Abstract: The present invention to provide a conductive polarized film that has excellent see-through visibility and heat resistance, and low resistivity. The conductive polarized film of the present invention has a support film, an organic dye film, a silicon nitride layer and a transparent conductive film, in that order.

Abstract: There is provided, a process for producing a water-proof polarizing film having a high dichroic ratio free from cracks by contacting a polarizing film including a mixture of an organic dye and polyvinyl alcohol-based polymers with a water-proof treatment liquid containing the following to perform water-proof treatment: (1) at least one of organic amine cations and multivalent metal cations; and (2) tetrahydroxy borate anions.

Abstract: There is provided a water-resistant polarizing film including an organic dye having at least two anionic groups, and an alicyclic structure-containing compound having at least two nitrogen atoms in a molecule.

Abstract: The water-resistant polarizing film of the present invention comprises an organic colorant having an anionic group, and organic nitrogen compounds. The organic nitrogen compounds include a first organic nitrogen compound having at least two nitrogen atoms in the molecule thereof, and a second organic nitrogen compound having at least two nitrogen atoms in the molecule thereof. The distance (A) between adjacent nitrogen atoms in the first organic nitrogen compound is shorter than the distance (B) between adjacent atoms of the nitrogen atoms in the second organic nitrogen compound.

Abstract: The present invention provides a method for manufacturing a polarizing film, by which, even when a wide raw film is used, it is possible to obtain a polarizing film that achieves excellent optical characteristics as well as uniformity in in-plane optical characteristics. The method includes the steps of dyeing a polymer film; stretching the dyed film; and drying the film that has undergone the dyeing and stretching steps while conveying the film with rolls. In the drying step, at least two rolls are used as the rolls and the film is dried under a condition that a ratio (R/W) of a distance (R) between the adjacent rolls to an initial width (W) of the polymer film is not less than 0.5 and not more than 4.0.

Abstract: There is provided a polarizing film exhibiting a stable and high dichroic ratio by forming a film using a water solution in which a metal capture agent has been added, even if multivalent metal cations are included.

Abstract: A water-resistant polarizing film of the present invention contains an organic colorant having an anionic group and a non-cyclic compound having 2 to 5 nitrogen atoms. The non-cyclic compound is a linear aliphatic diamine or a salt thereof and more preferably an aliphatic diamine having 2 to 8 carbon atoms or a salt thereof. For example, the water-resistant polarizing film of the present invention can be produced by bringing a treating liquid containing the non-cyclic compound into contact with a single surface or both surfaces of a polarizing film containing the organic colorant.

Abstract: A process for the producing a coating fluid of the present invention comprises a step of adjusting a pH of the coating fluid by mixing ammonium hydroxide into an acid solution containing a lyotropic liquid crystal compound and a solvent. Further, a process for the producing an optically anisotropic film of the present invention comprises a step of obtaining an optically anisotropic film by casting the coating fluid produced by the aforementioned process for production of the coating fluid in a thin film state, followed by drying.

Abstract: The lyotropic liquid crystalline mixture of the present invention comprises at least a first azo compound and a second azo compound in relation of constitutional isomers wherein the first azo compound and the second azo compound are the constitutional isomers different in a binding site of at least an azo group. The first azo compound is preferably an azo compound wherein the azo group is bonded to an ortho-position of a hydroxyl group of an aminonaphthol skeleton. The second azo compound is preferably an azo compound wherein the azo group is bonded to an ortho-position of an amino group of an aminonaphthol skeleton. The lyotropic liquid crystalline mixture of the present invention may be utilized as a forming material of an optical anisotropic film, for example.

Abstract: The polarizing film of the present invention contains the azo compound represented by the following general formula (I). In the general formula (I), Q represents a substituted or unsubstituted aryl group, X represents a cationic group, a nitro group, a cyano group, or a hydroxyl group, and M represents a counter ion.

Abstract: Provided is a method for manufacturing an optical laminated body having a substrate and a polarizing film that contains a lyotropic liquid crystal compound and is formed on the substrate. The method includes a step (A) of applying a coating liquid containing the lyotropic liquid crystal compound and a solvent onto the substrate and forming a coat film with the lyotropic liquid crystal compound orientated in one direction, and a step (B) of applying a magnetic field to the coat film in a direction substantially parallel to an orientation direction of the lyotropic liquid crystal compound.

Abstract: A method for producing a polarizing film, including: a dyeing step and a stretching step, a plurality of films being dipped into at least one processing liquid without contacting each other.

Abstract: A polarizing film is provided that prevents display unevenness and can form a liquid crystal display and an electroluminescence display that exhibit excellent display characteristics. The polarizing film is produced in the following manner. That is, a hydrophilic polymer film is conveyed by means of a guide roll so as to be impregnated in an aqueous solvent in a swelling bath and is allowed to swell. In this swelling step, at least a first guide roll is arranged in the swelling bath, and when the polymer film is impregnated in and allowed to travel in the aqueous solvent, the polymer film is brought into contact with the first guide roll within a time up to when swelling reaches a saturation state. Further, the polymer film is dyed using a dichroic substance and stretched.

Abstract: A method for manufacturing a polarizing plate in which a transparent protective film is provided on at least one surface of a polarizer with an adhesive layer interposed therebetween, wherein an adhesive is coated on a surface of the transparent protective film on which the adhesive layer is formed or/and a surface of the polarizer on which the adhesive layer is formed to form the adhesive layers, and thereafter, an aqueous liquid is caused to be present on an adhering surface when the transparent protective film and the polarizer are continuously adhered to each other with the adhesive layer interposed therebetween. A polarizing plate having uniform polarization characteristics, and excellent in durability is obtained by the method.

Abstract: A high-brightness polarizing plate of the present invention comprises a polarizing plate that comprises a polarizer and a protective film prepared on one or both sides of the polarizer, a brightness enhancement film and an adhesive layer through which the polarizing plate and the brightness enhancement film are laminated with the protective film interposed between them, wherein the protective film has an in-plane retardation Re of 0 to 10 nm and a thickness-direction retardation Rth of ?30 to 10 nm, wherein Re=(nx?ny)d and Rth={(nx+ny)/(2?nz)}d. The high-brightness polarizing plate has a small color shift, and can be applied to various image displays such as liquid crystal displays.

Abstract: A liquid-crystalline coating fluid comprises: a lyotropic liquid crystal compound; a vinyl alcohol-based polymer; and a solvent, wherein 0.05 to 1.5 weight parts of vinyl alcohol-based polymer is contained with respect to 100 weight parts of the lyotropic liquid-crystal compound.

Abstract: A liquid crystalline coating solution which comprises: an azo compound represented by the following general formula (I); and a solvent to dissolve the azo compound: wherein Q1 is a phenyl group or a naphthyl group (these groups may have any substituent groups); Q2 is a pheylene group or a naphtylene group (these groups may have any substituent groups); m is an integer from 1 to 5; and M is a counter ion.

Abstract: An adhesive for polarizing plate used in order to provide a transparent protective film on at least one surface of a polarizer, comprising a crosslinking agent in the range of more than 30 parts by weight and 46 parts by weight or less relative to 100 parts by weight of a polyvinyl alcohol-based resin having an acetoacetyl group, is excellent in water resistance.

Abstract: A process for the producing a coating fluid of the present invention comprises a step of adjusting a pH of the coating fluid by mixing ammonium hydroxide into an acid solution containing a lyotropic liquid crystal compound and a solvent. Further, a process for the producing an optically anisotropic film of the present invention comprises a step of obtaining an optically anisotropic film by casting the coating fluid produced by the aforementioned process for production of the coating fluid in a thin film state, followed by drying.

Abstract: The present invention provides a method for manufacturing a laminate having a hydrophobic resin substrate and an orientation layer containing an organic dye, wherein the method comprises a step (1) of carrying out a plasma treatment on a surface of the hydrophobic resin substrate under an atmosphere having a nitrogen concentration of 80% or higher and a step (2) of forming the orientation layer containing the organic dye on the hydrophobic resin substrate by applying a solution containing the organic dye exhibiting lyotropic liquid crystallinity and a hydrophilic solvent on the surface of the hydrophobic resin substrate on which the plasma treatment is carried out and drying the solution. According to the method for manufacturing the laminate of the present invention, the solution may be applied on the hydrophobic resin substrate approximately uniformly and an excellent orientation layer having an extremely small number of defects may be formed.