| Patent application number | Description | Published |
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| 20080303996 | OPTICAL COMPENSATION MEMBER, LIQUID CRYSTAL DISPLAY DEVICE, COMPOSITION FOR ALIGNMENT LAYER, AND ALIGNMENT LAYER - An optical compensation member is provided and includes an alignment layer, and an optical anisotropic layer composed of liquid crystal molecules and provided on the alignment layer, wherein the alignment layer contains an additive which suppresses transmission of light in a specific wavelength range. | 12-11-2008 |
| 20080316392 | Liquid Crystal Display, Optical Sheet Manufacturing Method, and Optical Sheet - A liquid crystal display, optical sheet manufacturing method, and an optical sheet are provided. The occurrence of moiré is prevented while suppressing a reduction in front luminance. The liquid crystal display includes: a liquid crystal display panel; a light source arranged on a back surface side of the liquid crystal display panel; an optical sheet with a light-condensing property arranged between the liquid crystal display panel and the light source, the optical sheet having a number of irregularities arranged continuously on a principal surface of the optical sheet; and a diffuser sheet arranged between the liquid crystal display panel and the optical sheet. The liquid crystal display is constructed so that when an arrangement pitch of the irregularities of the optical sheet is P [μm], a haze value of the diffuser sheet is H [%], a total light transmittance of the diffuser sheet is Tt [%], and a pixel pitch of the liquid crystal display panel is Pp [μm], the following relationship is satisfied: (H/Tt)·(Pp/P)≧1.6. | 12-25-2008 |
| 20090059120 | ILLUMINATION APPARATUS AND LIQUID CRYSTAL DISPLAY APPARATUS - 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. | 03-05-2009 |
| 20090109375 | OPTICAL SHEET, METHOD OF MANUFACTURING THE SAME, AND DISPLAY APPARATUS - 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. | 04-30-2009 |
| 20090153775 | OPTICAL SHEET, BACKLIGHT AND LIQUID CRYSTAL DISPLAY APPARATUS - An optical sheet has a large number of cylindrical lens elements provided successively on one of principal faces thereof. The cylindrical lens elements have a hyperboloidal face or a paraboloidal face and have a finite focal distance on the emission side of illumination light. Where a Z axis is taken in parallel to a normal line direction to the optical sheet and an X axis is taken in a direction of the row of the cylindrical lens elements, a cross sectional shape of the cylindrical lens elements satisfies Z=X | 06-18-2009 |
| 20090207613 | LIGHT SOURCE SYSTEM, LIGHT SOURCE DEVICE, AND METHOD OF CONTROLLING LIGHT SOURCE - Light intensity may be locally increased in light intensity distribution without increasing number of light sources or drive current. A light source system includes a light source, and a diffusion unit varying diffusibility in incident light so that light intensity in a light intensity distribution in a plane, resulted from light emitted from the light source, is locally enhanced. | 08-20-2009 |
| 20090295707 | Illuminating apparatus and display apparatus - The present invention provides an illuminating apparatus locally reducing light intensity without depending on the configuration of a light source itself. An illuminating apparatus used as a backlight of a display apparatus having a liquid crystal display panel with a pair of first polarizers, including a light source and a liquid crystal light control panel. The liquid crystal light control panel has a pair of second polarizers and suppresses amount of transmission of light from the light source, thereby allows the light from the light source to have such a light intensity distribution along a plane that light intensity is locally reduced. The polarization degree in the second polarizers is optimized so that transmission light amount ratio of the second polarizers is lower than that of the first polarizers. | 12-03-2009 |
| 20100026610 | OPTICAL FILM, METHOD OF MANUFACTURING THE SAME, AND DISPLAY UNIT - 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. | 02-04-2010 |
| 20100073604 | RETARDATION FILM, METHOD OF MANUFACTURING THE SAME, AND DISPLAY - A retardation film which is manufacturable by a simple process, and being capable of preventing a decline in light use efficiency is provided. A retardation film includes: a substrate having a plurality of grooves extending in a specific direction on a surface thereof; and a retardation layer arranged in contact with the surface of the substrate, and including a liquid crystal material, the liquid crystal material being aligned along the extending direction of the plurality of grooves and being polymerized. | 03-25-2010 |
