Jnc Corporation

Jnc Petrochemical Corporation

Akihiro Takata

Hiroyuki Tanaka

Koki Sago

Takahiro Kubo

Hiroki Ookawa

Atsushi Sakamoto

Ayako Mori

The disclosure provides a liquid crystalline compound that has at least one of physical properties such as high stability with respect to heat and light, a high clearing point (or a high upper limit temperature), a low lower limit temperature of a liquid crystal phase, a low viscosity, suitable optical anisotropy, large negative dielectric anisotropy, a suitable elastic constant, favorable compatibility with other liquid crystalline compounds at room temperature and low temperatures, a liquid crystal composition including the compound, and a liquid crystal display element including the composition. The compound is represented by Formula (1).  Here, Ris an alkyl group having 2 to 10 carbon atoms in which one &#x2014;CHCH&#x2014; is substituted with &#x2014;CH&#x2550;CH&#x2014;; Ris an alkyl group having 1 to 8 carbon atoms; ring Ais 1,4-cyclohexylene; Yand Yare hydrogen or fluorine; Zis a single bond; and nis 1 or 2.

Liquid crystalline compound having fluorobiphenyl group and negative dielectric anisotropy, liquid crystal composition, and liquid crystal display element

Provided are a liquid crystal compound having larger dielectric anisotropy and superb heating reliability in comparison with a similar compound, a liquid crystal composition containing the compound and a liquid crystal display device including the composition. A compound is represented by formula (1).  In formula (1), for example, Ris alkyl having 1 to 15 carbons, ring Ais 1,4-cyclohexylene, 1,4-cyclohexenylene, 1,4-phenylene, 1,4-phenylene in which at least one hydrogen is replaced by halogen or tetrahydropyran-2,5-diyl; Zis a single bond or &#x2014;CFO&#x2014;; Land Lare hydrogen or halogen; Yand Yare hydrogen or halogen; and a is an integer from 1 to 4.

Liquid crystal compound having polyfluoro-2-butenoxy group, liquid crystal composition and liquid crystal display device

Provided is a liquid crystal compound satisfying at least one of physical properties such as high stability to heat and light, a high clearing point (or high maximum temperature), low minimum temperature of a liquid crystal phase, small viscosity, suitable optical anisotropy, large dielectric anisotropy, a suitable elastic constant and excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound and a liquid crystal display device including the composition. A compound, represented by formula (1): wherein, in formula (1), Ris alkoxy having 1 to 9 carbons or the like; Ris alkenyl having 2 to 10 carbons; Zand Zare independently a single bond, &#x2014;CHCH&#x2014;, &#x2014;CH&#x2550;CH&#x2014; or the like; and a and b are independently 0 or 1.

Liquid crystal compound having tercyclohexyl, liquid crystal composition and liquid crystal display device

To show a liquid crystal compound satisfying at least one of physical properties such as a high stability to heat, light or the like, a high clearing point, a low minimum temperature of a liquid crystal phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a suitable elastic constant and an excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound and a liquid crystal display device including the composition. A compound represented by formula (1): 

Liquid crystal compound having 1,1,3,3-tetrafluoroallyloxy group, liquid crystal composition and liquid crystal display device

A liquid crystal composition contains an achiral component T and a chiral dopant and exhibiting an optically isotropic liquid crystal phase. The achiral component T contains at least one compound represented by formula (1). In formula (1), Ris alkyl having 1 to 12 carbons, alkenyl having 2 to 12 carbons, or alkoxy having 1 to 11 carbons, ring Aand ring Aindependently represent one of the following formulae: Z, Zand Zare independently a single bond, &#x2014;(CH)&#x2014;, &#x2014;COO&#x2014;, &#x2014;CFO&#x2014; or &#x2014;CH&#x2550;CH&#x2014;, Xis hydrogen, halogen, &#x2014;CF, &#x2014;OCFor &#x2014;C&#x2261;N, L, L, Land Lare independently hydrogen or halogen, and i is 0, 1 or 2.

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Chiba, Japan

Akihiro Takata