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| Number | Title | Issue Date |
| 8133410 | Liquid crystal composition and liquid crystal display device The invention is to provide a liquid crystal composition that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anis... | 03/13/2012 |
| 8012370 | Liquid-crystalline medium and liquid-crystal display The present invention relates to dielectrically positive liquid-crystalline media comprising a dielectrically positive component, component A, comprising a dielectrically positive compound of the formula (I), in which the parameters have the meaning indicated in the... | 09/06/2011 |
| 8003007 | Liquid crystal composition and liquid crystal display using the same A twisted nematic (TN) mode liquid crystal display is provided. The liquid crystal display includes first and second display panels facing each other to create an electric field therebetween, and a liquid crystal layer disposed between the first and second display p... | 08/23/2011 |
| 7922935 | Liquid crystal display device A liquid crystal display device being resistant to display unevenness without loss of responsivity and being capable of securing configurational stability is provided. A liquid crystal display device includes: a liquid crystal layer including liquid crystal molecule... | 04/12/2011 |
| 7754103 | Liquid-crystalline medium The invention relates to a liquid-crystalline medium based on a mixture of polar compounds, characterized in that it comprises one or more compounds of the formula I and one or more compou... | 07/13/2010 |
| 7442418 | Polymerizable liquid crystal compound, liquid crystal composition, optical anisotropic material and optical element The present compound represented by formula(I) CH2═CR1—COO—(L)k-E1-E2-E3-(E4)m-(E5)n-R2 (1) provided that the symb... | 10/28/2008 |
| 7442419 | Liquid-crystalline medium and liquid-crystal display Disclosed are a liquid-crystalline medium, the use thereof for electro-optical purposes, and displays containing this medium, characterised in that the medium contains one or more compounds of formula I and one or more comp... | 10/28/2008 |
| 7438956 | Liquid-crystalline medium and liquid-crystal display Disclosed are liquid-crystalline medium, use thereof for electro-optical purposes, and displays containing this medium, wherein the medium contains one or more compounds of formula I and one or more compounds of formulae K-... | 10/21/2008 |
| 7435455 | Dihydrocoumarin derivative, liquid crystal composition containing the same, and liquid crystal display device A dihydrocoumarin ring-containing compound of the invention is represented by the following formula (1): wherein R represents hydrogen or an alkyl; A1 to A3 each represents 1,4-cyclohexylene or 1,4-phe... | 10/14/2008 |
| 7435460 | Liquid crystal composition and liquid crystal display device A liquid crystal composition having a nematic phase and including a compound represented by Formula (1), a compound represented by Formulas (2-1) and (2-2), and a compound represented by Formulas (3-1), (3-2) and (3-3), and a liquid crystal display device including ... | 10/14/2008 |
| 7435459 | Liquid crystal composition and liquid crystal display device A liquid crystal composition having a nematic phase that includes a compound represented by Formula (1), a compound represented by Formulas (2-1) and (2-2), and a compound represented by Formulas (3-1) and (3-2), and a liquid crystal display device containing the co... | 10/14/2008 |
| 7435457 | Liquid crystal composition and liquid crystal display device A liquid crystal composition having a nematic phase and containing at least one compound selected from a group of compounds represented by formula (1) as a first component and at least one compound selected from a group of compounds represented by formula (2-1) or (... | 10/14/2008 |
| 7429411 | Chroman compound, liquid crystal composition including the compound and liquid crystal display element including the liquid crystal composition The compound (1) according to the invention has general solid-state properties necessary for a compound, stability against heat, light and the like, a suitable optical anisotropy, a suitable dielectric anisotropy, and excellent compatibility with other liquid crysta... | 09/30/2008 |
| 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 |
| 7425355 | Liquid-crystalline medium A liquid-crystalline medium based on a mixture of polar compounds which comprises at least one compound of the formula I in which R11, R12, | 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 |
| 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 |
| 7419705 | Liquid-crystalline medium The invention relates to a liquid-crystalline medium based on a mixture of polar compounds, characterized in that it comprises one or more compounds of the formula I in which R1, L1 and L2 a... | 09/02/2008 |
| 7419706 | Liquid crystalline medium The present invention relates to a liquid crystalline mixture comprising a) 1-25% by weight of at least one compound of the formula I b) 5-80% by weight of at least one compound of the formula II... | 09/02/2008 |
| 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 |
| 7404992 | Liquid crystal composition and liquid crystal display device A liquid crystal composition having a negative dielectric anisotropy and containing at least one compound represented by formula (1), at least one compound represented by formula (2), at least one compound represented by formula (4), at least one compound represente... | 07/29/2008 |
| 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 |
| 7396487 | Liquid crystal compounds A compound of formula (I): where R1 is alkyl or alkenyl, Y1 and Y2 are independently selected from oxygen or sulphur, n is an integer of from 1 to 5, A is an optionally substituted phenyl or an optionally substituted cycloalkyl ring,... | 07/08/2008 |
| 7390538 | Liquid-crystal medium containing monofluoroterphenyl compounds The present invention relates to a liquid-crystalline medium based on a mixture of polar compounds of positive or negative dielectric anisotropy which is characterised in that it comprises one or more compounds of the general formula I | 06/24/2008 |
| 7374700 | Hexenediyne derivative Provided is a liquid crystalline compound which has a large value of refractive index anisotropy, exhibits a liquid crystal phase in a wide temperature range, and is stable under use conditions. It is a liquid crystalline compound represented by the following... | 05/20/2008 |
| 7371437 | Liquid-crystalline medium A liquid-crystalline medium based on a mixture of polar compounds having at least one compound of the formula I in which R11, R12 and have the meanings indic... | 05/13/2008 |
| 7361288 | Components for high-frequency technology The present invention relates to switchable components for high-frequency technology, in particular microwave technology, which use liquid-crystalline dielectrics, to the liquid-crystal materials, to the use thereof, and to a process for the production of the compon... | 04/22/2008 |
| 7361388 | Liquid-crystalline compounds having a tetrahydropyran ring The invention relates to liquid-crystalline compounds of formula (I), wherein R11, X11, Z11, Z12, Z13, L11, L12, L13, L14, L15 and L16 have the m... | 04/22/2008 |
| 7357964 | Liquid-crystalline vinyl ketone derivatives and their polymers Provided is a liquid-crystalline, polymerizable vinyl ketone compound of formula (1): Preferably, R1 is hydrogen, halogen, —CN, —CF3, —CF2H, —CFH2, —OCF3, —... | 04/15/2008 |
| 7351453 | Liquid crystal medium Liquid crystal (LC) media based on a mixture of polar compounds having negative dielectric anisotropy, their use in electro-optical displays, especially those having active matrix addressing based on the ECB (electrically controlled birefringence) or VA (vertically ... | 04/01/2008 |
| 7351452 | Liquid crystalline compounds containing a biphenyl core A compound of formula (I) or a dimer thereof; where R1 and R2 are independently selected from optionally substituted alkyl, optionally substitituted alkenyl, optionally substit... | 04/01/2008 |
| 7348043 | Liquid crystal composition and liquid crystal display device A liquid crystal composition comprising as a first component at least two compounds selected from the group of compounds represented by formula (1), and having a negative dielectric anisotropy: wherein R1 is inde... | 03/25/2008 |
| 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 |
| 7335404 | Liquid crystal composition for use in bistable liquid crystal devices The invention is directed to the use of a liquid crystal composition in a bistable liquid crystal device and especially in a single polariser reflective or transflective zenithal bistable nematic liquid crystal device as well as a bistable liquid crystal device comp... | 02/26/2008 |
| 7335403 | Liquid-crystalline medium The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy, which comprises at least one compound of the formula (I) in which R0, R1, A1, Z1 and m have ... | 02/26/2008 |
| 7332201 | Optically functional layer, method of forming optically functional layer, and liquid crystal display element The present invention is to solve a problem that, conventionally, there is a risk of impurity elution when the optical retardation control layer obtainable by photopolymerization comes into contact with the liquid crystal layer because of the deterioration in heat r... | 02/19/2008 |
| 7326450 | High-speed high-temperature nematic liquid crystal composition and liquid crystal display comprising the same The present invention relates to a high-speed high-temperature nematic liquid crystal composition and a liquid crystal display comprising the same, particularly to a high-speed high-temperature nematic liquid crystal composition which comprises a nematic liquid crys... | 02/05/2008 |
| 7314653 | Liquid-crystal medium and electro-optical display containing same Disclosed are nematic liquid-crystal media which have an initial current density of 0.05 μA/cm2 or less and a threshold voltage of 1.0 V or less and their use in liquid-crystal displays, preferably TN or STN displays. ... | 01/01/2008 |
