Patent application number | Description | Published |
20090002608 | Polarizer, optical film using the same, and image display device using the same - A polarizer that can be used for forming a liquid crystal display or an electroluminescent display with less display irregularities and excellent display characteristics is provided. The polarizer contains a dichroic material in a matrix, and its in-plane retardation at a measurement wavelength providing no absorption is in a range of 950 to 1350 nm. The measurement wavelength is preferably a wavelength that the dichroic material provides no absorption, and it is 1000 nm, for example. | 01-01-2009 |
20090147359 | METHOD FOR MANUFACTURING POLARIZING FILM, POLARIZING FILM OBTAINED BY THE METHOD, AND IMAGE DISPLAY APPARATUS USING THE POLARIZING FILM - The present invention provides a method for manufacturing a polarizing film, by which, even when a wide raw film is used, it is possible to obtain a polarizing film that achieves excellent optical characteristics as well as uniformity in in-plane optical characteristics. The method includes the steps of dyeing a polymer film; stretching the dyed film; and drying the film that has undergone the dyeing and stretching steps while conveying the film with rolls. In the drying step, at least two rolls are used as the rolls and the film is dried under a condition that a ratio (R/W) of a distance (R) between the adjacent rolls to an initial width (W) of the polymer film is not less than 0.5 and not more than 4.0. | 06-11-2009 |
20090187012 | POLARIZER, COATING LIQUID, AND MANUFACTURING METHOD FOR POLARIZER - A polarizer of the present invention comprises an azo compound which is represented by the following general formula (I). In the general formula (I), Q | 07-23-2009 |
20090207349 | LIQUID CRYSTAL PANEL PROVIDED WITH LIQUID CRYSTAL CELL HAVING MULTIGAP STRUCTURE, AND LIQUID CRYSTAL DISPLAY - A liquid crystal panel of the present invention comprises a liquid crystal cell, a first polarizing plate arranged on one of both sides of the liquid crystal cell, and a second polarizing plate arranged on the other side of the liquid crystal cell, wherein the liquid crystal cell comprises red, green and blue color filters, and a liquid crystal layer. The liquid crystal layer has a multigap structure satisfying the following relationship: d | 08-20-2009 |
20100285242 | METHOD FOR MANUFACTURING OPTICAL LAMINATED BODY - Provided is a method for manufacturing an optical laminated body having a substrate and a polarizing film that contains a lyotropic liquid crystal compound and is formed on the substrate. The method includes a step (A) of applying a coating liquid containing the lyotropic liquid crystal compound and a solvent onto the substrate and forming a coat film with the lyotropic liquid crystal compound orientated in one direction, and a step (B) of applying a magnetic field to the coat film in a direction substantially parallel to an orientation direction of the lyotropic liquid crystal compound. | 11-11-2010 |
20100288166 | POLARIZING FILM, COATING LIQUID, AND IMAGE DISPLAY - The polarizing film of the present invention contains the azo compound represented by the following general formula (I). | 11-18-2010 |
20110134526 | WATER-RESISTANT POLARIZING FILM, PROCESS FOR PRODUCING WATER-RESISTANT POLARIZING FILM, AND IMAGE DISPLAY DEVICE - A water-resistant polarizing film of the present invention contains an organic colorant having an anionic group and a non-cyclic compound having 2 to 5 nitrogen atoms. The non-cyclic compound is a linear aliphatic diamine or a salt thereof and more preferably an aliphatic diamine having 2 to 8 carbon atoms or a salt thereof. For example, the water-resistant polarizing film of the present invention can be produced by bringing a treating liquid containing the non-cyclic compound into contact with a single surface or both surfaces of a polarizing film containing the organic colorant. | 06-09-2011 |
20110141430 | POLARIZING FILM AND METHOD FOR PRODUCING THE SAME - There is provided a polarizing film exhibiting a stable and high dichroic ratio by forming a film using a water solution in which a metal capture agent has been added, even if multivalent metal cations are included. | 06-16-2011 |
20110205629 | WATER-RESISTANT POLARIZING FILM, PROCESS FOR PRODUCING WATER-RESISTANT POLARIZING FILM, AND IMAGE DISPLAY DEVICE - The water-resistant polarizing film of the present invention comprises an organic colorant having an anionic group, and organic nitrogen compounds. The organic nitrogen compounds include a first organic nitrogen compound having at least two nitrogen atoms in the molecule thereof, and a second organic nitrogen compound having at least two nitrogen atoms in the molecule thereof. The distance (A) between adjacent nitrogen atoms in the first organic nitrogen compound is shorter than the distance (B) between adjacent atoms of the nitrogen atoms in the second organic nitrogen compound. | 08-25-2011 |
20110284810 | WATER-RESISTANT POLARIZING FILM, AND PROCESS FOR PRODUCING THE SAME - There is provided a water-resistant polarizing film including an organic dye having at least two anionic groups, and an alicyclic structure-containing compound having at least two nitrogen atoms in a molecule. Examples of the organic dye typically include an azo compound represented by the following general formula (2): | 11-24-2011 |
20110297897 | PROCESS FOR PRODUCING WATER-PROOF POLARIZING FILM | 12-08-2011 |
20120028013 | CONDUCTIVE POLARIZED FILM, METHOD FOR MANUFACTURING THEREOF AND DISPLAY OR INPUT DEVICE INCLUDING THEREOF - The present invention to provide a conductive polarized film that has excellent see-through visibility and heat resistance, and low resistivity. The conductive polarized film of the present invention has a support film, an organic dye film, a silicon nitride layer and a transparent conductive film, in that order. | 02-02-2012 |
20120059157 | METHOD FOR MANUFACTURING WATER RESISTANT OPTICALLY ANISOTROPIC FILM, AND IMAGE DISPLAY DEVICE - The present invention relates to a method for manufacturing a water resistant optically anisotropic film comprising: a water resistant treatment step of bringing an optically anisotropic film containing an organic dye having an anionic group into contact with a water resistant treatment liquid containing a multivalent metal salt or a compound having two or more nitrogen atoms in a molecule thereof; and a cleaning step of cleaning the optically anisotropic film after the water resistant treatment, using a cleaning liquid containing a hydrophilic organic compound. | 03-08-2012 |
20120105795 | LIQUID-CRYSTALLINE COATING SOLUTION AND POLARIZING FILM - It is possible to obtain a polarizing film having a high dichroic ratio by using a liquid-crystalline coating solution in which a small quantity of a second lyotropic liquid-crystalline low-molecular compound is mixed with a first lyotropic liquid-crystalline low-molecular compound. The second lyotropic liquid-crystalline low-molecular compound has a mole number smaller than the first lyotropic liquid-crystalline low-molecular compound. The molecular size of the second lyotropic liquid-crystalline low-molecular compound is smaller than that of the first lyotropic liquid-crystalline low-molecular compound. | 05-03-2012 |
20130209691 | METHOD FOR PRODUCING WATERPROOF ORGANIC THIN FILM - The present invention provides a method for producing a waterproof organic thin film being capable of restraining the generation of defects such as a crack. The method for producing a waterproof organic thin film includes a waterproofing step of preparing a long laminate having an organic thin film and bringing at least the organic thin film into contact with a waterproofing-treatment liquid, a washing step of washing at least the organic thin film surface of the long laminate, and a conveying step to be performed between the waterproofing step and the washing step, the conveying step being a step of conveying the long laminate from the waterproofing step to the washing step, wherein in the conveying step, the long laminate is conveyed while the waterproofing-treatment liquid remaining on the organic thin film surface is caused to flow relatively to the organic thin film surface. | 08-15-2013 |
20140046042 | LIQUID-CRYSTALLINE COATING FLUID AND POLARIZING FILM - A liquid-crystalline coating fluid which comprises: an azo compound represented by the following general formula (1); and a solvent to dissolve the azo compound: | 02-13-2014 |
Patent application number | Description | Published |
20100038589 | LYOTROPIC LIQUID CRYSTALLINE MIXTURE, COATING LIQUID, AND OPTICAL ANISOTROPIC FILM - The lyotropic liquid crystalline mixture of the present invention comprises at least a first azo compound and a second azo compound in relation of constitutional isomers wherein the first azo compound and the second azo compound are the constitutional isomers different in a binding site of at least an azo group. The first azo compound is preferably an azo compound wherein the azo group is bonded to an ortho-position of a hydroxyl group of an aminonaphthol skeleton. The second azo compound is preferably an azo compound wherein the azo group is bonded to an ortho-position of an amino group of an aminonaphthol skeleton. | 02-18-2010 |
20100039608 | LIQUID CRYSTAL COATING SOLUTION, AND POLARIZING FILM - A liquid crystalline coating solution which comprises: an azo compound represented by the following general formula (1); and a solvent to dissolve the azo compound: | 02-18-2010 |
20100062259 | METHOD FOR MANUFACTURING LAMINATE AND LAMINATE - The present invention provides a method for manufacturing a laminate having a hydrophobic resin substrate and an orientation layer containing an organic dye, wherein the method comprises a step (1) of carrying out a plasma treatment on a surface of the hydrophobic resin substrate under an atmosphere having a nitrogen concentration of 80% or higher and a step (2) of forming the orientation layer containing the organic dye on the hydrophobic resin substrate by applying a solution containing the organic dye exhibiting lyotropic liquid crystallinity and a hydrophilic solvent on the surface of the hydrophobic resin substrate on which the plasma treatment is carried out and drying the solution. | 03-11-2010 |
20100065974 | PROCESSES FOR PRODUCING COATING FLUID AND OPTICALLY ANISOTROPIC FILM - A process for the producing a coating fluid of the present invention comprises a step of adjusting a pH of the coating fluid by mixing ammonium hydroxide into an acid solution containing a lyotropic liquid crystal compound and a solvent. Further, a process for the producing an optically anisotropic film of the present invention comprises a step of obtaining an optically anisotropic film by casting the coating fluid produced by the aforementioned process for production of the coating fluid in a thin film state, followed by drying. | 03-18-2010 |
20100110361 | LIQUID CRYSTALLINE COATING SOLUTION AND POLARIZING FILM - A liquid crystalline coating solution which comprises: an azo compound represented by the following general formula (I); and a solvent to dissolve the azo compound: | 05-06-2010 |
20100128216 | LIQUID-CRYSTALLINE COATING FLUID AND POLARIZING FILM - A liquid-crystalline coating fluid comprises: a lyotropic liquid crystal compound; a vinyl alcohol-based polymer; and a solvent, wherein 0.05 to 1.5 weight parts of vinyl alcohol-based polymer is contained with respect to 100 weight parts of the lyotropic liquid-crystal compound. | 05-27-2010 |
20120062829 | LIQUID-CRYSTAL COATING FLUID AND POLARIZING FILM - A liquid-crystal coating fluid which comprises: an azo compound represented by the following general formula (1); and a solvent to dissolve the azo compound: | 03-15-2012 |
20120180700 | COATING FLUID, PROCESS FOR PRODUCING SAME, AND POLARIZING FILM - There is provided a polarizing film with a high dichroic ratio obtained by causing lithium ions and cesium ions to coexist at a specific ratio in a coating fluid containing a lyotropic liquid crystalline dye having an acidic group. It is presumed that the reason why the dichroic ratio becomes higher is that lyotropic liquid crystalline dyes become easier to be uniformly oriented as a result of an appropriate extension of intermolecular distance among the lyotropic liquid crystalline dyes by coupling lithium ions having a small radius and cesium ions having a large radius to an acidic group of each of the lyotropic liquid crystalline dyes in the coating fluid. | 07-19-2012 |
20120216714 | LIQUID-CRYSTALLINE COATING FLUID AND POLARIZING FILM - A liquid-crystalline coating fluid which comprises: an azo compound represented by the following general formula (1); and a solvent to dissolve the azo compound: | 08-30-2012 |
20120314179 | METHOD OF PRODUCING LIQUID CRYSTALLINE COATING LIQUID, AND OPTICALLY ANISOTROPIC FILM - The present invention provides a method of producing a liquid crystalline coating liquid that substantially does not contain a fine crystal. The method of producing a liquid crystalline coating liquid of the present invention contains a heating step of heating a treatment liquid containing a lyotropic liquid crystalline compound containing an impurity, and a solvent, a depositing step of depositing a deposit by cooling the treatment liquid after the heating step to a temperature lower than 40° C., and a removing step of removing the deposit from the treatment liquid. | 12-13-2012 |
20130032277 | MANUFACTURING METHOD FOR TRANSPARENT SUBSTRATE - There is provided a manufacturing method for a transparent substrate excellent in bending property, flexibility, impact resistance, and external appearance. A manufacturing method for a transparent substrate according to an embodiment of the present invention includes: a step A of applying a thermoplastic resin (A) composition solution onto a support backing having solvent permeability to form an applied layer; a step B of attaching at least one surface of an inorganic glass and the applied layer to each other via an adhesive composition to form a laminate; a step C of subjecting the laminate to a first heat treatment to reduce an amount of a solvent remaining in the applied layer to a predetermined amount; and a step D including peeling the support backing from the laminate and subjecting the resultant to a second heat treatment to dry the applied layer, thereby forming a thermoplastic resin layer. | 02-07-2013 |
20130149557 | METHOD FOR MANUFACTURING WATER RESISTANT OPTICALLY ANISOTROPIC FILM, AND WATER RESISTANT OPTICALLY ANISOTROPIC FILM - A method for manufacturing a water resistant optically anisotropic film capable of suppressing the generation of a defect such as a crack or separation is provided. The method for manufacturing the water resistant optically anisotropic of the present invention includes a water resistant treatment step of bringing an optically anisotropic film containing an organic dye having an anionic group into contact with a water resistant treatment liquid containing a multivalent cationic compound and a monovalent cationic compound, and the mass ratio of the multivalent cationic compound and the monovalent cationic compound contained in the water resistant treatment liquid, monovalent cationic compound/multivalent cationic compound, is 0.01 to 2. | 06-13-2013 |
20130235457 | METHOD FOR MANUFACTURING LONG LAMINATED POLARIZING PLATE AND LONG LAMINATED POLARIZING PLATE - It is an object of the invention to provide a method for manufacturing a long laminated polarizing plate having a long polarizing coating formed by coating directly on a long retardation film and to provide such a long laminated polarizing plate. The present invention relates to a method for manufacturing a long laminated polarizing plate comprising a long retardation film having a slow axis in its longitudinal direction and a long polarizing coating placed on the retardation film and having an absorption axis or a transmission axis in an in-plane direction at an angle of 25 to 65° to the slow axis direction of the long retardation film. | 09-12-2013 |
20140044870 | MANUFACTURING METHOD OF LONG-SIZED CIRCULARLY POLARIZING PLATE - A long-sized circularly polarizing plate consisting of long-sized retardation film having slow axis in one of in-plane directions and long-sized polarizing film having absorption axis in one direction within range of 25° to 65° with reference to the slow axis is manufactured through steps of: step A for applying rubbing treatment to the retardation film being conveyed, in such a manner that bottom surface of the retardation film is supported with first guide roll and second guide rolled arranged further downstream of the first guide roll along conveying direction of the retardation film while top surface thereof is pushed with rubbing roll between the first guide roll and the second guide roll; and step B for forming the polarizing film by applying liquid crystalline solution containing dichroic material to the top surface of the retardation film subjected to the rubbing treatment at step A and aligning the dichroic material there. | 02-13-2014 |
20140048200 | METHOD FOR PRODUCING OPTICAL LAMINATE - A method for producing an optical laminate including a film substrate and a polarizing layer which comprises the steps of: (A) laminating a re-releasable film on one main surface of the film substrate to obtain a laminate film substrate; B) performing a rubbing treatment on the other main surface of the film substrate of the laminate film substrate; C) coating the rubbing-treated surface of the film substrate with a solution containing a lyotropic liquid crystal compound and a solvent; and D) detaching the re-releasable film from the laminate film substrate. | 02-20-2014 |
20140065304 | METHOD FOR MANUFACTURING LONG LAMINATE FILM - Provided is a method for manufacturing a long laminate film having a uniform coating layer while suppressing wrinkling of the coating receiving surface of a long film used as a base film, | 03-06-2014 |
20150072125 | TRANSPARENT SHEET AND METHOD FOR MANUFACTURING SAME - Provided is a transparent sheet that is prevented from curling, is excellent in external appearance, prevents the progress of a crack, and the rupture, of its glass, and is excellent in flexibility. A transparent sheet of the present invention includes: an inorganic glass; and a resin film bonded onto one side, or each of both sides, of the inorganic glass through an adhesion layer, in which: the inorganic glass has a thickness of from 35 μm to 100 μm; the adhesion layer has a single-layer thickness of more than 10 μm and (the thickness of the inorganic glass×0.3) μm or less; the adhesion layer has a modulus of elasticity at 25° C. of from 1.2 GPa to 10 GPa; and a ratio of a total thickness of the resin film to the thickness of the inorganic glass is from 0.9 to 4. | 03-12-2015 |
20150072155 | MANUFACTURING METHOD FOR TRANSPARENT SUBSTRATE - There is provided a manufacturing method for a transparent substrate excellent in bending property, flexibility, impact resistance, and external appearance. A manufacturing method for a transparent substrate according to an embodiment of the present invention includes: a step A of applying a thermoplastic resin (A) composition solution onto a support backing having solvent permeability to form an applied layer; a step B of attaching at least one surface of an inorganic glass and the applied layer to each other via an adhesive composition to form a laminate; a step C of subjecting the laminate to a first heat treatment to reduce an amount of a solvent remaining in the applied layer to a predetermined amount; and a step D including peeling the support backing from the laminate and subjecting the resultant to a second heat treatment to dry the applied layer, thereby forming a thermoplastic resin layer. | 03-12-2015 |