Entries |
Document | Title | Date |
20080246912 | Liquid crystal display - The present invention provides a liquid crystal display (LCD) which is an active-matrix addressing LCD prepared by a drop filling and substrate assembling method, prevents an occurrence of a drop mark, and has superior residual image characteristics. The residual image characteristics are improved by adding an acidic compound (for instance, phenol derivative | 10-09-2008 |
20080266512 | Liquid Crystal Material, Method for Producing Liquid Crystal Material and Liquid Crystal Device - The present invention provides a liquid crystal material, method for producing the liquid crystal material, and liquid crystal device thereof which shows low light absorption in the ultraviolet light region. A compound of formula (I) | 10-30-2008 |
20080266513 | LIQUID CRYSTAL DISPLAY AND METHOD OF FABRICATING THE SAME - A liquid crystal display (LCD) comprises a first substrate comprising a pixel electrode comprising one or more first domain-forming features and further comprising a first vertical alignment film disposed on the pixel electrode; a second substrate facing the first substrate and comprising a common electrode which comprises one or more second domain-forming features and further comprises a second vertical alignment film disposed on the common electrode; and a liquid crystal compound interposed between the first and second substrates, wherein the liquid crystal compound comprises liquid crystal molecules, ultraviolet (UV) hardening monomers and UV hardening initiators, and the liquid crystal molecules are pre-tilted to form an angle greater than 88 degrees but less than 90 degrees with respect to the first substrate when no driving power is applied to the pixel and common electrodes. Fast response time is provided in some embodiments. | 10-30-2008 |
20080273160 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY APPARATUS USING THE SAME - A liquid crystal composition includes a bicyclohexyl compound in an amount of about 35 percent by weight to about 50 percent by weight, a cyclohexyl phenyl compound in an amount of about 15 percent by weight to about 25 percent by weight, a bicyclohexyl phenyl compound in an amount of about 20 percent by weight to about 25 percent by weight, and a cyclohexyl biphenyl compound in an amount of about 15 percent by weight to about 20 percent by weight. The liquid crystal composition can improve the display quality and response time of a liquid crystal display (LCD) apparatus. | 11-06-2008 |
20080304002 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY USING THE SAME - Disclosed are a liquid crystal composition and a liquid crystal display using the same. The liquid crystal composition includes a polar compound and a low-viscosity compound. The liquid crystal display includes first and second substrates that face each other, and first and second electrodes disposed on the first and second substrates, respectively. A liquid crystal layer including the liquid crystal composition is disposed between the first and second substrates. | 12-11-2008 |
20090027611 | Metal Nanoparticle and Use Thereof for Inducing Chirality in Liquid Crystal Phases - The invention provides a metal nanoparticle comprising a metal and a chiral and/or thiolate group bonded to the metal. The monolayer-protected metal nanoparticle may be used as a chiral dopant in a liquid crystal. Accordingly, the invention also provides a colloidal suspension or dispersion comprising a metal nanoparticle comprising a metal and a chiral and/or thiolate group bonded to the metal, and a liquid crystal. | 01-29-2009 |
20090027612 | LAMINATED STRUCTURE, PROCESS OF PRODUCING A LIQUID CRYSTAL CELL SUBSTRATE USING THE SAME, LIQUID CRYSTAL CELL SUBSTRATE, AND LIQUID CRYSTAL DISPLAY DEVICE - A laminated structure comprising, at least one optically anisotropic layer formed of a liquid crystalline composition comprising a compound having two or more types of reactive groups, and at least one photosensitive polymer layer. The laminated structure is useful for forming an optically anisotropic layer inside of a liquid crystal cell. The laminated structure is also useful for forming a liquid crystal cell substrate with an optically anisotropic layer having an optically compensating ability, inside of a liquid crystal cell. | 01-29-2009 |
20090033861 | DICHROIC DYE COMPOSITION, AND LIQUID-CRYSTAL COMPOSITION AND LIQUID-CRYSTAL ELEMENT INCLUDING DICHROIC DYE - Provided are a dichroic dye composition in which a solubility of the dichroic dye with respect to liquid-crystal is sufficiently high and a wavelength dispersion of absorbance is small in a wide wavelength range, and a black guest-host liquid-crystal composition indicating high order parameters using such a dichroic dye composition and a liquid-crystal element having high contrast. The dichroic dye composition includes at least one dichroic dye selected from Group (I) shown below, at least one dichroic dye selected from Group (II) shown below, and at least one dichroic dye selected from Group (III) shown below. | 02-05-2009 |
20090059157 | OPTICALLY ISOTROPIC LIQUID CRYSTAL MEDIUM AND OPTICAL DEVICE - A liquid crystal medium is described, which has stability to heat, light and so on, a wide temperature range of liquid crystal phase, a large optical anisotropy and a large dielectric anisotropy, and exhibits an optically isotropic liquid crystal phase. The liquid crystal medium includes a liquid crystal compound represented by formula (1) and a chiral reagent and exhibits an optically isotropic liquid crystal phase. | 03-05-2009 |
20090103041 | Novel compound and liquid crystal composition - A compound represented by the following general formula (I). | 04-23-2009 |
20090103042 | 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 small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy and a large specific resistance, and a liquid crystal composition is provided that satisfies these characteristics and also has a low minimum temperature of a nematic phase, preferably −20° C. or less. A liquid crystal display device containing the liquid crystal composition is also provided. The liquid crystal composition has a negative dielectric anisotropy and contains a liquid crystal compound having an ethylene bond and 2,3-difluorophenylene as a first component and a liquid crystal compound having phenylene having halogens replacing two hydrogens as the second component, and the liquid crystal display device contains the liquid crystal composition. | 04-23-2009 |
20090135366 | PDLC with thermally transferred electrode - A PDLC light shutter includes a conductive layer that is thermally bonded to the shutter as an electrode. The layer can be patterned to provide light transmission even if the conductive layer is relatively opaque. A patterned electrode can be reconfigured easily for prototype or low volume production yet the method and apparatus are suitable for volume production as well. Toner powder can be used as an adhesive and the conductive layer is patterned directly from a xerographic print. | 05-28-2009 |
20090135367 | LIQUID CRYSTAL DISPLAY DEVICE AND LIQUID CRYSTAL MIXTURE USED BY THE SAME - A liquid crystal display includes a first display panel including a pixel electrode, a second display panel spaced apart from and facing the first display panel, and a liquid crystal mixture disposed between the first and second display panels. The liquid crystal mixture contains liquid crystals represented by Formula (1): | 05-28-2009 |
20090147210 | 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 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): | 06-11-2009 |
20090185129 | BISTABLE FERROELECTRIC LIQUID CRYSTAL DEVICES - A liquid crystal electro-optic device. The liquid crystal electro-optic device comprises at least one liquid crystal cell comprising: a pair of substrates having a gap therebetween; a pair of electrodes, the pair of electrodes positioned on one of the substrates or one electrode positioned on each substrate; and a ferroelectric, oligosiloxane liquid crystal material disposed in the gap between the pair of substrates, the ferroelectric, oligosiloxane liquid crystal material exhibiting an I-♦ SmC* phase sequence wherein the liquid crystal electro-optic device is bistable in operation. The invention also involves a method for making a liquid crystal electro-optic device. | 07-23-2009 |
20090237610 | 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 at least one compound selected from the group of compounds represented by formulas (1-1) to (1-3), and the second component is at least one compound selected from the group of compounds represented by formula (2): | 09-24-2009 |
20090268150 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid-crystal composition which satisfies at least one of properties including a high upper-limit temperature for the nematic phase, low lower-limit temperature for the nematic phase, low viscosity, high optical anisotropy, negatively high permittivity anisotropy, high specific resistance, high stability to ultraviolet, and high stability to heat or has a proper balance between at least two of those properties. The liquid-crystal composition comprises a first ingredient comprising at least one compound selected among compounds represented by the formulae (1-1) and (1-2) and a second ingredient comprising at least one compound selected among compounds represented by the formula (2) and has negative permittivity anisotropy. For example, R | 10-29-2009 |
20090323010 | Liquid Crystal Composition and Liquid Crystal Element - The invention provides a liquid crystal composition having an optically isotropic liquid crystal phase used in an element driven in a state of an optically isotropic liquid crystal phase, which comprises a compound I having the clearing point T | 12-31-2009 |
20090323011 | MESOGEN CONTAINING COMPOUNDS - Compounds including at least one mesogenic substructure and at least one long flexible segment and methods of synthesizing the same are disclosed. Formulations which include various embodiments of the mesogen containing compounds and their use in articles of manufacture and ophthalmic devices are also disclosed. | 12-31-2009 |
20090323012 | LIQUID CRYSTAL COMPOSITIONS COMPRISING MESOGEN CONTAINING COMPOUNDS - Liquid crystal compositions comprising compounds including at least one mesogenic substructure and at least one long flexible segment and a compound selected from a photochromic compound, a dichroic compound and a photochromic-dichroic compound and methods of synthesizing the same and their use in articles of manufacture and ophthalmic devices are disclosed. | 12-31-2009 |
20100026953 | LIQUID-CRYSTALLINE MEDIUM - The invention relates to a liquid-crystalline medium comprising one or more compounds of the formula I | 02-04-2010 |
20100053537 | VERTICAL ALIGNMENT LIQUID CRYSTAL DISPLAY PANEL AND LIQUID CRYSTAL MATERIAL THEREOF - A vertical alignment liquid crystal display panel (LCD) panel is provided. The vertical alignment LCD panel comprising a lower substrate, an upper substrate and a liquid crystal layer interposed between the two substrates. The liquid crystal layer comprises a plurality of liquid crystal molecules and an alignment polymer. The liquid crystal molecules comprise a plurality of neutral liquid crystal molecules and negative liquid crystal molecules, wherein the negative liquid crystal molecules are about 51 to 85 weight percents of the liquid crystal layer. | 03-04-2010 |
20100073621 | LIQUID CRYSTALLINE COMPOUND, LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL DISPLAY ELEMENT - The invention provides a liquid crystal compound which has stability to heat, light and so forth, shows liquid crystal phases in a wide temperature range, and has a small viscosity, an appropriate optical anisotropy, a large dielectric anisotropy, and an excellent compatibility with other liquid crystal compounds. The invention provides a liquid crystal composition which has an appropriate optical anisotropy, an appropriate dielectric anisotropy, a low threshold voltage, and a high maximum temperature and a low minimum temperature of a nematic phase. The invention provides a liquid crystal display device which has a short response time, a small power consumption, a small driving voltage, and a large contrast, and can be used in a wide temperature range. | 03-25-2010 |
20100085529 | LIQUID-CRYSTALLINE MEDIUM AND LIQUID-CRYSTAL DISPLAY COMPRISING 1,2-DIFLUOROETHENE COMPOUNDS - The present invention relates to a liquid-crystalline medium comprising 1,2-difluoroethene compounds of the general formula I, in which R | 04-08-2010 |
20100134751 | LIQUID-CRYSTALLINE MEDIUM - The invention relates to a liquid-crystalline medium having negative dielectric anisotropy based on a mixture of polar compounds, which comprises at least one compound of the formula I | 06-03-2010 |
20100231844 | FLUOROBICYCLO[2.2.2]OCTANE COMPOUND, METHOD OF PRODUCING THE SAME, AND APPLICATIONS THEREOF - A liquid crystal composition comprising at least one compound having a fluorobicyclo[2.2.2]octane skeleton represented by formula (I) below is disclosed. A fluorobicyclo[2.2.2]octane compound represented by formula (II) below is also disclosed. In the formulae, Y represents a hydrogen atom or fluorine atom. | 09-16-2010 |
20100321626 | BISTABLE DISPLAY MATERIALS AND METHODS AND DEVICES THEREOF - A display material and method and device thereof are provided. The display material is first formed by evenly mixing appropriate weight ratios of DFLCs, incurable nanoparticles, curable nanoparticles, and a photoinitiator. Next, the evenly mixed mixture is disposed between two parallel conducting transparent substrates, wherein an electrical field is conducted thereto and the DFLCs therein aligned to the direction of the applied electrical field. Concurrently, under the applied electrical field, some curable nanoparticles within the evenly mixed mixture, form short nano chains, initiating the photo initiator. The frame structure of short nano chains stabilize both the clear and scattering states, thereby the bistable characteristic was improved and the contrast ratio was enhanced as applied to bistable displays. | 12-23-2010 |
20100328600 | LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - The invention provides a liquid crystal compound having stability to heat, light and so forth, a wide temperature range of a nematic phase, a small viscosity, a suitable optical anisotropy, a suitable elastic constant K | 12-30-2010 |
20100328601 | LIQUID CRYSTAL COMPOSITION CONTAINING POLYMERIZABLE COMPOUND AND LIQUID CRYSTAL DISPLAY USING THE LIQUID CRYSTAL COMPOSITION - A liquid crystal composition includes 100 parts by mass of a nematic liquid crystal composition having negative dielectric anisotropy and 0.01 to 3 parts by mass of a polymerizable compound of general formula (I). On being irradiated with an energy ray, such as UV rays, the liquid crystal composition provides an LCD capable of high-speed response without undergoing reduction in reliability (voltage holding ratio). | 12-30-2010 |
20110032468 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition is provided that satisfies at least one of 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 having a negative dielectric anisotropy contains a first component having especially negatively large dielectric, a second component having a large negative dielectric anisotropy and a low minimum temperature, a third component having a high maximum temperature or a small viscosity. The liquid crystal display device contains the liquid crystal composition. | 02-10-2011 |
20110043746 | BENZO[F]CHROME ANY PYRANO[3,2-F]CHROME DERIVATIVES FOR USE IN LIQUID CRYSTAL MEDIA - The present invention relates to benzo[f]chromene and pyrano[3,2-f]-chromene derivatives of the formula I | 02-24-2011 |
20110063564 | LIQUID CRYSTAL COMPOSITE, CELL, DEVICE, AND METHOD THEREOF - The invention provides a liquid crystal (LC) composite, a LC cell, a LC device, and a method thereof. The LC composite comprises (i) a liquid crystal material, and (ii) a copolymer polymerized from LC monomers and non-LC-monomers; and the LC composite is mechanically stressed/sheared. The invention exhibits numerous merits such as high transmittance in visible and IR range, hysteresis free, and a simple fabrication process; and may be utilized in LC device applications such as adaptive optics e.g. beam steering devices and fast tip-tilt wavefront correctors; and general optical applications such as eye wears, compact cameras and compact telescopes. | 03-17-2011 |
20110080551 | POLYMERIZABLE MONOMER AND LIQUID CRYSTAL MATERIAL APPLIED TO DISPLAY PANEL - A polymerizable monomer adopted to a display panel is represented as following chemical formula: | 04-07-2011 |
20110080552 | Composition for liquid crystal film, liquid crystal film using composition, and method of manufacturing liquid crystal film - A composition for a liquid crystal film includes: 100 parts by weight of a vertically aligned liquid crystal mixture; 0.001-20 parts by weight of a chiral dopant; and 50-900 parts by weight of a solvent. | 04-07-2011 |
20110090450 | FOUR-RING LIQUID CRYSTAL COMPOUND HAVING LATERAL FLUORINE, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - The invention provides a liquid crystal compound which has stability to heat, light and so forth, a nematic phase in a wide temperature range, a small viscosity, a large optical anisotropy, and a suitable elastic constant K | 04-21-2011 |
20110096285 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - The subject 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 dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two characteristics. 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. The invention provides a liquid crystal composition having a negative dielectric anisotropy that contains a specific compound having negatively large dielectric anisotropy as the first component, and has a specific two ring compound having a low viscosity as the second component, and provides a liquid crystal display device containing the composition. | 04-28-2011 |
20110109867 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition is provided 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 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 at least two of the characteristics. The crystal liquid display device using the composition is suitable for 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, and can be used for a liquid crystal projector, a liquid crystal television and so forth. | 05-12-2011 |
20110116031 | 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 low 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 has a nematic phase, wherein the first component contains a specific five rings compound having a large optical anisotropy and a large dielectric anisotropy, the second component contains a specific compound having a low viscosity. The liquid crystal display device contains the liquid crystal composition having a nematic phase and the composition thereof. | 05-19-2011 |
20110149226 | 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 suitable optical anisotropy, negatively 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. | 06-23-2011 |
20110149227 | 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 large optical anisotropy, a 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 at least two of the characteristics. The invention 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. | 06-23-2011 |
20110234968 | LIQUID CRYSTALLINE MEDIUM AND LIQUID CRYSTAL DEVICE - The instant invention relates to dielectrically positive nematic media comprising one or more compounds of formula I | 09-29-2011 |
20110255048 | 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. | 10-20-2011 |
20110261311 | POLYMERISABLE COMPOUNDS AND THE USE THEREOF IN LIQUID-CRYSTAL MEDIA AND LIQUID-CRYSTAL DISPLAYS - The present invention relates to polymerisable compounds, to processes and intermediates for the preparation thereof, to the use thereof for optical, electro-optical and electronic purposes, in particular in liquid-crystal (LC) media and LC displays having a polymer-stabilised blue phase, and in LC media for LC displays of the PS or PSA (“polymer sustained” or “polymer sustained alignment”) type, and to LC media and LC displays comprising these compounds. | 10-27-2011 |
20120044453 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal composition that satisfies at least one of characteristics such as high maximum temperature of a nematic phase, low minimum temperature of a nematic phase, small viscosity, large optical anisotropy, large dielectric anisotropy, large specific resistance, high stability to ultraviolet light and high stability to heat, or that is suitably balanced between at least two of the characteristics; and provided is an AM device. The liquid crystal composition having a nematic phase includes a three-ring compound having a specific difluoromethyleneoxy bond having large dielectric anisotropy as a first component, a specific three-ring compound having large dielectric anisotropy as a second component, a specific four-ring compound having high maximum temperature as a third component, and a specific two-ring compound having high maximum temperature and small viscosity as a fourth component, and the liquid crystal display device contains this composition. | 02-23-2012 |
20120105792 | LIQUID CRYSTAL COMPOUND AND PROCESS FOR PRODUCTION THEREOF, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL ELECTROOPTICAL ELEMENT - Disclosed is a liquid crystal composition suitable for producing a liquid crystal electrooptical element which can be driven at a low voltage in a wide temperature range and has high display quality. Also disclosed is a liquid crystal electrooptical element produced by using the liquid crystal composition. Further disclosed is a liquid crystal compound represented by the formula [R | 05-03-2012 |
20120229751 | LIQUID CRYSTAL DISPLAY DEVICE - The invention is to provide an AM device containing 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 and heat, or having a suitable balance regarding at least two of the characteristics, and the AM device having a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth; wherein a liquid crystal display device contains a liquid crystal composition having a positive dielectric anisotropy and containing a specific compound having a large positive dielectric anisotropy as a first component and a specific compound having a small viscosity as a second component. | 09-13-2012 |
20120262661 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - A liquid crystal composition according to an exemplary embodiment of the present invention includes a liquid crystal compound represented by a below chemical formula (I) at about 10 wt % to about 15 wt %; and | 10-18-2012 |
20130027654 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - To provide a liquid crystal composition satisfying at least one characteristic such as a high maximum temperature of a nematic phase, a low minimum temperature thereof, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and heat, or a liquid crystal composition having a suitable balance regarding at least two characteristics, and an AM device having a short response time, a large voltage holding ratio, a large contrast ratio and a long service life; a liquid crystal composition contains a specific compound having a polymerizable group as a first component, and may contain a specific compound having a large negative dielectric anisotropy and a low minimum temperature as a second component or a specific compound having a small viscosity or a large maximum temperature as a third component, and a liquid crystal display device contains the composition. | 01-31-2013 |
20130063693 | CHIRAL DOPANTS, LIQUID CRYSTAL MATRIX AND MANUFACTURING METHOD THEREOF AND LIQUID CRYSTAL DISPLAY - An embodiment of the invention provides a chiral dopant having the following formula: | 03-14-2013 |
20130083283 | BLUE PHASE LIQUID CRYSTAL AND MANUFACTURING METHOD THEREOF - A manufacturing method of blue phase liquid crystal (BPLC), comprising steps of: a temperature control step which controls a temperature of a liquid crystal (LC) mixture within a range of a coexistence temperature of the blue phase and the isotropic phase; a temperature descending step which descends the temperature of the LC mixture to an operation temperature of the blue phase, wherein the operation temperature of the blue phase is higher than the phase transition temperature of the blue phase and the lower temperature phase; and a repeating step which repeats the temperature control step and the temperature descending step. | 04-04-2013 |
20130100394 | LIQUID CRYSTAL COMPOUND, AND LIQUID CRYSTAL DISPLAY - An embodiment of the invention provides a liquid crystal compound having the following formula: | 04-25-2013 |
20130135574 | LIQUID CRYSTAL COMPOUNDS, AND LIQUID CRYSTAL DISPLAYS AND PHOTOCHROMIC MATERIALS COMPRISING THE LIQUID CRYSTAL COMPOUNDS - A liquid crystal compound of Formula (I) is provided. | 05-30-2013 |
20130155368 | LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL ELEMENT, AND LIQUID CRYSTAL DISPLAY DEVICE - A novel liquid crystal composition that can be used for a variety of liquid crystal devices is provided. A stable liquid crystal element that is driven at low voltage and that withstands physical impact is provided with the use of the novel liquid crystal composition. A highly reliable liquid crystal display device with low power consumption and high display quality is provided with the use of the liquid crystal element. The liquid crystal composition exhibits a blue phase and contains nematic liquid crystal, 1,4:3,6-dianhydro-2,5-bis[4-(n-hexyl-1-oxy)benzoic acid]sorbitol (abbreviation: ISO-(6OBA) | 06-20-2013 |
20130235320 | LIQUID CRYSTAL COMPOUND AND LIQUID CRYSTAL DISPLAY - An embodiment of the disclosure provides a liquid crystal compound having the following formula: | 09-12-2013 |
20130258267 | METHOD FOR FABRICATING MESOPOROUS OXIDE HOLLOW PARTICLES AND THE LIQUID CRYSTAL DEVICE COMPRISING THE SAME - The disclosure provides a method for fabricating a mesoporous oxide hollow particle and a liquid crystal device including the same. The liquid crystal device includes: a first substrate; a second substrate; and a liquid crystal composition formed between the first substrate and the second substrate, wherein the liquid crystal composition includes a liquid crystal molecule and a mesoporous oxide hollow particle. | 10-03-2013 |
20130271718 | DISPLAY DEVICE - A display device including a first substrate, a second substrate, and a liquid crystal layer is provided. The liquid crystal layer is disposed between the first substrate and the second substrate. The liquid crystal layer includes a liquid crystal mixture and a nano carbon material. The nano carbon material is distributed in the liquid crystal mixture. | 10-17-2013 |
20130271719 | TRICYCLIC COMPOUND HAVING A PLURALITY OF CF2O BONDING GROUPS, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL DISPLAY DEVICE - To provide a liquid crystal compound having a large positive value of dielectric anisotropy and a small viscosity. The compound is represented by formula (1): | 10-17-2013 |
20130300996 | NOVEL LIQUID CRYSTAL DISPLAY DEVICE AND USEFUL LIQUID CRYSTAL COMPOSITION - Provided is a liquid crystal display device of the VAIPS mode which uses a liquid crystal material having positive dielectric anisotropy and which has a fast response speed and excellent viewing angle characteristics without having a special cell structure such as pixel partitioning. Disclosed is a liquid crystal display device including: a plurality of independently controllable pixels; and a liquid crystal composition layer having positive dielectric anisotropy, wherein electrodes for controlling the pixels are provided on at least one of first and second substrates that interpose the liquid crystal phase, the long axis of the liquid crystal molecules of the liquid crystal composition layer is aligned substantially perpendicularly to the substrate surface or is in a hybrid alignment, the liquid crystal composition contains one kind or two or more kinds of compounds selected from a specific liquid crystal compound group, and the transmittance of the light that penetrates through the liquid crystal composition layer is modulated at the electric field generated by the electrode structure. | 11-14-2013 |
20130329179 | FERROELECTRIC GLASS NANOPARTICLES, LIQUID-CRYSTAL COMPOSITIONS, AND ELECTRONIC DEVICES CONTAINING THE NANOPARTICLES - Methods for preparing ferroelectric nanoparticles, liquid crystal compositions containing the ferroelectric nanoparticles, and electronic devices utilizing the ferroelectric nanoparticles are described. The methods of preparing the ferroelectric nanoparticles may include size-reducing a starting material comprising particles of a bulk intrinsically nonferroelectric glass to form glass nanoparticles having an average size of less than 20 nm, the glass nanoparticles comprising ferroelectric nanoparticles. Exemplary bulk intrinsically nonferroelectric glasses may include borosilicate glasses, tellurite glasses, bismuthate glasses, gallate glasses, and mixtures thereof, for example. The size reduction may be accomplished using ball milling with a solvent combination such as n-heptane and oleic acid. Liquid crystal compositions may include the ferroelectric nanoparticles in combination with a liquid crystal. Exemplary electronic devices include liquid crystal displays, in which a liquid crystal composition containing the ferroelectric nanoparticles is disposed adjacent a window material. | 12-12-2013 |
20130335693 | 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 | 12-19-2013 |
20140085589 | 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 a 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 a 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 |
20140085590 | 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 a 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 a 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 |
20140111759 | Composite Comprising a Polymer and a Blue Phase Liquid Crystal, a Method for Preparing the Composite, and a Liquid Crystal Display Device Comprising the Composite - The present invention relates to a composite comprising a polymer and a blue phase liquid crystal (BPLC). The polymer is a crosslinked and non-liquid crystalline polymer, the BPLC is dispersed in said polymer, and the ratio of the polymer to the BPLC by weight (W | 04-24-2014 |
20140118679 | Liquid-crystal compound with negative dielectric anisotropy, liquid-crystal display, and optoelectronic device - Disclosed is a liquid-crystal compound with negative dielectric anisotropy, having the chemical formula: | 05-01-2014 |
20140168595 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME - A liquid crystal display device may include a liquid crystal and a coloring material including at least one of yellow, magenta, and cyan coloring materials. The coloring material may have high solubility and dispersion stability on the liquid crystal, and thus, it can be used for a liquid crystal layer. The liquid crystal display device may include a partition delimiting pixels, and the liquid crystal layer may be provided in the pixels. The pixels may include first, second, and third pixels. The coloring materials in the first, second, and third liquid crystal layers may be adjusted, in terms of kind, composition, and weight percentage, to control colors to be displayed by the first, second, and third pixels. | 06-19-2014 |
20140204329 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A liquid crystal display device includes a first substrate, a second substrate facing the first substrate, and a liquid crystal layer between the first and second substrates. The liquid crystal layer includes a liquid crystal composition including an alkenyl liquid crystal and an antioxidant component including at least one selected from an antioxidant and a derivative thereof. In an embodiment, the antioxidant component is present in an amount of greater than 0 ppm and equal to or less than about 10,000 ppm relative to the total weight of the liquid crystal composition. | 07-24-2014 |
20150322345 | BIREFRINGENT RM LENS - The invention relates to a birefringent RM lens obtainable from a polymerizable liquid crystalline medium consisting of
| 11-12-2015 |
20160108318 | LIQUID CRYSTALLINE MEDIUM AND LIQUID CRYSTAL DEVICE - The present invention relates a liquid crystalline medium comprising one or more liquid crystalline compounds, one or more dichroic dyes, and one or more compounds capable of promoting or inducing homeotropic alignment to the adjacent liquid crystal medium at a given temperature selected from the group of compounds (A), having a three-dimensional structure, a molecular weight of greater than 450 Da, and one or more anchor groups, or the group of organic compounds (B) having one or more ring groups, and one or more anchor groups. | 04-21-2016 |
20160187700 | Manufacturing methods to shear liquid crystal - As a liquid crystal display is assembled, the compressive force of a member or multiple members shears the liquid crystal layer, causing the liquid crystal layer to assume a more uniform, more ordered texture. This novel shearing, coupled with optimal temperature, optimal forms of electromagnetic radiation, and novel combinations of materials synergistically produces a display that is driven at less than 5 volts. | 06-30-2016 |
20170235166 | LIQUID CRYSTAL DISPLAY DEVICE | 08-17-2017 |