Entries |
Document | Title | Date |
20080246002 | POLAR LIQUID CRYSTAL - Compounds that are useful in compositions for flat panel displays, for example, are provided. The compounds provided are polar, and are useful in low threshold voltage mixtures. The compounds provided have the general structure: CpCOCH | 10-09-2008 |
20080251762 | LIQUID CRYSTAL MEDIUM - Discloses are liquid crystal medium based on a mixture of polar compounds, the use thereof for electro-optical purposes, and displays containing the medium. | 10-16-2008 |
20080258107 | Liquid Crystal Composition - A liquid crystal composition includes:
| 10-23-2008 |
20080277623 | 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, characterised in that it comprises one or more compounds of the formula I | 11-13-2008 |
20080315157 | Liquid-Crystalline Medium - The invention relates to a liquid-crystalline medium based on a mixture of polar compounds which comprises at least one compound of the formula (I) in which R | 12-25-2008 |
20090032771 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition having a negative dielectric anisotropy that includes two components, wherein the first component is at least one compound selected from the group consisting of compounds represented by formula (1), and the second component is at least one compound selected from the group consisting of compounds represented by formula (2): | 02-05-2009 |
20090065740 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition having a negative dielectric anisotropy that includes two components, wherein the first component is at least one compound selected from the group of compounds represented by formulas (1-1) and (1-2), and the second component is at least one compound selected from the group of compounds represented by formulas (2-1) to (2-3): | 03-12-2009 |
20090090892 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition is provided that has a wide temperature range of a nematic phase, a suitable optical anisotropy, a large negative dielectric anisotropy and a large specific resistance, and preferably a liquid crystal composition is provided that has a larger optical anisotropy and a lower minimum temperature of a nematic phase while satisfying the aforementioned characteristics. A liquid crystal display device containing the liquid crystal composition is also provided. The liquid crystal composition contains a liquid crystal compound having terphenyl, in which one or two hydrogens are replaced by fluorines, as the first component, and a liquid crystal compound having phenylene, in which two hydrogens are replaced by fluorine, as the second component, and the liquid crystal display device contains the liquid crystal composition. | 04-09-2009 |
20090200514 | DIFLUOROBENZENE DERIVATIVE AND NEMATIC LIQUID CRYSTAL COMPOSITION USING THE SAME - A nematic liquid crystal composition of the present invention includes one or at least two compounds represented by general formula (I) as a first component; and one or at least two compounds represented by general formula (II) as a second component, wherein a dielectric anisotropy is negative. | 08-13-2009 |
20090242835 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition is provided that has a wide temperature range of a nematic phase, has a suitable optical anisotropy, has a large negative dielectric anisotropy and has a large specific resistance, and a liquid crystal composition is provided that can increase an optical anisotropy and has a low minimum temperature of a nematic phase, preferably −20° C. or less, while satisfying the aforementioned characteristics. A liquid crystal display device containing the liquid crystal composition is also provided. The liquid crystal composition of the invention has a negative dielectric anisotropy and contains a liquid crystal compound having terphenyl having one or two fluorines replacing hydrogen as a first component and a liquid crystal compound having phenylene having two halogens replacing hydrogens as a second component. The liquid crystal display device of the invention contains the liquid crystal composition. | 10-01-2009 |
20090256114 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition having a nematic phase comprising two components, wherein the first component is at least one compound selected from the group of compounds represented by formula (1), and the second component is at least one compound selected from the group of compounds represented by formula (2), and the third component is at least one compound selected from the group of compounds represented by formula (3): | 10-15-2009 |
20090278089 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition is provided 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 anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or is properly balanced regarding at least two characteristics. An AM device is provided that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition contains a specific compound having especially negatively large dielectric anisotropy as the first component,a specific bicyclic compound having a small viscosity as the second component, a specific compound having a high maximum temperature as the third component, a specific compound having a negatively large dielectric anisotropy, a low minimum temperature as the fourth component. The liquid crystal composition has a negative dielectric anisotropy. The liquid crystal display device contains the liquid crystal composition. | 11-12-2009 |
20090314988 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition having a nematic phase that includes two components, wherein the first component is a specific five-membered ring compound having a large maximum temperature and a large dielectric anisotropy and the second component is a specific compound having a small viscosity, and a liquid crystal display device containing the composition. | 12-24-2009 |
20090321684 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT - The liquid crystal composition includes at least one compound selected from a group of compounds represented by formula (1) as a first component, has a positive dielectric anisotropy, and has a nematic phase, and a liquid crystal display element containing the composition: | 12-31-2009 |
20090321685 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT - The liquid crystal composition includes at least one compound selected from a group of compounds represented by formula (1) as a first component, has a positive dielectric anisotropy, and has a nematic phase, and a liquid crystal display element containing the composition: | 12-31-2009 |
20100006801 | Sugar derivatives and application of same - A sugar derivative derived from Aphanothece sacrum as a freshwater blue-green alga, having a mean molecular weight of 2,000,000 or more and a repeat structure of a sugar chain unit where a sugar constituent of a hexose structure and a sugar constituent of a pentose structure are conjugated together in a linear chain or a branched chain, containing a lactated, sulfated sugar as a constituent, where 2.7 or more hydroxyl groups per 100 hydroxyl groups are sulfated or sulfur element occupies 1.5% by weight or more of all of the elements, in the sugar chain unit. | 01-14-2010 |
20100051866 | Polymerizable liquid crystal composition and optically anisotropic film using the same - A polymerizable liquid crystal composition is provided that has a wide range where a liquid crystal phase is exhibited, has excellent solubility in an organic solvent, and is facilitated in control of an alignment state. The use of the polymerizable liquid crystal composition provides a polymerizable liquid crystal composition that has good solubility in a solvent with high safety, such as PGMEA, and can control various alignment states. The polymerizable liquid crystal composition in one aspect contains a fluorenone derivative represented by the formula (1) and a compound having a bisphenol skeleton represented by the formula (2). In the formulae (1) and (2), W | 03-04-2010 |
20100102275 | 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 | 04-29-2010 |
20100140547 | 1-(TRIFLUOROMETHYL)NAPHTHALENE DERIVATIVE - Since a 1-(trifluoromethyl)naphthalene derivative of the present invention has negative dielectric anisotropy, has a very large absolute value, is chemically stable with heat, light, water, and the like, moreover, it excels in compatibility with a liquid crystal compound or a liquid crystal composition used widely nowadays, it is suitable as an element of a practical liquid crystal composition capable of low voltage drive. In addition, the liquid crystal composition using the compound of the present invention has low drive voltage, is useful as a constituent material of the liquid crystal display device of low consumption of electrical power, and can be used suitably for liquid crystal display devices such as a VA type and an IPS type, and the like. | 06-10-2010 |
20100155664 | LIQUID CRYSTAL COMPOSITION COMPRISING NOVEL SILICON CONTAINING COMPOUNDS AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - Disclosed are a silicon-containing compound, a liquid crystal composition comprising the same compound, and a liquid crystal display device comprising a liquid crystal layer prepared from the liquid crystal composition. The silicon-containing compound, which forms the liquid crystal composition, has low viscosity and high positive dielectric anisotropy. Therefore, it is possible to provide a liquid crystal display device, which has a fast response time and can be driven at a low voltage. | 06-24-2010 |
20100181533 | Liquid-crystal compounds and LC media - Disclosed are novel liquid-crystal compounds, processes and intermediates for the preparation thereof, the use thereof for optical, electro-optical and electronic purposes, in particular in liquid-crystal (LC) media and LC displays, and to LC media and LC displays containing the same. | 07-22-2010 |
20100237286 | LIQUID CRYSTAL MIXTURE - A liquid crystal mixture includes 10 to 25 parts by weight of a first composition including at least one compound having the following formula (A) | 09-23-2010 |
20100294992 | Liquid Crystal Composition and Liquid Crystal Display Device - The invention provides 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 low viscosity, a large optical anisotropy, a large dielectric anisotropy, a small pretilt angle, a large specific resistance, a high stability to ultraviolet light, and a high stability to heat, or provides a liquid crystal composition that is properly balanced regarding at least two characteristics. The invention provides an AM device that has a short response time, a large voltage holding ratio, a high contrast ratio, a long service life and so forth. A liquid crystal display device contains the liquid crystal composition having a nematic phase that includes three components, wherein the first component is a specific difluoroalkenyldicyclohexane compound having a small viscosity, the second component is a specific compound having difluoromethyleneoxy bond having a large dielectric anisotropy, and the third component is a specific terphenyl compound having a large optical anisotropy. | 11-25-2010 |
20100294993 | Liquid Crystal Composition and Liquid Crystal Display Device - The invention provides 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 low viscosity, a large optical anisotropy, a large dielectric anisotropy, a small pretilt angle, a large specific resistance, a high stability to ultraviolet light, and a high stability to heat, or provides a liquid crystal composition that is properly balanced regarding at least two characteristics. The invention provides an AM device that has a short response time, a large voltage holding ratio, a high contrast ratio, a long service life and so forth. A liquid crystal display device contains the liquid crystal composition having a nematic phase that includes three components, wherein the first component is a specific difluoroalkenyldicyclohexane compound having a small viscosity, the second component is a specific compound having difluoromethyleneoxy bond having a large dielectric anisotropy, and the third component is a specific terphenyl compound having a large optical anisotropy. | 11-25-2010 |
20100314582 | LIQUID-CRYSTALLINE MEDIUM AND LIQUID-CRYSTAL DISPLAY - The present invention relates to dielectrically positive liquid-crystalline media comprising one or more compounds of the formula I | 12-16-2010 |
20110037026 | POLYMERIZABLE LIQUID CRYSTAL COMPOSITION, HOMEOTROPIC ALIGNMENT LIQUID CRYSTAL FILM MADE FROM THE COMPOSITION AND METHOD FOR PREPARING THE SAME - The present invention relates to a polymerizable liquid crystal composition that includes a polymerizable reactive homeotropic alignment liquid crystal mixture solution and a primary or secondary amino compound, a homeotropic alignment liquid crystal film using the same, and a method for manufacturing the same. According to the present invention, regardless of the alignment film, a stable homeotropic alignment liquid crystal film may be manufactured. | 02-17-2011 |
20110133123 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - The subject is to provide a liquid crystal composition that satisfies at least one characteristic of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a negatively large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding two characteristics thereof The subject is to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. | 06-09-2011 |
20110155953 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is a liquid crystal composition that can satisfy at least one of properties such as a high upper limit temperature of a nematic phase, a low lower limit temperature of a nematic phase, a low viscosity, a proper optical anisotropy, a negatively high dielectric anisotropy, a high specific resistance, a high stability against ultraviolet light, and a high stability against heat, or has a proper balance between at least two of the above properties. The liquid crystal composition comprises a first component of a dicyclic compound which has a negatively high dielectric anisotropy and contains fluorines at least three of lateral positions, a second component of a specific compound having a low viscosity, and a third component of a specific compound having a negatively high dielectric anisotropy and contains a negatively dielectric anisotropy. The liquid crystal display element comprises the composition. | 06-30-2011 |
20110163269 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - The subject is to provide a liquid crystal composition that satisfies at least one characteristic of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a negatively large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding two characteristics thereof. The subject is to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. | 07-07-2011 |
20110240920 | BLUE PHASE LIQUID CRYSTAL COMPOSITION - The present invention relates to a blue phase liquid crystal composition and to a method of stabilizing a blue phase state of a liquid crystal material. Moreover, the present invention also relates to a method of lowering the operating voltage of a liquid crystal material. Furthermore, the present invention relates to a blue phase liquid crystal material stabilized by the method according to the present invention or having an operating voltage that is lowered by the method according to the present invention. Furthermore, the present invention relates to a liquid crystal cell comprising a blue phase liquid crystal material and to a liquid crystal display comprising a blue phase liquid crystal material. The present invention also relates to a method of broadening the stability temperature range of a liquid crystal material in its blue phase state. | 10-06-2011 |
20110240921 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - The invention is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced between at least two of the characteristics; and is to provide a AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth, wherein the liquid crystal composition includes a specific compound having a large negative dielectric anisotropy and a low minimum temperature as a first component and a specific compound having a large negative dielectric anisotropy, and the liquid crystal display device contains this composition. | 10-06-2011 |
20110260106 | LIQUID CRYSTAL COMPOUNDS OF BUTYLENES - A nematic phase liquid crystal compound with negative dielectric constant has a structure represented by | 10-27-2011 |
20120074355 | FIVE-RING LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - The invention provides a liquid crystal compound having a high stability to heat, light or the like, a nematic phase in a wide temperature range, a small viscosity, a suitable optical anisotropy (especially, a relatively small optical anisotropy), a large elastic constant K | 03-29-2012 |
20120132855 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - To provide a liquid crystal composition exhibiting a blue phase, which enables higher contrast, and a liquid crystal display device including the liquid crystal composition. The liquid crystal composition contains a chiral agent and liquid crystal containing a compound having three electron-withdrawing groups as end groups of a structure where a plurality of rings including at least one aromatic ring is linked to each other directly or with a linking group laid therebetween. The peak of the diffracted wavelength on the longest wavelength side in the reflectance spectrum of the liquid crystal composition is less than or equal to 450 nm, preferably less than or equal to 420 nm. Further, a liquid crystal display device can be provided using the liquid crystal composition. | 05-31-2012 |
20120168677 | LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal compound represented by formula (1-1). | 07-05-2012 |
20120205583 | COMPOUNDS FOR A LIQUID CRYSTAL MEDIUM AND HIGH-FREQUENCY COMPONENTS CONTAINING SAID LIQUID CRYSTAL MEDIUM - The present invention relates to bistolans of the formula I | 08-16-2012 |
20120267571 | COMPOUNDS FOR A LIQUID-CRYSTALLINE MEDIUM, AND THE USE THEREOF FOR HIGH-FREQUENCY COMPONENTS - The present invention relates to compounds of the formula I | 10-25-2012 |
20120273724 | COMPOUNDS FOR A LIQUID-CRYSTALLINE MEDIUM, AND USE FOR HIGH-FREQUENCY COMPONENTS - The present invention relates to compounds of the formula (I) | 11-01-2012 |
20120292568 | LIQUID CRYSTAL COMPOSITION CONTAINING POLYMERIZABLE COMPOUND AND LIQUID CRYSTAL DISPLAY ELEMENT MANUFACTURED USING THE SAME - A liquid crystal composition containing a polymerizable compound contains one or two or more polymerizable compounds having the general formula (I) as a first component and one or two or more non-polymerizable liquid crystal compounds having an alkenyl group as a second component. A liquid crystal display element is manufactured using the liquid crystal composition. | 11-22-2012 |
20120292569 | NEMATIC LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A polymerizable compound-containing liquid crystal composition includes at least one of compounds represented by general formulae (I) to (IV). A liquid crystal display device uses the liquid crystal composition. | 11-22-2012 |
20130056680 | LIQUID CRYSTALLINE MEDIUM AND LIQUID CRYSTAL DISPLAY - The instant invention relates to liquid crystalline media comprising
| 03-07-2013 |
20130092875 | CYCLOHEXANE COMPOUND AND LIQUID CRYSTAL COMPOSITION CONTAINING THE SAME - The present invention intends to provide a novel cyclohexane compound that can form a liquid crystal composition of which response speed is improved when mixed with a nematic liquid crystal and the like and to provide a specified liquid crystal composition in which a novel cyclohexane compound is mixed. The novel cyclohexane compound is represented by the following formula (1). | 04-18-2013 |
20130105732 | LIQUID CRYSTAL COMPOSITION, POLYMER/LIQUID CRYSTAL COMPOSITE, LIQUID CRYSTAL ELEMENT, AND LIQUID CRYSTAL DISPLAY DEVICE | 05-02-2013 |
20130126782 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition exhibiting a blue phase, which enables higher contrast, and a liquid crystal display device including the liquid crystal composition. The liquid crystal composition contains a chiral agent and liquid crystal containing a compound having three electron-withdrawing groups as end groups of a structure where a plurality of rings including at least one aromatic ring is linked to each other directly or with a linking group laid therebetween. At least one of the three electron-withdrawing groups includes a trifluoromethyl group. The peak of the diffracted wavelength on the longest wavelength side in the reflectance spectrum of the liquid crystal composition is less than or equal to 450 nm, preferably less than or equal to 420 nm. Furthermore, a liquid crystal display device can be provided with the use of the liquid crystal composition. | 05-23-2013 |
20130126783 | COMPOUND HAVING PROPYL ETHER AS BONDING GROUP, LIQUID CRYSTAL COMPOSITION THEREOF AND LIQUID CRYSTAL DISPLAY DEVICE THEREOF - A liquid crystal compound is described, which has stability to heat, light and so forth, keeps a nematic phase in a wide temperature range, has a small viscosity, a suitable optical anisotropy and a suitable elastic constant K | 05-23-2013 |
20130134355 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - The invention provides a liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of the nematic phase, a small viscosity, a large optical anisotropy, a large positive dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or provides a liquid crystal composition having a suitable balance regarding at least two of the characteristics. A liquid crystal display device containing such a liquid crystal composition is applied as an AM device having a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth, and thus can be suitably used for a liquid crystal projector, a liquid crystal television and so forth. | 05-30-2013 |
20130146812 | METHOD OF RECYCLING CHOLESTERIC LIQUID CRYSTAL - A method of recycling a cholesteric liquid crystal is provided. The method includes providing a display medium material containing a micro-encapsulated cholesteric liquid crystal. The display medium material is mixed with a hydrophilic solvent to form a mixture having a temperature of between 70° C. and 100° C. Then, a hydrophobic solvent is added to mix with the hydrophilic solvent. The display medium material, the hydrophobic solvent and the hydrophilic solvent are mixed to form a mixture having a hydrophobic layer and a hydrophilic layer. The hydrophobic layer and the hydrophilic layer of the mixture are separated, wherein the hydrophobic layer contains a cholesteric liquid crystal and the hydrophobic solvent. Then, the hydrophobic solvent is removed from the hydrophobic layer to obtain the cholesteric liquid crystal. | 06-13-2013 |
20130221274 | COMPOUNDS FOR A LIQUID-CRYSTALLINE MEDIUM, AND THE USE THEREOF FOR HIGH-FREQUENCY COMPONENTS - The present invention relates to 1,4-diethynylbenzene derivatives having substituents in the 2,3-position (cf. formula I, Claims), to the use thereof for high-frequency components, to liquid-crystalline media comprising the compounds, and to high-frequency components, in particular antennae, especially for the gigahertz range, comprising these media. The liquid-crystalline media serve, for example, for the phase shifting of microwaves for tuneable ‘phased-array’ antennae. | 08-29-2013 |
20130270480 | CYCLOHEXENE-3,6-DIYL COMPOUND, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - To provide a compound, when the compound has both a high clearing point and a low crystallization temperature, having a wide temperature range of a liquid crystal phase and also an excellent solubility in other liquid crystal compounds, and further having general physical properties necessary for the compound, namely, stability to heat, light and so forth, a suitable optical anisotropy and a suitable dielectric anisotropy. A compound is represented by formula (1): | 10-17-2013 |
20130277612 | CYCLOHEXENE-3,6-DIYL COMPOUND, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - To provide a compound, when the compound has both a high clearing point and a low crystallization temperature, having a wide temperature range of a liquid crystal phase and also an excellent solubility in other liquid crystal compounds, and further having general physical properties necessary for the compound, namely, stability to heat, light and so forth, a suitable optical anisotropy and a suitable dielectric anisotropy. A compound is represented by formula (1): | 10-24-2013 |
20130306909 | PHENOLIC COMPOUND HAVING CARBONYL AS NEIGHBORING GROUP AND APPLICATION THEREOF - To provide a liquid crystal compound having a large negative value of dielectric anisotropy (Δ∈). A compound is represented by formula (1): | 11-21-2013 |
20130306910 | Liquid Crystal Display - The present invention relates to liquid-crystal (LC) media for use in LC displays of the PS (polymer stabilised) or PSA (polymer sustained alignment) type. | 11-21-2013 |
20130334462 | POLYMERIZABLE COMPOUND-CONTAINING LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A polymerizable compound-containing liquid crystal composition of the present invention relates to a liquid crystal composition containing a polymerizable compound represented by general formula (I) and a compound represented by general formula (II) and can be used for a liquid crystal display device imparted with liquid crystal aligning ability by polymerization. The polymerizable liquid crystal composition is required to cause no precipitation in a wide temperature range and have a low viscosity corresponding to fast switching, and a liquid crystal display device using the composition is required to have more stable alignment after polymerization and to cause no defect in display characteristics. In the present invention, the problems can be solved using a specified compound. | 12-19-2013 |
20130341565 | LIQUID CRYSTAL MOLECULE HAVING FLEXIBLE STRUCTURE AND MIXTURE FOR THE SAME - The present invention discloses a liquid crystal (LC) molecule having a flexible structure and a mixture thereof. A traditional LC molecule is modified into the LC molecule having the flexible structure. The wetting ability of the LC molecule within a color-filter-on-array (COA) type LC panel is increased by properties of the flexible structure, so that the LC molecule having the flexible structure can obtain better diffusing performance than that of the traditional LC molecule. The present invention can increase the wetting ability of the LC molecule within an LC panel by modification of the flexible structure of the LC molecule, and thus the problem of drop Mura effect in the COA type LC panel can be improved. | 12-26-2013 |
20140008573 | COMPOUNDS HAVING A C-C TRIPLE BOND - The present invention relates to compounds containing at least one C—C triple bond within a chain of at least 3 ring systems which have positive dielectric anisotropy, to the use thereof for high-frequency components, to liquid-crystalline media comprising the compounds, and to high-frequency components, in particular antennae, especially for the gigahertz region, comprising these media. The liquid-crystalline media serve, for example, for the phase shifting of microwaves for tuneable ‘phased-array’ antennae. | 01-09-2014 |
20140008574 | LIQUID CRYSTAL DISPLAY AND METHOD OF MANUFACTURING THE SAME - A liquid crystal display includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a first insulating substrate, in which a pixel area is defined, a gate line formed on the first insulating substrate, a data line crossing the gate line, and a thin film transistor connected to the gate line and the data line. The second substrate is opposite to the first substrate. The liquid crystal layer is interposed between the first and second substrates and includes a liquid crystal composition with a nematic-isotropic phase transition temperature (Tni) of 79° C. or above. | 01-09-2014 |
20140021408 | LIQUID CRYSTAL MEDIUM COMPOSITION OF LIQUID CRYSTAL DISPLAY - A liquid crystal medium composition of liquid crystal display includes: a negative liquid crystal material, reactive monomer, an initiator, and a stabilizer. The initiator functions to induce photo polymerization of the reactive monomer. The initiator has a molecular structure comprising aromatic rings, carbonyl groups connected to the aromatic rings, and substituted moieties connected to the aromatic rings. The initiator lowers the activation energy of chain initiation reaction of the polymerization of reactive monomer to allow the photo polymerization of the reactive monomer to take place in a wider wavelength range of 200-450 nm, so as to reduce the required intensity and luminance of ultraviolet light and to speed up the reaction of the reactive monomers and also to provide a uniform result of reaction, to reduce the destruction that the ultraviolet light causes on the material of alignment layer and the liquid crystal material, and to improve stability of the panel. | 01-23-2014 |
20140021409 | MESOGENIC COMPOUNDS, LIQUID-CRYSTALLINE MEDIA AND COMPONENTS FOR HIGH-FREQUENCY TECHNOLOGY - The present invention relates to a liquid-crystal medium which comprises a component A which consists of one or more compounds of the formula X | 01-23-2014 |
20140070142 | NEMATIC LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL DISPLAY ELEMENT USING SAME - A nematic liquid crystal composition according to the invention is used for a liquid crystal display element for an active matrix drive for TV applications or the like for which a quick switching and a wide viewing angle are required. The liquid crystal composition has a negative dielectric anisotropy having a large absolute value and also has a sufficiently low viscosity. Therefore, the liquid crystal composition has excellent characteristic properties, that is, a quick switching, good display quality and a suppressed display defect, and is therefore suitable as a practical liquid crystal composition. Further, a liquid crystal display element produced using the liquid crystal composition can be used favorably as a liquid crystal display element of a VA type or the like. | 03-13-2014 |
20140077131 | LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - The invention provides a liquid crystal compound represented by formula (1): | 03-20-2014 |
20140084211 | Mixture for Liquid Crystal Medium and Liquid Crystal Display Using the Same - The present invention provides a mixture for liquid crystal medium and a liquid crystal display using the same. The mixture for liquid crystal medium comprises: at least one anisotropic liquid crystal material and only one polymerizable monomer which will polymerize under UV irradiation. The weight percentage of the polymerizable monomer accounts for 0.1% to 1% of the total mixture for liquid crystal medium. In the mixture for liquid crystal medium and a liquid crystal display using the same according to the present invention, by using only one polymerizable monomer which will polymerize under UV irradiation and the appropriate content ratio, the polymer bump with small size and good uniformity can be obtained within the mixture for liquid crystal medium after the polymerization, which avoids the bad liquid crystal alignment and the light spot occurred at the dark state of the liquid crystal panel, and then increases the response rapid of the liquid crystal panel to obtain high contrast ratio and stable mass production. | 03-27-2014 |
20140103257 | LIQUID CRYSTAL COMPOUND HAVING NEGATIVE DIELECTRIC ANISOTROPY, AND LIQUID CRYSTAL COMPOSITION - A liquid crystal composition includes a liquid crystal compound having a formula (I), where R | 04-17-2014 |
20140138582 | LIQUID CRYSTAL COMPOUND HAVING VINYLOXY, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal compound having high stability to heat, light and so forth, a high clearing point, a low minimum temperature of a liquid crystal phase, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, a suitable elastic constant and excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. The compound is represented by formula (1-1): | 05-22-2014 |
20140217325 | LIQUID-CRYSTALLINE MEDIUM AND HIGH-FREQUENCY COMPONENTS COMPRISING SAME - The present invention relates to liquid-crystalline media and to high-frequency components comprising same, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, in particular for microwave phased-array antennas. | 08-07-2014 |
20140231712 | NEMATIC LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A liquid crystal composition of the present invention has a liquid phase over a wide temperature range, low viscosity, good solubility at a low temperature, high resistivity and voltage holding ratio, and stability to heat and light, and can thus provide, in high yield, a liquid crystal display device having good display quality and causing little display defects such as image sticking, dropping marks, and the like. A liquid crystal display device using the liquid crystal composition of the present invention is useful, particularly useful for a liquid crystal display device for active matrix driving, because both fast response and suppression of display defects are achieved, and the liquid crystal display device can be applied to a liquid crystal display device for a VA mode, a PSVA mode, or a TN mode. | 08-21-2014 |
20140239226 | NEMATIC LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A liquid crystal composition of the present invention is used for a liquid crystal display device of an active matrix driving mode which is required to have fast response. The liquid crystal composition has negative dielectric anisotropy, a large absolute value thereof, and low viscosity. Also, the liquid crystal composition has excellent liquid crystallinity that does not decrease Δn and T | 08-28-2014 |
20140239227 | LIQUID CRYSTAL MEDIUM AND HIGH-FREQUENCY COMPONENTS COMPRISING SAME - The present invention relates to liquid crystal media and to high-frequency components comprising same, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, in particular for microwave phased-array antennas. | 08-28-2014 |
20140312276 | LIQUID CRYSTAL COMPOUNDS CONTAINING A DIFLUOROMETHYLENEOXY LINKING GROUP THAT HYDROGEN SUBSTITUTED BY DEUTERIUM, THEIR PREPARATION AND APPLICATION - This invention relates to liquid crystal compound of formula I containing a difluoromethyleneoxy linking group that hydrogen substituted by deuterium and therefore being very suitable for formulating a liquid crystal mixture. A liquid crystal mixture containing such type of liquid crystal compounds can be applied in various display devices. | 10-23-2014 |
20140361220 | NEMATIC LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT USING SAME - The liquid crystal composition of the present invention is used for liquid crystal display devices of an IPS mode, a TN mode, and the like that have a high response speed and do not easily cause display defectiveness such as ghosting or dropping marks. The liquid crystal composition contains a component which is a dielectrically positive component containing a dielectrically positive compound and a dielectrically neural component which exhibits dielectric anisotropy greater than −2 and smaller than +2. The liquid crystal composition has excellent properties in which the composition forms a liquid crystal phase in a wide temperature range, has a low viscosity, dissolves excellently at a low temperature, has a high degree of specific resistance and voltage holding ratio, and is stable with respect to heat or light. | 12-11-2014 |
20150028256 | LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL DISPLAY ELEMENT, AND LIQUID CRYSTAL DISPLAY - A liquid crystal composition having a negative dielectric anisotropy, a component (B) including at least one compound represented by formula (1.1) or formula (1.2), wherein the compound (B) is dielectrically neutral, having a dielectric anisotropy of more than −2 and less than +2; and a component (A) including at least one compound represented by formula (2.1) or formula (2.2), wherein the component (A) is dielectrically negative, having a dielectric anisotropy of −2 or less. | 01-29-2015 |
20150028257 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT USING THE SAME - The liquid crystal composition of the present invention can be used in a liquid crystal display element of an IPS type or a TN type in which display defects such as burn-in and dropping marks in high speed response are unlikely to be generated. Since the liquid crystal composition contains a component which is a dielectrically positive component including a dielectrically positive compound and a dielectrically neutral component of which dielectric anisotropy is greater than −2 and less than +2, the liquid crystal composition has excellent characteristics that the liquid crystal composition has a liquid crystal phase in a wide temperature range, low viscosity, excellent solubility at a low temperature, high specific resistance and a high voltage holding ratio, and is stable with respect to heat and light. | 01-29-2015 |
20150034873 | NEMATIC LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL DISPLAY ELEMENT USING SAME - A nematic liquid crystal composition according to the invention is used for a liquid crystal display element for an active matrix drive for TV applications or the like for which a high speed and a wide viewing angle are required. The liquid crystal composition has a negative dielectric anisotropy having a large absolute value and also has a sufficiently low viscosity. Therefore, the liquid crystal composition has excellent characteristic properties, that is, a high speed response, good display quality and a suppressed display defect, and is therefore suitable as a practical liquid crystal composition. Further, a liquid crystal display element produced using the liquid crystal composition can be used favorably as a liquid crystal display element of a VA type or the like. | 02-05-2015 |
20150053891 | FLUOROBIPHENYL-CONTAINING COMPOSITION - A composition contains three or more compounds represented by general formula (i) below. | 02-26-2015 |
20150060733 | NEMATIC LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT USING THE SAME - The nematic liquid crystal composition exhibits a positive dielectric anisotropy (Δε), the liquid crystal composition being useful as a liquid crystal display material, and a liquid crystal display element using the same. The liquid crystal composition of the present invention has a large absolute value of dielectric anisotropy thereof and a low viscosity. By using this liquid crystal composition, it is possible to provide a liquid crystal display element which has a high contrast, high-speed responsiveness, and good display quality in which image sticking and display defects are not generated. The liquid crystal display element using the liquid crystal composition is a useful display element which realizes both high-speed response and suppression of display defects. In particular, the liquid crystal display element is useful as a liquid crystal display element for active-matrix driving, and can be applied to, for example, an IPS-type or TN-type liquid crystal display element. | 03-05-2015 |
20150108403 | Liquid crystal composition and liquid crystal display element - There is provided a liquid crystal composition comprising: at least one kind of a compound represented by the following formula (i); and at least one kind of a compound represented by the following formula (ii). In the formulae, each of R | 04-23-2015 |
20150115200 | LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL DISPLAY ELEMENT, AND LIQUID CRYSTAL DISPLAY - A liquid crystal composition having a negative dielectric anisotropy includes a dielectrically negative component (A) containing a compound represented by a general formula (1) below, and a component (B) that is a dielectrically neutral component containing at least one of compounds represented by a formula (2.1) and a formula (2.2) below. In the following formula, R | 04-30-2015 |
20150123032 | NEMATIC LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal composition having a sufficiently low viscosity (η), a sufficiently low rotational viscosity (γ1), a high elastic constant (K | 05-07-2015 |
20150291881 | FLUOROBIPHENYL-CONTAINING COMPOSITION - There is provided a composition containing a compound represented by General Formula (i) and a compound represented by General Formula (ii) | 10-15-2015 |
20150307780 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT USING SAME - This liquid crystal composition includes at least one compound represented by general formula (i), and at least one compound represented by general formula (ii) (in the formulae: R | 10-29-2015 |
20150315468 | NEMATIC LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - There is provided a liquid crystal composition having a sufficiently low viscosity (η), a sufficiently low rotational viscosity (γ1), a high elastic constant (K | 11-05-2015 |
20150315469 | NEMATIC LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT USING SAME - There is provided a liquid crystal composition having a dielectric anisotropy (Δ∈) large in absolute value, a sufficiently low viscosity (η), a sufficiently low rotational viscosity (γ | 11-05-2015 |
20150329782 | LIQUID CRYSTALLINE MEDIUM AND LIQUID CRYSTAL DISPLAY - The instant invention relates to liquid crystalline media comprising
| 11-19-2015 |
20150337200 | LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL DISPLAY ELEMENT, AND LIQUID CRYSTAL DISPLAY - A liquid crystal composition having a negative dielectric anisotropy includes: a component (B) which contains a compound represented by the following formula (1) and which is a dielectrically neutral component; and a dielectrically negative component (A) which contains at least two types of compounds selected from the group consisting of compounds represented by the following formulas (2) to (5). R | 11-26-2015 |
20150376500 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE USING SAME - The present invention relates to a liquid crystal composition used in a liquid crystal display device. A problem to be solved by the invention is to provide a liquid crystal composition and a liquid crystal display device using the liquid crystal composition, the liquid crystal composition being suitable for a liquid crystal display device, causing little dropping marks during manufacture and realizing stable discharge of a liquid crystal material in an ODF process without degrading characteristics as a liquid crystal display device, such as dielectric anisotropy, bulk viscosity, nematic phase upper limit temperature, rotational viscosity γ | 12-31-2015 |
20150376501 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE USING SAME - The invention provides a liquid crystal composition having positive Δ∈, a liquid crystal phase over a wide temperature range, low viscosity, good solubility at a low temperature, high resistivity and voltage holding ratio, and stability to heat and light. There is provided a liquid crystal composition containing at least one compound represented by general formula (i) below and at least one compound represented by general formula (ii) below. | 12-31-2015 |
20160002532 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition that has negative dielectric anisotropy and that comprises a specific compound having a large optical anisotropy and a small viscosity as a first component, a specific compound having a small viscosity as a second component, and a specific compound having a large negative dielectric anisotropy as a third component, and may comprise a specific compound having a high maximum temperature or a low maximum temperature as a fourth component, or a specific compound having a polymerizable group as an additive component. | 01-07-2016 |
20160009996 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE | 01-14-2016 |
20160009998 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE | 01-14-2016 |
20160009999 | NEMATIC LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DEVICE USING THE SAME | 01-14-2016 |
20160017227 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT INCLUDING THE SAME - An object of the present invention is to provide a liquid crystal composition suitable for producing liquid crystal display elements which reduces the risk of the formation of droplet traces during production and allows a liquid crystal material to be ejected at a constant rate during an ODF process without deteriorating the properties of the liquid crystal display element, such as dielectric anisotropy, viscosity, nematic-phase upper-limit temperature, nematic-phase stability at a low temperature, and γ | 01-21-2016 |
20160040066 | LIQUID-CRYSTALLINE MEDIUM AND HIGH-FREQUENCY COMPONENTS COMPRISING SAME - The present invention relates to liquid-crystalline media comprising
| 02-11-2016 |
20160046862 | LIQUID CRYSTALLINE MEDIUM - The present invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy (Δ∈), which is distinguished by the fact that it has a value for the ratio γ | 02-18-2016 |
20160060521 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - There is provided a liquid crystal composition which is suitably used in a liquid crystal display device without impairment of properties inherent in liquid crystal display devices. There is provided a liquid crystal display device in which such a liquid crystal composition is used. There is provided a liquid crystal composition having a negative dielectric anisotropy and containing a compound represented by Formula (I-1) and at least one compound represented by General Formula (II) and also provided a liquid crystal display device in which such a liquid crystal composition is used. | 03-03-2016 |
20160068751 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - There is provided a liquid crystal composition having a negative dielectric anisotropy and containing at least one compound represented by General Formula (I) and at least one compound represented by General Formula (II). There is also provided a liquid crystal display device involving use of such a liquid crystal composition having a negative dielectric anisotropy and containing at least one compound represented by General Formula (I) and at least one compound represented by General Formula (II). | 03-10-2016 |
20160068752 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT USING THE SAME - There is provided a liquid crystal composition suitable for use in a liquid crystal display element that suffers less from drop marks that occur during production without degrading ghosting properties of the display element and various properties of the liquid crystal display element, such as dielectric anisotropy, viscosity, nematic phase upper limit temperature, low-temperature nematic phase stability, and γ | 03-10-2016 |
20160075945 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT USING THE SAME - An object of the present invention is to provide a liquid crystal composition in which various characteristics of a liquid crystal display element such as a dielectric anisotropy, a viscosity, a nematic phase upper limit temperature, and γ | 03-17-2016 |
20160075946 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - There is provided a liquid crystal display device that uses such a liquid crystal composition is also provided. Provided is a liquid crystal composition that includes a first component which is at least one selected from the group consisting of compounds represented by general formula (1) and a second component which is at least one component selected from the group consisting of compounds represented by general formula (2). Also provided is a liquid crystal display device that uses a liquid crystal composition that contains the first component and the second component. | 03-17-2016 |
20160075947 | NEMATIC LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT USING SAME - The present invention relates to a nematic liquid crystal composition with negative dielectric anisotropy (Δ∈) useful as a liquid crystal display material, and to a liquid crystal display device using the composition. | 03-17-2016 |
20160102252 | METHOD FOR PRODUCING COMPOSITION - A raw material composition containing a hindered phenol compound having a specified structure and a compound constituting a liquid crystal material is prepared, the raw material composition is brought into contact with a purifying agent after being dissolved in an organic solvent or without the addition of an organic solvent to the raw material composition, and then the purifying agent is removed, and when a composition after the purifying agent is removed does not contain the organic solvent, the composition is provided as a target composition, and when the composition after the purifying agent is removed contains the organic solvent, the organic solvent is distilled off to provide a target composition. | 04-14-2016 |
20160168462 | NEMATIC LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME | 06-16-2016 |
20170233651 | LIQUID CRYSTAL COMPOSITION AND DISPLAY DEVICE THEREOF | 08-17-2017 |
20170233652 | LIQUID-CRYSTALLINE MEDIUM AND LIQUID-CRYSTAL DISPLAY COMPRISING THE SAME | 08-17-2017 |