Abstract: In CTP or CTF platemaking using the inkjet method, gap (discontinuity) or nonlinearity of tone is improved to realize superior gradation reproduction. A screening apparatus to which density information of an original picture is inputted, and which generates halftone dot data expressing tones corresponding to gradation of the original picture by using halftone dot patterns corresponding to inputted densities, and comprises a means for optimizing the combinations of halftone dots. The halftone dot patterns consist of combinations of one or more halftone dots of the same or different kinds selected from two or more kinds of halftone dots different in number of dots, and the means for optimizing optimizes the combinations of halftone dots so that relation of image area formed by an output device using the halftone dot patterns and the inputted density should constitute a desired function for at least a partial density range of the inputted density.

Abstract: A method for producing surface convexes and concaves enabling easy and highly precise formation of desired convex and concave shapes using a photomask is provided. A mask member 20 having light transmitting sections and non-light transmitting sections is disposed over one side of a photosensitive film 10 consisting of a photosensitive resin composition with a light diffusing layer 30 disposed between the mask member 20 and the photosensitive film 10. Light is irradiated from a light source disposed on the side of the mask member 20 to expose the photosensitive film 10 through the light transmitting sections of the mask member 20, and exposed portions or unexposed portions of the photosensitive film 10 are removed by development to produce convexes and concaves on the photosensitive film 10 in shapes determined by shapes of the exposed portions or unexposed portions.

Abstract: A light control film having a refractive index n and an uneven, irregular surface pattern provides a reasonable level of light diffusion without a glare problem provided, for any cross-section perpendicular to the base plane of the film, the average of absolute values of slope ?ave of a curve along the edge of the cross-section contoured by the rough surface pattern (profile curve) is at least 78-34 n degrees and no higher than 118-34 n degrees, or the average of absolute values of slope ?ave of a profile curve to the length L1 of a straight line defined by the intersection of the base plane and the cross-section satisfies the following formula (3) or (4) for substantially all cross-sections.

Abstract: A binder composition for polyester type films showing superior transparency, film hardness and solvent resistance as well as superior adhesion to polyester type films and an optical film using the composition are provided. The binder composition for polyester type films of the present invention contains a high-molecular weight polymethyl methacrylate (a), an acrylic polyol (b), an isocyanate type curing agent (c), and a polyester resin (d). The optical film of the present invention is an optical film including a polyester type film and a functional layer provided on the polyester type film, the functional layer containing a high-molecular weight polymethyl methacrylate (a), an acrylic polyol (b), an isocyanate type curing agent (c), and a polyester resin (d).

Abstract: An anti-glare member prevents reflection of external light by surfaces of displays or screens without causing reduction of contrast and glare of displayed images. The anti-glare member has an anti-glare layer comprising microparticles and a transparent binder wherein the microparticles are black microparticles having a value (n), obtained by dividing absolute value of complex index of refraction of the black microparticles by index of refraction of the transparent binder, of 0.95 to 1.05. The arithmetical mean roughness (Ra) according to JIS B0601:2001 of surface of the anti-glare layer is 0.3 to 1.0 ?m.

Abstract: There is provided an anti-Newton ring sheet having an excellent anti-sparkle property, which can prevent the generation of sparkles when it is used in a touch panel using a high-definition color display, and a touch panel using this anti-Newton ring sheet. The anti-Newton ring sheet 1 of the present invention has an anti-Newton ring layer 3 comprising ionizing radiation curable organic-inorganic hybrid resin (binder component 32) and fine particles 31 on one surface of a transparent substrate 2, and preferably the mean diameter and the coefficient of variation of the diameter of the particle 31 is not less than 0.5 ?m and not more than 3.0 ?m and not less than 20% and not more than 80%, respectively, and the thickness of the anti-Newton ring layer 3 is preferably not less than 0.2 ?m and not more than 3.5 ?m.

Abstract: A backlight unit does not show decrease of brightness for the frontal direction even when made thin-shaped. An edge light type backlight unit 1 includes a light conducting plate 14, a light source 13 disposed along at least one end portion of the light conducting plate 14, and a light diffusing film 15 disposed on a light projecting surface of the light conducting plate 14. The light conducting plate 14 has a thickness of 1.0 mm or smaller, the light diffusing film 15 has a light diffusing layer formed from a binder resin and a light diffusing agent, wherein the coefficient of variation of particle size distribution of the light diffusing agent is in the range of 30% or smaller.

Abstract: A direct type backlight unit 1 comprising a light source 13, a diffusing plate 14 disposed over the light source, and an optical member 15 disposed on the diffusing plate, or an edge light type backlight unit comprising a light conducting plate and an optical member disposed on the light conducting plate, wherein the surface of the optical member 15 contacting with the diffusing plate or the light conducting plate (henceforth referred to as optical element) is formed from a material containing a thermosetting resin and/or a thermoplastic resin, and polyethylene type wax particles having a mean particle diameter of 4 to 10 ?m. The content of the polyethylene type wax particles is 0.20 to 0.50 part by weight based on 100 parts by weight of resin component of the resin layer.

Abstract: A light control film enabling improvement in front luminance, having appropriate light diffusing property and free from problems of interference pattern, glare etc. is provided. A light control film 10 having a rough surface as one surface and a substantially smooth surface as the other surface is constituted so that total light transmission of the film for lights entered from the smooth surface should be not more than 65%, total light transmission of the film for lights entered from the rough surface should be not less than 80%, as measured according to the measurement method defined in JIS K7361-1:1997, and a value obtained by subtracting the total light transmission for smooth surface incidence from the total light transmission for rough surface incidence should be not less than 30%.

Abstract: A reflective screen which can reflect high contrast images even in a bright environment and can reflect images with superior image color reproducibility, in particular, images substantially free from color change of the images, even when the screen is observed from an oblique direction. The reflective screen 6 uses a multilayer optical film consisting of at least two kinds of alternately laminated transparent dielectric thin films selectively reflecting lights of specific wavelength regions as a reflecting layer 2, and the reflecting layer 2 has a light reflecting property for light in the wavelength regions of blue, green, red, and 670 to 730 nm, and shows average reflectances for lights of the wavelength regions higher than the average reflectance for light in the visible wavelength region other than lights of the wavelength regions, respectively.

Abstract: A method for producing surface convexes or concaves enabling easy and highly precise formation of desired convex/concave shapes using a photomask is provided. A mask member 20 having light transmitting sections and non-light transmitting sections is disposed over one side of a photosensitive film 10 consisting of a photosensitive resin composition with an interval with respect to the photosensitive film 10, and a light diffusing member 30 is disposed on the opposite side of the photosensitive film 10 across the mask member 20. Light is irradiated from a light source disposed on the opposite side of the mask member 20 across the light diffusing member 30 to subject the photosensitive film 10 to light exposure through the light diffusing member 30 and the light transmitting sections of the mask member 20.

Abstract: The hard coat film 1 of the present invention shows a contact angle for water of 110 degrees or smaller and a contact angle for camellia oil of 50 degrees or smaller. According to the present invention, even if fingerprints are adhered to the hard coat film 1, these fingerprints are inconspicuous. The hard coat film 1 of the present invention preferably shows a contact angle for water of 50 degrees or larger and a wet tension of 27 to 45 mN/m. With these characteristics, in addition to inconspicuousness of fingerprints, wiping-off property for fingerprints is improved.

Abstract: A film for insert molding comprising a base material film and a hard coat layer provided on at least one surface of the base material film, wherein the hard coat layer is formed from an ionizing radiation curable resin containing a reactive monomer having a cyclo ring structure containing at least one kind of element selected from carbon, nitrogen, oxygen, and silicon. The hard coat layer of this film for insert molding has sufficient surface hardness, and can prevent cracks which are likely to be generated at the time of molding (it has superior anti-cracking property).

Abstract: A material for forming electroless plate shows favorable catalyst adhering property, and shows no delamination of catalyst adhering layer from non-conductive base material, no dissolution of catalyst adhering layer into a plating solution, and no discoloration of interface of plate layer with catalyst adhering layer during the catalyst adhering step, development step and other steps. The material includes a non-conductive base material and a catalyst adhering layer, provided on the non-conductive base and including a water-insoluble polyester resin The catalyst adhering layer shows a contact angle of 60° or smaller to purified water.

Abstract: A method for producing surface convexes and concaves enabling easy and highly precise formation of desired convex and concave shapes using a photomask is provided. A mask member having light transmitting sections and non-light transmitting sections is disposed over one side of a photosensitive film consisting of a photosensitive resin composition with an interval with respect to the photosensitive film, light is irradiated from a light source disposed on the side of the mask member to subject the photosensitive film to light exposure through the light transmitting sections of the mask member, and exposed portions or unexposed portions of the photosensitive film are removed by development to produce convexes and concaves on the photosensitive film in shapes determined by shapes of the exposed portions or unexposed portions.

Abstract: A transmission screen having a writable and erasable surface for one side is provided. This transmission screen is constructed so that the writable and erasable surface should have a specular gloss (JIS K5600-4-7:1999) of 70 to 135%, the transmission screen as a whole should have a haze (JIS K7136:2000) of 80% or more, and the surface opposite to the writable and erasable surface should have a specular gloss (JIS K5600-4-7:1999) of 10% or less. With this transmission screen, writing with a marker for white boards and erasing can be easily done while seeing images projected on the transmission screen, and the images from a projector do not become hard to see due to projection of the images on the body of a writer.

Abstract: A transparent hard coat film having excellent hardness and transmitted resolution, in which an interference fringe attributable to non-uniform thickness of the transparent hard coat layer is not noticeable, is provided. The transparent hard coat film of the invention has a transparent hard coat layer formed on at least one surface of a transparent polymer film, wherein the transparent hard coat film has a b* value in the L*a*b* color space system of 0.5 or less.

Abstract: A light control sheet comprises at least a light diffusing film and a prism sheet, wherein the light diffusing film has a light diffusing surface on one side and a rough surface on the other side, the prism sheet has a prism surface on one side and a smooth surface on the other side, the smooth surface has a smooth layer comprising at least a comb polymer, and the rough surface of the light diffusing film and the smooth surface of the prism sheet face each other. A light control sheet comprises at least a light diffusing film and a prism sheet, wherein the light diffusing film has a light diffusing surface on one side and a smooth surface on the other side, the smooth surface has a smooth layer comprising at least a comb polymer, the prism sheet has a prism surface on one side and a rough surface on the other side, and the smooth surface of the light diffusing film and the rough surface of the prism sheet face each other.

Abstract: A reflective screen which can reflect images of high contrast, in particular, a reflective screen which can reflect images of higher contrast without increasing brightness of dark portions of projector images, even in a bright environment is provided. The reflective screen 7 comprises a polarized light selective scattering layer 3 showing stronger light scattering property for linearly polarized lights of a specific direction than for linearly polarized lights of which oscillation plane is a plane orthogonal to the oscillation plane of the linearly polarized light of the specific direction, and a light absorbing layer 2 for absorbing lights which transmit the polarized light selective scattering layer 3 provided on one surface of the polarized light selective scattering layer 3.

Abstract: An optical film enhances provide brightness in the frontal direction and light diffusing without using a prism sheet or a lens sheet. Two laminates each produced by providing a light diffusing layer formed from acrylic resin particles and a styrene acrylic copolymer resin binder on a transparent support are superimposed to form the optical film. The styrene acrylic copolymer resin binder preferably has a glass transition temperature of 40° C. or higher. The light diffusing layer 12 preferably contains an acrylic resin binder having a glass transition temperature of 30° C. or lower.