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:
According to the present invention, a birefringence pattern transfer foil, comprising at least one patterned optically anisotropic layer having two or more regions of differing birefringence and at least one adhesive layer on a temporary support, characterized in that a blocking prevention means is provided to the adhesive layer and/or characterized in that the retardation of the adhesive layer is 40 nm or less is provided. The birefringence pattern transfer foil of the present invention has excellent applicability and handling, and can be used on a variety of subjects.
Abstract:
Provided is a depolarizing film including a depolarizing layer composed of a first region and a second region having differing optical characteristics, wherein in the depolarizing layer, the ratio between the area of the first region and the area of the second region is 0.45:0.55 to 0.55:0.45, the first region is an optically anisotropic region causing 90° optical rotation of light that is incident on one surface of the depolarizing layer before the light is emitted from the other surface, and the second region is an optically isotropic region having optical isotropy.
Abstract:
A pigment dispersion liquid includes a pigment dispersant; and a pigment, in which the pigment dispersant is a graft type silicone polymer denoted by General Formula 1. In General Formula 1, R1 to R10, R15 and R16 represent a hydrogen atom, a hydroxy group, an aryl group, or an alkyl group having 1 to 3 carbon atoms; R11 and R12 represent an arylene group or an alkylene group having 1 to 3 carbon atoms; Y and Z represent a single bond or a divalent organic linking group; A represents a group having a pigment adsorption portion; B represents a group having a structure denoted by General Formula 2; 1 and n represent an integer of greater than or equal to 1; m represents an integer of greater than or equal to 0; and k represents an integer of greater than or equal to 1.
Abstract:
Provided is a reflective sheet that includes a reflective layer having a wide reflection wavelength range, excellent diffusion reflection properties, and inconspicuous defects. The reflective sheet includes a plurality of reflective layers that are laminated, the reflective layers being obtained by immobilizing a cholesteric liquid crystalline phase, in a cross-section of the reflective layer observed with a scanning electron microscope, at least a part of bright portions and dark portions derived from the cholesteric liquid crystalline phase has a flapping structure, a helical pitch in one or more reflective layers changes in a thickness direction, and a thickness of a reflective layer that is formed on a surface other than a surface of the reflective layer is less than those of other reflective layers.
Abstract:
There is provided a polarization film, a visible latent image article, and a manufacturing method thereof enabling a latent image using a birefringent property to be provided in a visualized state. A polarization film includes a polarization layer transmitting a specific linear polarization component, a circular polarization component, or an elliptical polarization component, and an adhesive layer, a tensile modulus of elasticity E of the polarization film is 0.01 GPa to 7.8 GPa, and a thickness h of the polarization film is 60 μm to 300 μm, and in a visible latent image article which includes the polarization film and the article having a birefringent pattern, the polarization film is peelably affixed to the article having a birefringent pattern through the adhesive layer, and thus a latent image due to the birefringent pattern is visible by the polarization film.
Abstract:
A laminate, a manufacturing method of a laminate, and a virtual reality display apparatus, in which display performance of the virtual reality display apparatus can be improved in a case where the laminate including a light absorption anisotropic layer is introduced into the virtual reality display apparatus. The laminate includes an alignment film and a light absorption anisotropic layer provided on the alignment film, in which the light absorption anisotropic layer contains a liquid crystal compound and a dichroic substance, and a film thickness variation of the alignment film is 10% or less.
Abstract:
A first object of the present invention is to provide a liquid crystalline composition capable of forming a film having excellent light resistance and also having excellent alignment properties of a liquid crystal compound in the film. In addition, a second object of the present invention is to provide a cured product obtained from the liquid crystalline composition, an optically anisotropic layer, an optical element, and a light guide element. The liquid crystalline composition of the present invention is a liquid crystalline composition containing a compound A and an antioxidant, in which the compound A is a compound having a partial structure represented by Formula (I), in a case where the compound A exhibits liquid crystallinity and the composition does not contain a liquid crystal compound B having a structure different from a structure of the compound A, a distance ΔHSP between a HSP value of the antioxidant and a HSP value of the compound A is 10.5 MPa0.5 or less, and in a case where the composition contains the liquid crystal compound B, a distance ΔHSP between the HSP value of the antioxidant, and an average HSP value of the HSP value of the compound A and a HSP value of the liquid crystal compound B is 10.5 MPa0.5 or less.
In Formula (I), A1 and A2 each independently represent an aromatic hydrocarbon ring group or an aromatic heterocyclic group, which may have a substituent. * represents a bonding position.
Abstract:
Provided are a transfer-type decorative sheet and a method of manufacturing a transfer-type decorative sheet, the transfer-type decorative sheet including a decorative layer that has excellent peelability from a temporary support and excellent glossiness in case of being seen from an oblique direction. The transfer-type decorative sheet includes: a temporary support; an underlayer that is peelable from and disposed on one surface of the temporary support; and a decorative layer that is disposed on the underlayer, in which the decorative layer includes at least one cholesteric liquid crystal layer, the underlayer is a layer that is formed of a composition including a monomer having one or two polymerizable groups, and a water contact angle of the underlayer is 50° or more.
Abstract:
Provided is an organic EL display device in which blue brightness is improved, and an antireflection function in an oblique direction is enhanced. The problem is solved by ensuring that a polarizer, a phase difference layer, a circularly polarized light separating layer, and a light emitting element are provided from a viewing side, an in-plane retardation Re(550) of the phase difference layer is set to 100 to 160 nm, the circularly polarized light separating layer is a cholesteric liquid crystal layer having a selective reflection center wavelength in a range of 425 to 475 nm, and a sum of retardations Rth(550) in a thickness direction of members arranged between the polarizer and the light emitting element is set to −50 to 50 nm.