Patent application number | Description | Published |
20080198316 | Liquid Crystal Display - A liquid crystal display comprising a first polarization film, a first retardation region, a second retardation region, a liquid crystal layer, a liquid crystal cell, and a second polarization film disposed in this order, liquid crystal molecules of the liquid crystal layer being aligned in parallel with surfaces of the substrates at the time of dark state, wherein Re of the first retardation region is 70 nm to 330 nm, Nz value of the first retardation region is greater than 0 and less than 0.4, Re of the second retardation region is equal to 50 nm or less and an optical axis is simultaneously not included in the in-plane of the second retardation region, Rth of the second retardation region is 10 nm to 140 nm, a slow axis of the first retardation region is orthogonal to a transmissive axis of the first polarization film that is simultaneously in parallel with a slow axis direction of the liquid crystal molecules at the time of dark state, each of the first and second polarization films has at least a protective film on a plane close to the liquid crystal layer, and the corresponding protective film is a cellulose acylate film which meets the formulae (I) and (II) below. | 08-21-2008 |
20080218672 | Liquid Crystal Display Device - A novel liquid crystal display device is disclosed. The liquid crystal display device comprises a first polarizing film, a first retardation area with an Re of 70 to 330 nm and a value of Nz of not less than 0 to less than 0.5 and a slow axis perpendicular to a transmission axis of the first polarizing film; a second retardation region with an Re of not greater than 50 nm and an Rth of 10 to 140 nm; and a liquid crystal cell comprising a liquid crystal layer with a slow axis in a black state parallel to the transmission axis of the first polarizing film; and a second polarizing film in this order. | 09-11-2008 |
20090009693 | Liquid Crystal Composition, Optical Compensation Film and Liquid Crystal Display Device - An optical compensation film capable of contributing to improvement in a viewing angle characteristic of a liquid crystal display device, especially an IPS mode liquid crystal display device is proposed. A composition comprises at least one onium salt, at least one rod-like liquid crystalline compound, and at least one additive capable of promoting a vertical alignment of molecules of the rod-like liquid crystalline compound at an air interface; and an optical compensation film comprising an optically anisotropic layer formed of the composition are disclosed. | 01-08-2009 |
20090040433 | LIQUID CRYSTAL DISPLAY DEVICE AND COLOR FILM PLATE, AND PROCESSES FOR PRODUCING THE SAME - A novel liquid crystal display device is disclosed. The liquid crystal display device comprises a first substrate, a second substrate, liquid crystal held between the first substrate and the second substrate, patterned layers divided into fine areas, disposed on the first substrate, comprising at least a patterned color filter layer and a patterned first optically anisotropic layer laminated in the direction of the normal line of the substrate, and a barrier wall disposed at a boundary portion of the adjacent fine areas of the patterned layers. | 02-12-2009 |
20090040454 | OPTICALLY ANISOTROPIC FILM, BRIGHTNESS INCREASING FILM, LAMINATED OPTICAL FILM, AND IMAGE DISPLAY DEVICE USING THE SAME - An optically anisotropic film comprising a liquid crystal compound forming a nematic phase or smectic A phase, the liquid crystalline phase satisfying the following inequality: | 02-12-2009 |
20090059763 | FILTER FOR OPTICAL RECORDING MEDIUM, OPTICAL RECORDING MEDIUM, METHOD FOR PRODUCING THE SAME, OPTICAL RECORDING METHOD AND OPTICAL REPRODUCING METHOD - The present invention provides a filter for optical recording medium capable of preventing diffuse reflection of an information beam and a reference beam from a reflective layer in the optical recording medium and preventing occurrence of noise without causing shift in selective reflection wavelength, and distortion in a reproduced image even when an angle of incidence is changed, and an optical recording medium capable of recording a high density image by using the filter. Specifically, the present invention relates to the optical recording medium containing a first substrate, a recording layer which records information by utilizing holography, an optical compensation layer, a filter layer, and a second substrate, in this order, and the filter layer is a cholesteric liquid crystal layer. | 03-05-2009 |
20090168001 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device comprising a pair of substrates, at least one polarizing film provided outside the pair of substrates, a liquid crystal cell having a red color filter, a green color filter and a blue color filter provided inside the pair of substrates, a first retardation film compensating for light of a wavelength or wavelengths corresponding to a color or colors of any one or two of the three color filters, and a second retardation film compensating for light of a wavelength that is not compensated for by the first retardation film. | 07-02-2009 |
20090268143 | VERTICAL ALIGNMENT FILM AND VA MODE LIQUID CRYSTAL CELL - The present invention provides a vertical alignment film having a polymerizable liquid crystal compound having negative dielectric constant anisotropy, where the polymerizable liquid crystal compound is vertically aligned against the surface of the substrate, and then the polymerizable liquid crystal compound is fixed to form the vertical alignment film. | 10-29-2009 |
20090286005 | Anisotropic liquid surface forming agent and anisotropic liquid surface forming method - An agent comprising a substituted aromatic azo compound is capable of making a liquid surface express anisotropy in a simplified manner. | 11-19-2009 |
20090290100 | Cellulose Acylate Film, Method of Producing the Same, Cellulose Derivative Film, Optically Compensatory Film Using the Same, Optically-Compensatory Film Incorporating Polarizing Plate, Polarizing Plate and Liquid Crystal Display Device - A method of producing a cellulose derivative film, the method comprising: forming a film with a solvent cast method from a dope including a cellulose derivative satisfying following conditions (a) and (b): (a) at least one among three hydroxyl groups included in a glucose unit of cellulose is substituted by a substituent of which a polarizability anisotropy Δα represented as following Expression (1) is 2.5×10 | 11-26-2009 |
20100045901 | OPTICAL FILM AND RETARDATION SHEET, AND LIQUID CRYSTAL COMPOUND - A compound of formula (1): wherein A | 02-25-2010 |
20100157204 | OPTICALLY ANISOTROPIC FILM AND LIQUID CRYSTAL DISPLAY DEVICE - An optically anisotropic film comprising at least one species of liquid crystal compound which exhibits a nematic phase or a smectic phase, the liquid crystal phase showing birefringence Δn(λ) at wavelength λ which satisfies the numerical expression ( | 06-24-2010 |
20110051052 | POLARIZING FILM, LAMINATE, AND LIQUID CRYSTAL DISPLAY DEVICE - A polarizing film, satisfying DI′/P′≦4.3×10 | 03-03-2011 |
20110063552 | LIQUID CRYSTAL DISPLAY DEVICE, AND LIQUID CRYSTAL CELL - Disclosed a liquid crystal display device comprising at least one polarizing plate; and a liquid crystal cell comprising a multi-domain liquid crystal layer ( | 03-17-2011 |
20120088037 | PROCESS OF PREPARING LIGHT REFLECTIVE FILM - A process stably produces a light reflective film with plural light reflective layers formed of a fixed cholesteric liquid crystal phase, having high transparency and excellent light-reflective characteristics. The process of preparing a light reflective film having at least two light reflective layers formed of a fixed cholesteric liquid crystal phase includes first allowing a curable liquid crystal composition to form a cholesteric liquid crystal phase on a first light reflective layer formed of a fixed cholesteric liquid crystal phase, then carrying out a curing reaction of the curable liquid crystal composition under an irradiation of an ultraviolet light to fix the cholesteric liquid-crystal phase, thereby to form a second light reflective layer. In the second step, the ultraviolet light is irradiated to the curable liquid crystal composition through a member capable of lowering at least the intensity of the ultraviolet light with a wavelength of 340 nm or shorter. | 04-12-2012 |
20120094118 | INFRARED LIGHT REFLECTOR, INFRARED LIGHT REFLECTING LAMINATED GLASS, AND LAMINATED GLASS AND LAMINATE HAVE CHOLESTERIC LIQUID CRYSTAL LAYERS - To provide an infrared-light reflective plate having improved selective reflectivity characteristics, there is provided an infrared-light reflective plate reflects an infrared-light of equal to or longer than 700 nm including a substrate, and, on at least one of surfaces of the substrate, at least four light-reflective layers, X | 04-19-2012 |
20120099054 | COLOR FILTER AND LIGHT-EMITTING DISPLAY ELEMENT - A color filter for use in a light-emitting display element which emits at least white light, the color filter including a circularly polarizing layer which includes a polarizing layer, the polarizing layer having an orientation layer and a liquid crystal compound layer, wherein the circularly polarizing layer is formed only in an optical path of the white light. | 04-26-2012 |
20120245247 | ANISOTROPIC LIQUID SURFACE FORMING AGENT AND ANISOTROPIC LIQUID SURFACE FORMING METHOD - An agent comprising a substituted aromatic azo compound is capable of making a liquid surface express anisotropy in a simplified manner. | 09-27-2012 |
20140184988 | OPTICAL FILM, POLARIZING PLATE, LIQUID CRYSTAL DISPLAY, AND METHOD OF MANUFACTURING OPTICAL FILM - Provided is an optical film which is resistant to repelling, bright dots, irregularity, and the use of such an optical film in a liquid crystal display leads to high front contrast, reduced grayscale inversion, and a reduced difference between a front image and an oblique image in grayscale reproducibility and color. The optical film including a first optically anisotropic layer; and a second optically anisotropic layer on the first optically anisotropic layer, wherein the first optically anisotropic layer is a layer of liquid crystal compounds aligned and fixed by polymerization, and the surface tilt angle of molecules of the liquid crystal compound is in a range of 5° to 80° at a site in contact with the second optically anisotropic layer. | 07-03-2014 |
20140284582 | PHASE DIFFERENCE PLATE FOR CIRCULARLY POLARIZING PLATE, CIRCULARLY POLARIZING PLATE, AND ORGANIC ELECTROLUMINESCENCE DISPLAY APPARATUS - The phase difference plate for a circularly polarizing plate includes a first optically anisotropic layer; and a second optically anisotropic layer, in which the first and second optically anisotropic layers contain a liquid crystal compound that is helically aligned around a helical axis which is in a thickness direction of each of the layers, the liquid crystal compound has a same helix direction in the first optically anisotropic layer and in the second optically anisotropic layer, and a helix angle of the liquid crystal compound each in the first optically anisotropic layer and in the second optically anisotropic layer is in a predetermined range. The phase difference plate can sufficiently suppress the mixing of black with another color observed in the front direction when being stuck as a circularly polarizing plate on a display apparatus. | 09-25-2014 |
20140284583 | PHASE DIFFERENCE PLATE FOR CIRCULARLY POLARIZING PLATE, CIRCULARLY POLARIZING PLATE, AND ORGANIC ELECTROLUMINESCENCE DISPLAY APPARATUS - The phase difference plate for a circularly polarizing plate including a first optically anisotropic layer, and a second optically anisotropic layer, in which the first optically anisotropic layer contains a liquid crystal compound helically aligned around a helical axis in its thickness direction, a helix angle of the liquid crystal compound in the first optically anisotropic layer is in a predetermined range, and an in-plane slow axis in a surface of the first optically anisotropic layer at the second optically anisotropic layer side is in parallel with an in-plane slow axis of the second optically anisotropic layer. The phase difference plate can sufficiently suppress the mixing of black with another color observed in the front direction when being stuck as a circularly polarizing plate on a display apparatus. | 09-25-2014 |