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 |
20100047483 | BIREFRINGENT FILM, LAMINATED FILM, AND IMAGE DISPLAY DEVICE - The present invention provides a birefringent film having an index ellipsoid satisfying a relationship of nz>nx>ny, and having thinness and light weight, which can be relatively easily produced. | 02-25-2010 |
20100047485 | POLARIZING FILM - A polarizing film formed by orienting organic dyes composed of a lyotropic liquid crystal compound, which comprises an acenaphtho[1,2-b]quinoxaline-base compound, wherein the content of the acenaphtho[1,2-b]quinoxaline-base compound is less than 10 weight parts with respect to 100 weight parts of the organic dyes. | 02-25-2010 |
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 |
20100067112 | OPTICAL LAMINATE, POLARIZING PLATE, IMAGE DISPLAY, AND PROCESS FOR PRODUCING AN OPTICAL LAMINATE - An object of the present invention is to provide a thin optical laminate a refractive index of which is three-dimensionally controlled. | 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 |
20100128211 | BIREFRINGENT FILM, LAMINATED FILM, AND IMAGE DISPLAY DEVICE - The present invention provides a thin and light-weight birefringent film having a desired Nz coefficient, such that an index ellipsoid satisfies a relationship of nx≧nz>ny. | 05-27-2010 |
20100165284 | METHOD OF PRODUCING OPTICAL LAMINATE AND IMAGE DISPLAYING APPARATUS - The present invention provides a method of producing an optical laminate that can produce an optical laminate including an applied film containing a lyotropic liquid crystalline compound so that the thickness of the applied film will be approximately uniform. | 07-01-2010 |
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 |
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 |
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 |
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 |
20130277871 | PROCESS FOR PRODUCING WATER-RESISTANT POLARIZING FILM - To obtain a water-resistant polarizing film free from deterioration in dichroic ratio caused by water-resistant treatment, it is critical that adjacent sulfonic acid groups or sulfonate groups in the organic dyes to be used for the polarizing film are spaced at moderate intervals. In a process for producing a water-resistant polarizing film of the present invention, the polarizing film before water-resistant treatment includes an organic dye which comprises an azo compound | 10-24-2013 |
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 |