Sumitomo Chemical Company, Limited

Sumitomo Chemical Companylimited

Noriyuki Hida

Haruki Okawa

Daichi Fujimoto

Masao Morimoto

Hidenori Hanaoka

Takashi Kamikawa

Hidenobu Kakimoto

Tomoya Nakatani

Tatsuaki Kasai

Taichi Senda

Shinnosuke Yoshioka

Hiroaki Hibino

Nozomi Masui

Seiji Oda

Katsuhiro Suenobu

Katsuaki Miyazaki

Yasutaka Yatsumonji

Ken Kashima

A liquid crystal composition is provided containing a first liquid crystal compound represented by formula (1): and a second liquid crystal compound represented by formula (2):  Also provided is a method for producing the liquid crystal composition having a desired wavelength dispersion characteristic.

Liquid crystal composition

A compound having a maximum absorption in a wavelength range of 350 nm to 550 nm that functions as a dichroic dye is provided. In particular, a compound represented by formula (1) is provided. In the compound represented by formula (1), Rrepresents a hydrogen atom or the like; Rrepresents an acyl group having 1 to 20 carbon atoms or the like; Rrepresents a hydrogen atom or the like; and Y represents a group of formula (Y1). In the group of formula (Y1), * represents a bonding site with N, or a group of formula (Y2); and in the group of formula (Y2), * represents a bonding site with N; Pand Peach independently represent &#x2014;S&#x2014; or the like; and Qand Qeach independently represent &#x2550;N&#x2014; or the like. 

Dichroic dye compound, polarizing film, and uses thereof

A compound capable of suppressing the occurrence of alignment defects and lowering the phase transition temperature of a liquid crystal composition without impairing optical characteristics is provided. In particular, a compound represented by formula (A) is provided in which the variable groups are as defined in the specification. 

Compound, liquid crystal composition, optical film, polarizing plate, and optical display

A polymer compound comprising a constitutional unit represented by the following formula (1) and a constitutional unit represented by the following formula (X) and/or a constitutional unit represented by the following formula (Y), [wherein, aand aeach independently represent an integer of 0 or more. Arand Areach independently represent an arylene group or a divalent heterocyclic group and these groups each optionally have a substituent. Arand Areach independently represent an arylene group, a divalent heterocyclic group or a divalent group in which at least one arylene group and at least one divalent heterocyclic group are bonded directly to each other, and these groups each optionally have a substituent. When there are a plurality of Arand a plurality of Ar, each of them may be the same or different. R, Rand Reach independently represent an alkyl group, an aryl group or a monovalent heterocyclic group and these groups each optionally have a substituent. When there are a plurality of Rand a plurality of R, each of them may be the same or different.]Ar&#x2003;&#x2003;(Y)[wherein, Arrepresents an arylene group, a divalent heterocyclic group or a divalent group in which at least one arylene group and at least one divalent heterocyclic group are bonded directly to each other, and these groups each optionally have a substituent.].

Polymer compound and light emitting device using the same

A composition is provided which contains a compound represented by Formula (1) below and a polymerizable smectic liquid crystal compound: In Formula (1), Rrepresents a hydrogen atom or a C1-C20 alkyl group; Rthrough Reach independently represent a C1-C4 alkyl group; n, p, and q are each independently an integer of 0 to 2; and Ris (i) a nitrogen-containing saturated heterocyclic group which is a 6-membered ring and in which N is bonded to a phenylene group, or (ii) a group in which N is bonded to at least one C1-C10 alkyl group.

Composition

Provided is a composition which can be used for formation of an optical film having high quality and a high dichroic ratio even after the composition is stored for a predetermined period of time. The composition includes a compound represented by the general formula (A) and a compound represented by the general formula (B), wherein Rin the general formula (A) and Rin the general formula (B) are mutually different groups.R&#x2014;Ar&#x2014;N&#x2550;N&#x2014;Ar&#x2014;N&#x2550;N&#x2014;Ar&#x2014;R&#x2003;&#x2003;(A)R&#x2014;Ar&#x2014;N&#x2550;N&#x2014;Ar&#x2014;N&#x2550;N&#x2014;Ar&#x2014;R&#x2003;&#x2003;(B)

Composition, and optical film including the composition

A compound serving as a dichroic pigment which has a maximum absorption wavelength in a range of 350 nm to 510 nm is represented by the following Formula (1): In Formula (1), Rrepresents a hydrogen atom or a C1-C20 alkyl group; Rthrough Rare substituents which are not hydrogen atoms and each independently represent a C1-C4 alkyl group; m, p, and q are each independently an integer of 0 to 2; and Ris (i) a C1-C10 alkyl group in which a hydrogen atom is substituted by at least one hydroxy group or (ii) a C1-C10 alkyl group which has carbon atoms and in which at least one &#x2014;O&#x2014; is inserted between the carbon atoms.

Dichroic azo compound and composition containing the same

A compound having a maximum absorption in a wavelength range of 350 nm to 550 nm that functions as a dichroic dye is provided. In particular, a compound represented by formula (1) is provided. In the compound of formula (1), Rrepresents a hydrogen atom or the like; Rrepresents a hydrogen atom or the like; Rrepresents a hydrogen atom or the like; Z represents &#x2014;CO&#x2014; or the like; and Y represents a group of formula (Y1). In the group of formula (Y1), * represents a bonding site with N, or a group of formula (Y2); and in the group of formula (Y2), * represents a bonding site with N; Pand Peach independently represent &#x2014;S&#x2014; or the like; and Qand Qeach independently represent &#x2550;N&#x2014; or the like. 

Provided is an optical film which has a maximum absorption at a wavelength in the range of 600 to 680 nm, has a high dichroic ratio, and is excellent in light resistance. The optical film includes: a polymer of a polymerizable liquid crystal compound; and a compound represented by the following general formula (1). 

Optical film

A liquid crystal composition which prevents production of an alignment defect of a liquid crystal compound and also has excellent storage stability during dissolution in a solvent is provided. The liquid crystal composition is suitable for constituting a retardation film capable of favorable circular polarization conversion. The liquid crystal composition includes a polymerizable liquid crystal compound having 3 or more ring structures in the main chain, and aluminum. A content of the aluminum is 1 ppm or more and 170 ppm or less relative to the polymerizable liquid crystal compound.

A compound having a maximum absorption in a wavelength range of 350 nm to 550 nm that functions as a dichroic dye is provided. In particular, a compound represented by formula (1) is provided. In the compound of formula (1), Rrepresents an alkyl group having 1 to 20 carbon atoms or the like; Rrepresents an acyl group having 1 to 20 carbon atoms or the like; Rrepresents a hydrogen atom or the like; and Y represents a group of formula (Y1). In the formula (Y1), * represents a bonding site with N, or a group of formula (Y2). In the formula (Y2), * represents a bonding site with N; Pand Peach independently represent &#x2014;S&#x2014; or the like; and Qand Qeach independently represent &#x2550;N&#x2014; or the like. 

A compound serving as a dichroic pigment which has a maximum absorption wavelength in a range of 350 nm to 510 nm is represented by the following Formula (1): In Formula (1), Rrepresents a hydrogen atom or a C1-C20 alkyl group; Rthrough Rare substituents which are not hydrogen atoms and each independently represent a C1-C4 alkyl group; n, m, and p are each independently an integer of 0 to 2; and Arrepresents a nitrogen-containing saturated heterocyclic group which is a 5 to 8-membered ring and in which (i) N is bonded to a phenylene group and (ii) at least one &#x3b2;-position is an oxygen atom or a sulfur atom.

Dichroic pigment compounds and compositions containing the same

Provided is a composition which is to be a raw material of a polarizing film having excellent light fastness. The composition includes a polymerizable liquid crystal compound and a compound represented by the following formula (1): wherein E represents an electron attractive group having at least 3 carbon atoms or the following group: wherein R represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms;Ar represents a group selected from the following groups: and A represents a group selected from the following groups: wherein R, Rand R, and l, m, n, p, and q are defined in the specification.

Composition and polarizing film

A method is provided for producing a compound, including a step of mixing a compound (1) having one or two leaving groups, a compound (2) having one or two boron atom-containing leaving groups, an organic base (P), and at least one selected from a phase transfer catalyst and an organic base (Q) larger in the number of carbon atoms than the above-mentioned organic base in the presence of a transition metal catalyst. The method thereby performs a coupling reaction between the above-mentioned compound (1) and the above-mentioned compound (2).

Method for producing compound

Provided is a composition that can form a polarizing film with high dichroic ratio, which contains a compound having a function as a dichroic dye and having a local maximum absorption in a wavelength range of 350 to 550 nm. The composition contains a compound represented by the formula (1) and a polymerizable liquid crystal compound:  wherein Y represents a group represented by the formula (Y1) or the formula (Y2) 

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Osaka, Japan

Noriyuki Hida