Zeon Corporation

Kabushiki Kaisha Toshiba

Toshiba Memory Corporation

Nippon Zeon Company, Ltd.

Fujitsu Corporation

Other

Toshiba Digital Solutions Corporation

Zeno Corporation

Toshiba Information Systems (japan) Corporation

Kei Sakamoto

Kumi Okuyama

Satoshi Kiriki

Kanako Sanuki

Yasushi Nakano

Nobuaki Yasutake

Takayuki Okamura

Akira Tanaka

Kishio Yokouchi

Yasuhiro Yoneda

Kanako Taira

Jun Nishimura

Tomonori Ogawa

Masanobu Shinohara

Satoru Ishigaki

Shigeki Kobayashi

Masaki Kondo

Daisuke Mizutani

Yasuhiro Wakizaka

Yoshikatsu Ishizuki

Takamasa Okawa

Kentaro Tamura

Ryosuke Sawabe

Hiroki Iwaki

Toshifumi Ootake

Toshio Takahashi

Masahiro Fujita

Koji Nakamura

Kazuyuki Saito

Ken Ishii

Yasuo Tsunogae

Hiroshi Nakaki

Yojiro Tonouchi

Tsutomu Yoshimura

Toshiro Yamada

Tsukasa Ike

Kazunori Taguchi

Yasukazu Okamoto

Masakazu Saito

Masashi Aimatsu

Toshikazu Morisawa

Kazuhiro Osato

Hisao Nemoto

Hisashi Kazama

Yasuo Naganuma

Satoru Arai

Shunpei Nakajima

Satoshi Tazaki

Yoshihide Yachi

Kazunori Hashimoto

Akifumi Ohno

Makoto Yamaguchi

Shion Itou

Yasuhiro Wakisaka

Kenichi Ito

Hitomi Takeuchi

Masami Koshiyama

Masayuki Omiya

Kazuhiro Gotou

Masashi Uemoto

Daichi Soshi

Hirokazu Ikeyama

Natsuko Nakata

Yousuke Ujihara

Satoru Iwahashi

Naoto Kogoshi

Yoshihisa Kondou

Hideaki Andoh

A phase difference plate includes a phase difference plate P1 and a phase difference plate P2. An in-plane slow axis of the phase difference plate P1 is orthogonal to an in-plane slow axis of the phase difference plate P2. The phase difference plate P2 includes a layer of a liquid crystal material oriented in an in-plane direction. An in-plane retardation ReP2(λ) at a wavelength A nm of the phase difference plate Psatisfies the following formulae (e1) and (e2): {Re2 (400)−Re2(550)}/{Re2(550)−Re2(700)}<2.90 (e1), and Re2(400)/Re2(700)>1.13 (e2). An in-plane retardation ReP1(λ) of the phase difference plate P1 at a wavelength λ nm and the in-plane retardation ReP2(λ) of the phase difference plate P2 at the wavelength λ nm satisfy the following formulae (e4) and (e5): ReP1(550)>ReP2(550) (e4), and ReP1(400)/ReP1(700)<ReP2(400)/ReP2(700) (e5).

Multilayer phase difference plate, polarizing plate, and image display device

Disclosed is a polymerizable liquid crystal material wherein an amount of a salt represented by the following formula (I) is less than 0.01 parts by mass per 100 parts by mass of a polymerizable liquid crystal compound, and an amount of a nitrogen-containing compound represented by the following formula (II) is 0.01 parts by mass or less per 100 parts by mass of the polymerizable liquid crystal compound. Rto Reach independently represent a hydrogen atom or a C1-C7 alkyl group, Rand Rrepresents a hydrogen atom, and X represents F, Br, Cl, I, HSO, 1/2(HPO), HPO, R&#x2014;C(&#x2550;O)&#x2014;O, 1/2(O&#x2014;(C&#x2550;O)&#x2014;R'&#x2014;(C&#x2550;O)&#x2014;O) or R&#x2014;SO, where R represents a hydrogen atom or a monovalent hydrocarbon group, and R&#x2032; represents a single bond or a divalent hydrocarbon group. 

Polymerizable liquid crystal material, polymerizable liquid crystal composition, polymer, optical film, optically anisotropic body, polarizing plate, anti-reflection film, display device, and method of producing polymerizable liquid crystal composition

Disclosed is a mixture containing polymerizable compounds having Formulas (III) and (IV) wherein Arand Arare divalent aromatic hydrocarbon or heteroaromatic ring group having D1 or D2 as a substituent; Dand Dare C1-C20 organic group having at least one aromatic ring selected from the group consisting of aromatic hydrocarbon ring and heteroaromatic ring; A-Aand B-Bare alicyclic or aromatic group which may have a substituent, Y-Yand L-Lare single bond, &#x2014;O&#x2014;, &#x2014;CO&#x2014;, &#x2014;CO&#x2014;O&#x2014;, &#x2014;O&#x2014;CO&#x2014;, &#x2014;NR&#x2014;CO&#x2014;, &#x2014;CO&#x2014;NR&#x2014;, &#x2014;O&#x2014;CO&#x2014;O&#x2014;, &#x2014;NR&#x2014;CO&#x2014;O&#x2014;, &#x2014;O&#x2014;CO&#x2014;NR&#x2014; or &#x2014;NR&#x2014;CO&#x2014;NR&#x2014; where R&#x2014;Rare hydrogen or C1-C6 alkyl group; R&#x2014;Rare hydrogen, methyl group or chlorine; one of f and k is integer of 1 to 3 with the other being integer of 0 to 3; g, j, m and q are integer of 1 to 20; and h, i, n and p are 0 or 1. 

Compound, polymerizable compound, mixture, polymerizable liquid crystal composition, polymer, optical film, optically anisotropic product, polarizing plate, flat panel display device, organic electroluminescence display device, and anti-reflection film

A polymerizable compound has a practical low melting point, excellent solubility in a general-purpose solvent, and can produce an optical film at low cost, exhibits low reflected luminance, and achieves uniform conversion of polarized light over a wide wavelength band, an optically anisotropic article.

Polymerizable compound, polymerizable composition, polymer, optically anisotropic body, and method for producing polymerizable compound

Provided is a compound represented by the following formula: Yto Yeach represent a chemical single bond, &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;O&#x2014;C(&#x2550;O)&#x2014;, &#x2014;C(&#x2550;O)&#x2014;O&#x2014;, &#x2014;O&#x2014;C(&#x2550;O)&#x2014;O&#x2014;, &#x2014;NR&#x2014;C(&#x2550;O)&#x2014;, &#x2014;C(&#x2550;O)&#x2014;NR&#x2014;, &#x2014;O&#x2014;C(&#x2550;O)&#x2014;NR&#x2014;, &#x2014;NR&#x2014;C(&#x2550;O)&#x2014;O&#x2014;, &#x2014;NR&#x2014;C(&#x2550;O)&#x2014;NR&#x2014;, &#x2014;O&#x2014;NR&#x2014;, or &#x2014;NR&#x2014;O&#x2014;, Rbeing a hydrogen atom or an alkyl group having 1 to 6 carbon atoms. Gand Geach represent a divalent linear aliphatic group having 1 to 20 carbon atoms. that optionally includes &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;O&#x2014;C(&#x2550;O)&#x2014;, &#x2014;C(&#x2550;O)&#x2014;O&#x2014;, &#x2014;O&#x2014;C(&#x2550;O)&#x2014;O&#x2014;, &#x2014;NR&#x2014;C(&#x2550;O)&#x2014;, &#x2014;C(&#x2550;O&#x2014;NR&#x2014;, &#x2014;NR&#x2014;, or &#x2014;C(&#x2550;O)&#x2014;. Zand Zeach represent an alkenyl group having 2 to 10 carbon atoms. Arepresents a trivalent aromatic group. Aand Aeach represent a divalent alicyclic hydrocarbon group having 3 to 30 carbon atoms. Aand Aeach represents a divalent aromatic group having 6 to 30 carbon atoms. Qrepresents a alkyl group having 1 to 6 carbon atoms, an organic group having 2 to 30 carbon atoms that includes at least one of an aromatic hydrocarbon ring and a heteroaromatic ring, or a hydrogen atom. n and m each represent 0 or 1.

Polymerizable compound, polymerizable composition, polymer, and optically anisotropic product

A vehicle-mounted gateway apparatus according to an embodiment includes a communication device including an external communication interface for connection to the network outside the mobile body with each of a plurality of different external communication schemes and an internal communication interface for connection to each of the plurality of data sources within the mobile body; and a control device configured to transmit data collected from each of the data sources through the internal communication interface to the network outside the mobile body. The control device includes a communication channel selection section configured to select a communication channel from the plurality of external communication schemes for each of the data sources, and a monitoring control section configured to monitor data output from each of the data sources and to transmit the data to the network outside the mobile body over a selected one of the communication channels associated with the data source. The communication channel selection section is configured to switch between the communication channels associated with each of the data sources depending on a communication connection state of each of the plurality of external communication schemes based on priority setting in which the plurality of external communication schemes are arranged in a predetermined priority order.

Vehicle-mounted gateway apparatus and vehicle mounted gateway system

Disclosed is a mixture containing compound (I) and polymerizable compound (II) wherein compound (I) accounts for 50 mol % or more of the entire mixture and 1,4-cyclohexanedicarboxylic acid accounts for less than 5 mol % of the entire mixture; a method of producing the mixture which includes reacting in a water-immiscible organic solvent 1,4-cyclohexanedicarboxylic acid dichloride with compound (IV) in the presence of a base, and washing the obtained reaction solution with a weakly acidic buffer solution; etc. The disclosure provides mixtures useful for low-cost production of polymerizable compounds which have low melting points suitable for practical use, show superior solubility to general-purpose solvents, can be produced at low costs, and allow for provision of optical films capable of uniform polarized light conversion over a wide wavelength range, and methods of producing the mixtures. where A represents hydrogen, methyl group or chlorine, and n represents an integer of 1 to 20.

Mixture of polymerizable compound and method of producing the same

A compound which is represented by a formula (IIa), wherein each of Yto Yindependently represents a chemical single bond, &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;O&#x2014;C(&#x2550;O)&#x2014;, &#x2014;C(&#x2550;O)&#x2014;O&#x2014;, &#x2014;O&#x2014;C(&#x2550;O)&#x2014;O&#x2014;, &#x2014;NR&#x2014;C(&#x2550;O)&#x2014;, &#x2014;C(&#x2550;O)&#x2014;NR&#x2014;, &#x2014;O&#x2014;C(&#x2550;O)&#x2014;NR&#x2014;, &#x2014;NR&#x2014;C(&#x2550;O)&#x2014;O&#x2014;, &#x2014;NR&#x2014;C(&#x2550;O)&#x2014;NR&#x2014;, &#x2014;O&#x2014;NR&#x2014;, or &#x2014;NR&#x2014;O&#x2014;, Rrepresents a hydrogen atom or an alkyl group; each of Gand Gindependently represents a divalent linear aliphatic group; each of Zand Zindependently represents an alkenyl group; Arepresents a group represented by a formula (II), wherein X represents &#x2014;NR&#x2014;, an oxygen atom, a sulfur atom, and Rrepresents a hydrogen atom or an alkyl group; D represents an alkylene group or a cycloalkanediyl group; Arepresents a trivalent aromatic group; each of Aand Aindependently represents a divalent alicyclic hydrocarbon group; each of Aand Aindependently represents a divalent aromatic group; Qrepresents a hydrogen atom, or an alkyl group.

The invention provides a polymerizable compound of formula (I), polymerizable composition, polymer, and optically anisotropic article capable of obtaining an optical film having a low melting point, excellent solubility, being manufactured at low cost, and of uniform polarized light conversion across a broad wavelength region. In formula (I): Yto Yare independently a chemical single bond, &#x2014;O&#x2014;, &#x2014;O&#x2014;C(&#x2550;O)&#x2014;, &#x2014;C(&#x2550;O)&#x2014;O&#x2014;; Gand Gare independently a divalent C1-C20 aliphatic group; Zand Zare independently a C2-C10 alkenyl group substituted with a halogen atom; Ais a C2-C30 organic group that includes at least one aromatic ring of an aromatic hydrocarbon ring or an aromatic hetero ring; Ais H, a C1-C20 alkyl group, a C2-C20 alkenyl group, a C3-C12 cycloalkyl group; Ais a trivalent aromatic group; Aand Aare independently a divalent C6-C30 aromatic group; and Qis H, or a C1-C6 alkyl group. 

Polymerizable compound, polymerizable composition, polymer, and optically anisotropic material

Provided is a method of producing an acid halide solution that is useful in production of a polymerizable liquid-crystal compound. The method of producing an acid halide solution includes: a first step of reacting a specific dicarboxylic acid compound with a halogenating agent in a water-immiscible organic solvent in the presence of at least 1.1 equivalents and not more than 3.0 equivalents of an activator relative to the dicarboxylic acid compound to obtain a reaction liquid including a solution that contains an acid halide compound and an oily liquid that is immiscible with the solution containing the acid halide compound; and a second step of removing the oily liquid from the reaction liquid obtained in the first step to obtain a purified liquid containing the acid halide compound.

Method of producing acid halide solution and method of producing monoester compound

Provided is a method of efficiently producing a solution composition containing a monoetherified product (III) using a hydroquinone compound (I) and a hydroxyl group-containing etherifying agent (II). The method of producing a solution composition includes: a step (1) of reacting a hydroquinone compound (I) and a hydroxyl group-containing etherifying agent (II) in a two-phase system including an alkaline aqueous solution and a hydrophobic ether solvent, and in the absence of a phase transfer catalyst and a hydrophilic organic solvent; and a step (2) of separating and removing an aqueous phase of a two-phase reaction liquid by liquid separation, and washing an organic phase using an aqueous solution containing a neutral inorganic salt and a hydroxide of an alkali metal, or the like.

Method of producing solution composition containing monoetherified product, solution composition, and method of producing polymerizable compound

Provided are a production method for compound (II) including reacting compound (I) with a halogenating agent in the presence of at least 0.5 equivalents, relative to compound (I), of a nitrogen atom-containing polar aprotic solvent; a composition containing compound (II), a halogenating agent or the like, and at least 0.5 equivalents, relative to compound (II), of a nitrogen atom-containing polar aprotic solvent; a stabilization method for compound (II); and compound (II). 

Production intermediate of polymerizable compound, production method for same, composition, and stabilization method

The present disclosure provides a method for producing an acid halide solution that is useful as a production intermediate or the like that allows industrially advantageous production of a polymerizable liquid crystal compound. The method for producing an acid halide solution of the present disclosure includes a step &#x3b1; of reacting a halogenating agent and a dicarboxylic acid compound in a water-immiscible organic solvent in the presence of a tetraalkylammonium salt to obtain a water-immiscible organic solvent solution including an acid halide, and a step &#x3b2; of concentrating the obtained water-immiscible organic solvent solution.

Method for producing acid halide solution, mixed solution, and method for producing monoester compound

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Tokyo, Japan

Kei Sakamoto