Jnc Corporation

Jnc Petrochemical Corporation

Chisso Corporation

Sharp Kabushiki Kaisha Corporation

Chisso Petrochemical Corporation

Sony Corporation

Other

Chiba University

Eiji Okabe

Shinichi Saito

Takanori Mori

Yoshitaka Tomi

Ryushi Shundo

Hideo Saito

Yuko Katano

Kazushi Shiren

Takashi Kaneko

Mitsuhiro Koden

Mayumi Tanabe

Hitoshi Takeda

Makoto Shiomi

Makoto Kikuchi

Tadaaki Isozaki

Katsuyuki Murashiro

Teiichiro Nishimura

Akira Sakaigawa

Masatoshi Fukushima

Hitoshi Tobata

Motonari Matsuki

Yoichi Uriu

Hitoshi Yamamoto

Masayuki Saito

Tomoo Furukawa

Keiichi Nito

Teiyu Sako

Koki Sago

Norio Tamura

Masami Kido

Fumitaka Kondo

Makoto Jisaki

Tatsuo Taniguchi

Mitshuhiro Koden

Sho Hidaka

Yujiro Oguchi

Akihisa Hirokawa

A liquid crystal composition contains at least one compound selected from compounds represented by Formula (1), at least one compound selected from compounds represented by Formula (2), at least one compound selected from compounds represented by Formula (3), and at least one compound selected from compounds represented by Formula (4), and does not contain a compound represented by Formula(S).

Liquid crystal composition and element

A liquid crystal composition as a material used for elements for controlling electromagnetic wave signals in a frequency range of 1 GHz to 10 THz, and an element containing this composition are provided. In the liquid crystal composition, a characteristic balance is excellent, and at least one of characteristics of a wide temperature range of a nematic phase, a large refractive index anisotropy in a frequency region used for control, and a small dielectric loss tangent (tan δ) is satisfied. A liquid crystal composition containing at least one compound selected from compounds represented by Formula (1) is provided: wherein Ris an alkyl having 1 to 12 carbon atoms; ring Ais 1,4-phenylene; L, L, L, L, Y, and Yare each hydrogen; Lis fluorine; and Lis methyl.

Liquid crystal composition, element and liquid crystal lens or a birefringent lens for stereoscopic image display

A liquid crystal composition, which is a material used for an element for electromagnetic wave signal control in a frequency range of 1 GHz to 10 THz, satisfies at least one of characteristics such as a wide temperature range of a nematic phase and a large refractive index anisotropy and a small dielectric loss tangent (tan δ) in the frequency region used for control, and has an excellent balance of characteristics, and an element containing the composition. A liquid crystal composition including: at least one compound selected from the group consisting of compounds represented by Formula (1). For example, Ris C1-12 alkyl; Zis a single bond; L, L, Land Lare hydrogen; Lis methyl; Yand Yare hydrogen; and a and c are respectively 0 or 1, b is 1, and a sum of a, b, and c is 2.

Liquid crystal composition and liquid crystal element

A liquid crystal composition, which is a material used for an element for electromagnetic wave signal control in a frequency range of 1 GHz to 10 THz, satisfies at least one of characteristics such as a wide temperature range of a nematic phase and a large refractive index anisotropy and a small dielectric loss tangent (tan δ) in the frequency region used for control, and has an excellent balance of characteristics, and an element containing the composition. A liquid crystal composition including: at least one compound selected from the group consisting of compounds represented by Formula (1). For example, Ris C1-12 alkyl; Zis a single bond; L, L, Land Lare hydrogen; Lis methyl; Yand Yare hydrogen; and a, b, and c are respectively 0, 1, and 0.

A material used in an element for phase control of an electromagnetic wave signal having a frequency of 1 GHz to 10 THz. A liquid crystal composition containing at least one compound selected from a group of compounds represented by Formula (1), at least one compound selected from a group of compounds represented by Formula (2) and at least one compound selected from a group of compounds represented by Formula (3). In Formulae (1) to (3), R, R, R, R, and Rmay be alkyls having 1 to 12 carbon atoms; a ring Amay be 1,4-phenylene; Z, Z, Z, Z, Z, and Zmay be single bonds; Z, Z, and Zmay be —C≡C— or —C≡C—C≡C—; Lto L, Lto L, and Lto Lmay be hydrogen or fluorine; Yand Ymay be hydrogen or fluorine; and nmay be 0.

Liquid crystal composition and element used for phase control of electromagnetic wave signal

As a material used in an element used for phase control of an electromagnetic wave signal having a frequency of 1 GHz to 10 THz, a liquid crystal composition is required, which has a high upper limit temperature of a nematic phase, a low lower limit temperature of a nematic phase, large dielectric anisotropy and a small tan &#x3b4; in a frequency region where the phase control of an electromagnetic wave signal is performed, and stability against heat, and which has an excellent balance of the characteristics. A liquid crystal composition which is used in an element for phase control of an electromagnetic wave signal having any frequency from 1 GHz to 10 THz, the liquid crystal composition containing at least one compound selected from compounds represented by Formula (1) as a first component. 

Liquid crystal composition used in element for phase control of electromagnetic wave signal

There is provided a liquid crystal composition which has favorable characteristics and excellent characteristic balance as a material for an element used for phase control of an electromagnetic wave signal with a frequency of 1 MHz to 400 THz. A liquid crystal composition which contains at least one compound selected from the group consisting of compounds represented by Formula (1), and is used for phase control of an electromagnetic wave signal with a frequency of 1 MHz to 400 THz: 

Liquid crystal composition used for phase control of electromagnetic wave signal

Provided are a liquid-crystal-medium having stability to heat, light and so forth, a wide liquid-crystal-phase temperature-range and significantly large dielectric-anisotropy and developing an optically isotropic liquid-crystal-phase; and various optical-devices used in a wide temperature-range, having short response-time, a large contrast-ratio and low drive-voltage and suppressing decrease in an effective dielectric-constant in a high-frequency range. A Liquid-crystal composition contains achiral-component T containing at least one compound selected from a first component represented by formula (1) and at least one compound selected from a second component represented by formula (2) or (3) and a chiral-agent to develop optically-isotropic liquid-crystal-phase: In formula (1), R: alkyl, ring A: 1,4-cyclohexylene, ring B: 1,4-phenylene, Lto L: fluorine, Y: fluorine, n: 1 or 2, R: alkyl, Zand Z: single-bond or &#x2014;CFO&#x2014;, Lto L: fluorine, Y: fluorine, R: alkyl, Zand Z: single-bond or &#x2014;CFO&#x2014;, Lto L: fluorine, Y: fluorine, for example.

Liquid crystal medium, optical device and liquid crystal compound

Shown is a method for producing a liquid crystal capsule having a particle diameter of 30 to 150 nanometers, and a method for producing a liquid crystal capsule without using a homogenizer. The disclosure concerns a method for producing a liquid crystal capsule, including a step of preparing an emulsion by performing phase inversion emulsification of a mixed material obtained by mixing a liquid crystal composition, a monomer, a surfactant, and a polymerization initiator; and a step of producing a liquid crystal capsule by applying a coacervation method to the emulsion. The disclosure also concerns a liquid crystal capsule having a liquid crystal composition, a surfactant and a capsule wall, wherein the capsule wall has a closed curved shape, the liquid crystal composition and a hydrophobic moiety of the surfactant are arranged inside the capsule wall, and a hydrophilic moiety of the surfactant is arranged outside the capsule wall.

Liquid crystal capsule and method for producing the same

Provided is a liquid crystal composition satisfying at least one or having suitable balance regarding at least two of characteristics such as high maximum or low minimum temperature of a nematic phase, large optical anisotropy, large positive dielectric anisotropy and high stability to ultraviolet light, and a liquid crystal display device including such a composition, particularly an encapsulated liquid crystal display device, and a liquid crystal display device serving as a constituent of 3D lenses. The liquid crystal composition contains a specific compound having large optical anisotropy as a first component, and a specific compound having large optical anisotropy and large positive dielectric anisotropy as a second component; a specific compound having large positive dielectric anisotropy as a third component; and a specific compound having large optical anisotropy and further having high maximum or low minimum temperature as a fourth component, and the liquid crystal display device includes the composition.

Liquid crystal composition and liquid crystal display device

Shown is a liquid crystal composition satisfying at least one or having suitable balance regarding at least two of characteristics such as high maximum or low minimum temperature of a nematic phase, large optical anisotropy, large positive dielectric anisotropy and high stability to ultraviolet light, a liquid crystal display device including such a composition, particularly including an encapsulated composition, and a liquid crystal display device including the composition serving as a constituent of 3D lens. The liquid crystal composition contains a specific compound having large optical anisotropy as a first component, and a specific compound having large optical anisotropy and positive dielectric anisotropy as a second component; a specific compound having large positive dielectric anisotropy as a third component; and a specific compound having large optical anisotropy and further having high maximum or low minimum temperature as a fourth component, and the liquid crystal display device includes the composition.

A liquid crystal composition having a negative dielectric anisotropy, containing at least one compound selected from the group of compounds represented by Formulas (1-1), (1-2), (1-3) and (1-4) as a first component:wherein Ris alkyl or alkenyl; Ris alkyl or alkoxy; Ais 1,4-phenylene or 2-fluoro-1,4-phenylene; and Ais 1,4-phenylene, 2-fluoro-1,4-phenylene or 2,3-difluoro-1,4-phenylene.

Liquid crystal composition and liquid crystal display element

A liquid crystal composition containing at least one compound selected from compounds of formula (1) and formula (2) as a first component, at least one compound selected from compounds of formula (3) as a second component, and at least one compound selected from compounds of formula (4) as a third component:wherein Ris alkyl; Ris alkyl or alkenyl; Zand Zare independently a single bond or &#x2014;(CH)&#x2014;; Xis hydrogen or fluorine; and Yis fluorine or &#x2014;OCF. Also provided is a liquid crystal display element containing the composition.

A liquid crystal composition including three components, optionally four components, selected from the compounds (1-1) to (3-3) is provided. The composition has plural characteristics, i.e., a wide temperature range of a nematic phase, a low viscosity, a suitable optical anisotropy, and a large dielectric anisotropy, in a properly balanced manner. The invention further provides a liquid crystal display element including the composition.

The present invention provides a liquid crystal composition comprising at least one compound selected from the compounds represented by each of formulas (1) to (5) as set forth in the specification. The invention further provides a liquid crystal display element comprising the composition.

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Chiba, Japan

Eiji Okabe