Jnc Corporation

Jnc Petrochemical Corporation

Yasuyuki Gotoh

Masahide Kobayashi

Mayumi Goto

Norikatsu Hattori

Takahiro Kobayashi

Takahiro Kubo

Kenji Hirata

Keiji Kimura

Kazuo Okumura

Chikahide Kanadani

Takayoshi Yanai

Yoshimasa Furusato

Ryushi Shundo

Junichi Yamashita

Teizi Satou

Maiko Matsukuma

Masakazu Yano

Hiroki Ookawa

Subaru Kawasaki

Yukihiro Fujita

Michiko Sawada

A polymerizable compound has a high polymerizability, a high conversion ratio and a high solubility in a liquid crystal composition. A polymerizable composition contains the compound. A liquid crystal composite is prepared from the composition. A liquid crystal display device includes the liquid crystal composite. The polymerizable compound is formed in which the polymerizable compound has at least two polymerizable groups in which at least one polymerizable group is acryloyloxy or methacryloyloxy, and at least one remaining polymerizable group is a polymerizable group selected from the group of groups represented by formulas (P-1), (P-2) and (P-3).  In formulas (P-1) to (P-3), Rto Rare independently hydrogen, fluorine, methyl, ethyl or trifluoromethyl.

Polymerizable compound, polymerizable composition and liquid crystal display device

A compound represented by formula (1), a liquid crystal composition to which the compound is added, and a liquid crystal display device containing the composition.  In formula (1), Ris hydrogen or alkyl having 1 to 20 carbons, or the like; Rand Rare independently methyl, ethyl, isopropyl, or t-butyl; ring A is 1,4-cyclohexylene, 1,4-phenylene or the like; Z is a single bond or alkylene having 1 to 6 carbons, or the like; and m is 0, 1, or 2.

Antioxidant having difluoromethoxy group, liquid crystal composition, and liquid crystal display device

Subject It is to provide a polymerizable compound having a high polymerization reactivity, a high conversion yield and a high solubility in a liquid crystal composition, a polymerizable composition including this compound, a liquid crystal composite prepared from this polymerizable composition and a liquid crystal display device containing this composite. Means for solving the Subject A compound represented by formula (1), the liquid crystal composition and the liquid crystal display device. In the formula, for example, ring A, ring Aand ring Aare phenylene or cyclohexylene; Spand Spare a single bond or alkylene having 1 to 6 carbons; Zand Zare &#x2014;CH&#x2550;CH&#x2014; or &#x2014;C&#x2261;C&#x2014;; a is 1, b is 0; and Pand Pare a polymerizable group.

Polymerizable compound having conjugated bonds, liquid crystal composition and liquid crystal display device

A compound is represented by formula (1). In formula (1), Ris hydrogen, fluorine, alkyl or the like; ring Aand ring Aare independently 1,4-cyclohexylene, 1,4-phenylene or the like; Z, Zand Zare independently a single bond, &#x2014;COO&#x2014; or the like; Xis hydrogen, fluorine, &#x2014;CF, or &#x2014;OCF; Land Lare independently hydrogen or fluorine; and a is 0 or 1, and b is 0 or 1.

Liquid crystal compound having vinylene group, liquid crystal composition and liquid crystal display device

The invention provides a liquid crystal compound satisfying at least one of physical properties such as a high stability to heat or light, a high clearing point (or a high maximum temperature), a low minimum temperature of a liquid crystal phase, a small viscosity, a suitable optical anisotropy, a small dielectric anisotropy, a suitable elastic constant and a good compatibility with other liquid crystal compounds, a liquid crystal composition including this compound, and a liquid crystal display device containing this composition. The invention provides a compound represented by formula (1): where Rand Ris alkyl having 1 to 20 carbons or the like; one of Land Lis both hydrogens, and the other is both fluorines; Zand Zare independently a single bond, &#x2014;COO&#x2014;, &#x2014;OCO&#x2014;, &#x2014;OCH&#x2014;, &#x2014;CHO&#x2014;, &#x2014;CFO&#x2014;, &#x2014;OCF&#x2014;, &#x2014;CHCH&#x2014;, &#x2014;CH&#x2550;CH&#x2014;, &#x2014;C&#x2261;C&#x2014; or the like.

Compounds having a difluorocyclohexane ring, liquid crystal compositions and liquid crystal display devices

A polymerizable compound having high polymerization reactivity, a high conversion ratio and high solubility in a liquid crystal composition, a polymerizable composition containing the compound, a liquid crystal composite prepared from the composition and a liquid crystal display device having the composite are shown. The polymerizable compound has three or four rings in a serial arrangement and not being mutually condensed, and has three or more polymerizable groups among which at least one is bonded with a ring which is not an either terminal of the three or four rings. The polymerizable composition contains the above polymerizable compound and a liquid crystal composition. The liquid crystal composite is prepared from the above polymerizable composition, and the liquid crystal display device has the liquid crystal composite.

To provide a compound having an effect for preventing photolysis of a liquid crystal composition, and having a high solubility in the liquid crystal composition, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. The compound is represented by formula (1), the liquid crystal composition contains the compound, and the liquid crystal display device includes the composition.  In formula (1), R, R, Rand Rare independently hydrogen or alkyl having 1 to 4 carbons; ring Aand ring Aare independently 1,4-cyclohexylene, 1,4-phenylene or the like; Z, Zand Zare independently a single bond, alkylene or the like; and n is 0, 1 or 2.

Piperidine derivative, liquid crystal composition and liquid crystal display device

A liquid crystal composition including an antioxidant, and a liquid crystal display device containing this composition are described. The liquid crystal composition has a nematic phase, has a high solubility in a liquid crystal composition, and includes a specific antioxidant useful for preventing deterioration of the composition. The liquid crystal composition may also include a specific compound having a high maximum temperature or a small viscosity as a first component, a specific compound having a high maximum temperature or a large dielectric anisotropy as a second component, and a specific compound having a large negative dielectric anisotropy as a third component.

Liquid crystal composition, antioxidant and liquid crystal display device

A compound, represented by formula (1): wherein, Rand Rare alkyl having 1 to 15 carbons or the like; ring Ais tetrahydropyran-2,5-diyl, and ring Aand ring Aare 2-fluoro-1,4-phenylene or 2-chloro-1,4-phenylene; Z, Zand Zare a single bond or the like; and a and b are 0 or 1, and a sum of a and b is 1.

Compound having tetrahydropyran ring, liquid crystal composition and liquid crystal display device

Provided is a compound having an effect on preventing photolysis of a liquid crystal composition and having a high solubility in the liquid crystal composition, a liquid crystal composition containing the compound and a liquid crystal display device including the composition. The compound is represented by formula (1), the liquid crystal composition contains the compound, and the liquid crystal display device uses the composition: wherein in formula (1), R, R, Rand Rare independently hydrogen or alkyl having 1 to 4 carbons; Ris hydrogen, hydroxy, oxy radical, alkyl having 1 to 10 carbons or alkoxy having 1 to 10 carbons; ring Ais 1,4-cyclohexylene, 1,4-cyclohexenylene or the like; Zand Zare independently a single bond or alkylene having 1 to 10 carbons; and a is 0, 1, 2 or 3.

To provide a liquid crystal compound having high polymerization reactivity, a high conversion ratio and high solubility in a liquid crystal composition, a polymerizable composition containing the compound, a liquid crystal composite prepared using the composition, and a liquid crystal display device including the composite. The liquid crystal display device prepared using the polymerizable composition containing the compound represented by formula (1): wherein, in formula (1), Pto Pare a polymerizable group; Sto Sare a single bond, alkylene or the like; a1, a3 and a4 are an integer from 0 to 4, a2 is an integer from 1 to 4; ring Ato ring Aare a divalent group derived from benzene, naphthalene, anthracene, pyrimidine, pyridine or the like; Zto Zare a single bond, alkylene or the like, and at least one of Z, Zand Zis &#x2014;C&#x2261;C&#x2014;; and b1 is 0 or 1.

Polymerizable compound having triple bond, liquid crystal composition and liquid crystal display device

The disclosure shows a liquid crystal composition that contains a compound having an effect of preventing photolysis of the liquid crystal composition and having high solubility in the liquid crystal composition, and that satisfies at least one of characteristics such as high maximum temperature, low minimum temperature, small viscosity, suitable optical anisotropy, large positive or negative dielectric anisotropy, large specific resistance, high stability to ultraviolet light or heat, and a suitable elastic constant, etc. and so on. The disclosure shows a liquid crystal composition that contains a compound having the following azolidine ring (Q-1) or azepane ring (Q-2), a liquid crystal display device and so on. 

Liquid crystal composition containing nitrogen-containing cyclic compound and liquid crystal display device

A liquid crystal composition is provided containing a compound that is effective in preventing photolysis of the liquid crystal composition, and has high solubility in the liquid crystal composition. A liquid crystal display device including the composition is also provided. The liquid crystal composition contains a compound represented by formula (1), and a liquid crystal display device uses the composition: in which, in formula (1), Rto Rare hydrogen or alkyl having 1 to 4 carbons; ring Aand ring Aare cyclohexylene, phenylene, or naphthalenediyl; Z, Zand Zare a single bond; and a and b are independently 1 or 2, and c is 0, 1 or 2.

A polymerizable compound is provided having suitable polymerization reactivity, high conversion and high compatibility in a liquid crystal composition, a polymerizable composition containing the compound, a liquid crystal composite prepared using the composition, and a liquid crystal display device having the composite. The polymerizable compound has at least one monovalent group (A). The polymerizable composition contains the compound. The liquid crystal composition and the liquid crystal composite is prepared using the polymerizable composition. The liquid crystal display device has the liquid crystal composite. In the monovalent group (A), Rand Rare independently alkyl having 1 to 3 carbons, and in the alkyl, at least one of hydrogen may be replaced by fluorine, and Ris hydrogen or methyl.

To provide a compound having an effect for preventing photolysis of a liquid crystal composition, and having a high solubility in the liquid crystal composition, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. The compound is represented by formula (1), a liquid crystal composition contains the compound, and a liquid crystal display device includes the composition:M(Z-Q)(R)&#x2003;&#x2003;(1)wherein, in formula (1), a is 1 to 4, and b is a numerical value: (4&#x2212;a); M is an organic group; Z is a single bond or the like; and Q is a monovalent group represented by formula (Q-1), (Q-2) or (Q-3), in which Rand Rare hydrogen, alkyl or the like. 

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Tokyo, Japan

Yasuyuki Gotoh