Abstract: A cyclic olefin resin composition film having high toughness with less difference in toughness between length and width directions. The cyclic olefin resin composition film contains a cyclic olefin resin, a styrene elastomer and inorganic oxide fine particles having an average particle diameter of 40 nm or smaller, and has a linear expansion coefficient of 40 ppm/° C. to 60 ppm/° C. This film attains high toughness with less difference in toughness between length and width directions.

Abstract: A cyclic olefin resin composition film having high toughness with less difference in toughness between length and width directions. The cyclic olefin resin composition film contains a cyclic olefin resin, a styrene elastomer and inorganic oxide fine particles having an average particle diameter of 40 nm or smaller, and has a linear expansion coefficient of 40 ppm/° C. to 60 ppm/° C. This film attains high toughness with less difference in toughness between length and width directions.

Abstract: An alignment film capable of reducing occurrence of alignment disorder in a simple manner, a method of manufacturing the alignment film, a retardation film, a method of manufacturing the retardation film, and a display are provided. An alignment film is configured of an anchor layer and an alignment layer stacked in this order on a base. The alignment layer includes a groove region having a plurality of fine grooves on a surface thereof, and a groove region having a plurality of fine grooves on a surface thereof. The anchor layer provided between the base and the alignment layer is provided with an antistatic function in addition to a function of bringing the alignment layer into close contact with the base.

Abstract: Provided is a cyclic olefin resin composition film having a small in-plane retardation and high toughness. The cyclic olefin resin composition film contains a cyclic olefin resin and a styrene elastomer having a storage modulus of lower than 100 MPa at 0° C. to 100° C. The styrene elastomer is dispersed in the cyclic olefin resin in an amount of 5 to 35 wt %. With this configuration, it is possible to lower the in-plane retardation of the film while ensuring the high toughness of the film.

Abstract: A cyclic olefin resin composition film having excellent anti-blocking properties and toughness. The cyclic olefin resin composition film containing a cyclic olefin resin and a styrene-based elastomer; the cyclic olefin resin composition film having a first surface layer part having a thickness of from 25 to 45% of total thickness, a second surface layer part having a thickness of from 25 to 45% of the total thickness, and an internal part having thickness of from 10 to 50% of the total thickness between the first surface layer part and the second surface layer part; an average value of minor-axis dispersion diameter of the styrene-based elastomer in the first surface layer part or the second surface layer part being from 75 to 125% of an average value of minor-axis dispersion diameter of the styrene-based elastomer of the internal part. As result, it is possible to achieve excellent anti-blocking properties and toughness.

Abstract: A cyclic olefin resin composition film has excellent anti-blocking properties and toughness. A cyclic olefin resin composition film containing a cyclic olefin resin and a styrene-based elastomer; the cyclic olefin resin composition film having a first surface layer part having a thickness of from 25 to 45% of a total thickness, a second surface layer part having a thickness of from 25 to 45% of the total thickness, and an internal part having a thickness of from 10 to 50% of the total thickness between the first surface layer part and the second surface layer part; an average value of a minor-axis dispersion diameter of the styrene-based elastomer in the first surface layer part or the second surface layer part being from 75 to 125% of an average value of a minor-axis dispersion diameter of the styrene-based elastomer of the internal part.

Abstract: Provided is a cyclic olefin resin composition film having a small in-plane retardation and high toughness. The cyclic olefin resin composition film contains a cyclic olefin resin and a styrene elastomer having a storage modulus of lower than 100 MPa at 0° C. to 100° C. The styrene elastomer is dispersed in the cyclic olefin resin in an amount of 5 to 35 wt %. With this configuration, it is possible to lower the in-plane retardation of the film while ensuring the high toughness of the film.

Abstract: An optical laminated body includes a phase difference layer that has two or more kinds of phase difference regions having different directions of a slow axis from each other, a polarization plate contacted with a bottom face of the phase difference layer with a bonding layer or an adhesive layer in between, a base material contacted with a top face of the phase difference layer with a bonding layer or an adhesive layer in between, and an antireflection layer or an anti-glare layer directly contacted with a face not contacted with the phase difference layer of the base material.

Abstract: A manufacture method of an optical sheet made of a transparent thermoplastic resin sheet on whose surface a regular geometric design working is performed, the optical sheet manufacture method comprising steps of performing a geometric design working on the resin sheet at a temperature not lower than a glass transition temperature of the resin sheet, by using a metal endless working belt formed with a geometric design on a surface thereof, rapidly cooling the resin sheet on which the geometric design working is performed to a temperature lower than the glass transition temperature, and detaching the rapidly cooled resin sheet from the metal endless working belt.

Abstract: An alignment film capable of reducing occurrence of alignment disorder in a simple manner, a method of manufacturing the alignment film, a retardation film, a method of manufacturing the retardation film, and a display are provided. An alignment film is configured of an anchor layer and an alignment layer stacked in this order on a base. The alignment layer includes a groove region having a plurality of fine grooves on a surface thereof, and a groove region having a plurality of fine grooves on a surface thereof. The anchor layer provided between the base and the alignment layer is provided with an antistatic function in addition to a function of bringing the alignment layer into close contact with the base.

Abstract: A display unit in which the view angle in the horizontal direction of emitting light is wider than the view angle in the vertical direction thereof, in which the emitting light has a polarization component in the vertical direction viewable with the use of a polarized sunglass, and which is able to improve display luminance is provided. A luminance enhancement film has a plurality of convex sections which extend toward the horizontal direction and are arranged in the direction crossing the extending direction, and in which the refractive index in the extending direction is larger than the refractive index in the arrangement direction.

Abstract: A retardation film is provided and is formed by laminating a thermoplastic norbornene resin film, an anchor layer, an alignment film and a phase difference layer in this order. In this retardation film, the anchor layer is formed by applying an anchor material including a tri-, or more-functional acrylate monomer of 50 parts by weight or more and 90 parts by weight or less onto the thermoplastic norbornene resin film and then, drying and curing the anchor material with ultraviolet light.

Abstract: An optical film capable of improving luminance of a display unit, in which a viewing angle in the horizontal direction of emitted light of the display unit is wider than a viewing angle in the vertical direction and the emitted light of the display unit has a polarization component in the vertical direction viewable by polarized sunglasses, an illumination system including the same, and a display unit including the same are provided. The optical film includes a plurality of three-dimensional structures extending in one direction and arranged sequentially in a direction crossing the one direction. The three-dimensional structures contain a liquid crystalline polymer having orientation, and have refractive index anisotropy in which refractive index in the extending direction of the three-dimensional structures is smaller than refractive index in the direction crossing the extending direction of the three-dimensional structures.

Abstract: An alignment film or a phase difference device with small shift from a desired alignment direction and a display unit including the same are provided. The alignment film includes: a substrate having a plurality of grooves extending in a specific direction on a surface; and a non-alignment thin film formed along a surface of the plurality of grooves. The phase difference device includes: an alignment film that has a substrate having a plurality of grooves extending in a specific direction on a surface and a non-alignment thin film formed along a surface of the plurality of grooves; and a phase difference layer that is provided being contacted with a surface of the non-alignment thin film, and includes a liquid crystal material that is aligned along an extending direction of a dent formed by the non-alignment thin film and is polymerized.

Abstract: An illumination apparatus is disclosed. The illumination apparatus includes a polarization plate, a light source, and a light transmission film. The light transmission film is disposed between the polarization plate and the light source and includes a plurality of prisms formed on a surface thereof, the plurality of prisms each having a ridge line in a first direction and being continuously arranged in a second direction perpendicular to the first direction. In the illumination apparatus, the light transmission film is disposed such that a ridge line direction of the plurality of prisms is one of a perpendicular direction and an approximately perpendicular direction to a transmission axis of the polarization plate.

Abstract: An optical laminated body includes a phase difference layer that has two or more kinds of phase difference regions having different directions of a slow axis from each other, a polarization plate contacted with a bottom face of the phase difference layer with a bonding layer or an adhesive layer in between, a base material contacted with a top face of the phase difference layer with a bonding layer or an adhesive layer in between, and an antireflection layer or an anti-glare layer directly contacted with a face not contacted with the phase difference layer of the base material.

Abstract: A method of manufacturing the optical sheet is provided. The method includes: a first step of heating a composition containing a liquid crystal monomer or liquid crystal prepolymer and a photopolymerization initiator at a temperature equal to or higher than a melting point of the liquid crystal monomer or liquid crystal prepolymer and pressing the composition in a state where the composition is held between a master including a plurality of solid structures disposed continuously in one surface and having shape anisotropy in the one surface and a light transmission film disposed so as to face the solid structures of the master. The method also includes a second step of irradiating the composition with ultraviolet rays at a temperature lower than a phase transmission temperature to an isotropic phase to polymerize the liquid crystal monomer or liquid crystal prepolymer and, after that, separating the light transmission film from the master.

Abstract: A retardation film is provided and is formed by laminating a thermoplastic norbornene resin film, an anchor layer, an alignment film and a phase difference layer in this order. In this retardation film, the anchor layer is formed by applying an anchor material including a tri-, or more-functional acrylate monomer of 50 parts by weight or more and 90 parts by weight or less onto the thermoplastic norbornene resin film and then, drying and curing the anchor material with ultraviolet light.

Abstract: An optical sheet combination structure disposed between a polarizer and a surface emitting unit, includes a first optical sheet having a number of columnar cubic structures of curing resin arrayed on a transparent base, a valley portion between adjacent cubic structures contacting a surface of the transparent base, and a second optical sheet disposed nearer to the side of the polarizer than the first optical sheet, having a number of columnar cubit structures arrayed on a surface, and a refractive index of the cubic structures along an extension direction thereof being different from a refractive index of the cubic structures along an array direction thereof.

Abstract: A light-transmissive film for use in display devices is provided. The light-transmissive film includes a plurality of first protrusions formed on one surface and extending in a predetermined direction of the one surface, and a plurality of second protrusions formed on an opposite surface to the one surface, extending in one direction of the opposite surface, arranged parallel to the one direction, and arranged parallel to a direction intersecting the one direction. At least one of the first and second protrusions has a refractive index anisotropy in a plane.