Abstract: A liquid crystal panel according to an embodiment of the present invention includes: a liquid crystal cell; a first polarizer arranged on one side of the liquid crystal cell; a second polarizer arranged on another side of the liquid crystal cell; a positive A plate and a positive C plate arranged between the liquid crystal cell and the first polarizer; and an isotropic optical element arranged between the liquid crystal cell and the second polarizer, wherein the positive A plate is arranged between the first polarizer and the positive C plate.

Abstract: Provided are a polarizing plate which has no defects of unevenness and is excellent in optical characteristics as well as in external appearance, and an image display apparatus of high quality using such a polarizing plate. The polarizing plate of the present invention includes a polarizer and a protective layer (A) placed on at least one surface of the polarizer, in which the protective layer (A) is a (meth)acrylic resin layer having a thickness of 1 to 50 ?m with a surface hardness of B or more in terms of a pencil hardness, and an adhesive layer having a thickness of 50 to 150 nm is placed between the polarizer and the protective layer (A).

Abstract: A polarizing plate of the invention comprises a polarizer; and a transparent protective film provided on at least one side of the polarizer with an adhesive layer interposed therebetween, wherein the adhesive layer is formed of an adhesive for polarizing plate comprising: a resin solution comprising a polyvinyl alcohol-based resin, a crosslinking agent and a colloidal metal compound with an average particle size of 1 nm to 100 nm, wherein 200 parts by weight or less of the colloidal metal compound is added to 100 parts by weight of the polyvinyl alcohol-based resin, and the transparent protective film provided on at least one side is a retardation plate having a front retardation of 40 nm or more and/or a thickness direction retardation of 80 nm or more. The polarizing plate can reduce the occurrence of knicks.

Abstract: A liquid crystal panel according to an embodiment of the present invention includes: a liquid crystal cell; a first polarizer arranged on one side of the liquid crystal cell; a second polarizer arranged on another side of the liquid crystal cell; a positive A plate and a positive C plate arranged between the liquid crystal cell and the first polarizer; and an isotropic optical element arranged between the liquid crystal cell and the second polarizer, wherein the positive A plate is arranged between the first polarizer and the positive C plate.

Abstract: An optical film of the invention comprises a polarizing plate obtained by laminating a transparent protective film on at least one surface of a polarizer and a retardation film laminated on one surface of the polarizing plate so that the absorption axis of the polarizing plate and the slow axis of the retardation film are perpendicular to or in parallel with each other, wherein the retardation film satisfies a relation of nx>nz>ny, and the transparent protective film is disposed at least on the retardation film side and is a cellulose-based film with retardation in the thickness direction, which is expressed by (Rth)=(nx?nz)×d, in the range of 0 to 10 nm, where in each of the films, a refractive index of a slow axis direction, a refractive index of a fast axis direction and a refractive index in the thickness direction at a wavelength of 590 nm are represented by nx, ny and nz, respectively, that a film thickness is represented d (nm) and that the slow axis direction is defined as a direction in which a