Abstract: An optical film that, when being used in an image display device, it is possible to suppress a change in redness with respect to an original image in images reflected in surroundings, a manufacturing method of a light absorption anisotropic layer, and an image display device. The optical film includes a light absorption anisotropic layer which contains a liquid crystalline compound and a dichroic substance, in which an angle ? between a transmittance central axis of the light absorption anisotropic layer and a normal direction of a surface of the light absorption anisotropic layer is 0° or more and 45° or less, and a haze value of the optical film is more than 1% and 20% or less.

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: Provided is a laminate capable of reducing a change in hue of a reflected image in the surroundings (for example, window glass) from an original image, suppressing a hue shift of particularly the reflected image to redness, and suppressing the reflected image from being conspicuous, a reflection prevention system including this laminate, and an image display device including this laminate. The laminate includes a polarizer having an absorption axis in an in-plane direction, a light absorption anisotropic layer containing a liquid crystal compound and a dichroic substance, and a linear polarization conversion layer, in which an angle between a transmittance central axis of the light absorption anisotropic layer and a normal line of a layer plane of the light absorption anisotropic layer is 0° or greater and 45° or less.

Abstract: Provided is a light absorption anisotropic film capable of suppressing reflection occurring between the light absorption anisotropic film and a layer disposed adjacent thereto, a laminate, and an image display device. The light absorption anisotropic film includes a dichroic substance, in which a polarization degree A measured by allowing polarized light to be incident from one surface of the light absorption anisotropic film is different from a polarization degree B measured by allowing polarized light to be incident from the other surface of the light absorption anisotropic film.

Abstract: Provided is an optically anisotropic film, an optical film, and a display device, which have a high contrast and excellent light fastness. The optically anisotropic film includes a liquid crystal compound and a dichroic substance, in which the liquid crystal compound is vertically aligned, the dichroic substance forms an arrangement structure, and in a case where, in a cross section observed with a scanning transmission electron microscope, a length of a major axis of the arrangement structure is defined as L, and a length of a minor axis of the arrangement structure is defined as D, 16 or more arrangement structures satisfying L?30 nm are observed per 40 ?m2.

Abstract: Provided is an optical film and an electroluminescence display device that suppress a decrease in transmittance of a front surface and suppress a change in tint in an oblique direction with respect to the front surface, in a case of being used in a micro LED. The optical film includes a light absorption anisotropic layer containing a dichroic coloring agent compound, in which the light absorption anisotropic layer has an absorption axis in a normal direction of the film and has an alignment degree of 0.7 or greater at 530 nm, and in a case where transmittances at 460 nm, 530 nm, and 630 nm in a direction of 45° with respect to the normal direction of the film are respectively defined as Tb, Tg, and Tr, relationships of Expressions 0.1?Tb/Tr?0.5 (1) and 0.2?Tg/Tr?0.6 (2) are satisfied.

Abstract: A light absorption anisotropic film, an optical film, and a liquid crystal display device, with less defects and a high alignment degree even when the concentration of a dichroic substance is increased. The light absorption anisotropic film is formed of a liquid crystal composition containing a liquid crystal compound, a dichroic substance represented by Formula (C-1), a dichroic substance represented by Formula (C-2), in which a total content of the dichroic substances represented by Formula (C-1) and Formula (C-2) is 4.5% by mass or greater with respect to a total mass of a solid content of the liquid crystal composition, and the liquid crystal compound is vertically aligned. When Ra1 and Ra2 represent the same group, —N(Rb11)(Rb12) and —N(Rb21)(Rb22) are groups different from each other. When Ra1 and Ra2 represent different groups, —N(Rb11)(Rb12) and —N(Rb21)(Rb22) may be groups that are the same as or different from each other.

Abstract: Provided is a light absorption anisotropic layer including a dichroic substance, in which a transmittance as viewed from a front direction is high and a transmittance as viewed from an oblique direction can be lowered, a laminate, an optical film, an image display device, and a backlight module. The light absorption anisotropic layer includes a liquid crystalline compound and at least one dichroic substance, in which the dichroic substance is aligned perpendicular to the film surface, and an alignment degree of the light absorption anisotropic layer at a wavelength of 550 nm is 0.95 or more.

Abstract: Provided is a reflective screen and a projection image display system in which a transmittance of light can be selectively changed, a transmittance in a transparent state is sufficiently high, a voltage does not need to be applied constantly, and a voltage is applied to decrease a transmittance of light in a case where the reflective screen is irradiated with video light.

Abstract: Provided is an optical film capable of neutralizing both the tint as viewed in a transmittance central axis direction and the tint as viewed in a direction inclined from a transmittance central axis, and an optical laminate and an image display device formed of this optical film.

Abstract: Provided is a viewing angle control system and an image display device which are capable of controlling the viewing angle of a display screen in a longitudinal direction and improving the visibility in a specific lateral direction. The viewing angle control system includes a polarizer, and a light absorption anisotropic layer, in which the polarizer has an in-plane absorption axis in a film, an angle ? between a transmittance central axis of the light absorption anisotropic layer and a normal line of the film is in a range of 0.1° to 45°, and an angle ? between a direction in which the transmittance central axis of the light absorption anisotropic layer is orthographically projected onto the film surface and the absorption axis of the polarizer is 0° or greater and less than 85°, greater than 95° and less than 265°, or greater than 275° and 360° or less.

Abstract: Provided is a reflective screen and a projection image display system in which a transmittance of light can be selectively changed, a transmittance in a transparent state is sufficiently high, a voltage does not need to be applied constantly, and a voltage is applied to decrease a transmittance of light in a case where the reflective screen is irradiated with video light.

Abstract: A liquid crystal display device includes a first polarizer, a liquid crystal cell, and a second polarizer in this order from a viewing side, in which a first light absorption anisotropic layer is disposed on the viewing side of the liquid crystal cell, a second light absorption anisotropic layer is disposed on a non-viewing side of the liquid crystal cell, the first and second polarizers each have an absorption axis in a film surface, the absorption axis of the first polarizer is orthogonal to the absorption axis of the second polarizer, an angle ?1 between a transmittance central axis of the first anisotropic layer and a normal line of the film is in a range of 0° to 45°, and an angle ?2 between a transmittance central axis of the second anisotropic layer and a normal line of the film is in a range of 0° to 45°.

Abstract: The present disclosure provides a crimp terminal in which a core wire is kept from coming loose. The crimp terminal 14 includes a plate-like crimp portion 15 that is to be crimped to a core wire of an electric wire by being deformed so as to wrap around the core wire, and a protruding portion 16 that protrudes from the inner surface of the crimp portion 15. A groove 21 that extends along a direction that intersects the extending direction of the core wire is provided in the protruding portion 16.

Abstract: Provided is an optical laminate having excellent resistance to the pressure from the surface and a display device including the same. The optical laminate includes a surface protective layer, a first pressure sensitive adhesive layer, a light absorption anisotropic layer, and a second pressure sensitive adhesive layer in this order, in which an indentation elastic modulus of the first pressure sensitive adhesive layer is greater than an indentation elastic modulus of the light absorption anisotropic layer, the light absorption anisotropic layer is a layer formed of a composition for forming a light absorption anisotropic layer containing a liquid crystal compound and a dichroic substance, and a thickness of the light absorption anisotropic layer is less than 5 ?m.

Abstract: A polymer liquid crystal compound with which a light absorption anisotropic film having a high alignment degree can be formed, a liquid crystalline composition, a light absorption anisotropic film which is formed of the liquid crystalline composition, a laminate, and an image display device. The liquid crystalline composition includes a polymer liquid crystal compound which contains a repeating unit represented by Formula (1) and a dichroic substance. In Formula (1), a difference between a log P value of P1, L1, and SP1 and a log P value of M1 is 4 or greater. In Formula (1), P1 represents a main chain of the repeating unit, L1 represents a single bond or a divalent linking group, SP1 represents a spacer group, M1 represents a mesogenic group, and T1 represents a terminal group.

Abstract: An object of the present invention is to provide a laminate in which the coloring of reflected light is reduced. The laminate includes an optical film having a light absorption anisotropic film formed using a composition including a dichroic substance and having a transmittance of more than 50%, a ?/4 plate, and a metal electrode in this order, in which in a case where a degree (%) of polarization at a wavelength of ? of the optical film is defined as P(?) and a reflectance (%) at the wavelength of ? of the metal electrode is defined as R(?), a ratio of a minimum value of R/P to a maximum value of R/P at wavelengths of 450 nm, 550 nm, and 650 nm is more than 85%.

Abstract: Provided is a light absorption anisotropic layer including a dichroic substance, in which a transmittance as viewed from a front direction is high and a transmittance as viewed from an oblique direction can be lowered, a laminate, an optical film, an image display device, and a backlight module. The light absorption anisotropic layer includes a liquid crystalline compound and at least one dichroic substance, in which the dichroic substance is aligned perpendicular to the film surface, and an alignment degree of the light absorption anisotropic layer at a wavelength of 550 nm is 0.95 or more.

Abstract: A second projector disposed so as to be opposed to a projection surface includes a projection section configured to project second image light on the projection surface on which a base image is displayed, and visibility of the base image on which the second image light is projected is made lower than in a state in which the second image light is not projected on the projection surface.

Abstract: A polyolefin microporous film includes: a polyethylene-based resin; and a polyolefin (B) other than polyethylene. The polyolefin microporous film has peaks at temperatures of lower than 150° C. and 150° C. or higher respectively in a differential scanning calorimeter (DSC). A half width of the peak at lower than 150° C. is 10° C. or lower. A puncture strength in terms of 10 ?m is 2.0 N or more.