re (650) represent in-plane retardations Re of the optically anisotropic layered body at wavelengths of 450 nm, 550 nm, and 650 nm, respectively,
• Rth1 (450), Rth1 (550), and Rth1 (650) represent thickness-direction retardations Rth of the first optically anisotropic layer at wavelengths of 450 nm, 550 nm, and 650 nm, respectively,
• Re2 (450), Re2 (550), and Re2 (650) represent in-plane retardations Re of the second optically anisotropic layer at wavelengths of 450 nm, 550 nm, and 650 nm, respectively, and
• NZ represents an NZ factor of the optically anisotropic layered body.