Dic Corporation

Takaya Ikeuchi

Masanao Hayashi

Noriyuki Sugiyama

A compound capable of providing a liquid crystal composition with high T, large Δn, low V, large Δε, small tan δ, and satisfactory storability at low temperatures, and a liquid crystal composition, as well as a liquid crystal display element, a sensor, a liquid crystal lens, an optical communication device, and an antenna using the liquid crystal composition. Specifically, a compound represented by general formula (i) having an alkynyl group and an isothiocyanate group (—NCS) and a liquid crystal composition containing one or two or more of such compounds.

Compound, liquid crystal composition, and liquid crystal display element, sensor, liquid crystal lens, optical communication device, and antenna using liquid crystal composition

A compound having large refractive index anisotropy (Δn), the effect of increasing the phase transition temperature of a liquid crystal phase, and high solubility, and showing large dielectric anisotropy (Δε) in a high frequency region, a composition containing the compound, a liquid crystal composition, and a device using the liquid crystal composition. The compound has large refractive index anisotropy Δn, sufficiently high T, and high compatibility with a liquid crystal composition, and shows large dielectric anisotropy in a high frequency region, and is thus useful for a material of an element of a device such as a high-frequency phase shifter, a phased array antenna, an image recognition device, a distance measuring device, a liquid crystal display device, a liquid crystal lens, a birefringent lens for stereoscopic image display.

Compound, composition, liquid crystal composition, and device

A compound is represented by general formula (I), a liquid-crystal composition contains this compound, and devices are made using this liquid-crystal composition. Having a large refractive-index anisotropy &#x394;n and a sufficiently high Tni, highly compatible with liquid-crystal compositions, and exhibiting a high dielectric anisotropy in the radio frequency range, the compound is a useful material for RF phase shifters, phased-array antennae, image recognition devices, distance meters, liquid-crystal displays, liquid-crystal lenses, and birefringent lenses for 3D image display, among other devices. 

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Saitama, Japan

Takaya Ikeuchi