Jnc Corporation

Jnc Petrochemical Corporation

Chisso Corporation

Chisso Petrochemical Corporation

Teizi Satou

Yasuyuki Gotoh

Hideki Hayashi

Daisuke Inoki

Yasuyuki Goto

Norikatsu Hattori

Yoshimasa Furusato

Hiroaki Fujita

Keiji Kimura

Maiko Matsukuma

Tomoyuki Kondou

Chikahide Kanadani

Koichi Shibata

Ayako Mori

Sakura Tachinami

A polymerizable compound represented by formula (1). In formula (1), one of eight hydrogen atoms is substituted by a (meth)acryloyloxy group, and the rest seven hydrogen atoms are independently non-substituted or substituted by a saturated hydrocarbon group having 1 to 10 carbons. 

Polymerizable compound, polymerizable composition, polymer, and photoresist composition

A (meth)acrylate compound excellent in compatibility with other photosensitive resins and capable of providing a polymer with high transparency, a polymer, a resist material, and a method for producing the (meth)acrylate compound. The (meth)acrylate compound is represented by formula (1). 

(Meth)acrylate compound, polymer, resist material, and method for producing (meth)acrylate compound

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

A liquid crystal compound is provided that satisfies at least one physical property, such as high stability to heat and light, a high clearing point (or high maximum temperature), a low minimum temperature of a liquid crystal phase, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, a suitable elastic constant and good compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. The liquid crystal compound is represented by formula (1): in which, Rand Rare alkyl having 1 to 10 carbons; ring A, ring Aand ring Aare 1,4-cyclohexylene, 1,4-phenylene; and ring Nis 2,3-difluoro-1,4-phenylene; G is a divalent group represented by formula (pr-1) or (pr-2); in which, Z, Z, Zand Zare a single bond; and a, b and c are 0, 1 or 2.

Liquid crystal compound having a 3,6-dihydro-2H-pyran ring, negative dielectric anisotropy, liquid crystal composition and liquid crystal display device

An object is to provide 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. A solution is a polymerizable compound represented by formula (1). In the formula, for example, Pand Pare &#x2014;OCO&#x2014;(CH)C&#x2550;CH; Sand Sare a single bond; ring A, ring Aand ring Aare 1,4-phenylene; Z, Zand Zare a single bond; two of G is &#x2014;CH&#x2550; or &#x2014;N&#x2550;; and a is 0 or 1.

Polymerizable compound having oxygen-containing five-membered ring, liquid crystal composition and liquid crystal display device

To provide a liquid crystal composition satisfying at least one characteristic such as high maximum temperature of nematic phase, low minimum temperature thereof, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy and specific resistance, high stability to ultraviolet light and heat; a liquid crystal composition having a suitable balance regarding at least two thereof; and an AM device including the composition. The liquid crystal composition has nematic phase, and contains as a first component a specific antioxidant having high compatibility with the composition and an excellent antioxidant function, and may contain a specific component having high maximum temperature or small viscosity as a second component, a specific component having high maximum temperature or large dielectric anisotropy as a third component, a specific component having large negative dielectric anisotropy as a fourth component, and a specific antioxidant as a fifth component, and a liquid crystal display device includes the composition.

Liquid crystal composition, antioxidant and liquid crystal display device

To provide a liquid crystal compound having general physical properties required for the compound, namely, a high stability to heat, light and so forth, a small viscosity, a refractive index anisotropy value having a suitable magnitude, a dielectric constant anisotropy value having a suitable magnitude and steep electro-optical characteristics, a wide temperature range of a nematic phase, and an excellent compatibility with other liquid crystal compounds, in particular, a liquid crystal compound having a wide temperature range of the nematic phase; the compound is represented by formula (1): wherein R is alkenyl having 2 to 20 carbons; ring Aand ring Aare independently 1,4-cyclohexylene, or 1,4-phenylene in which at least one of hydrogen may be replaced by fluorine; Zand Zare independently a single bond, &#x2014;CHCH&#x2014;, &#x2014;CH&#x2550;CH&#x2014;, &#x2014;CHO&#x2014; or &#x2014;OCH&#x2014;; and n is 0 or 1.

Fluorovinyl derivative, liquid crystal composition and liquid crystal display device

A liquid crystal compound is provided that has stability to heat and an ultraviolet ray, a small viscosity, a suitable refractive index anisotropy, a suitable dielectric anisotropy, a nematic phase within a wide temperature range and favorable compatibility with other liquid crystal compounds, and a liquid crystal composition is also provided that has a particularly small viscosity. The liquid crystal compound is a compound represented by formula (1): wherein in formula (1), Ris hydrogen or alkyl having 1 to 5 carbons; one of Xand Xis hydrogen, and the other thereof is fluorine; and Ris hydrogen or methyl.

Growing community of inventors

Ichihara, Japan

Teizi Satou