Abstract:
An aspect of the present invention relates to a liquid crystal panel including a visible side polarizing plate, a liquid crystal cell, and a backlight side polarizing plate, in which the backlight side polarizing plate is a reflective polarizing plate of which a degree of polarization P550 nm with respect to light at a wavelength of 550 nm is greater than or equal to 99.90%, and the reflective polarizing plate and the liquid crystal cell are integrally laminated, a liquid crystal display device, and a reflective polarizing plate and a manufacturing method thereof.
Abstract:
Provided is a wavelength conversion member, including: a wavelength conversion layer containing a quantum dot which is excited by excitation light and emits fluorescent light; and an adjacent layer directly laminated on the wavelength conversion layer, in which the shape of an interface between the wavelength conversion layer and the adjacent layer includes an irregular shape formed of a concave portion and a convex portion. Provided are a backlight unit, a polarizing plate, a liquid crystal panel, and a liquid crystal display device: including the wavelength conversion member.
Abstract:
Provided is a liquid crystal display device including a liquid crystal cell 21, a backlight side polarizer 12, an optical thin film 1 which forms an air interface, and a backlight unit 31, in this order. The liquid crystal display device satisfies n (535)
Abstract:
The light emitting screen of the present invention includes: a blue light emitting layer emitting blue light by being excited with first excitation light; a green light emitting layer which is disposed on the blue light emitting layer and emits green light by being excited with second excitation light; a red light emitting layer which is disposed on the green light emitting layer and emits red light by being excited with third excitation light; a first selective reflection layer which is disposed between the blue light emitting layer and the green light emitting layer; and a second selective reflection layer which is disposed between the green light emitting layer and the red light emitting layer, wherein the blue light emitting layer, the green light emitting layer, and the red light emitting layer contain quantum rods or quantum dots.
Abstract:
A VA-mode liquid crystal display device of four domains or less that causes less whitening and tinting, includes: a first polarizing film, a first retardation layer, a second retardation layer, a liquid crystal layer, a third retardation layer, a fourth retardation layer, and a second polarizing film, in sequence. The liquid crystal layer is in a vertical alignment mode (VA mode) under no voltage application. The first to fourth retardation layers each have a predetermined retardation. The absorption axis of the first polarizing film is orthogonal to that of the second polarizing film. The slow axis of the first retardation layer defines an angle of 45° from the absorption axis of the first polarizing film, and is parallel to the in-plane slow axis of the liquid crystal layer under voltage application. The slow axis of the first retardation layer is orthogonal to that of the fourth retardation layer.
Abstract:
A VA-mode LCD device of four domains or less includes a first polarizing film; a first retardation layer; a second retardation layer; a liquid crystal layer; a third retardation layer; and a second polarizing film, wherein the first retardation layer has Re (550) of 190 to 260 nm, and Rth (550) of 80 to 130 nm, a slow axis of the first retardation layer and the absorption axis of the first polarizing film define an angle of 45°, the absolute value of a Re (550) of the second retardation layer is not larger than 10 nm, while a Rth (550) of the second retardation layer is 150 to 350 nm, a Re (550) of the third retardation layer is 190 to 260 nm, while a Rth (550) of the third retardation layer is −80 to −130 nm, and a Δnd of the liquid crystal layer is 250 to 450 nm.
Abstract:
An object of the present invention to provide an optical element which can improve utilization efficiency of spectrally separated light. The object is achieved by including a liquid crystal diffraction element and a prism having a first surface which is in direct contact with the liquid crystal diffraction element or is in contact with the liquid crystal diffraction element through another layer, in which the liquid crystal diffraction element includes an optically anisotropic layer having a liquid crystal alignment pattern in which an orientation of an optical axis derived from a liquid crystal compound changes while continuously rotating in at least one in-plane direction, and the prism has a second surface which reflects one of separated light by diffraction of the liquid crystal diffraction element.
Abstract:
A thin metasurface structure where a phase difference of transmitted electromagnetic waves is large and a transmittance with respect to the electromagnetic waves is also high. A metasurface structure that acts on electromagnetic waves having a frequency of 10 THz or less and is obtained by laminating a first structure layer where first metal microstructures are arranged, a second structure layer where second metal microstructures are arranged, a third structure layer where third metal microstructures are arranged, and a fourth structure layer where fourth metal microstructures are arranged to be spaced from each other.
Abstract:
An optical member capable of achieving reduction in size while suppressing a loss of electromagnetic waves by using a metasurface structure, and an optical device including the optical member. The optical member includes a substrate; and a metasurface structure that has a plurality of microstructures arranged to be provided on at least one surface of the substrate, in which at least a part of the optical member has a curved shape.
Abstract:
Provide are an optical element that can improve a utilization efficiency of light while increasing an optical path length, an image display unit, and a head-mounted display. The optical element includes, in the following order: a first absorptive linearly polarizing plate; a first reflective linearly polarizing plate; a first retardation plate; a partially reflecting mirror; a second retardation plate; and a second reflective linearly polarizing plate, in which a turning direction of circularly polarized light that is reflected from the first reflective linearly polarizing plate in a case where light transmits through the first retardation plate and is incident into the first reflective linearly polarizing plate is opposite to a turning direction of circularly polarized light that is reflected from the second reflective linearly polarizing plate in a case where light transmits through the second retardation plate and is incident into the second reflective linearly polarizing plate.