Abstract:
A light absorption anisotropic layer which has a high S/N ratio for generating polarized light with respect to rays in an infrared wavelength region, is lightweight, and has excellent handleability, a laminate, and a sensor system including the light absorption anisotropic layer or the laminate. The light absorption anisotropic layer contains a dichroic coloring agent having a maximal absorption at a wavelength of 700 to 1500 nm, in which an average absorbance at a wavelength of 850 nm is 0.24 to 0.50 and a thickness is 5 μm or less.
Abstract:
An object of the present invention is to provide a phase difference plate for an organic EL display device having excellent light resistance, an organic EL display device, and a method for producing a phase difference plate. The phase difference plate for an organic EL display device of an embodiment of the present invention is a phase difference plate for an organic EL display device having a phase difference layer formed from a composition containing a copolymer having both of a repeating unit A including a photo-alignment group and a repeating unit B including a moiety capable of expressing birefringence having reciprocal wavelength dispersion, in which the photo-alignment group includes a double bond structure of C═C or C═N.
Abstract:
An optical film is an optical film in which a cholesteric liquid crystalline phase is fixed and a helical axis of the cholesteric liquid crystalline phase is aligned in an in-plane uniaxial direction, and an Nz is 0.2 to 0.75.
Abstract:
Provided is a polarizing film showing high dichroism comprising a substrate, and a photo alignment film and a light absorption anisotropic film laminated on the substrate in this order. The light absorption anisotropic film is obtained by fixing the alignment of a dichroic dye composition comprising at least one nematic liquid crystalline azo dichroic dye and in X-ray diffraction measurement thereof, diffraction peaks derived from periodic structure along a vertical direction to the alignment axis are present, the period indicated by at least one of the diffraction peaks is 3.0 to 15.0 Å and an intensity of the diffraction peak does not show a maximum value in the range of ±70° of the film normal line direction in a plane vertical to the alignment axis.
Abstract:
To suppress a phenomenon where an optical axis of the optically anisotropic layer is tilted when the optically anisotropic layer is produced by using a liquid crystalline compound showing smectic phase as a materials showing a higher level of orderliness. An optically anisotropic layer wherein a polymerizable composition, containing one or more polymerizable rod-like liquid crystal compound showing a smectic phase, is fixed in a state of smectic phase, and a direction of maximum refractive index of the optically anisotropic layer is inclined at 10° or smaller to the surface of the optically anisotropic layer, a method for manufacturing the same, a laminate and a method for manufacturing the same, a polarizing plate, a liquid crystal display device, and an organic EL display device.
Abstract:
An optical film comprising a transparent support, and thereon, an alignment layer comprising at least one photo-acid-generating agent, and an optically anisotropic layer formed of a composition comprising a liquid crystal having a polymerizable group as a main ingredient is disclosed. The optically anisotropic layer is an optically anisotropic patterned layer comprising a first retardation domain and a second retardation domain disposed alternately in a plane.
Abstract:
Stereo image print observable without polarized glasses, having: a transparent support; first laminate and second laminate disposed on a front surface and a back surface, respectively, of the transparent support, each laminate having an image layer satisfying condition (1) and protective layer having at least one layer satisfying condition (2), the image layer and the protective layer being disposed in this order from the transparent support side: (1) each image layer has a dichroic image including pixels for a left eye and pixels for a right eye arranged in a predetermined array, each pixel has at least one horizontally aligned dichroic dye, and absorption axes of the dichroic images included in the first and the second laminates are orthogonal to each other, (2) the protective layer has an in-plane retardation value (Re) of 10 nm or less for visible light; and a linearly polarizing layer satisfying the according to predefined condition.
Abstract:
A laminate comprising a transparent support and, as formed on the transparent support, a patterned alignment control layer containing a first alignment control region and a second alignment control region each having an alignment control surface, in which the two regions differ from each other in point of the composition thereof and in point of the alignment-controlling capability thereof, in which the individual alignment control surfaces are alternately positioned in the patterned alignment control layer, and in which the alignment control surfaces of the first alignment control region and the second alignment control region can control liquid crystals in such a manner that the long axes of the aligned liquid crystals could be vertical to each other in the plane parallel to the alignment control surfaces.
Abstract:
Provided is a stereo image print observable without polarized glasses, having a transparent support; first and second laminate disposed on a surface, respectively, of the transparent support, each laminate having an image layer satisfying condition (1) and a protective layer having at least one layer satisfying condition (2), the image layer and the protective layer being disposed in this order from the transparent support side: (1) each image layer has a dichroic image including pixels for a left eye and pixels for a right eye arranged in a predetermined array, each pixel having at least one kind of horizontally aligned dichroic dye, and absorption axes of the dichroic images in the first and the second laminates are orthogonal to each other, (2) the protective layer has an in-plane retardation value (Re) 10 mm or less for visible light.
Abstract:
Provided is a photochromic polarizing plate exhibiting reduced tint. The photochromic polarizing plate contains a laminate including at least one film, a polarizer, and an optically transparent substrate, wherein the photochromic polarizing plate has a single-plate transmittance T1(λ)% and a crossed transmittance T2(λ)% at a wavelength of λ nm satisfying Formulae (1) to (4): Formula (1) 55%≧T1(430)≧38%; Formula (2) 60%≧T1(590)≧42.5%; Formula (3) 1.0≧T1(430)/T1(590)≧0.9; and Formula (4) T2(430)>0.02%.