Abstract: An antireflection film is provided in which a light scattering property is suppressed. The antireflection film includes, on a surface thereof, a moth-eye structure including a plurality of convex portions such that a width between vertices of adjacent convex portions is no greater than a wavelength of visible light.

Abstract: A mold release treatment method of the present invention includes: the step of providing a mold releasing agent and a mold which has a porous alumina layer over its surface, the mold releasing agent containing a fluoric compound which has mold releasability and a solvent; the step of applying over the surface of the mold a solvent that is capable of dissolving the fluoric compound; and thereafter, the step of applying the mold releasing agent over the surface of the mold according to a spray coating method. According to the present invention, a mold release treatment can be performed over a surface of the mold which has the porous alumina layer over its surface, without causing uneven application.

Abstract: A display panel (10) of a display device (1) is sandwiched between a chassis (31) and a bezel (20). The bezel (20) and a contact part of the chassis (31), which contact part is in contact with the display panel (10), are made of materials having identical thermal expansion coefficients. A bottom wall (32) of the chassis (31) is made of a material having a thermal expansion coefficient higher than those of the bezel (20) and the contact part.

Abstract: A method is disclosed for inspecting a mold which has a porous alumina layer over its surface. The method includes providing, based on a relationship between a first parameter indicative of a thickness of the porous alumina layer and a color parameter indicative of a color of reflected light from the porous alumina layer, first color information which represents a tolerance of the first parameter of a porous alumina layer which has an uneven structure that is within a tolerance; providing a mold which is an inspection subject, the mold having a porous alumina layer over its surface; obtaining a color parameter which is indicative of a color of reflected light from the porous alumina layer of the inspection subject mold; and determining a suitability of the first parameter of the inspection subject mold based on the obtained color parameter and the first color information.

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: 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: 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: The present invention provides a liquid crystal display panel which is capable of providing a sufficiently high response speed and an excellent transmittance, and a liquid crystal display device. The liquid crystal display panel of the present invention includes a first substrate, a second substrate, and a liquid crystal layer disposed between the substrates. The first substrate and the second substrate have electrodes. The electrodes of the second substrate include a pair of comb-shaped electrodes and a slit-formed electrode.

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: The present invention provides a liquid crystal display panel and a liquid crystal display device each of which exhibits a sufficiently high response speed and an excellent transmittance. The liquid crystal display panel of the present invention includes a first substrate; a second substrate; and a liquid crystal layer disposed between the substrates, the first substrate and the second substrate each comprising an electrode, the electrode of the second substrate including a pair of comb-shaped electrodes and a planar electrode, the liquid crystal layer containing liquid crystal molecules which are inclined from an orthogonal direction to the main faces of the substrates between the pair of comb-shaped electrodes in a plan view of the main faces of the substrates when a voltage lower than a threshold voltage is applied.

Abstract: The present invention provides a liquid crystal drive device and a liquid crystal display device each of which has a sufficiently excellent transmittance, provides a sufficiently high response speed, and sufficiently reduces the load on the circuit and the driver. The liquid crystal drive device of the present invention includes a first electrode pair that is a pair of electrodes and second electrode pair that is a pair of electrodes different from the first electrode pair. The device implements a driving operation that generates a potential difference between the electrodes of the first electrode pair and simultaneously generates a potential difference between the electrodes of the second electrode pair when a displayed image has a gray scale value that is half or smaller of the total number of gray scale values for image display.

Abstract: A display device and an optical film are disclosed which can protect the moth-eye structure while maintaining low reflectance. A display device is provided, which comprises an anti-reflection film including a moth-eye structure and a peelable protective film, wherein the protective film covers the moth-eye structure and is attached to a flat portion of the display device, the flat portion being flatter than the moth-eye structure. The flat portion suitably corresponds to the substrate and/or a region free of the moth-eye structure on the anti-reflection film, in a display panel.

Abstract: The present invention provides a liquid crystal display device that can achieve a sufficiently-high-speed response and has a sufficiently excellent transmittance and a thin film transistor array substrate preferably used in the liquid crystal display device. The thin film transistor array substrate according to the present invention is a thin film transistor array substrate that includes, as electrodes, one pair of comb electrodes and a sheet electrode, and at least one electrode selected from the group consisting of the pair of comb electrodes and the sheet electrode being electrically connected along a pixel line.

Abstract: A display panel (10) of a display device (1) is sandwiched between a chassis (31) and a bezel (20). The bezel (20) and a contact part of the chassis (31), which contact part is in contact with the display panel (10), are made of materials having identical thermal expansion coefficients. A bottom wall (32) of the chassis (31) is made of a material having a thermal expansion coefficient higher than those of the bezel (20) and the contact part.

Abstract: A method is disclosed for inspecting a mold which has a porous alumina layer over its surface. The method includes providing, based on a relationship between a first parameter indicative of a thickness of the porous alumina layer and a color parameter indicative of a color of reflected light from the porous alumina layer, first color information which represents a tolerance of the first parameter of a porous alumina layer which has an uneven structure that is within a tolerance; providing a mold which is an inspection subject, the mold having a porous alumina layer over its surface; obtaining a color parameter which is indicative of a color of reflected light from the porous alumina layer of the inspection subject mold; and determining a suitability of the first parameter of the inspection subject mold based on the obtained color parameter and the first color information.

Abstract: The laminate of an embodiment is a laminate including an antireflection film and a protection film bonded onto the antireflection film, wherein the surface of the antireflection film includes a plurality of protrusions; the protection film includes a supporting film and an adhesive layer; the adhesive layer includes an adhesive agent, a copolymer, and a carboxyl group-containing monomer; the weight average molecular weight of the copolymer is 1000000 or more and 2000000 or less; the copolymer includes the (meth)acrylic acid alkyl ester with the alkyl group having 4 or less carbon atoms in the largest weight proportion among the monomer components; the acid number of the copolymer is 16 mg KOH/g or more and 120 mg KOH/g or less; and the mixing amount of the epoxy cross-linking agent in relation to 100 parts by weight of the copolymer is 1.5 parts by weight or more.

Abstract: A method is disclosed for efficiently producing a nanoimprint film with high-accurately formed nanostructures even if a base on which the nanoimprint film is formed is capable of absorbing UV light. The production method of at least one embodiment of the present invention is a production method of a nanoimprint film formed on a base, the nanoimprint film having a surface with nanosized protrusions and recesses formed thereon. In at least one embodiment, the production method includes a first step of applying a UV-curable resin on a base containing a UV-absorbing component to form a film; a second step of irradiating the film with UV light from a top-side surface of the film to form a semi-cured film; a third step of imprinting nanosized protrusions and recesses on the semi-cured film to form a film having a surface with protrusions and recesses formed thereon; and a fourth step of curing the film with protrusions and recesses to form a nanoimprint film.

Abstract: An antireflection film is provided in which a light scattering property is suppressed. In at least one example embodiment, the antireflection film includes, on a surface thereof, a moth-eye structure including a plurality of convex portions such that a width between vertices of adjacent convex portions is no greater than a wavelength of visible light. In at least one example embodiment of this antireflection film, the moth-eye structure does not include a sticking structure formed when tip end portions of the convex portions are joined to each other.

Abstract: A backlight unit includes excellent heat radiation characteristics. The backlight unit of an embodiment of the present invention includes a chassis and a light source attached to the chassis. As the light source, an LED is preferably used. The chassis includes an aluminum base or aluminum layer, and a porous alumina layer or pore-sealed porous alumina layer provided on the surface of the aluminum base or aluminum layer.

Abstract: The present invention provides a laminate including an anti-reflection film and a protective film that is stuck on the surface of the anti-reflection film. The protective film is excellent in temporary adhesiveness and can be removed to leave few adhesives. The laminate of the present invention directs to a laminate comprising an anti-reflection film; and a protective film stuck on the anti-reflection film, wherein the surface of the anti-reflection film has multiple protrusions, the distance between two tips of adjacent protrusions being equal to or smaller than visible light wavelength, and the protective film includes a support film and an adhesive layer that is in contact with the anti-reflection film, the adhesive layer including an adhesive that contains a polymer having an olefin structure as a monomer unit.