| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 252299620 | Including fused or bridged rings | 52 |
| 20080197319 | LIQUID-CRYSTALLINE MEDIUM - Disclosed are a liquid-crystalline medium based on a mixture of polar compounds, which contains at least one compound of formula I | 08-21-2008 |
| 20080251761 | Spiro[3.3] Heptyl-Dioxan Derivatives and Their Use in Liquid Crystal Media -
The invention relates to novel dioxane derivatives of the formula R | 10-16-2008 |
| 20090065739 | LIQUID CRYSTAL COMPOUND HAVING CHLORONAPHTHALENE MOIETY, LIQUID CRYSTAL COMPOSITION, AND OPTICAL DEVICE - A compound represented by formula (1): | 03-12-2009 |
| 20090121187 | POLYMERIZABLE MENTHOL DERIVATIVE - The invention includes compounds represented by Formula (1): | 05-14-2009 |
| 20090166583 | COMPOSITION FOR ANISOTROPIC PIGMENTED FILM, ANISOTROPIC PIGMENTED FILM, AND POLARIZING ELEMENT - An anisotropic dye film that exhibits a high dichroism and a high uniformity in a coating film is formed at a high level of productivity. In the composition for an anisotropic dye film containing a dye and being capable of forming a lyotropic liquid crystal phase, the time until the relaxation modulus G measured 0.01 seconds after the application of strain drops to 1/10 is equal to or shorter than 0.1 seconds at a temperature of 5° C. The composition contains a cation and a strongly acidic anion that respectively account for contents in the range of 0.9 to 0.99 equivalence and in the range of 0.02 to 0.1 equivalence relative to the content of the acidic groups of the dye. An anisotropic dye film is formed using this composition for an anisotropic dye film. A polarizing element is formed using this anisotropic dye film. | 07-02-2009 |
| 20090294730 | POLYMERIZABLE COMPOSITION - A polymerizable composition comprising a bifunctional (meth)acrylate compound represented by the following general formula (1) and a monofunctional (meth)acrylate compound represented by the general formula (2): | 12-03-2009 |
| 20100032620 | POLYMERIZABLE OPTICAL ACTIVE COMPOUND AND POLYMERIZABLE COMPOSITION CONTAINING THE SAME - A polymerizable optically active compound of formula (1) has high helical twisting power. When added to a liquid crystal (LC) composition it achieves required helical pitch without largely impairing the physical and optical properties of the LC composition. The compound is suited to be compounded with a LC material, particularly a cholesteric LC material for making an optically anisotropic element excellent in heat resistance, solvent resistance, transparency, optical characteristics, and LC alignment fixing ability. The compound is also useful to form a LC alignment layer, a LC alignment controlling agent, a coating material, a protective film, etc. | 02-11-2010 |
| 20100032621 | POLYMERIZABLE COMPOUNDS AND POLYMERIZABLE COMPOSITIONS - A polymerizable compound represented by general formula (1) of the invention has good solvent solubility and excellent alignment control properties and optical characteristics. | 02-11-2010 |
| 20100059711 | FUSED NAPHTHALENES - The invention relates to fused naphthalenes of the general formula I, in which A | 03-11-2010 |
| 20100059712 | FLUORENE DERIVATIVE, LIQUID CRYSTAL COMPOSITION COMPRISING THE SAME, AND OPTICAL FILM USING THE SAME LIQUID CRYSTAL COMPOSITION - Disclosed are a novel fluorene derivative, a liquid crystal composition comprising the same, and an optical film using the same liquid crystal composition. More particularly, there are provided a liquid crystal material for a viewing angle compensation film with high quality characteristics, which can improve a contrast ratio measured at an oblique angle to the front and minimize variations in color with viewing angles in a black state, a liquid crystal composition comprising the same liquid crystal material, and a compensation film obtained from the same liquid crystal composition. | 03-11-2010 |
| 20100084609 | LIQUID CRYSTALLINE POLYESTER COMPOSITION - The present invention provides a liquid crystalline polyester composition comprising a terphenyl and a liquid crystalline polyester, wherein the terphenyl substantially consists of p-terphenyl, and the p-terphenyl is contained in the composition in the amount of 0.3 to 15 parts by weight on the basis of 100 parts by weight of the liquid crystalline polyester. The liquid crystalline polyester composition has high flowability and low anisotropy, which can also suppress generation of gases when molded. | 04-08-2010 |
| 20100090163 | POLYMERIZABLE COMPOSITION - A polymerizable composition comprising a bifunctional (meth)acrylate compound represented by general formula (1) and a monofunctional (meth)acrylate compound having a nitrile group at the terminal thereof represented by general formula (2). The mass ratio of them (the former/the latter) is from 90/10 to 40/60. | 04-15-2010 |
| 20100096591 | POLYMERIZABLE LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION AND POLYMER - The purpose the invention is to provide a polymerizable liquid crystal compound which has an excellent solubility with other compounds, a high homeotropic property, and a spirobiindan-backbone, and a liquid crystal composition comprising this compound. | 04-22-2010 |
| 20100155663 | Liquid Crystal and Liquid Crystal Display - A novel liquid crystal comprising a first liquid compound having bent structures and a second liquid crystal compound. A liquid crystal phase formed by the first liquid crystal compound exhibits ferroelectricity or antiferroelectricity while a liquid crystal phase formed by the second liquid crystal compound exhibits neither ferroelectricity nor antiferroelectricity. A smectic liquid crystal phase formed by the first liquid crystal compound has a tilted structure while a smectic liquid crystal phase formed by the second liquid crystal compound has no tilted structure. The first liquid crystal compound is represented by the following chemical formula (m=16) and the second liquid crystal compound is represented by the following chemical formula (m=4), | 06-24-2010 |
| 20100193736 | POLYMERIZABLE LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION AND POLYMER - The compound of the present invention is represented by the formula (1). In the formula (1), R | 08-05-2010 |
| 20100264368 | LIQUID CRYSTAL MOLECULES COMPRISING HYDROAZULENE STRUCTURES - Liquid Crystal Molecules Comprising Hydroazulene Structures Compounds of formula (I); R | 10-21-2010 |
| 20100301271 | FLUORENE DERIVATIVES - The invention relates to novel fluorene derivatives, which are especially suitable for use in birefringent films with negative optical dispersion, to novel liquid crystal (LC) formulations and polymer films comprising them, and to the use of the fluorene derivatives, formulations and films in optical, electrooptical, electronic, semiconducting or luminescent components or devices. | 12-02-2010 |
| 20100308268 | LIQUID CRYSTAL COMPOSITIONS - This invention relates to a liquid crystal composition and articles comprising the composition. The composition comprises at least one compound of each of the Formulas (I), (II) and (III), | 12-09-2010 |
| 20100308269 | LIQUID CRYSTAL COMPOSITIONS - This invention relates to liquid crystal compositions, and polymer networks and articles comprising the compositions. The compositions comprise at least one compound of the group of compounds represented by the structures of each of the following Formulas (IV), (V) and (VI), | 12-09-2010 |
| 20100314581 | LIQUID-CRYSTALLINE POLYESTER BLEND COMPOSITIONS - The present invention provides a liquid-crystalline polyester blend composition comprising 100 parts by weight of a liquid-crystalline polyester blend and 0.1-300 parts by weight of calcium titanate and/or barium titanate:
| 12-16-2010 |
| 20110037025 | TRIFUNCTIONAL (METH)ACRYLATE COMPOUND AND POLYMERIZABLE COMPOSITION CONTAINING SAME - A trifunctional (meth)acrylate compound represented by the following general formula (I); and a polymerizable composition containing the compound. The compound preferably is a compound in which ring A1, ring A | 02-17-2011 |
| 20110089374 | Liquid Crystals Comprising Cyclopentane Groups - Provided are liquid crystal compounds and mixtures incorporating the same. The liquid crystal compounds of the invention generally comprise a cyclopentane group and at least two other rings. In one embodiment, the liquid crystal compounds of the invention comprise a cyclopentane group and at least two other rings, one of which is a fused ring system. | 04-21-2011 |
| 20110101270 | LIQUID-CRYSTALLINE MEDIUM - The invention relates to a liquid-crystalline medium having a nematic phase and negative dielectric anisotropy which comprises
| 05-05-2011 |
| 20110140041 | POLYMERIZABLE LIQUID CRYSTAL COMPOUNDS, POLYMERIZABLE LIQUID CRYSTAL COMPOSITIONS, LIQUID CRYSTALLINE POLYMERS AND OPTICALLY ANISOTROPIC MATERIALS - A polymerizable liquid crystal compound shown by the following formula, a polymerizable liquid crystal composition that includes the polymerizable liquid crystal compound and a chiral compound polymerizable with the polymerizable liquid crystal compound, a liquid crystalline polymer obtained by polymerizing the polymerizable liquid crystal compound or the polymerizable liquid crystal composition, and an optically anisotropic article that includes the liquid crystalline polymer, are disclosed. | 06-16-2011 |
| 20110163268 | POLARIZING FILM - The present invention provides a polarizing film containing an azo compound represented by the following formula (1): | 07-07-2011 |
| 20110248216 | LIQUID-CRYSTAL MEDIUM - The invention relates to a liquid-crystalline medium having negative dielectric anisotropy which comprises at least one compound of the formula I | 10-13-2011 |
| 20120119142 | LIQUID CRYSTALLINE POLYESTER AND PROCESS FOR PRODUCING SAME - A liquid crystalline polyester has a specifically high fluidity, a low anisotropy, a high toughness, a low gas property, an excellent heat resistance and a high dielectric breakdown resistance. The liquid crystalline polyester includes 38 to 74 mol % of structural unit(s) obtained from a hydroxycarboxylic acid, 31 to 13 mol % of a structural unit obtained from 4,4′-dihydroxybiphenyl and 31 to 13 mol % of a structural unit obtained from 2,6-naphthalenedicarboxylic acid (100 mol % in total), characterized in that the hydroxycarboxylic acid structural units include a structural unit obtained from 2-hydroxy-6-naphthoic acid in an amount of 89 mol % or more and the average sequence length of the structural unit obtained from 2-hydroxy-6-naphthoic acid is 0.1 to 1. | 05-17-2012 |
| 20120153224 | WHOLLY AROMATIC LIQUID-CRYSTALLINE POLYESTER RESIN AND COMPOSITION COMPRISING THE SAME - The present invention provides a wholly aromatic liquid-crystalline polyester resin, consisting of the repeating units shown by the formulae [I]-[V]: | 06-21-2012 |
| 20120161073 | LIQUID CRYSTALLINE MEDIUM - The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy, which contains at least one compound of the formula I | 06-28-2012 |
| 20120228549 | LIQUID-CRYSTALLINE MEDIUM - Disclosed are a liquid-crystalline medium of negative dielectric anisotropy based on a mixture of polar compounds, which contains at least one compound of formula IA | 09-13-2012 |
| 20120235091 | POLARIZING FILM, COATING SOLUTION, AND IMAGE DISPLAY DEVICE - The present invention provides a polarizing film having a high dichroic ratio. | 09-20-2012 |
| 20120248375 | LIQUID COMPOSITION CONTAINING LIQUID CRYSTAL POLYESTER - A liquid composition containing a liquid crystal polyester, comprising (1) 15 to 40% by weight of a liquid crystal polyester, and (2) 60 to 85% by weight of a solvent containing N-methylpyrrolidone, wherein the liquid composition has a viscosity of 1.5 Pa·s or larger measured at 23° C., and the total of the liquid crystal polyester and the solvent is 100% by weight. | 10-04-2012 |
| 20130026413 | LIQUID-CRYSTALLINE POLYMER COMPOSITION - The present invention provides a liquid-crystalline polymer composition comprising: 100 parts by weight of a liquid-crystalline polymer and 1-150 parts by weight of the total weight of talc particles (A) and talc particles (B),
| 01-31-2013 |
| 20130187092 | LIQUID CRYSTALLINE MEDIUM - The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy, which contains at least one compound of the formula I | 07-25-2013 |
| 20130292608 | LIQUID-CRYSTALLINE MEDIA, COMPONENTS FOR HIGH-FREQUENCY TECHNOLOGY, AND MESOGENIC COMPOUNDS - The present invention relates to a liquid-crystal medium which comprises a component A which consists of one or more compounds of the formula I | 11-07-2013 |
| 20140008572 | POLYMERIZABLE COMPOUND, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - The compound represented by formula (1). | 01-09-2014 |
| 20140027672 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - To provide a liquid crystal composition satisfying at least one characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature thereof, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy and specific resistance, high stability to ultraviolet light and heat, or having a suitable balance regarding at least two of the characteristics; an AM device having short response time, a large voltage holding ratio and contrast ratio, and a long life. A liquid crystal composition has a nematic phase and contains a specific straight-chain compound as a first component and a specific compound having a large dielectric anisotropy as second component, and may contain a specific compound having a high maximum temperature or small viscosity as a third component and a specific compound having a high maximum temperature or large dielectric anisotropy as a fourth component, and a liquid crystal display device includes the composition. | 01-30-2014 |
| 20140061535 | NEMATIC LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT USING SAME - A liquid crystal composition in which deterioration of viscosity that is associated with an increase in Δn and an increase in Δ∈ is suppressed, and a liquid crystal display element having a markedly improved response speed by using the relevant liquid crystal composition. The liquid crystal composition has a large value of Δn and negative Δ∈, and have large absolute values thereof. Also, the liquid crystal composition has low η, has excellent liquid crystal properties, and exhibits a liquid crystal phase that is stable in a wide temperature range. Furthermore, since the liquid crystal composition is chemically stable to heat, light, water and the like, the liquid crystal composition is capable of low voltage driving, and is practically useful and highly reliable. | 03-06-2014 |
| 20140061536 | COMPOUNDS OF LIQUID CRYSTALLINE MEDIUM AND USE THEREOF FOR HIGH-FREQUENCY COMPONENTS - The present invention relates to compounds of the formula I | 03-06-2014 |
| 20140191158 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE WITH THE LIQUID CRYSTAL COMPOSITION - A liquid crystal composition that is useful for an active matrix (AM) device has a nematic phase and positive dielectric anisotropy. An active matrix liquid crystal display device includes the liquid crystal composition. By the total weight of the liquid crystal composition, the liquid crystal composition comprises 8%-50% of a compound of the general formula (I), 10%-70% (by weight) of a compound of the general formula (II), and 5%-50% (by weight) of a compound of the general formula (III). | 07-10-2014 |
| 20150021520 | Liquid Crystal Compound - Disclosed is a liquid crystal compound. The compound has a general structural formula as shown by formula I. | 01-22-2015 |
| 20150034872 | LIQUID CRYSTALS COMPRISING CYCLOPENTANE GROUPS - Provided are liquid crystal compounds and mixtures incorporating the same. The liquid crystal compounds of the invention generally comprise a cyclopentane group and at least two other rings. In one embodiment, the liquid crystal compounds of the invention comprise a cyclopentane group and at least two other rings, one of which is a fused ring system. | 02-05-2015 |
| 20150076405 | LIQUID CRYSTAL COMPOSITION AND DISPLAY DEVICE THEREOF - A liquid crystal composition and a liquid crystal display wherein the liquid crystal composition includes: a compound of general formula (I) including 1%-50% of the total weight of the liquid crystal composition; a compound of general formula (II) including 1%-60% of the total weight of the liquid crystal composition; a compound of general formula (III) including 1%-60% of the total weight of the liquid crystal composition; and a compound of general formula (IV) including 0-50% of the total weight of the liquid crystal composition—wherein the liquid crystal composition has a suitably wider nematic phase scope, a suitable optical anisotropy, a favorable low-temperature storage stability a faster response speed, can be used for outdoor work, has a good image display effect, and substantially free of streaking phenomenon. | 03-19-2015 |
| 20150322342 | LIQUID-CRYSTALLINE MEDIUM - The invention relates to the compounds of the formula I and to a liquid-crystalline medium based on a mixture of polar compounds which contains at least one compound of the formula I | 11-12-2015 |
| 20150322343 | NEMATIC LIQUID CRYSTAL COMPOSITION - Provided is a liquid crystal composition that has a positive dielectric anisotropy (Δε) and a refractive index anisotropy (Δn) adjusted to a desired level, and sufficiently low viscosity (η) without degrading the nematic phase temperature range. The liquid crystal composition having positive dielectric anisotropy comprises one or more compounds selected from compounds represented by general formula (LC0) and one or more compounds selected from the group of compounds represented by general formula (LC1) to general formula (LC5), wherein the liquid crystal composition comprises a compound in which at least one of Y | 11-12-2015 |
| 20150337201 | LIQUID CRYSTAL COMPOUND AND METHODS FOR THE PREPARATION THEREOF - The disclosure relates to a liquid crystal compound having a structure of the general formula P2, wherein, R1 represents C1-C8 alkyl, R2 and R3, which independently represent C1-C6 alkyl, and R4 represents C1-C6 alkyl. The disclosure also relates to a process for the preparation of the liquid crystal compound, a liquid crystal composition comprising the liquid crystal compound, and a liquid crystal display panel comprising the liquid crystal compound. | 11-26-2015 |
| 20150344779 | LIQUID CRYSTAL COMPOSITION AND METHODS FOR THE PREPARATION THEREOF - The disclosure relates to a liquid crystal compound having a structure of the general formula P2, wherein, R | 12-03-2015 |
| 20150344780 | Liquid Crystal Compound, Liquid Crystal Composition and Methods for Preparing the Same, Liquid Crystal Display Panel - The present invention relates to the technical field of liquid crystal and discloses a liquid crystal compound and a method for producing the same, a liquid crystal composition and a method for producing the same, and a liquid crystal display panel. The structure of the liquid crystal compound is represented by the following formula. Since the liquid crystal compound has a higher clearing point and exhibits excellent physical and chemical stability, the liquid composition formed from the liquid crystal compound has a higher clearing point. When such a composition is used for preparing a liquid crystal layer, the crystal display panel comprising the liquid crystal layer can exhibit excellent displaying performances and thus can be used for various application fields. | 12-03-2015 |
| 20150368558 | POLYMER STABLE ALIGNMENT TYPE LIQUID CRYSTAL COMPOSITION AND USE THEREOF - Provided are a stable alignment type liquid crystal composition and use thereof. The liquid crystal composition has negative dielectric anisotropy, better stability and a large absolute value of dielectric anisotropy. The liquid crystal composition comprises a compound of general formula (I) accounting for 10%-80% of the total weight of the liquid crystal composition, a compound of general formula (II) accounting for 0.0005%-0.5% of the total weight of the liquid crystal composition, a compound of general formula (IV) accounting for 15%-90% of the total weight of the liquid crystal composition, and a polymerizable compound accounting for 0.1%-5% of the total weight of the liquid crystal composition. The liquid crystal composition is less subject to interference of such factors as radicals, oxygen, heat or the like. Also provided is the use of the liquid crystal composition in a liquid crystal display device. | 12-24-2015 |
| 20160002533 | LIQUID-CRYSTALLINE MEDIA, COMPONENTS FOR HIGH-FREQUENCY TECHNOLOGY, AND MESOGENIC COMPOUNDS - The present invention relates to a liquid-crystal medium which comprises a component A which consists of one or more compounds of the formula I | 01-07-2016 |
| 20160046863 | LIQUID-CRYSTALLINE MEDIUM - The invention relates to a liquid-crystalline medium based on a mixture of polar compounds which contains
| 02-18-2016 |
| 20160137921 | POLYMERIZABLE COMPOUND, AND LIQUID CRYSTAL COMPOSITION PRODUCED USING SAME - The polymerizable composition and the liquid crystal composition containing the polymerizable compound of the present invention have favorable storage stability as evaluated on the basis of the occurrence of precipitation, separation, or the like of crystals during storage. The present invention relates to a polymerizable compound, a liquid crystal composition which contains the compound, and further a liquid crystal display element which contains an optically anisotropic material which is a cured product of the liquid crystal composition, or a cured product which controls alignment of liquid crystal molecules. That is, the present invention relates to a polymerizable compound, and a liquid crystal composition containing the polymerizable compound which contains the polymerizable compound and a liquid crystal compound. The polymerizable compound is a compound represented by General Formula (I), and is useful for an optically anisotropic material, a retardation layer, an alignment film, or a polarizing layer. | 05-19-2016 |
