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| Number | Title | Issue Date |
| 8101095 | Antiferroelectric orthoconic liquid crystalline material with long pitch and the method of its preparation The racemic and chiral compounds expressed by common formula 1 and formula 2: wherein the lateral substituents X1, X2, X3, X4, X5, X6, X7 and X | 01/24/2012 |
| 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 |
| 7425281 | Liquid crystal compositions comprising an organogermanium compound and methods for using the same The present invention provides organogermanium compounds and liquid crystal compositions comprising such a compound. ... | 09/16/2008 |
| 7425354 | Photopolymerizable liquid crystal composition, its polymer or polymer composition, and optical compensation element The present invention provides a photopolymerizable liquid crystal composition comprising at least a compound having oxiranyl as a first component and at least a compound having oxetanyl as a second component, a polymer or a polymer composition obtained from the liq... | 09/16/2008 |
| 7416765 | Polymerizable liquid crystalline composition and liquid crystal film made from the composition A polymerizable liquid crystalline composition comprises a side chain liquid crystalline polymer obtained by radical-copolymerizing a (meth)acrylic compound has an optically active site and a (meth)acrylic compound having an oxetanyl group, and a cation generator an... | 08/26/2008 |
| 7413782 | Polymerizing binaphthalene derivatives Provided are a polymerizing liquid-crystalline compound of formula (1). In formula (1), Q1 to Q4 each independently represent a formula (2), a hydrogen atom, a halogen atom, an alkyl group or the like;... | 08/19/2008 |
| 7407691 | Photopolymerizable oxetane derivative and liquid-crystal composition containing it Provided are a liquid-crystal compound and a liquid-crystal composition containing the compound, of which the advantages are that they show nematic hybrid orientation on a rubbed TAC substrate, they are polymerizable in open air and they readily give a polymer havin... | 08/05/2008 |
| 7396486 | Polymerizable mixtures A mixture which is polymerizable to polymers exhibiting a high optical anisotropy which is stable during polymerization. The mixture contains a first monomer or (and/or) oligomer having two or more polymerizable functional groups and optionally a mesogenic group; a ... | 07/08/2008 |
| 7335405 | Nematic liquid crystal mixtures for use in bistable display devices A method of using a liquid crystal composition in a bistable liquid crystal device having a weak zenithal anchoring comprising at least 40% by weight of compounds with strong molecular polarisability and strong dipole moment. ... | 02/26/2008 |
| 7211201 | Antiferroelectric liquid crystal and its manufacturing method Rod-like molecules (1) are admixed into a smectic C liquid crystal (2). According to the least-energy principle for electrostatic energy each rod-like molecule (1) has its permanent dipole moment aligned in a direction along a boundary layer bet... | 05/01/2007 |
| 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 |
| 7153551 | Single-crystalline film and process for production thereof An organic single-crystalline film useful as a functional film in various devices is produced by selecting a liquid crystal material having a good molecular alignment regularity, disposing the liquid crystal material between a pair of boundaries exerting a thickness... | 12/26/2006 |
| 7153549 | Cholesteric liquid crystal additives The invention provides a cholesteric liquid crystal composition that includes at least one cholesteric liquid crystal precursor, and at least one non-liquid crystalline additive that is a non-liquid crystalline compound of formula I | 12/26/2006 |
| 7125500 | Multireactive polymerizable mesogenic compounds The invention relates to multireactive polymerizable mesogenic compounds of formula I R1—MG—R2 I wherein R1, R2 and MG have the meaning given in claim 1, to a polymerizable mesogenic composit... | 10/24/2006 |
| 7122227 | Chiral photoisomerizable compounds The invention relates to chiral photoisomerizable compounds of formula (I) wherein X1, X2, X3, X4, X5 and X6 have the meanings given in claim 1, to liquid crystalline mixtures and polymers cont... | 10/17/2006 |
| 7115307 | Nematic liquid crystal mixtures for bistable display device Nematic liquid crystal mixtures with weak zenithal anchoring energy for bistable display devices, comprising at least 40% by weight of compounds with strong molecular polarisability and strong dipole moment. ... | 10/03/2006 |
| 7098359 | Mesogens and methods for their synthesis and use New, efficient methods for making novel platform molecules and polymerizable mesogens are provided, as well as the novel mesogens and methods of using same. ... | 08/29/2006 |
| 7094360 | Resin blends and methods for making same A resin blend and method of producing the resin blend, the resin blend comprising one or more first liquid crystal monomer at a ratio to one or more secondary monomer, said secondary monomer and said ratio being adapted to maintain said resin blend in a nematic liqu... | 08/22/2006 |
| 7083832 | Partially fluorinated liquid crystal material The invention provides LC compositions that exhibit V-shaped switching when aligned in an analog device configuration and exhibit bistability when aligned in a bookshelf-type device configuration. The invention more specifically provides LC compositions of formula 1... | 08/01/2006 |
| 7078078 | Optical compensatory sheet comprising transparent support and optically anisotropic layer An optical compensatory sheet comprises a transparent support and an optically anisotropic layer. The optically anisotropic layer is formed from liquid crystal molecules and monomers having four or more double bonds. The monomers are polymerized to form a polymer in... | 07/18/2006 |
| 7074462 | Ester compounds and their use in liquid crystalline media The invention relates to compounds of the formula I and to a liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, characterized in that it comprises one or more compounds of the general formula I ... | 07/11/2006 |
| 7070711 | Polymerizable liquid crystalline composition and liquid crystal film produced from the same Liquid crystalline compositions contain no functional group the synthesis of which is difficult, such as (meth)acrylate and epoxy group and comprise (A) an oxetane compound having an optically active portion, (B) a side chain liquid crystalline polymeric substance h... | 07/04/2006 |
| 7070712 | Acetylene polymers and their use as liquid crystals There is disclosed a liquid crystalline polyacetylene having a repeat structure of the formula where spa is a spacer group and mes is a mesogenic substituent. ... | 07/04/2006 |
| 7070838 | Liquid crystalline compound, liquid crystal composition and their polymers The present invention provides a compound represented by formula (1) defined in the specification and a liquid crystal composition comprising the compound. The invention further provides a polymer obtained by polymerization of compound or composition above, and furt... | 07/04/2006 |
| 7054043 | Security element The invention relates to an object of value with a security element having at least a first and a second liquid-crystalline material, the first material having thermochromic properties and the second material an optically variable effect. ... | 05/30/2006 |
| 7046443 | Anisotropic light scattering element, anisotropic light scattering polarizing plate using the same, and image display device using the same The present invention provides an anisotropic light scattering element that is further improved in controlling of the viewing angle and also reduced in the thickness. The anisotropic light scattering element has an anisotropy in the scattering intensity, and include... | 05/16/2006 |
| 7041234 | Methods for synthesis of liquid crystals A method for producing platform molecules comprising: forming a mixture comprising first and second phenylene rings comprising halogenated carboxylic groups, and a third phenylene ring comprising a desired substituent and a first functionality at a para-position to ... | 05/09/2006 |
| 7029729 | Cholesteric liquid crystal additives The invention provides a cholesteric liquid crystal composition that includes at least one cholesteric liquid crystal precursor, and at least one non-liquid crystalline additive that is a non-liquid crystalline compound of formula I | 04/18/2006 |
| 7001648 | Glassy chiral-nematic liquid crystals and optical devices containing same A glassy chiral-nematic liquid crystal composition includes a compound having the structural formula wherein each N represents a nematic group connected to the 1, 3, 5-benzenetricarbonyl central moiety by a carboxylic e... | 02/21/2006 |
| 6958797 | Optical film having low chromaticity variation and quarter wavelength plate, and liquid crystal display using the same An optical film in which a function of a brightness enhancement film is maintained and variations in brightness and chromaticity within a film plane are suppressed is provided. An optical film is a laminate of an absorptive dichroic polarizing plate and a brightness... | 10/25/2005 |
| 6939940 | Liquid crystalline thermosets from ester, ester-imide, and ester-amide oligomers Main chain thermotropic liquid crystal esters, ester-imides, and ester-amides were prepared from AA, BB, and AB type monomeric materials and were end-capped with phenylacetylene, phenylmaleimide, or nadimide reactive end-groups. The resulting reactive end-capped liq... | 09/06/2005 |
| 6936186 | Mesomorphic compound, polymeric mesomorphic compound, and electrolyte and secondary battery including same A mesomorphic compound having an ionic conductivity is used as an electrolyte for a secondary battery, etc. The mesomorphic compound has a partial structure which includes (a) a mesomorphic mesogen group and (b) two divalent groups. Each of the two divalent groups i... | 08/30/2005 |
| 6908645 | Liquid-crystalline medium The invention relates to liquid-crystalline compounds of the formula I and to a liquid-crystalline medium based on a mixture of polar compounds, characterized in that it comprises one or more compounds of the general formula I | 06/21/2005 |
| 6905739 | Optically active materials A compound is of formula (I), in which: A1 to A4, E1 and E2 each independently represent hydrogen or an optionally-substituted hydrocarbon group; B1 and B2 each independently represent a single bond, ... | 06/14/2005 |
| 6899823 | Liquid crystal device A compound or a polymer thereof promises an advantageous use for an ink-jet ink or a polymer dispersion liquid crystal display. The compound has a structure represented by the formula A—B—D—(E—G)e—(J)j—K—L whe... | 05/31/2005 |
| 6899824 | Liquid-crystalline composition for printing inks, coatings and counterfeit-proof marking of articles A process for printing or coating a substrate with a liquid-crystalline composition and at least one non-liquid-crystalline print or coating as a multilayer and a substrate produced by this process is described. The liquid-crystalline composition contains at least o... | 05/31/2005 |
| 6878421 | Liquid crystalline medium The invention relates to a liquid crystalline medium, based on a mixture of polar compounds with a positive dielectric anisotropy. Said medium is characterised in that it contains one or more compounds of formula (I) wherein R, A1, A2, Z1 | 04/12/2005 |
| 6849203 | Photoisomerizable compounds The invention relates to photoisomerizable compounds of formula I wherein A, Z, L, R, R1, k, m and r are defined herein. ... | 02/01/2005 |
| 6821581 | Optically active compound and liquid crystal composition containing the compound An optically active compound of the general formula (1) useful as a chiral dopant and use thereof, wherein each of m and n is independently an integer of 4 to 8, A is —Ph—COO—Ph—, —Ph... | 11/23/2004 |
| 6815017 | Electrooptical liquid crystal display The invention relates to an electrooptical liquid crystal display comprising a reorientation layer for reorientation of the liquid crystals. The field of said reorientation layer has a component parallel to the liquid crystal layer, said component being crucial for ... | 11/09/2004 |
