Abstract:
An object is to provide a plant illumination apparatus that can output light having a high degree of circular polarization in the target wavelength range. This object is achieved by having a reflective-type polarizing plate having an effective wavelength range, a light-emitting device, and a reflective plate configured to reflect light emitted from the light-emitting device and satisfying: λ1>λ2,λ2>λ3, and w>30 nm wherein λ1 is the center wavelength of the effective wavelength range of the reflective-type polarizing plate, λ2 is the center wavelength of the light-emitting device, w is the full width at half maximum of the transmittance of the reflective-type polarizing plate, and λ3 is the shorter wavelength of the wavelengths at the full width at half maximum.
Abstract:
An optical laminate includes a cholesteric liquid crystal layer and a lenticular lens which is laminated on the cholesteric liquid crystal layer, the cholesteric liquid crystal layer has a plurality of regions which are arranged in a pattern in an arrangement direction of lenses of the lenticular lens and are different from each other in terms of the reflection center wavelength for front incident light, and among the plurality of regions, a region having the shortest reflection center wavelength is disposed at a focus position of the lenticular lens for the front incident light, and among the plurality of regions, a region having a longer reflection center wavelength is disposed further away from the focus position.
Abstract:
The present invention provides a viewing system capable of providing varying visual effects with a simpler configuration. In addition, the present invention also provides a display device, a stage installation, and a polymerizable liquid crystal composition. A viewing system according to the present invention is a viewing system for viewing an object to be irradiated including a light source unit, and the object to be irradiated with light emitted from the light source unit, in which the object to be irradiated includes a member, and a first circularly polarized light reflecting layer that is arranged on the member and reflects either right-handed circularly polarized light or left-handed circularly polarized light, the light source unit is capable of emitting light to be switchable between either right-handed circularly polarized light or left-handed circularly polarized light that is reflected by the first circularly polarized light reflecting layer or natural light, and circularly polarized light having a revolution direction opposite to a revolution direction of the circularly polarized light reflected by the first circularly polarized light reflecting layer, and color of the object to be irradiated is changed by switching light emitted from the light source unit.
Abstract:
To provide a decorative film capable of applying a visual effect of making a pattern not visually recognizable, in a case where it is seen from the front, and making it visually recognizable, in a case where it is obliquely seen. a circular polarization plate including a linear polarization plate, and a laminate of a uniaxial retardation layer or a biaxial retardation layer; and a circularly polarized light reflection layer which reflects circularly polarized light having a revolution direction opposite to that of light transmitted through the circular polarization plate in a vertical direction from the linear polarization plate side are included.
Abstract:
The present invention provides an optical film exhibiting high alignment and good phase difference development in an oblique direction, and a polarizing plate and an image display device using the same. This optical film of the present invention has a substrate; and a phase difference layer which is provided on the substrate to be adjacent to the substrate, in which the phase difference layer is a layer formed by fixing vertical alignment of a liquid crystal compound having a polymerizable group included in a liquid crystal composition containing the liquid crystal compound and a polymer compound, a difference in δa value between the polymer compound and the substrate, which is calculated using three-dimensional SP values, is 3 or less, and a content of the polymer compound is less than 10 parts by mass with respect to 100 parts by mass of the liquid crystal compound.
Abstract:
A transmission decorative film includes a circular polarization plate and a circular polarization reflection layer disposed on the circular polarization plate. The circular polarization reflection layer includes at least one or more first cholesteric liquid crystalline layers that reflect any one of left circularly polarized light or right circularly polarized light. The first cholesteric liquid crystalline layer includes two or more reflection regions having different selective reflection wavelengths. The circular polarization plate transmits circularly polarized light having a revolution direction opposite to a revolution direction of the circularly polarized light reflected by the first cholesteric liquid crystalline layer.
Abstract:
The present invention provides a member for displaying a projected image and a projected image display system in which a clear image can be displayed with high reflectivity and high transmittance without a double image, the member for displaying a projected image including a reflection layer, and a λ/2 phase difference layer, in which the reflection layer includes a cholesteric liquid crystal layer having selective reflection in a visible light range, and the projected image display system including the member for displaying a projected image, in which the λ/2 phase difference layer is disposed on an incidence ray side with respect to the reflection layer, and the incidence ray is p-polarized light which vibrates in a direction parallel to an incidence surface.
Abstract:
An object of the present invention is to provide a transmission decorative film having transparency and capable of applying different visual effects on observation surfaces. The transmission decorative film includes: a linear polarization plate; a first λ/4 plate laminated on one main surface of the linear polarization plate; a first cholesteric liquid crystalline layer laminated on the first λ/4 plate; a second λ/4 plate laminated on the other main surface of the linear polarization plate; and a second cholesteric liquid crystalline layer laminated on the second λ/4 plate, in which the first cholesteric liquid crystalline layer and the second cholesteric liquid crystalline layer respectively have wavelength selective reflectivity and reflect light which is right circularly polarized light or left circularly polarized light at a selective reflection wavelength.
Abstract:
A vehicle mirror with an image display function includes a half mirror which includes a high-Re retardation film and a reflection layer and an image display device on the half mirror, in which the high-Re retardation film, the reflection layer, and the image display device are disposed in this order, the high-Re retardation film has a front phase difference of 5000 nm or greater, and the reflection layer is a linear polarization reflection layer or a circular polarization reflection layer.
Abstract:
Provided is an optical film which is resistant to repelling, bright dots, irregularity, and the use of such an optical film in a liquid crystal display leads to high front contrast, reduced grayscale inversion, and a reduced difference between a front image and an oblique image in grayscale reproducibility and color. The optical film including a first optically anisotropic layer; and a second optically anisotropic layer on the first optically anisotropic layer, wherein the first optically anisotropic layer is a layer of liquid crystal compounds aligned and fixed by polymerization, and the surface tilt angle of molecules of the liquid crystal compound is in a range of 5° to 80° at a site in contact with the second optically anisotropic layer.