Abstract: Subject The subject is to provide a liquid crystal composition that satisfies at least one characteristic among 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 or more characteristics. The other subject is to provide an AM device that has a short response time, a high voltage holding ratio, a high contrast ratio, a long service life and so forth.

Abstract: Provided is a liquid crystalline polymer composition comprising: 100 parts by weight of a LCP, and equal to or more than 0.01 and less than 1 part by weight of a low temperature softening inorganic glass filler whose softening temperature is equal to or less than 550° C. The composition can provide a molded article which cause no or less blister formation upon reflow soldering using a lead-free solder.

Abstract: A photovoltaic cell has two electrodes and a hole injection layer. A liquid crystal material and a plurality of particles can be disposed between the electrodes.

Abstract: The invention provides a liquid crystal (LC) composition, a LC cell thereof, and a LC device thereof. The LC composition comprises (i) a mixture of two or more nematic liquid crystals, and (ii) at least one chiral dopant. The mixture of the liquid crystals can exist in a blue phase within a temperature range of from about 12-60° C. such as 21-28° C. The LC device can be a blue phase mode liquid crystal display (HPLCD) based on such a room-temperature blue phase LC. The HPLCD requires no alignment, and it exhibits merits such as a fast switching time (e.g. sub-millisecond), a low switching voltage and a large field-induced birefringence, among others.

Abstract: The subject is to provide a liquid crystal composition that satisfies at least one characteristic among characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a low 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 or more characteristics. The subject is to provide an AM device that has a short response time, a high voltage holding ratio, a high 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 a negatively large dielectric anisotropy as a first component, and a specific two-ring compound having a low viscosity as a second component, and provides a liquid crystal display device containing the composition.

Abstract: The present invention provides a liquid crystal optical device showing small haze value in transparent state and being excellent in productivity, a process for producing such a device, and a liquid crystal composition for producing such a device. The liquid crystal composition of the present invention is a liquid crystal composition containing a nematic liquid crystal and at least two types of optically active materials having different optical rotatory directions, wherein one of the optically active materials having different optical rotatory directions is a non-curable compound, the other one of the optically active materials is a curable compound, and the liquid crystal composition as a whole shows a nematic phase.

Abstract: The new organic electroluminescent display device has a carrier-transporting layer and/or an organic luminous layer composed of a nematic liquid crystal or a liquid crystal dispersing a carrier-transporting low-molecule therein. When the organic luminous layer is to be bestowed with faculty as a liquid crystal, it is made of a nematic liquid crystal. Both the carrier-transporting layer and the organic luminous layer may be bestowed with faculty as a liquid crystal. Since the liquid crystal is incorporated in the carrier-transporting layer and/or the organic luminous layer, the display device can be driven as a liquid crystal display device in a dark place by charging with a voltage lower than a light emission initiating potential. Of course, it is driven as an electroluminescent display device when it is charged with a voltage higher than the light emission initiating potential. Use of an electroluminescent liquid crystal as a organic luminous layer enables omission of a carrier-transporting layer.

Abstract: Subject The invention is to provide a liquid crystal composition that satisfies at least one characteristic among 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. Means for Solving the Subject A liquid crystal composition having a nematic phase and containing a specific compound having a large optical anisotropy and a large dielectric anisotropy as a first component, and a specific compound having a small viscosity as a second component, and a liquid crystal display device contains this composition.

Abstract: A liquid crystal display device includes: a liquid crystal cell including liquid crystal operating in a twisted nematic mode; a first quartz plate optically compensating for the liquid crystal cell; a second quartz plate optically compensating for the liquid crystal cell; and a pair of polarizing elements disposed with the liquid crystal cell, the first quartz plate, and the second quartz plate interposed therebetween. Here, the thickness d [?m] of the first and second quartz plates, the polar angle ? [°] of the optical axis of the first and second quartz plates, and the cell gap CG [?m] of the liquid crystal cell satisfy the following conditional expressions: 0.7(16 cos2 ??23.6 cos ?+14.6)(1+0.32(CG?3.0))<d??(1) d<1.3(16 cos2 ??23.6 cos ?+14.6))(1+0.32(CG?3.0))??(2).

Abstract: A liquid crystal display device capable of obtaining good display characteristics and good response characteristics is provided. A liquid crystal material being a paraelectric material, the liquid crystal material includes: a liquid crystal molecule exhibiting a nematic liquid crystal phase at room temperature and including one or more cyclic structures; and a bent-shaped molecule including cyclic structures which are large in number compared to the cyclic structures included in the liquid crystal molecule.

Abstract: An in-plane switching mode liquid crystal display device includes upper and lower substrates, first and second ferroelectric liquid crystal layers, a nematic system crystal layer, and first and second electrodes. The electrodes and liquid crystal layers are located between the substrates, with the nematic liquid crystal layer between the ferroelectric liquid crystal layers. The ferroelectric liquid crystal layers have different spontaneous polarization directions. An electric field is applied to the liquid crystal layers using the electrodes. The ferroelectric liquid crystal layers react to different electric field to conduct an in-plane driving of liquid crystal molecules in the nematic liquid crystal layer.

Abstract: A liquid crystal display (LCD) having a liquid crystal layer is provided. In one embodiment, the liquid crystal layer includes a nematic liquid crystal material having liquid crystal molecules in an untwisted state. A chiral dopant is dispersed within the liquid crystal layer and configured to bias the liquid crystal molecules toward a twisted state. Furthermore, a polymer network is disposed among the liquid crystal molecules and configured to bias the liquid crystal molecules toward the untwisted state. Various additional devices and methods are also provided.

Abstract: The present invention provides a nematic liquid crystal composition suitable for a bistable nematic liquid crystal display. A bistable nematic liquid crystal display having a wide nematic phase temperature range and operating temperature range can be obtained by using a nematic liquid crystal composition comprising at least 20% by weight of a specific liquid crystal compound (A) having a polar group and 5 to 50% by weight of a specific liquid crystal compound (B) not having a polar group, along with comprising, in the compound (B), at least 3% by weight of a specific liquid crystal compound having a alkenyl group.

Abstract: The invention relates to a liquid crystal display utilizing a vertically aligned state of liquid crystal molecules when no voltage is applied and to a method of manufacturing the same. The invention is aimed at providing a liquid crystal display and a method of manufacturing the same in which the existing step for forming vertical alignment films can be omitted to achieve a cost reduction. The liquid crystal display includes a monofunctional monomer having a structure expressed by X-R (where X represents an acrylate group or a methacrylate group, and R represents an organic group having a steroid skeleton). A liquid crystal material is sandwiched between substrates which is then irradiated with ultraviolet rays to cure the monofunctional monomer, thereby forming a polymer film at an interface of a substrate. The monofunctional monomer has a hydrophobic skeleton such as an alkyl chain and a photoreactive group on one side of the skeleton.

Abstract: A liquid crystal display element of the present invention is arranged so that a material layer having dielectric anisotropy includes a chiral material and a liquid crystal material with a nematic liquid crystal phase, and 0.25?d/p?0.50 is satisfied assuming that the thickness of the material layer is d and the chiral pitch length of the liquid crystal material is p.

Abstract: The present invention provides a dual frequency addressable smectic A liquid crystal composition having a crossover frequency, wherein the smectic A phase is induced by mixing of at least a first nematic liquid crystal compound or composition and a second nematic liquid crystal compound or composition.

Abstract: At least one cholesteric liquid crystal composition is mixed with at least one first nematic liquid crystal compound or composition, thereby exhibiting a TGBA phase at room temperature. The first nematic liquid crystal compound or composition preferably includes a compound having a cyano group, a halogen atom, a nitro group, a perfluoroalkoxy group or a perfluoroalkyl group at the terminal thereof. The cholesteric liquid crystal composition preferably contains a second nematic liquid crystal compound or composition and a chiral reagent.

Abstract: The invention provides a display method, and a display medium and a display device using the method thereof. The display method displays an image through a process for depositing fine metal particles, in which fine metal particles are deposited on a solid surface from an electrolyte by giving one stimulus to the electrolyte, wherein the particle size distribution of the fine metal particles that are deposited on the specific area of the solid surface, has one or more maximum peaks, and at least one of the maximum peaks satisfies the following formula (1): Pp(±30)/Pp(T)?0.5??(1) where, Pp(T) means the height of the highest peak among the maximum peaks, and Pp(±30) means the height of the distribution curve at the particle size that is ±30% from the particle size of the fine metal particles at the height of the highest peak.

Abstract: A liquid crystal optical modulation element to modulate a laser beam having a wavelength of at most 500 nm, which contains a layer of a liquid crystal composition sandwiched between a pair of transparent substrates facing each other, wherein each transparent substrate has an electrode and an alignment film having a polyimide on the surface which faces the other transparent substrate, the alignment film and the liquid crystal composition are in contact with each other, and the liquid crystal composition contains at least one antioxidant.

Abstract: A reverse mode liquid crystal display device, including: a first substantially transparent substrate having an electrically conductive material associated therewith; a second substrate having an electrically conductive material associated therewith; an insulating layer associated with at least one of the first and second substrates; and a liquid crystal medium contained within a chamber positioned between the first and second substrates which includes a macrocyclic ether and/or a borane; and a nematic, negative dielectric anisotropic liquid crystal mixture.

Abstract: The invention relates to an electro-optic light control element, electro-optic displays containing said elements and display systems such as TV screens and computer monitors. The inventive light control elements contain a mesogenic control medium which is present in the isotropic phase during operation of the light control elements and arc characterized both by good contrast and low angular field dependence and particularly by very short switching, times. The invention also relates to the mesogenic control media used in the electro-optic light control elements.

Abstract: A liquid crystal composition is described, which satisfies at least one characteristic among 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, high stability to heat and so on, or is properly balanced regarding at least two of the characteristics. To provide an AM device having short response time, large voltage holding ratio, large contrast ratio, long service life and so forth, the liquid crystal composition has a nematic phase and contains a specific three-ring compound having a large optical anisotropy as a first component, a specific four-ring compound having a large dielectric anisotropy as a second component, and a specific two-ring compound having a particularly small viscosity as a third component. A liquid crystal display device containing the liquid crystal composition is also described.

Abstract: The present invention provides liquid crystal devices comprised of a composite of an internal polymer network localized on the substrate surfaces and short-pitch dual-frequency switchable cholesteric liquid crystal that operate in two different modes including in-plane switching (amplitude modulation) and out-of-plane switching (phase modulation). The invention further provides a method of making a liquid crystal device demonstrating uniform lying helical axis where the device comprises a composite of an internal spatially ordered polymer network localized by in-situ photo-polymerization at the surface of the substrate. The invention can be used for flat panel displays, as well as spatial light modulators for applications such as optical waveguides, optical beam scanners, computer-generated holograms, and adaptive optics.

Abstract: A light-modulating liquid-crystal element comprising two substrates which each has an electrode layer and at least either of which is transparent and a light-modulating layer supported between these substrates, wherein the light-modulating layer comprises a nematic liquid-crystal material and a transparent solid substance, and the nematic liquid-crystal material comprises a compound represented by the following general formula (I) and/or a compound represented by the following general formula (II) and further contains a compound represented by the following general formula (III), the nematic liquid-crystal material being dispersed as independent fine droplets in the transparent solid substance, the fine droplets having an average particle diameter of 0.1-50 ?m. (I) (III) (II) (In the formulae, R1 to R3 each independently represents C1-10 alkyl, etc.; A1 and A2 each independently represents trans-1,4-cyclohexylene or 1,4-phenylene; and X1 and X2 each independently represents cyano, C1-10 alkyl, etc.

Abstract: Self-compensating, quasi-homeotropic liquid crystal devices (100, 200, 300, 400) overcome the contrast reducing effects of smaller pretilt angles. The devices exhibit extremely high contrast ratio but at the same time suppress fringe field-induced disclination lines in high pixel density and small pixel size quasi-homeotropic displays. The surface pretilt (520, 540) and cell twist (570) angles are set at values that, in combination, contribute to establishing a cuspate singularity in the contrast ratio for normally incident light in response to a drive signal switching the liquid crystal device to the OFF director field state that provides nearly 0% optical efficiency. The OFF director field state corresponds to a subthreshold drive level that provides for the liquid crystal device self-compensation for in plane optical retardation.

Abstract: A color liquid crystal display device includes a pair of oppositely disposed substrates each of which is provided with an electrode and has been subjected to homeotropic alignment treatment, and chiral nematic liquid crystal disposed between the pair of oppositely disposed substrates. The chiral nematic liquid crystal is capable of causing birefringence leading to a change in brightness and a change in hue depending on a voltage applied between the electrodes. The liquid crystal is twistedly aligned under electric field application to change a twisted angle, so that a fluctuation in birefringence with temperature is compensated.

Abstract: The present invention relates to nematic liquid-crystal media of negative dielectric anisotropy which have a peak time (tmax.) of 0.25 ms or less, which is determined as described in the disclosure, and which preferably have a value of the quotient of the peak time and the square of the birefringence (tmax/?n2) of 22 ms or less, and to the use of these liquid-crystal media in liquid-crystal displays, and to these liquid-crystal displays.

Abstract: The present invention relates to liquid-crystalline mixtures and to novel compounds therefor, and to the use thereof in nematic liquid-crystal displays having positive dielectric anisotropy, such as, for example, STN or IPS displays, which are characterised in that they comprise one or more compounds of the formula (I) in which R1, A1, A2, Z1, Z2, n are as defined in Claim (1).

Abstract: A liquid crystal display device capable of obtaining good display characteristics and good response characteristics is provided. A liquid crystal material being a paraelectric material, the liquid crystal material includes: a liquid crystal molecule exhibiting a nematic liquid crystal phase at room temperature and including one or more cyclic structures; and a bent-shaped molecule including cyclic structures which are large in number compared to the cyclic structures included in the liquid crystal molecule.

Abstract: Provided are multilayer laminates having one or more layers comprising twisted nematic liquid crystals and one or more layers of a polymeric sheet. The twisted nematic liquid crystal layers reflect infrared radiation. Thus, the multilayer laminates are useful to reduce the transmission of infrared energy. For example, in some embodiments the multilayer laminates are useful as windows to reduce energy consumption necessary to cool the interior of a structure such as an automobile or building. Preferably, the multilayer laminates retain one or more of the beneficial properties of safety glass. The multilayer laminates may include additional layers such as infrared absorbing layers, half wave plates, and the like, to minimize the transmission of infrared energy. The multilayer laminates may also include further additional layers such as polymeric films, polymeric sheets, rigid sheets, and the like.

Abstract: To provide a liquid crystal optical device showing a low haze value in the transparent state, further an excellent stability in the transparent-scattering characteristics and productivity, and to provide a production process thereof. The liquid crystal optical device in the embodiment 1 of the present invention is a liquid crystal optical device 1 comprising a pair of insulating substrates 11 and 21, of which at least one is transparent, electrodes 12 and 22 formed on respective inner faces of the substrates, and a composite 50 comprising nematic liquid crystal and a cured material, interposed between the inner faces of the substrates.

Abstract: The present invention provides a liquid crystal optical device showing small haze value in transparent state and being excellent in productivity, a process for producing such a device, and a liquid crystal composition for producing such a device. The liquid crystal composition of the present invention is a liquid crystal composition containing a nematic liquid crystal and at least two types of optically active materials having different optical rotatory directions, wherein one of the optically active materials having different optical rotatory directions is a non-curable compound, the other one of the optically active materials is a curable compound, and the liquid crystal composition as a whole shows a nematic phase.

Abstract: 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 tricyclic compound having a large optical anisotropy as the first component and a specific tetracyclic compound having a large dielectric anisotropy as the second component, and may contain a specific bicyclic compound having a particularly small viscosity as the third component. The liquid crystal composition has a nematic phase.

Abstract: Liquid crystal compounds of Formula (I) for use in liquid crystal devices contains a dioxatetralin unit within the mesogenic liquid crystal core. The dioxatetralin unit may be located at any position within the mesogenic core of the liquid crystal compound, either at the terminus of the liquid crystal core or alternatively substantially in the middle of the liquid crystal core. The compounds of the invention exhibit fast switching and may be used in liquid crystal mixtures for particular use in imaging or display media, such as monitors or televisions.

Abstract: The present invention relates to a liquid crystal display panel and a fabrication method for a liquid crystal display apparatus and makes it possible to assure high productivity when compared with related art apparatus and methods and assure sufficient anchoring strength and picture quality. In the present invention, the shape of a face on which an orientation film 13 is produced is set as a groove shape wherein a groove M extending in a predetermined direction is formed repetitively in a perpendicular direction to provide orientation ability to the orientation film 13.

Abstract: The invention relates to a matrix liquid crystal display containing integrated non-linear elements and a liquid crystal mixture which has a particularly high resistivity.

Abstract: A liquid crystal display device, including a twisted nematic liquid crystal layer between first and second substrates, a first polarizer disposed at the first substrate, and a second polarizer disposed at the second substrate, wherein an optical transmittance axis of one of the first and second polarizers is within a liquid crystal twist angle range of the twisted nematic liquid crystal layer.

Abstract: The invention relates to a liquid-crystalline medium, characterised in that it comprises one or more compounds of the formula I in which R1, R2 and X1-12 have the meanings indicated in Claim 1.

Abstract: A projection-type 3-D image display device includes a single display element, a polarization conversion switch, a first image shifter, a second image shifter, a projection lens unit, a mirrored light tunnel, and a screen unit. The screen unit includes an image separation unit. The single display element emits light polarized in a first polarization direction according to an input image. The polarization conversion switch time-sequentially converts the first polarization direction of the light emitted by the display element into a second polarization direction. The first image shifter transmits the light having the first polarization direction to form a first image and refracts the light having the second polarization direction to form a second image. The second image shifter faces the first image shifter and is arranged apart from the first image shifter by a predetermined interval. The projection lens unit enlarges and projects the first and second images.

Abstract: A method of using a liquid crystal composition in a bistable liquid crystal device having a weak zenithal anchoring comprising at least 40% by weight of compounds with strong molecular polarisability and strong dipole moment.

Abstract: The present invention relates to a high-speed high-temperature nematic liquid crystal composition and a liquid crystal display comprising the same, particularly to a high-speed high-temperature nematic liquid crystal composition which comprises a nematic liquid crystal compound having an isothionate group on the end aromatic ring and having one or more kinds of fluorine atoms, and thus satisfies a high response speed property and has a high phase transition temperature of liquid crystal, a low operating voltage, and a broad nematic phase temperature range, and a liquid crystal cell comprising the same, and a liquid crystal display using the same.

Abstract: The present invention provides a dual frequency addressable smectic A liquid crystal composition having a crossover frequency, wherein the smectic A phase is induced by mixing of at least a first nematic liquid crystal compound or composition and a second nematic liquid crystal compound or composition.

Abstract: This invention concerns a process for addressing a bistable liquid crystal material screen, characterized in that it comprises at least the step consisting of applying, to the screen column electrodes, an electrical signal whose characteristics are adapted to reduce the mean quadratic voltage of the parasite pixel pulses, in order to reduce the parasitic addressing optical effects.

Abstract: Nematic liquid crystal mixtures with weak zenithal anchoring energy for bistable display devices, comprising at least 40% by weight of compounds with strong molecular polarisability and strong dipole moment.

Abstract: A liquid crystal device showing performances, such as good viewing angle characteristic, high contrast, high-speed responsiveness, high resolution and high productivity is given by forming a layer of discotic liquid crystal placed in an edge-on and uniaxial alignment state. In the liquid crystal layer, the discotic liquid crystal may preferably assume a nematic discotic layer and co-present with a rod-shaped liquid crystal in mutually separated phases.

Abstract: A liquid crystal/cured composite layer is formed by sandwiching a mixture of a liquid crystal with an uncured curable compound i.e. a curable compound represented by a structure of an acryloyl group-(OR1)n—O-mesogen structural portion-O—(R2O)m-acryloyl group structure (wherein each of R1 and R2 is a C2-6 alkylene group, and each of n and m is from 1 to 10), between a pair of substrates provided with transparent electrodes, and curing the curable compound.

Abstract: A liquid crystal display device includes a liquid crystal panel, a polarizer plate that is disposed on an observer side, relative to the liquid crystal panel, a polarizer plate that is disposed to be opposed to the polarizer plate, with the liquid crystal panel interposed, and an optical film that is disposed between the polarizer plate and the liquid crystal panel and between the polarizer plate and the liquid crystal panel, thereby to increase a viewing angle of an image that is displayed by the liquid crystal panel, wherein a twist angle of the liquid crystal molecules sealed in the liquid crystal panel is greater than 90° and not greater than 96°, a retardation ?nd of the liquid crystal panel is between 400 nanometers (nm) and 430 nm, and a retardation ?nd of the optical film is between 110 nm and 120 nm.

Abstract: When a transition voltage, which is higher than a display voltage for image display, is applied to liquid crystal, the liquid crystal can transition to a bend alignment. Therefore, by applying a transition voltage to liquid crystal prior to image display period only for a transition time which depends on a transition voltage so as to cause a bend transition in the liquid crystal, an OCB mode LCD with a high speed response can be obtained. An interval d between pixel regions is set to be less than, for example, a transition distance of 5 ?m, so that a bend transition expands over inter-pixel regions to thereby achieve a bend transition all over the display region. In an active matrix type LCD, a electrical field is caused to be generated between a common electrode and data lines or gate lines disposed between pixel electrodes due to application of a transition voltage to the common electrode, thereby obtaining a bent transition over the entire surface of the display screen.

Abstract: The invention provides methods of forming a cholesteric liquid crystal layer that include forming a cholesteric liquid crystal composition, depositing the cholesteric liquid crystal composition onto a substrate, and initially drying the cholesteric liquid crystal composition at a temperature at or below about 90° C. so that the cholesteric liquid crystal composition has at least 80% solids remaining. The invention also provides methods of forming a cholesteric liquid crystal layer that include forming a cholesteric liquid crystal composition, depositing the cholesteric liquid crystal composition onto a substrate, and initially drying the cholesteric liquid crystal composition at a temperature at or below about 90° C., wherein the drying is accomplished using a technique that provides little or no airflow. The invention further provides a cholesteric liquid crystal composition that includes at least one cholesteric liquid crystal precursor and 1,3-dioxolane.

Abstract: A liquid-crystalline mediums which contain one or more compounds of the formula A and at least one compound of the formula B wherein compounds of formula A contain at least one ring selected from and in which Ra, Rb, ring A and ring B, Y, Z1, Z2, a, L1, L2, L3, L4, L5, L6, L7, L8 and L9 are as defined herein, are suitable for use in twisted nematic (TN) and supertwisted nematic (STN) liquid-crystal displays. Such displays have very short response times and good steepnesses and angle dependencies.