Jnc Corporation

Jnc Petrochemical Corporation

Kazuhiro Ogita

Fumitaka Kondo

Hiroyuki Tanaka

Masakazu Yano

Fumitaka Kondou

Masayuki Saito

Yoshiharu Hirai

Tomohiro Yano

Yuko Katano

Hiroshi Endou

A liquid crystal composition including liquid crystalline compounds, polymerizable compounds, and dichroic dyes in which the polymerizable compound includes at least one compound represented by Formula (1),R-MES-Sp-P&#x2003;&#x2003;(1)in Formula (1), Ris an alkyl group having 1 to 15 carbon atoms; MES is a mesogenic group having at least one ring, and in the ring in MES, at least one hydrogen atom is optionally substituted with -Sp-P; Spis a single bond or an alkylene group having 1 to 10 carbon atoms, and in this alkylene group, at least one &#x2014;CH&#x2014; is optionally substituted with &#x2014;O&#x2014;, &#x2014;CO&#x2014;, &#x2014;COO&#x2014;, &#x2014;OCO&#x2014;, or &#x2014;OCOO&#x2014;, and at least one &#x2014;(CH)&#x2014; is optionally substituted with &#x2014;CH&#x2550;CH&#x2014; or &#x2014;C&#x2261;C&#x2014;, and in these groups, at least one hydrogen atom is optionally substituted with a polymerizable group; Pis a polymerizable group or a polar group, or a group having both polymerization and polarity.

Liquid crystal composition, liquid crystal element, and use of liquid crystal composition in liquid crystal element

Shown is a compound represented by formula (1). For example, Ris alkyl having 1 to 15 carbons; MES is a mesogen group having at least one ring; Spis a single bond or alkylene having 1 to 10 carbons; Mis methyl; and R, Mand Mare hydrogen. 

Polymerizable polar compound, liquid crystal composition and liquid crystal display device

A nematic liquid crystal composition has negative dielectric anisotropy and contains at least one polar compound selected from the group of compounds represented by formula (1) as a first additive, and the liquid crystal display device includes the composition. In formula (1), Ris hydrogen, halogen, alkyl having 1 to 12 carbons or the like; Ris a group represented by &#x2014;OH, &#x2014;OR, &#x2014;NH, &#x2014;NHRor &#x2014;N(R), in which Ris alkyl having 1 to 5 carbons; ring A and ring B are independently 1,4-cyclohexylene, 1,4-phenylene or the like; Zis a single bond or the like; Spand Spare independently a single bond, alkylene having 1 to 7 carbons or the like; and a is 0 to 4. 

Liquid crystal composition and liquid crystal display device

A method for manufacturing a liquid crystal display device using a liquid crystal composition containing a polar compound having a polymerizable group. Upon manufacturing the liquid crystal display device including a pair of substrates that have no alignment film and arranged to face each other, and including a liquid crystal composition containing a liquid crystal compound and a polymerizable compound as a liquid crystal layer formed between the substrates formed of an electrode group formed on either one or both of surfaces faced by each of the pair of substrates, in which at least one of the polymerizable compounds is a compound having a polar anchor group, wherein the polymerizable compound is allowed to react under conditions of 10 or more in an accumulated light quantity ratio (313 nm/254 nm) at 254 nanometers and 313 nanometers to form an alignment control layer.

Method for manufacturing liquid crystal display device and liquid crystal display device

Provided is a polar compound having high chemical stability, high capability of aligning liquid crystal molecules, high solubility in a liquid crystal composition, and a large voltage holding ratio when used in a liquid crystal display device. The compound is represented by formula (1): in which, for example, Ris alkyl having 1 to 15 carbons; MES is a mesogen group having at least one ring; Spis a single bond or alkylene having 1 to 10 carbons; Mand Mare hydrogen; and Ris a group represented by formulas (1a) to (1c): in which, Spand Spare a single bond or alkylene having 1 to 10 carbons; Sis &#x3e;CH&#x2014;; Sis &#x3e;C&#x3c;; and Xis &#x2014;OH.

Growing community of inventors

Chiba, Japan

Kazuhiro Ogita