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| Number | Title | Issue Date |
| 8187493 | PDLC films A grafted polymer and its use in polymer/liquid crystal composite films, and more particularly in PDLC films, is disclosed. The grafted polymer includes (alkyl)acrylic acid or (alkyl)acrylamide moieties. At least one of the moieties is grafted with an alkylphenol or... | 05/29/2012 |
| 7803285 | Liquid crystal display device and associated liquid crystal media for use in the same A reverse mode liquid crystal display device, including: a first substantially transparent substrate having an electrically conductive material associated therewith; a second substrate having an electrically conductive material associated therewith; an insulating la... | 09/28/2010 |
| 7718086 | Dichroic dye, and liquid crystal composition and liquid crystal device using the same The present invention provides one or more dichroic dyes which exhibit high solubility in liquid crystal and a high order parameter. The dichroic dyes each have a first substituent having at least one cis-cyclohexane ring and/or a second substituent having at least ... | 05/18/2010 |
| 7713440 | Stabilized uncoated particles of reversed liquid crystalline phase materials A pharmaceutical composition comprises uncoated particles of a single thermodynamic equilibrium reversed cubic phase material containing an active agent disposed within. The uncoated particles have an anionic charge that is sufficient to stabilize them in dispersion... | 05/11/2010 |
| 7435357 | Polymerised liquid crystal film with retardation or orientation pattern The invention relates to a polymerised liquid crystal (LC) film comprising at least one photoisomerisable compound and having a pattern of regions with different retardation and/or different orientation of the LC material, to methods of preparing such a film, and to... | 10/14/2008 |
| 7427364 | Liquid crystal composition, liquid crystal element, and cross-linked siloxane polymer The present invention provides a liquid crystal composition obtained by dissolving a dichroic dye in a mixture of a cross-linked polymer having a liquid crystalline group in the side chains and a low molecular weight liquid crystal, and preferably the cross-linked p... | 09/23/2008 |
| 7419620 | Dichroic mixtures A mesogenic, crosslinkable mixture comprising at least one polymerisable liquid crystal and at least one polymerisable dichroic dye of the general formula I: wherein A represents a dichroic residue exhibiting at lea... | 09/02/2008 |
| 7416683 | Liquid crystal mixed composition and retardation film using same The invention relates to a liquid crystal mixed-composition comprising one or more cellulose derivatives and one or more liquid crystal compounds (preferably low-molecular liquid crystal compound) which can be oriented in a specific direction differing from that of ... | 08/26/2008 |
| 7416682 | Photochromic liquid crystals The invention relates to novel photochromic liquid crystal materials which may be used in various electro-optic devices including liquid crystal devices. The materials can be converted into another form on irradiation by light which may make it feasible for them to ... | 08/26/2008 |
| 7413679 | Tailoring material composition for optimization of application-specific switchable holograms The process described herein offers the optimizing of performance parameters of holograms, such as reducing scattering effects in a polymer-dispersed liquid crystal optical element. In the process, an interfacial tension agent is added to a polymer-dispersed liquid ... | 08/19/2008 |
| 7407603 | Liquid crystal device, compositions and method of manufacture A liquid crystal device comprises a layer of a liquid crystal material contained between two spaced-apart cell walls with electrodes for applying an electric field across at least some of the liquid crystal material. At least one of the cell walls includes an alignm... | 08/05/2008 |
| 7402331 | Liquid crystal element A liquid crystal element in which a liquid crystal layer containing at least two types of dual frequency addressable smectic liquid crystal compositions having different threshold voltage are disposed between one pair of electrodes at least one of them being a trans... | 07/22/2008 |
| 7396573 | Liquid crystal display element and light-modulating material The invention provides a liquid crystal display element and a light-modulating material each containing at least one low molecular weight gelling agent, at least one dichroic dye having a substituent represented by formula (1) and at least one host liquid crystal be... | 07/08/2008 |
| 7393568 | Liquid crystal composition and liquid crystal element employing the composition A novel liquid crystal composition and a novel liquid crystal element are disclosed. They comprise at least one compound represented by a formula (1), wherein R1 to R7 respectively represent a hydrogen atom or a substituent, provided that at le... | 07/01/2008 |
| 7364671 | Optical component, orientation layer, and layerable polymerisable mixture A polymerisable mixture that can be applied as a layer, an orientation layer of the mixture, and an optical component, such as a retarder or a liquid crystal display, having a layer of which the mixture is a precursor. ... | 04/29/2008 |
| 7364776 | Display device A novel display device is disclosed. The display device comprises a plural of liquid crystal layers disposed between a pair of electrodes respectively, wherein each of the liquid crystal layers shows an absorption peak at a different wavelength and comprises at leas... | 04/29/2008 |
| 7354950 | 1,3-Dioxane derivatives, composition, optical element and display device containing the same A composition includes at least one compound represented by the following Formula (1). In the Formula (1), R1 represents an alkyl group having 1 to 18 carbon atoms, R2 represents a hydrogen atom or a substituent, and R3 represents a ... | 04/08/2008 |
| 7351451 | Anthraquinone compound, liquid crystal composition, cell and display device employing the same A liquid crystal composition comprising at least one liquid crystal compound and at least one anthraquinone compound represented by formula (1) below: Formula (1) (wherein R2 to R8 each independently represents a hydrogen or substituent; Het is... | 04/01/2008 |
| 7348044 | Liquid crystal composition and liquid crystal element A novel smectic liquid crystal composition is disclosed. The smectic liquid crystal composition comprises at least, a dichroic dye, a dual-frequency switchable nematic liquid crystal and a smectic liquid crystal. The dielectric anisotropy of the composition changes ... | 03/25/2008 |
| 7344763 | Display medium A rewritable display containing a substrate having thereon one or more constitution layers, one of the constitution layers being a liquid crystal layer containing a liquid crystal composition which is dispersed in a binder, and one of the constitution layers contain... | 03/18/2008 |
| 7338690 | Liquid crystal composition and liquid crystal device Novel liquid crystal compositions are disclosed. One of them comprises at least a dichroic dye having a substituent containing three or more cyclic moieties, and a dual-frequency switchable nematic liquid crystal as a host liquid crystal; and another one comprises a... | 03/04/2008 |
| 7335752 | Azobenzene derivative compound, particle and method of fabricating the same An azobenzene derivative compound denoted by general formula (I): (wherein R1 denotes a hydrogen atom, halogen atom, cyano group, amino group, ester group, nitro group, alkyl group, alkoxyl group, cycloalkyl grou... | 02/26/2008 |
| 7327132 | Testing procedure for evaluating diffusion and leakage currents in insulators A method for predicting long-term electrical insulation properties of composite materials in a moist environment. The method including the steps of providing a specimen, and testing the specimen to determine moisture content values and leakage current values at pred... | 02/05/2008 |
| 7317281 | Method for manufacturing electrooptical device and apparatus for manufacturing the same, electrooptical device and electronic appliances The present invention provides a method of manufacturing an electrooptical device including a first member on which an electrooptical element is disposed, and a second member covering the electrooptical element. The method includes (a) feeding an adhesive material t... | 01/08/2008 |
| 7316829 | Liquid crystal composition and display device A liquid crystal composition comprising a dichroic dye, a host liquid crystal and at least one kind of solid matter having an average particle diameter of 1 nm to 10 m, the dichroic dye having a substituent represented by the following formula (1): -(Het) | 01/08/2008 |
| 7294370 | Aligned lyotropic chromonic liquid crystal films An aligned film comprises a dried mixture of a lyotropic chromonic liquid crystal material and a dopant selected from the group consisting of dyes having a molecular weight within one order of magnitude of the liquid crystal material and block co-polymers. An exampl... | 11/13/2007 |
| 7283191 | Liquid crystal display device and electronic apparatus wherein liquid crystal molecules having particular pre-tilt angle To provide a liquid crystal device with a high contrast ratio without deteriorating the aperture ratios of the respective pixels by reducing inferior alignment in liquid crystal, which is caused by alignment films, a liquid crystal device includes an element substra... | 10/16/2007 |
| 7274425 | Liquid crystal display and method of manufacturing the same The invention relates to a liquid crystal display in which a polymeric component included in a liquid crystal layer is polymerized while adjusting a voltage applied to the liquid crystal layer to regulate the direction of alignment of liquid crystal molecules during... | 09/25/2007 |
| 7270857 | Liquid crystal composition and liquid crystal element The present invention relates to a liquid crystal composition comprising a compound represented by the following formula (1) and a liquid crystal and a liquid crystal element containing the liquid crystal composition: ... | 09/18/2007 |
| 7265163 | Light emitting polymer There is provided a process for forming a light emitting polymer comprising photopolymerization of a reactive mesogen having an endgroup which is susceptible to photopolymerization e.g. by a radical polymerization process. Also provided are methods for using the lig... | 09/04/2007 |
| 7261680 | Stress and/or temperature-indicating composition for roll covers An industrial roll includes: a substantially cylindrical core and a cover overlying the adhesive layer. The cover typically comprises a polymeric top stock layer which comprises a mixture of a polymeric material and at least one of a piezochromic material and a ther... | 08/28/2007 |
| 7220466 | Liquid crystal composition and liquid crystal device A novel liquid crystal composition is disclosed. The liquid crystal composition comprises at least one dual-frequency switchable smectic liquid crystal, and at least one dichroic dye. And a novel liquid crystal device is also disclosed. The device comprises a pair o... | 05/22/2007 |
| 7220465 | Liquid crystal composition, anthraquinone compound and liquid crystal device employing the composition A novel liquid crystal composition is disclosed. The composition comprises at least one liquid crystal and at least one compound represented by a formula (1), wherein R1 and R2 respectively represent an optionally substituted aryl group and opt... | 05/22/2007 |
| 7214451 | Rewriteable optical recording material having good solubility Polymeric material suitable for the preparation of optical recording media for volume data storage is disclosed. The molecular structure of the material contains a main chain derived from any of poly(meth)acrylate, poly(meth)acrylamide, polysiloxane, polyurea, polyu... | 05/08/2007 |
| 7202292 | Colored polymeric resin composition with 1,8-diaminoanthraquinone derivative, article made therefrom, and method for making the same In one embodiment, a colored polymeric resin composition, comprises: a polymeric resin; and a 1,8-diaminoanthraquinone derivative having a purity of greater than or equal to about 90 wt % and having a Formula (VIII): | 04/10/2007 |
| 7199167 | Light emitting polymer There is provided a process for forming a light emitting polymer comprising photopolymerization of a reactive mesogen having an endgroup which is susceptible to photopolymerization e.g. by a radical polymerization process. Also provided are methods for using the lig... | 04/03/2007 |
| 7195719 | High polarization ferroelectric liquid crystal compositions The invention relates to chiral nonracemic liquid crystal compounds having achiral tails comprising a perfluoroalkyl terminal portion which are useful as components in liquid crystal to impart high polarization to the mixture. The materials of this invention can be ... | 03/27/2007 |
| 7175780 | Tailoring material composition for optimization of application-specific switchable holograms The process described herein offers the optimizing of performance parameters of holograms, such as reducing scattering effects in a polymer-dispersed liquid crystal optical element. In the process, an interfacial tension agent is added to a polymer-dispersed liquid ... | 02/13/2007 |
| 7160335 | Anthraquinone dyes The present invention relates to a compound of formula I wherein R1 and R3 are each independently of the other —NHR5, NHSO2R5, —NHCOR5, —OR | 01/09/2007 |
| 7160485 | Lyotropic liquid crystal systems based on perylenetetracarboxylic acid dibenzimidazole sulfoderivatives, related anisotropic films, and methods for making Sulfoderivatives of perylenetetracarboxylic acid dibenzimidazole are provided. These compounds form liquid crystal systems possessing high quality optical properties. The resulting liquid crystal systems are readily applicable onto a substrate to obtain optically is... | 01/09/2007 |
