Abstract: Provided is a light absorption anisotropic film capable of preparing an image display device having excellent display performance and excellent durability, and a laminate and an image display device formed of the light absorption anisotropic film. The light absorption anisotropic film is used for an image display device, which is formed of a liquid crystal composition containing a liquid crystal compound and a dichroic substance, in which in a signal derived from the dichroic substance detected by time-of-flight secondary ion mass spectrometry, a relationship between a maximum intensity Imax of the light absorption anisotropic film in a thickness direction and an intensity Isur1 in a surface of the light absorption anisotropic film on a viewing side of the image display device satisfies Expression (I-1) 2.0?Imax/Isur1.

Abstract: A light absorption anisotropic layer in which, when combined with a ?/4 plate to form a circularly polarizing plate, applying the circularly polarizing plate to a display device, and displaying a display screen in black, coloration is suppressed and utilization efficiency of infrared light is high, a laminate including the light absorption anisotropic layer, a display device, an infrared light irradiation device, and an infrared light sensing device. The light absorption anisotropic layer contains an organic dichroic coloring agent, and satisfies expressions (1) to (4). (1) P(450)>99%, (2) P(550)>99%, (3) P(650)>99%, and (4) A(750)<0.2, here, P(450) represents a polarization degree at a wavelength of 450 nm, P(550) represents a polarization degree at a wavelength of 550 nm, P(650) represents a polarization degree at a wavelength of 650 nm, and A(750) represents an average absorbance at a wavelength of 750 nm.

Abstract: An object of the present invention is to provide Provided is a light absorption anisotropic film, a laminate, an image display device, and a liquid crystal composition with excellent adhesiveness and a high alignment degree. The light absorption anisotropic film of the present invention is a light absorption anisotropic film is formed of a liquid crystal composition that contains a liquid crystal compound, a dichroic substance, and a boronic acid compound containing a polymerizable group, in which the liquid crystal compound is horizontally aligned.

Abstract: The present invention provides a light absorption anisotropic film excellent in adhesiveness to an adjacent layer, and a laminate and an image display device, in which the light absorption anisotropic film is used. The light absorption anisotropic film is formed from a liquid crystal composition that contains a high-molecular weight liquid crystal compound and a dichroic substance, and is a light absorption anisotropic film in which regarding a signal derived from the dichroic substance detected by a time-of-flight secondary ion mass spectrometry, a relationship between a maximum intensity Imax in a thickness direction of a film and an intensity Isur on at least one surface of the film satisfies Expression (I-1) 2?Imax/Isur.

Abstract: Provided is an optical laminate with excellent durability and an image display device formed of the optical laminate. The optical laminate includes a polarizer, a retardation layer including a cycloolefin-based polymer film, and a pressure sensitive adhesive layer in this order, in which the polarizer includes a protective layer on at least one side, and specific conditions are satisfied.

Abstract: Provided is an optical film and an optical laminate that achieve an image display device capable of an antireflection effect of external light and improvement of utilization efficiency of light emitted by a light emitting element when applied to a self-emission type image display device formed of an inorganic EL element, an organic EL element, or the like. The optical film includes a light absorption anisotropic film consisting of a cured substance of a liquid crystal composition that contains a polymerizable liquid crystal compound and a dichroic coloring agent compound, in which the light absorption anisotropic film has, in the same film surface, regions A and B where an inclination of an absorption axis with respect to a film surface is ?A and ?B, respectively, and ?A and ?B satisfy relationships of Expressions (1) |?A??B|?10° and (2) 0°??B?5°.

Abstract: An object of the present invention is to provide a polarizing element which has an excellent antireflection function in a case of being applied to an image display device; and a circularly polarizing plate and an image display device, each of which has the polarizing element. The polarizing element of an embodiment of the present invention is a polarizing element having an alignment film and an anisotropic light-absorbing film formed using a dichroic substance, in which the alignment film is a photoalignment film formed using a composition for forming a photoalignment film, including a photoactive compound having a polymerizable group and a photoreactive group, a degree S of alignment of the anisotropic light-absorbing film is 0.92 or more, and an average refractive index nave at a wavelength of 400 to 700 nm of the alignment film is 1.55 to 2.0.

Abstract: Provided is a light absorption anisotropic film capable of preparing an image display device having excellent display performance and excellent durability, and a laminate and an image display device formed of the light absorption anisotropic film. The light absorption anisotropic film is used for an image display device, which is formed of a liquid crystal composition containing a liquid crystal compound and a dichroic substance, in which in a signal derived from the dichroic substance detected by time-of-flight secondary ion mass spectrometry, a relationship between a maximum intensity Imax of the light absorption anisotropic film in a thickness direction and an intensity Isur1 in a surface of the light absorption anisotropic film on a viewing side of the image display device satisfies Expression (I-1) 2.0?Imax/Isur1.

Abstract: Provided is a composition for forming a photo-alignment film that improves a surface state of a liquid crystal layer having excellent liquid crystal alignment properties of the liquid crystal layer provided on a photo-alignment film, and an optical laminate formed of the composition. The composition includes a polymer A which has a repeating unit A1 containing a photo-aligned group and a repeating unit A2 containing a cationically polymerizable group, a polymer B which has a repeating unit B1 containing a cationically polymerizable group and does not contain a photo-aligned group, and at least one acid generator selected from the group consisting of a photoacid generator and a thermal acid generator, in which the polymer B has 90% by mass or greater of a repeating unit, in which a hydrogen bond element of a Hansen solubility parameter is less than 10.0, with respect to all repeating units of the polymer B.

Abstract: Provided is an optical laminate with excellent durability and an image display device formed of the optical laminate. The optical laminate includes a pressure sensitive adhesive layer 1, a specific laminate including a resin layer and a light absorption anisotropic layer which are adjacent to each other, and a pressure sensitive adhesive layer 2 in order, in which the light absorption anisotropic layer contains a dichroic substance, the pressure sensitive adhesive layer 1 is adjacent to the resin layer of the specific laminate, and a storage elastic modulus Ep of the pressure sensitive adhesive layer 1 and a storage elastic modulus Ea and a moist heat strain ?a of the resin layer satisfy Expression (1-1) ¼ (3 × Ep/Ea)? > ?a.

Abstract: An object of the present invention is to provide a laminate capable of preparing an image display device having excellent display performance and excellent discoloration resistance, and an image display device formed of the laminate. The laminate of the present invention is a laminate including two substrates, and a polarizer layer disposed between the two substrates, in which the polarizer layer contains one or more kinds of azo coloring agents having two or more azo bonds in a molecule, moisture permeabilities of the two substrates are 10?3 g/m2·day or less, and a content of moisture present between the two substrates is 0.9 g/m2 or less.

Abstract: Provided is an image display device including an optical laminate having, in order, a pressure-sensitive adhesive layer, a specific laminate including an alignment layer and an optically anisotropic layer which are adjacent to each other, and another pressure-sensitive adhesive layer in this order, in which the pressure-sensitive adhesive layers are adjacent to the two surfaces of the specific laminate. The specific laminate has a thickness of 15 ?m or less, the optically anisotropic layer has a thickness of 5 ?m or less, and a thickness d of the alignment layer and an elastic modulus E of the alignment layer satisfy Expression (1): ?E+0.45×d+3.6>0 (1), where d is in units of ?m, and E is in units of GPa.

Abstract: An object of the present invention is to provide a laminate including a light absorption anisotropic layer, in which a decrease in a degree of polarization is suppressed even in a case where the laminate is simultaneously stretched in a plurality of directions, and an optical device and a display device, each using the laminate. The laminate of an embodiment of the present invention is a laminate having at least a resin substrate and a light absorption anisotropic layer, in which a tan ? peak temperature of the resin substrate is 170° C. or lower, the light absorption anisotropic layer includes a liquid crystalline compound and a dichroic substance, and an alignment degree of the dichroic substance is 0.95 or more.

Abstract: Provided is a method for producing a light absorption anisotropic film having a three-dimensional shape and having excellent alignment, which is capable of manufacturing a light absorption anisotropic film having a high degree of polarization even where a three-dimensional shape is provided by heating molding. The method includes a step of producing an intermediate laminate having an optical coating film formed using a liquid crystal composition containing a liquid crystalline compound and a dichroic substance, and an alignment film; a step of heating the intermediate laminate produced by the film forming step to impart a three-dimensional shape; an aligning step of aligning a liquid crystalline component included in the optical coating film in the intermediate laminate imparted with the three-dimensional shape by the heating molding step to produce a light absorption anisotropic film; and a step of curing the light absorption anisotropic film produced by the aligning step.

Abstract: Provided is an image display device including an optical laminate having, in order, a pressure-sensitive adhesive layer, a specific laminate including an alignment layer and an optically anisotropic layer which are adjacent to each other, and another pressure-sensitive adhesive layer in this order, in which the pressure-sensitive adhesive layers are adjacent to the two surfaces of the specific laminate. The specific laminate has a thickness of 15 ?m or less, the optically anisotropic layer has a thickness of 5 ?m or less, and a thickness d of the alignment layer and an elastic modulus E of the alignment layer satisfy Expression (1): ?E+0.45×d+3.6>0 (1), where d is in units of ?m, and E is in units of GPa.

Abstract: The present invention provides: a laminate which has excellent moisture-heat resistance and includes a light-absorbing anisotropic layer sandwiched between pressure sensitive adhesive layers; and an image display device using the same. The laminate includes a pressure sensitive adhesive layer, a light-absorbing anisotropic layer, and a pressure sensitive adhesive layer in this order, in which the light-absorbing anisotropic layer contains an organic dichroic substance, a thickness of the light-absorbing anisotropic layer is 5 ?m or less, the pressure sensitive adhesive layer and the pressure sensitive adhesive layer are each a pressure sensitive adhesive layer at a closest position as viewed from the light-absorbing anisotropic layer in the laminate, and H represented by Expression (I) is 10.0 or less.

Abstract: The present invention provides a light absorption anisotropic film excellent in adhesiveness to an adjacent layer, and a laminate and an image display device, in which the light absorption anisotropic film is used. The light absorption anisotropic film is formed from a liquid crystal composition that contains a high-molecular weight liquid crystal compound and a dichroic substance, and is a light absorption anisotropic film in which regarding a signal derived from the dichroic substance detected by a time-of-flight secondary ion mass spectrometry, a relationship between a maximum intensity Imax in a thickness direction of a film and an intensity Isur on at least one surface of the film satisfies Expression (I-1) 2?Imax/Isur.

Abstract: An object of the present invention is to provide a polarizing element which has an excellent antireflection function in a case of being applied to an image display device; and a circularly polarizing plate and an image display device, each of which has the polarizing element. The polarizing element of an embodiment of the present invention is a polarizing element having an alignment film and an anisotropic light-absorbing film formed using a dichroic substance, in which the alignment film is a photoalignment film formed using a composition for forming a photoalignment film, including a photoactive compound having a polymerizable group and a photoreactive group, a degree S of alignment of the anisotropic light-absorbing film is 0.92 or more, and an average refractive index nave at a wavelength of 400 to 700 nm of the alignment film is 1.55 to 2.0.

Abstract: Provided are a film-forming composition containing a hydrolysate of a siloxane compound represented by Formula (1), silica particles, a ketone-based solvent, and water, and a manufacturing method of a laminate. In Formula (1), R1, R2, R3, and R4 each independently represent a monovalent organic group having 1 to 6 carbon atoms. n represents an integer of 2 to 20.

Abstract: Provided is a laminate including: a base material; and an anti-fogging layer provided on at least a part of the base material, in which the anti-fogging layer contains a siloxane binder, silica particles, and a water absorption organic polymer, the anti-fogging layer has a structure in which the silica particles are deposited, an irregular structure due to the silica particles is formed on a surface of the anti-fogging layer, and voids are formed inside the anti-fogging layer, a film density of the anti-fogging layer is in a range of 0.80 g/cm3 to 1.40 g/cm3, and a film thickness of the anti-fogging layer is in a range of more than 1 ?m and 10 ?m or less.