Patent application number | Description | Published |
20090251642 | RETARDATION FILM, BRIGHTNESS ENHANCEMENT FILM, POLARIZING PLATE, PRODUCING METHOD OF A RETARDATION FILM, AND LIQUID CRYSTAL DISPLAY - A retardation film that is used as a polarizing plate protective film, thereby making it possible to yield a polarizing plate which is very good in durability and has a viewing angle compensation function. The retardation film has: an optical anisotropic film, in which a relation of nx>ny is realized between a refractive index “nx” in a slow axis direction of an in-plane direction and a refractive index “ny” in a fast axis direction of the in-plane direction; and a retardation layer formed on the optical anisotropic film and containing a liquid crystalline material, in which a relation of nx≦ny10-08-2009 | |
20100104858 | HARD COAT FILM AND CURABLE RESIN COMPOSITION FOR HARD COAT LAYER - A curable resin composition for a hard coat layer capable of forming a hard coat layer having high hardness even with thin thickness and/or excellent in abrasion resistance and hardness, and a hard coat film using the curable resin composition are provided. A hard coat film in which a hard coat layer is provided on one side of a transparent substrate film, wherein the hard coat layer comprises a matrix in a crosslinked state and an aggregate in which 3 to 100 silica fine particles having an average primary particle diameter of 1 to 100 nm are aggregated, and wherein the aggregate is cross-linked to the matrix, and an irregularly shaped silica fine particle constituted with 3 to 20 silica fine particles having an average primary particle diameter of 1 to 100 nm connected to each other by inorganic chemical bonding is contained as a part of the aggregates. The hard coat layer further contains a silica fine particle preferably. | 04-29-2010 |
20100124631 | OPTICAL SHEET AND METHOD FOR PRODUCING THE SAME - The main object of the present invention is to provide an optical sheet having excellent abrasion resistance and hardness, and a method for producing the same. The present invention provides an optical sheet in which a hard coat layer is provided on one surface of a substrate, wherein the hard coat layer comprises a cured product of a curable resin composition for a hard coat layer, which comprises reactive inorganic fine particles and a binder component, and wherein fine protrusions are provided on an interface on the side opposite to the substrate side of the hard coat layer, in which the minimum angle of each of the fine protrusions making angles with a virtual plane that is parallel to the hard coat layer is an acute angle. The present invention also provides a method for producing the optical sheet, comprising the steps of: forming a coating by applying a curable resin composition for a hard coat layer to one surface of a substrate, which composition comprising reactive, irregularly shaped silica fine particles and a binder component, and forming a hard coat layer and fine protrusions by curing the coating while or after preventing that the long axes of the reactive, irregularly shaped silica fine particles are each oriented in a direction planar to a virtual plane. | 05-20-2010 |
20100124656 | OPTICAL SHEET AND METHOD FOR PRODUCING THE SAME - The present invention is to provide an optical sheet having excellent abrasion resistance and hardness, and a method for producing the same. The object of the present invention was accomplished by an optical sheet in which a hard coat layer is provided on one surface of a substrate, wherein the hard coat layer comprises a cured product of a curable resin composition for a hard coat layer, which composition comprising reactive, irregularly shaped silica fine particles and a binder component, and wherein at least part of the irregularly shaped silica fine particles have a specific three-dimensional configuration and are present on an interface on the side opposite to the substrate side of the hard coat layer. The object of the present invention was also accomplished by a method for producing the optical sheet, comprising the steps of: forming a coating by applying a curable resin composition for a hard coat layer comprising reactive, irregularly shaped silica fine particles and a binder component onto one surface of a substrate, and forming a hard coat layer by curing the coating with or after preventing that the long axes of the reactive, irregularly shaped silica fine particles are each oriented in a direction planar to a virtual plane. | 05-20-2010 |
20100149638 | OPTICAL FUNCTIONAL FILM, RETARDATION FILM, COMPOSITION FOR FORMING OPTICAL FUNCTIONAL LAYER AND PRODUCING METHOD OF OPTICAL FUNCTIONAL FILM - An optical functional film which exhibits excellent optical characteristics without using an alignment film, and having the excellent adhesion property between layers. The optical functional film includes: a substrate having a property as an optically negative C-plate, and an optical functional layer formed on the substrate and having a rodlike compound. The optical functional layer is formed directly on the substrate, and the rodlike compound forms a random homogeneous alignment in the optical functional layer. | 06-17-2010 |
20100159158 | OPTICAL FUNCTIONAL FILM AND PRODUCTION METHOD THEREOF - An optical functional film exhibiting optical biaxiality which has a high degree of freedom in optical characteristics design. The optical functional film which exhibits optical biaxiality and includes: a substrate; and an optical functional layer formed on the substrate and having a rodlike compound. The rodlike compound forms irregular-random homogeneous alignment in the optical functional layer. | 06-24-2010 |
20100165258 | OPTICAL ROTATION PLATE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A main object of the present invention is to provide a rotating plate hardly generating variation in the rotation angle of the liner polarization so as to easily realize a desired rotation angle, and a liquid crystal display device enabling observation of a bright image by use thereof even in a state with a polarizing glasses put on. To attain the object, the present invention provides an optical rotation plate comprising a transparent substrate, and an optical rotation layer formed on the transparent substrate and containing a rod-shaped compound for forming a cholesteric structure and having a function of rotating transmitted liner polarization, wherein the cholesteric structure has a 90 degrees or larger twist angle and a pitch in a range of 450 nm to 4,000 nm. | 07-01-2010 |
20100182545 | RETARDATION LAYER AND LIQUID CRYSTAL DISPLAY APPARATUS USING THE SAME - The present invention provides a retardation layer capable of effectively restraining the display quality deterioration without generating a bright and dark pattern in the display image even when a retardation layer is disposed in between a liquid crystal cell and a polarizing plate. | 07-22-2010 |
20100220266 | Polarizing plate protection film, polarizing plate, and liquid crystal display device - A polarizing plate protection film and a polarizing plate which can restrain generation of rainbow-like irregularities and enables to produce an excellent quality liquid crystal display device when a commercially-available film is used as it is under commercially-available conditions or when a film produced by a common film forming method is used. The polarizing plate protection film includes: a transparent substrate; and a refractive index difference-mitigating part formed on the transparent substrate and provided with a low refractive index layer at its most outer layer, in which the low refractive index layer has a refractive index to the light transmitted through the transparent substrate smaller than that of the transparent substrate and bigger than that of the air. An in-plane distribution of the in-plane retardation (Re) of the transparent substrate is 5 nm or more. | 09-02-2010 |
20100302489 | LIQUID CRYSTAL LAYER FORMING INK COMPOSITION, AND OPTICAL FILM, POLARIZING FILM AND LIQUID CRYSTAL DISPLAY PRODUCED WITH THE INK COMPOSITION - The present invention provides: an ink composition capable of forming a liquid crystal layer even on a base material with no alignment treatment applied, capable of obtaining a high contrast display when viewed from the front side, having a low Haze, capable of satisfying the physical properties required for the optical characteristics of an optical film, having a high production yield, and efficient and stable in terms of the industrial productivity; and an optical film, a polarizing film and a liquid crystal display produced using the ink composition. The liquid crystal layer forming ink composition comprises a liquid crystalline molecular material, an organic solvent for dissolving or dispersing the molecular material, and an alcohols solvent. By applying the ink composition on a base material | 12-02-2010 |
20110253932 | OPTICAL FUNCTIONAL FILM, RETARDATION FILM, COMPOSITION FOR FORMING OPTICAL FUNCTIONAL LAYER AND PRODUCING METHOD OF OPTICAL FUNCTIONAL FILM - An optical functional film which exhibits excellent optical characteristics without using an alignment film, and having the excellent adhesion property between layers. The optical functional film includes: a substrate having a property as an optically negative C-plate, and an optical functional layer formed on the substrate and having a rodlike compound. The optical functional layer is formed directly on the substrate, and the rodlike compound forms a random homogeneous alignment in the optical functional layer. | 10-20-2011 |
20120218626 | INFRARED-RAY REFLECTIVE MEMBER - Disclosed is an infrared-ray reflective member which efficiently reflects infrared rays (heat rays) contained in sunlight while transmitting visible light rays. The infrared-ray reflective member has an infrared-ray reflective layer having a selective reflection layer for reflecting infrared rays of a right-circularly polarized light component or a left-circularly polarized light component, and the infrared-ray reflective layer has a first reflection band corresponding to a first radiant energy band containing a peak located closest to the short-wavelength side of the infrared range of the spectrum of sunlight on earth, and when the maximum reflectance in the first reflection band is determined at R | 08-30-2012 |