摘要:
According to the invention, provided are a combiner including: a projected image display portion on which a projected image is displayed with projected light; and a base material; in which the projected image display portion at least includes a half-mirror film, the half-mirror film and the base material are provided in this order from an incidence side of the projected light, the half-mirror film includes two or more cholesteric liquid crystal layers, center wavelengths of selective reflection of the two or more cholesteric liquid crystal layers are different from each other, and the cholesteric liquid crystal layer closest to the incidence side of the projected light has the longest center wavelength of selective reflection, and a head-up display system including a projected image display member. The combiner makes it possible to display a projected image having high brightness, in which the generation of a double image is reduced.
摘要:
A color filter for use in a light-emitting display element which emits at least white light, the color filter including a circularly polarizing layer which includes a polarizing layer, the polarizing layer having an orientation layer and a liquid crystal compound layer, wherein the circularly polarizing layer is formed only in an optical path of the white light.
摘要:
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.
摘要:
Provided are a plant-growth laminated film and a plant-growth illumination apparatus that more efficiently provide circularly polarized light used for plant growth. Included are a reflective-type linearly polarizing plate that transmits one of linearly polarized light components of incident light and that reflects the other linearly polarized light component, and a λ/4 plate that converts, into circularly polarized light, linearly polarized light provided by transmission through the reflective-type linearly polarizing plate, wherein the λ/4 plate has an in-plane retardation of 165 ± 40 nm at a wavelength of 660 nm.
摘要:
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.
摘要:
The invention provides a method of sensing a target object due to a change in light intensity detected when the target object passes to cross a light path of circularly polarized light, in a state where circularly polarized light selectively including any one sense of right circularly polarized light and left circularly polarized light is sensed, and a system including: an emission unit which emits circularly polarized light; a target object movement unit; and a detection unit which senses circularly polarized light, in this order, in which the detection unit is at a position where light emitted from the emission unit is incident, a light path of light where the light emitted from the emission unit is incident to the detection unit intersects with the target object movement unit, and the sense of circularly polarized light selectively emitted by the emission unit and the sense of circularly polarized light selectively sensed by the detection unit are the same as each other. It is possible to sense various target objects by using an optical sensor with excellent sensitivity and decreased erroneous sensing in an arbitrary environment, by using the method and the system of the invention.
摘要:
The present invention provides an illumination apparatus for plant cultivation, including a unit configured to change light in any wavelength region of 300 nm or higher and 600 nm or lower (wavelengths of 452 nm to 474 nm, for example) to light in the wavelength region having dominantly a right-circularly polarized light component.The illumination apparatus of the present invention enables irradiation with light that is capable of giving a specific effect in plant cultivation.
摘要:
According to the present invention, provided is a system for irradiating a target object selectively with specific circularly polarized light, comprising a polarization-state control member that controls the polarization state of light to thereby generate circularly polarized light; and a circularly polarized light-reflecting member, wherein the circularly polarized light-reflecting member is disposed at a position on which the circularly polarized light emitted from the polarization-state control member can be incident; the circularly polarized light-reflecting member generates reflected light that selectively comprises circularly polarized light of the same sense as the incident circularly polarized light from the polarization-state control member; and the circularly polarized light-reflecting member is disposed such that the target object can be irradiated with at least a part of the reflected light.