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 μm.
Abstract:
A transmission screen through which an observer can see the side of the screen opposite to the observer side, and which has a sufficient viewing angle is provided. The transmission screen is a transmission screen 1 having a light diffusing layer 2 comprising a transparent binder and light diffusing elements contained in the binder, and the transmission screen is constituted so that the light diffusing elements should have a relative refractive index n of 0.75 or smaller or 1.25 or larger relative to refractive index of the transparent binder, both surfaces of the transmission screen 1 should be substantially smooth, and the transmission screen should have a total haze (JIS K7136:2000) of 10 to 85%.
Abstract:
The present invention provides 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 of the present invention uses a multilayer optical film consisting of at least two kinds of alternately laminated transparent dielectric thin films showing different refractive indices, and 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 said wavelength regions higher than the average reflectance for light in the visible wavelength region other than lights of said wavelength regions, respectively.
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 θave 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 θave 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. θave÷Lr×n2≧40 (3) 50≦θave×Lr×n2≦135 (4)
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 is constituted so that, for a curved surface of the rough surface approximated in an approximately square region having an area of 1 mm2 or larger defined at an arbitrary position on the rough surface by using height data of the rough surface measured with predetermined intervals for the longitudinal and transverse directions in the approximately square region, an average of slopes of the curved surface (θnv (degree)) of the rough surface with respect to a base plane of the film should be not less than 27 degrees and not more than 70 degrees at substantially any position on the light control film.
Abstract:
By controlling a rough surface pattern of a light control film having said pattern on one surface to satisfy certain conditions, a light control film with reasonable light diffusion and without problems of glare is provided. The use of a fewer sheets of such light control film ensures improved front luminance. The certain conditions are as follows: where the refraction index of the material comprising the film is n, regarding any cross section perpendicular to the base plane of the film, the average of absolute values of slope (θave(degree)) of a curve along the edge of the cross section contoured by the rough surface pattern (hereinafter a profile curve) is (78-34 n) degree or higher and (118-34 n) degree or lower, or the average of absolute values of slope (θave(degree)) of a profile curve and the ratio (Lr=L2/L1) of the length (L2) of aforementioned profile curve to the length (L1) of a straight line defined by the intersection of the base plane and the cross section satisfy the following Formula (3) or Formula (4) for substantially all cross sections. θave÷Lr×n2≧40 (3) 50≦θave×Lr×n2≦135 (4)
Abstract:
A front scattering film capable of reducing backward scattering and providing a clear display is provided. The front scattering film comprises a light scattering layer composed of a transparent polymer binder and spherical microparticles dispersed in the binder and having a refractive index different from that of the binder, and substrates provided on the both sides of the light scattering layer, wherein at least one of the substrates is peelable from the light scattering layer. This front scattering film does not impair the function of the liquid crystal display unit by, for instance, affecting polarization, even it is used in a liquid crystal display unit in which a light scattering layer provided by the front scattering film is arranged between a retardation film or polarizer film and a liquid crystal layer.
Abstract:
The present invention provides a phthalocyanine nanorod; an ink composition containing the phthalocyanine nanorod; a transistor containing the phthalocyanine nanorod; a material for a photoelectric conversion device, the material containing the phthalocyanine nanorod; and a photoelectric conversion device containing the phthalocyanine nanorod between the positive electrode and the negative electrode. Since an ink composition containing a nanorod according to the present invention can be formed into a film by a wet process such as a coating method or a printing method, an electronic device that is less likely to fail and is lightweight and inexpensive can be produced on a flexible plastic substrate.
Abstract:
There is provided an ink composition for forming a light shielding film in an organic semiconductor device which is capable of stably forming a fine pattern when forming a finely patterned light shielding film by the letterpress reverse printing method or microcontact printing method, which can be baked at a temperature equal to or less than the substrate heatproof temperature, and which is also capable of providing light shielding property and mechanical strength, the ink composition for forming a light shielding film in an organic semiconductor device which is an ink composition for forming a light shielding film in an organic semiconductor device comprising a black pigment; a resin component; a surface energy modifier; a quick-drying organic solvent; a slow-drying organic solvent; and a mold releasing agent, wherein the resin component comprises a solid resin that is in a solid state at 200° C. or less and a liquid resin that is in a liquid state at 10 to 50° C. at a ratio (solid resin/liquid resin) of 0.2 to 0.6.
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 μm.