Jnc Corporation

Jnc Petrochemical Corporation

Takanori Mori

Eiji Okabe

Yuko Katano

Kazushi Shiren

Hitoshi Tobata

Yoichi Uriu

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. 

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Chiba, Japan

Takanori Mori