Abstract: A display device is provided in which reduction of reflected light is realized. Also a multilayer substrate is provided in which light reflectance is reduced even when the substrate has a plurality of layers that differ in refractive index from each other. In the display device of one embodiment, the reflectance of light reflected by the internal structure, of light incident on the internal structure through a display screen, is less than 1.0%. The multilayer substrate of one embodiment includes a first layer and a second layer disposed adjacently to the first layer. The refractive index of the second layer varies continuously from an interface where the second layer is adjacent to the first layer in a direction from the first layer, with the variation being started at a value of the refractive index at the interface where the first layer is adjacent to the second layer.

Abstract: A laminated body includes: an antireflection film; and a protection film bonded onto the antireflection film. The adhesive layer is a layer with a material formed by cross-linking, with a cross-linking agent (B), and a (meth)acrylic acid ester copolymer. The (meth)acrylic acid ester copolymer (A) is a copolymer formed by polymerizing monomer components including, in relation to the total amount of the monomer components set at 100% by mass, 70 to 98% by mass of a (meth)acrylic acid alkyl ester monomer (a) including a noncyclic alkyl group containing 4 to 9 carbon atoms, 1.5 to 25% by mass of a (meth)acrylic acid ester monomer (b) containing an aliphatic ring, and 0.5 to 5% by mass of a (meth)acrylic-based monomer (c) containing a functional group exhibiting reactivity with the cross-linking agent (B). The area proportion of the components each having a molecular weight of 100,000 or less, is less than 3.0%.

Abstract: The present invention provides a display panel equipped with a front plate and a display device, in each of which streak unevenness is sufficiently resolved in the periphery of a display area. The display panel equipped with a front plate of the present invention comprises: a display panel; a front plate; and a cured resin composition layer disposed between the display panel and the front plate, wherein the cured resin composition layer has a loss tangent of 2 or less at 0 to 70° C.

Abstract: An antireflection film of the present invention includes a plurality of first raised portions, each of which has a two-dimensional size of not less than 1 ?m and less than 100 ?m when seen in a direction normal to the film, and a plurality of second raised portions, each of which has a two-dimensional size of not less than 10 nm and less than 500 nm when seen in a direction normal to the film. In at least one embodiment, the antireflection film has a first surface shape or a second surface shape that is inverse to the first surface shape relative to a film surface. In the first surface shape, the second raised portions are provided on the first raised portions and between the plurality of first raised portions, and the elevation angle ? of a surface of the first raised portions relative to the film surface is about 90° or more. The antireflection film of the present invention has a more excellent antiglare function than conventional ones.

Abstract: The present invention provides an anti-reflective film that prevents wavelength dispersion from being applied to light transmitted through an anti-reflective film. The present invention is an anti-reflective film, which reduces reflection of visible light on a surface of a substrate by being mounted on the substrate, has a wavelength dispersion structure for applying first wavelength dispersion to visible light transmitting through the anti-reflective film, and contains a wavelength dispersion material for applying second wavelength dispersion to the visible light transmitting through the anti-reflective film, wherein visible light transmitted through the anti-reflective film has flat transmission wavelength dispersion in a visible light region.

Abstract: A mold of an embodiment of the present invention has a surface that has a shape which is inverse of a surface shape of a moth-eye structure. This surface has a plurality of protrusions, a plurality of ridges extending between the plurality of protrusions via saddle portions, and a plurality of holes, each of which is defined by at least any three of the plurality of protrusions and ridges extending between the at least any three of the plurality of protrusions, and an average distance between centers of adjacent holes, p, and an average depth of the saddle portions, r, satisfy the relationship of 0.15?r/p?0.60.

Abstract: Provided is a structure with an observation port. The structure with the observation port is provided with the observation port and an internal structure. The internal structure is located to the backside of the observation port and has a third reflection preventing film. The first reflection preventing film is a film that reduces reflected light by using light interference. Each of the second and third reflection preventing films has a surface comprising a plurality of convex portions, a distance between apexes of each adjacent two of which does not exceed the visible light wavelengths. Light obtained by combining light reflected by the surface of the first reflection preventing film, light reflected by the surface of the second reflection preventing film, and light reflected by the surface of the third reflection preventing film has a flat wavelength dispersion within the visible light range.

Abstract: A display panel (100) of an embodiment of the present invention includes a wiring board (100a), a counter substrate (100b) which is provided on a viewer side of the wiring board (100a), and a display medium layer (32) which is provided between the wiring board (100a) and the counter substrate (100b), wherein the wiring board (100a) includes a substrate (11) and a plurality of metal wires (GB, SB, CSB, etc.) provided on the counter substrate (100b) side of the substrate (11), and at least part of the plurality of metal wires has a moth-eye structure or inverted moth-eye structure (12M) in its surface.

Abstract: A roller nanoimprint apparatus is disclosed which is capable of preventing a workpiece film with nanostructures having been transferred from the mold roller from being uneven in thickness and allowing easy replacement of the mold roller. At least one embodiment of the present invention is directed to a roller nanoimprint apparatus including a mold roller and continuously transferring nanosized protrusions to a surface of a workpiece film by rotating the mold roller, wherein the mold roller is a cylindrical body having an outer circumference surface with nanosized recesses formed thereon, the roller nanoimprint apparatus further includes a fluid container having an elastic film inflatable by injecting fluid into the container, the fluid container being arranged in a region defined by an inner circumference surface of the mold roller, the mold roller is mounted or demounted when the elastic film is shrunken, and the mold roller is supported from the inside when the elastic film is inflated.

Abstract: A method of fabricating a motheye mold according to the present invention includes the steps of: (a) anodizing a surface of an aluminum film (10a) via an electrode (32a) that is in contact with the surface, thereby forming a porous alumina layer which has a plurality of very small recessed portions; (b) after step (a), allowing the porous alumina layer to be in contact with an etchant, thereby enlarging the very small recessed portions of the porous alumina layer; and (c) after step (b), further anodizing the surface to grow the plurality of very small recessed portions. The aluminum film is made of aluminum with a purity of 99.99 mass % or higher. The electrode includes a first electrode portion (32a1) which is made of aluminum with a purity of 99.50 mass % or lower and a second electrode portion (32a2) which is made of aluminum with a higher purity than the aluminum of the first electrode portion and which is interposed between the surface and the first electrode portion.

Abstract: To provide an optical element having excellent adhesion to a lamination film, a roller nanoimprint apparatus, and a production method of a mold roller are disclosed. In at least one embodiment of the present invention, an optical element includes a nanostructure film including recesses and protrusions in nanometer size formed continuously on a surface of the nanostructure film and a lamination film laminated on the nanostructure film. The nanostructure film includes a nanostructure-free region free from the recesses and protrusions in nanometer size in both ends along a longitudinal direction of the nanostructure film.

Abstract: The present invention provides a display panel with a flat plate in which a member partially provided with a light blocking part is disposed in front of a display panel, and a curable resin therebetween is sufficiently cured even in an area behind the light blocking part. The display panel with a flat plate of the present invention includes: a flat plate provided with a light passing part and a light blocking part; a display panel; and an adhesive layer between the flat plate and the display panel, the adhesive layer being a cured resin layer obtainable by polymerization involving at least one reactive component selected from the group consisting of a (meth)acrylate oligomer, a bicyclic ring-containing (meth)acrylate monomer, and a hydroxyl group-containing (meth)acrylate monomer, a peroxide component, and a primer as reaction materials.

Abstract: A display device in which an image with a wide color reproduction range and bright red can be displayed is provided. The display device is a display device such as, for example, a liquid crystal display device, a cathode ray tube, an organic electroluminescent display device, a plasma display panel, and a field emission display. The display device includes a display surface including a pixel having red, green, blue, and yellow sub-pixels, wherein the red sub-pixel preferably has the largest aperture area.

Abstract: A method for making a stamper which has an uneven surface pattern, in which unit structures are arranged in x and y directions at respective periods that are both shorter than the shortest wavelength of an incoming light ray, on the surface of a substrate and satisfies the following Inequality (1): ? ? ? x , y ? m ? ? i ? ? n < 1 ni + ni · sin ? ? ? ? ? i ma ? ? x ( 1 ) where ?min is the shortest wavelength of the incoming light ray, ?imax is the largest angle of incidence of the incoming light ray, ni is the refractive index of an incidence medium, ?x is the period of the uneven surface pattern in the x direction, and ?y is the period of the pattern in the y direction. As a result, diffraction of short-wave light components can be reduced in a broad wavelength range.

Abstract: A display device in which an image with a wide color reproduction range and bright red can be displayed is provided. The display device is a display device such as, for example, a liquid crystal display device, a cathode ray tube, an organic electroluminescent display device, a plasma display panel, and a field emission display. The display device includes a display surface including a pixel having red, green, blue, and yellow sub-pixels, wherein the red sub-pixel preferably has the largest aperture area.

Abstract: A liquid crystal display panel is capable of displaying in a normally black mode. The liquid crystal display panel includes: a liquid crystal cell which includes a liquid crystal layer and a pair of substrates; a first polarizing plate provided on a rear surface side of the liquid crystal cell; a second polarizing plate provided on a viewer side of the liquid crystal cell; and an antireflection layer provided on a viewer side of the second polarizing plate, the antireflection layer having a moth-eye structure, wherein a transmission axis of the first polarizing plate is parallel to a vertical direction in a display plane, and a transmission axis of the second polarizing plate is parallel to a horizontal direction in the display plane. According to an embodiment of the present invention, a pale black state in oblique viewing angles is prevented.

Abstract: A liquid crystal display device includes a liquid crystal display panel having a pixel defined by at least three sub-pixels including a blue sub-pixel, a backlight which emits, toward the liquid crystal display panel, light that brings a color temperature to a predetermined level when the pixel displays white, and a color tone correction circuit which corrects a color tone of a color displayed by the pixel. When the pixel displays a color containing at least one predetermined color component that is other than a white component and a blue component, the color tone correction circuit performs a correction to set a luminance of the blue sub-pixel lower than an original luminance.

Abstract: A method for making a stamper which has an uneven surface pattern, in which unit structures are arranged in x and y directions at respective periods that are both shorter than the shortest wavelength of an incoming light ray, on the surface of a substrate and satisfies the following Inequality (1): ? ? ? x , y ? min < 1 ni + ni · sin ? ? ? ? ? i max ( 1 ) where ?min is the shortest wavelength of the incoming light ray, ?imax is the largest angle of incidence of the incoming light ray, ni is the refractive index of an incidence medium, ?x is the period of the uneven surface pattern in the x direction, and ?y is the period of the pattern in the y direction. As a result, diffraction of short-wave light components can be reduced in a broad wavelength range.

Abstract: The present invention provides a display panel equipped with a front plate and a display device, in each of which streak unevenness is sufficiently resolved in the periphery of a display area. The display panel equipped with a front plate of the present invention comprises: a display panel; a front plate; and a cured resin composition layer disposed between the display panel and the front plate, wherein the cured resin composition layer has a loss tangent of 2 or less at 0 to 70° C.

Abstract: Disclosed is a liquid crystal display panel which causes no gray scale inversion, even when obliquely viewed, and which realizes suppression of a gamma characteristics change and a chromaticity change. The liquid crystal display panel is made of a pair of substrates, at least one of which includes a plurality of pixel electrodes containing red, green and blue pixel electrodes, and a liquid crystal layer arranged between the pair of substrates. The liquid crystal layer is divided for each pixel into a first region and a second region, which have liquid crystal molecules different in the directions of inclination from each other. Both of the liquid crystal molecules positioned in the first region and the second region are oriented either vertically or horizontally when the pair of substrates is viewed in the front direction, and are oriented obliquely with respect to the substrate surface and symmetrically of each other when the pair of substrates is viewed in the cross-sectional direction.