Abstract: Display performance can be improved by reducing light leak in an oblique direction at the time of black display while increasing front brightness.

Abstract: Provided are a laminated glass capable of achieving distant projection of a virtual image in a HUD and a large screen and furthermore capable of solving a double image, and a HUD using this laminated glass. The laminated glass includes two glass plates, an intermediate film provided between the two glass plates, and a cholesteric liquid crystal layer. The cholesteric liquid crystal layer has a liquid crystal alignment pattern in which a direction of a molecular axis of the liquid crystal compound changes while continuously rotating along at least one in-plane direction on at least one main surface, and a bright portion and a dark portion derived from a cholesteric liquid crystalline phase in a cross-section, which are observed by a scanning electron microscope, are tilted with respect to the main surfaces.

Abstract: Objects are to provide a projection-image-displaying laminate film that enables, when used for, for example, a HUD, displaying of undistorted projection images of high-quality screen images, a laminated glass using the projection-image-displaying laminate film, and an image display system using the laminated glass. The objects are achieved with a projection-image-displaying laminate film including a half-mirror film including a selective reflection layer configured to wavelength-selectively reflect light, and a heat-sealing layer disposed on one surface of the half-mirror film, wherein the half-mirror film has a stiffness at 25° C. of 4.0 N·mm or less, and the heat-sealing layer has a thickness of 40 ?m or less, contains a thermoplastic resin, and has a surface opposite from the half-mirror film, the surface having a static coefficient of friction of 1.0 or less.

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.

Abstract: It is an object of the present invention to provide a projection image-displaying member having excellent suitability for polarizing sunglasses, a windshield glass, and a head-up display system. The projection image-displaying member has a first polarization converting layer, at least one selectively reflecting layer, and a second polarization converting layer in this order. The first polarization converting layer and the second polarization converting layer are layers formed by fixing a helical alignment structure of a liquid crystal compound. The number of pitches in the helical alignment structure and a film thickness satisfy all relational expressions below. When the first polarization converting layer has a number of pitches x1 and a film thickness y1 (unit: ?m), 0.3?x1?2.0 and??(i) y1?1.86x1+0.13.??(ii) When the second polarization converting layer has a number of pitches x2 and a film thickness y2 (unit: ?m), 0.25?x2?2.0,??(iii) y2?1.37x2+5.5, and??(iv) y2?1.37x2+0.25.

Abstract: Provided are a decorative film for molding including a cholesteric liquid crystal layer on a base material, in which the cholesteric liquid crystal layer is a layer formed by curing a liquid crystal composition which includes, with respect to a total solid content of the liquid crystal composition, 25% by mass or more of a cholesteric liquid crystal compound having one ethylenic unsaturated group or one cyclic ether group; a molded product using the decorative film for molding; and a molding method.

Abstract: Provided are a projection image display member having a high visible light transmittance, suppressing a double image of a display image, and having excellent suitability of polarized sunglasses for incident light reflected from external light, a windshield glass using the projection image display member, and a head-up display system. The problem is solved such that one or more phase difference layers, one or more selective reflection layers, and one or more polarization conversion layers are provided in this order, the polarization conversion layer being a layer in which a helical alignment structure of a liquid crystal compound is fixed, and the number of pitches x of the helical alignment structure and a film thickness y (?m) of the polarization conversion layer satisfying “0.3?x?7.0”, “0.5?y?6.0”, “y?0.7x+3.2”, and “y?0.7x?1.4”.

Abstract: Provided is a display capable of displaying augmented reality (AR) in which background visibility is maintained and a hotspot is not visible. The display includes, at least: a transparent screen; a projection device for projecting a projection image on the transparent screen; and a sheet-shaped light guide plate for guiding the projection image, in which the projection device is disposed so that light of the projection image is incident from an end portion of the light guide plate, and the transparent screen is attached to at least one of main surfaces of the light guide plate.

Abstract: An object is to provide an optical element that is thin and can gather and reflect light in a specific wavelength range in a predetermined direction, and a sensor including the above-described optical element. The optical element includes a cholesteric liquid crystal layer, in which the cholesteric liquid crystal layer has a liquid crystal alignment pattern in which a direction of an optical axis derived from a liquid crystal compound changes while continuously rotating in at least one in-plane direction, and in a case where a length over which the direction of the optical axis rotates by 180° in the in-plane direction in which the direction of the optical axis changes while continuously rotating is set as a single period, the cholesteric liquid crystal layer has in-plane regions having different lengths of the single periods in the liquid crystal alignment pattern.

Abstract: An object is to provide an optical element that is thin and can gather and reflect light in a specific wavelength range in a predetermined direction, and a sensor including the above-described optical element. The optical element includes a cholesteric liquid crystal layer, in which the cholesteric liquid crystal layer has a liquid crystal alignment pattern in which a direction of an optical axis derived from a liquid crystal compound changes while continuously rotating in at least one in-plane direction, and in a case where a length over which the direction of the optical axis rotates by 180° in the in-plane direction in which the direction of the optical axis changes while continuously rotating is set as a single period, the cholesteric liquid crystal layer has in-plane regions having different lengths of the single periods in the liquid crystal alignment pattern.

Abstract: According to the present invention, it is possible to provide a wearable display device having good background visibility, a wide visual angle capable of viewing projected images, and a simple structure. The wearable display device includes at least a transparent screen and a projection device which projects an image on the transparent screen, in which a magnifying lens for viewing the image reflected from the transparent screen is disposed on a viewing side to cover at least a part of the transparent screen.

Abstract: An object of the invention is to provide an optical laminated film capable of detecting a light polarization state with a simple configuration using components which are superior in productivity and have high versatility, and a polarization imaging sensor using the optical laminated film.

Abstract: An object of the present invention is to provide a decorative sheet exhibiting high lustrousness even when observed from a direction deviated from a specular reflection of illumination light, and a liquid crystal display device and an automobile interior material each using the decorative sheet. The object is achieved by a decorative sheet including a cholesteric liquid crystal layer having wavelength-selective reflectivity and satisfying Expression (1), R[?45,20](?1)/R[?45,20](?2)?5??Expression (1).

Abstract: The present invention provides a transparent screen which is excellent in transparency and in which a reflection part contour at the time of not displaying an image is unlikely to be recognized. An optical sheet of the present invention includes a substrate; and a cholesteric liquid crystal layer on the substrate, in which the entire cholesteric liquid crystal layer is surrounded by an imaginary contour line, the cholesteric liquid crystal layer has a uniform region and a modulation region that is located between the uniform region and at least a part of the imaginary contour line, a shortest distance between the imaginary contour line and the uniform region is 10 mm or longer, and a reflectance of the modulation region monotonously decreases from the uniform region side toward the imaginary contour line side.

Abstract: Provided are a decorative film including, in the following order, a temporary support, a colored layer, a cholesteric liquid crystal layer, and a protective layer, in which the decorative film is a film for viewing the colored layer through the cholesteric liquid crystal layer; a decoration method or a method for manufacturing a decorative molded article; and a decorative molded film including, in the following order, a base material, a colored layer, a cholesteric liquid crystal layer, and a protective layer, or including, in the following order, a colored layer, a cholesteric liquid crystal layer, a base material, and a protective layer, in which the decorative molded film is a film for viewing the colored layer through the cholesteric liquid crystal layer.

Abstract: An optical device includes a polarizing plate; a composite film which contains a liquid crystal compound aligned in a thickness direction and a photochromic material and in which optical characteristics of the photochromic material are changed by emitting light and a light transmittance in the thickness direction becomes smaller than a light transmittance in a direction orthogonal to the thickness; and a light-emitting unit which emits light changing the optical characteristics of the photochromic material of the composite film.

Abstract: Provided is an optical film having high contrast and excellent visibility. The optical film includes: a transparent screen; and a transparent reflecting layer that is disposed on one main surface of the transparent screen, in which in the transparent screen, a ratio T15/T30 of a light amount T15 of transmitted light at an angle of 15 degrees with respect to a normal direction of the main surface to a light amount T30 of transmitted light at an angle of 30 degrees with respect to the normal direction of the main surface is 2.0 or higher, and the ratio R15/R30 of the light amount R15 of reflected light at an angle of 15 degrees with respect to the normal direction of the main surface to the light amount R30 of reflected light at an angle of 30 degrees with respect to the normal direction of the main surface is 2.0 or lower.

Abstract: Provided is a display device capable of switching between a wide viewing angle and a narrow viewing angle with a simple configuration and simple control. The problem is solved by providing a display element and an optical switching element which is disposed on a visible side of the display element, in which the optical switching element has a light guiding plate and a light source for causing light to be incident on an end surface of the light guiding plate, and 80% or more of the light emitted from the light guiding plate when the light source is turned on is emitted to a region at an angle of 30° or more with respect to a normal line of the light guiding plate on a surface on the opposite side of the display element.

Abstract: An optical device includes a first polarizer which has an absorption axis in a thickness direction; a second polarizer which has an absorption axis in a thickness direction; and a functional layer which is disposed between the first polarizer and the second polarizer and is capable of switching between a state in which an in-plane retardation is 0 and a state in which an in-plane retardation is greater than 0. A display device includes a display element; and the optical device.

Abstract: There are provided a screen image-displaying laminated glass that reduces the distortion of a projected display image, a method for producing the screen image-displaying laminated glass, and a screen image display system including the screen image-displaying laminated glass. The screen image-displaying laminated glass has a half-mirror film that has a transparent support and that has a selectively reflecting layer which wavelength-selectively reflects light, a first glass plate disposed on one surface of the half-mirror film, and a second glass plate disposed on the other surface of the half-mirror film. The longitudinal directions of bright and dark lines observed by a magic mirror method match each other at the first glass plate, the second glass plate, and the transparent support.