Patent application number | Description | Published |
20100165264 | LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY - The present invention provides a liquid crystal panel that can provide a neutral display that is free from coloring in every direction. The liquid crystal panel includes a first polarizer | 07-01-2010 |
20100321780 | METHOD FOR PRODUCING OPTICAL FILM, OPTICAL FILM, AND IMAGE DISPLAY - A method for producing an optical film including a birefringent layer having a refractive index distribution satisfying nx>nz>ny that can be produced by a small number of steps, contains less foreign matter trapped therein, and has high productivity. | 12-23-2010 |
20110134384 | LIQUID CRYSTAL DISPLAY - A liquid crystal display that can suppress an irregularity in temperature in planes of a liquid crystal cell and polarizers, which is caused by heat radiated from a backlight and can | 06-09-2011 |
20120081785 | METHOD FOR PRODUCING OPTICAL FILM, OPTICAL FILM, LAMINATED POLARIZING PLATE, AND IMAGE DISPLAY - A method for producing an optical film including a birefringence layer having a refractive index distribution that satisfies nx>nz>ny, by which productivity of an optical film becomes high because there are a few steps, and a contamination is reduced, is provided. The method for producing an optical film including a birefringence layer includes forming an applied film by applying a birefringence layer forming material containing a non-liquid crystalline material with a birefringence (Δnxz) in the thickness direction thereof of 0.0007 or more directly on a shrinkable film, and forming a birefringence layer having a refractive index distribution that satisfies nx>nz>ny by shrinking the applied film through shrinking the shrinkable film. | 04-05-2012 |
20120219707 | PROCESS FOR PRODUCTION OF BROAD-BAND CHOLESTERIC LIQUID CRYSTAL FILM - The production method for a broadband cholesteric liquid crystal film having a reflection bandwidth of 300 nm or more includes the steps of: applying a liquid crystal composition containing a polymerizable mesogenic compound (a), a polymerizable chiral agent (b), and a thermal polymerization initiator (c) onto an alignment base material ; and providing a broadband characteristic to the liquid crystal composition through thermal polymerization, and has the following feature (i) or (ii). (i) The thermal polymerization initiator (c) is contained in the liquid crystal composition at a ratio of 0.2 to 4 parts by weight with respect to 100 parts by weight of a total of the polymerizable mesogenic compound (a) and the polymerizable chiral agent (b). (ii) The thermal polymerization is carried out at a heating temperature of 70 to 150° C. under an inert gas atmosphere containing oxygen at an oxygen concentration of 5 vol % or less. | 08-30-2012 |
20130249378 | ANTI-REFLECTION CIRCULARLY POLARIZING PLATE FOR ORGANIC EL DISPLAY AND ORGANIC EL DISPLAY - A retardation film which comprises a stretched polymer film and satisfies the following formulae (1) to (3): | 09-26-2013 |
20140268333 | RETARDATION FILM, AND CIRCULARLY POLARIZING PLATE AND IMAGE DISPLAY DEVICE EACH USING THE SAME - An object of the present invention is to provide a retardation film succeeded in solving those conventional problems, that is, a retardation film insusceptible to color dropout or color shift even under environment of severe temperature or humidity conditions and capable of being produced by a melt film-forming method. The retardation film of the present invention satisfies the relationships of the following formulae (A) and (B): | 09-18-2014 |
20140268334 | POLYCARBONATE RESIN AND TRANSPARENT FILM FORMED THEREFROM - The polycarbonate resin of the invention includes a first structural unit derived from a dihydroxy compound represented by a general formula (1), a second structural unit derived from a dihydroxy compound represented by a general formula (2), and a third structural unit derived from at least one dihydroxy compound selected from the group consisting of a dihydroxy compound represented by a general formula (3), a dihydroxy compound represented by a general formula (4), a dihydroxy compound represented by a general formula (5), and a dihydroxy compound represented by a general formula (6), and in which the first structural unit derived from a dihydroxy compound represented by the general formula (1) accounts for 18% by mole or more of the polycarbonate resin. The above general formulae (1) to (6) are described in the specification of the present application. | 09-18-2014 |
20140285888 | RETARDATION FILM, AND CIRCULARLY POLARIZING PLATE AND IMAGE DISPLAY DEVICE EACH USING THE SAME - A retardation film insusceptible to color dropout or color shift even under environment of severe temperature or humidity conditions and capable of being produced by a melt film-forming method. The retardation film is obtained by molding at least one polymer selected from polycarbonate and polyester carbonate each having a glass transition temperature of 110 to 180° C. and satisfies the relationships of the following formulae (A) and (B): | 09-25-2014 |
20140327963 | METHOD OF PRODUCING RETARDATION FILM - The present invention provides a method of producing a retardation film excellent in stretchability and capable of achieving high alignment property. The method of producing a retardation film of the present invention is the method in which a lengthy resin film is stretched in a widthwise direction thereof while being conveyed in a lengthwise direction thereof to provide a retardation film satisfying a relationship of 0.7011-06-2014 | |
20150029442 | LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal display apparatus includes a liquid crystal display panel including a liquid crystal cell between first second polarizing plates; and a surface light source device. The surface light source device includes a light source unit, a light guide plate for outputting first directivity light having directivity of maximum intensity in a first direction, which forms a predetermined angle from a normal direction of the light output surface in a plane approximately parallel to a light guiding direction of light, and having a high ratio of a polarized light component oscillating in the plane and a prism sheet being configured to convert the first directivity light into second directivity light directed in a second direction within a predetermined angle from the normal direction of the light output surface of the light guide plate while substantially maintaining a polarization state of the first directivity light. | 01-29-2015 |
20150029587 | RETARDATION FILM AND PRODUCTION METHOD THEREFOR, POLARIZING PLATE, AND DISPLAY DEVICE - Provided is a producing method for a retardation film with a reverse wavelength dispersion property, which is highly reliable in terms of a small wavelength dispersion change and is low in display unevenness due to a position dependence of a retardation variation. The production method is designed for a retardation film which satisfies the following formulas (1) and (2): 0.701-29-2015 | |