Liquid crystalline compounds and process for producing the same
AssigneeDai Nippon Printing Co., Ltd.
InventorsJunichi Hanna, Masahiro Funahashi, Komei Kafuku, Kyoko Kogo
Life of this patent
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Abstract
A liquid crystalline compound having a novel structure and a process for producing the same are provided. The liquid crystalline compound is represented by the following general formula (I): wherein R1 and R2 each independently represent a straight-chain, branched or cyclic, saturated or unsaturated hydrocarbon group having 1 to 22 carbon atoms and may be attached directly to the aromatic ring without through X1 or X2; R3 represents a hydrogen atom, a cyano group, a nitro group, a fluorine atom, or a methyl group; and X1 and X2 each independently represent an oxygen atom, a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, —NHCO—, or —CH2— group.
Claims13
A process for producing a liquid crystalline compound, represented by the following general formula (II):
- wherein R1 and R2 each independently represent a straight-chain, branched or cyclic, saturated or unsaturated hydrocarbon group having 1 to 22 carbon atoms and may be attached directly to the aromatic ring without through X1 or X2;
- R3 represents a hydrogen atom, a cyano group, a nitro group, or a methyl group;
- X1 represents a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, or —CH2— group;
- X2 represents an oxygen atom, a sulfur atom, or a —CO—, —CO—, —COO—, —N═CH—, —CONH—, —NH—, —NHCO—, or —CH2— group;
- and Z represents a —N═N—, —CH═N—, —CH2S—, or —CH═CH— group comprising the step of reacting a compound represented by the following general formula (3) with a compound represented by the following general formula (4):
- wherein R1, R2, R3, X1, and X2 are as defined above;
- and Y1 and Y2 are respectively groups which are reacted with each other to form a —COO—, —OCO—, —N═N—, —CH═N—, —CH2S—, —CH═CH—, or —C≡C— group.
An image display device comprising a liquid crystalline compound represented by the following general formula (II):
- wherein R1 and R2 each independently represent a straight-chain, branched or cyclic, saturated or unsaturated hydrocarbon group having 1 to 22 carbon atoms and may be attached directly to the aromatic ring without through X1 or X2;
- R3 represents a hydrogen atom, a cyano group, a nitro group, or a methyl group;
- X1 represents a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, or —CH2— group;
- X2 represents an oxygen atom, a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, —NHCO—, or —CH2— group;
- and Z represents a —N═N—, —CH═N—, —CH2S—, or —CH═CH— group in a drive path.
An electroluminescence device comprising a liquid crystalline compound represented by the following general formula (II):
- wherein R1 and R2 each independently represent a straight-chain, branched or cyclic, saturated or unsaturated hydrocarbon group having 1 to 22 carbon atoms and may be attached directly to the aromatic ring without through X1 or X2;
- R3 represents a hydrogen atom, a cyano group, a nitro group, or a methyl group;
- X1 represents a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, or —CH2— group;
- X2 represents an oxygen atom, a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, —NHCO—, or —CH2— group;
- and Z represents a —N═N—, —CH═N—, —CH2S—, or —CH═CH— group in a drive path.
A photoconductor comprising a liquid crystalline compound represented by the following general formula (II):
- wherein R1 and R2 each independently represent a straight-chain, branched or cyclic, saturated or unsaturated hydrocarbon group having 1 to 22 carbon atoms and may be attached directly to the aromatic ring without through X1 or X2;
- R3 represents a hydrogen atom, a cyano group, a nitro group, or a methyl group;
- X1 represents a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, or —CH2— group;
- X2 represents an oxygen atom, a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, —NHCO—, or —CH2— group;
- and Z represents a —N═N—, —CH═N—, —CH2S—, or —CH═CH— group in a drive path.
A space light modulating device comprising a liquid crystalline compound represented by the following general formula (II):
- wherein R1 and R2 each independently represent a straight-chain, branched or cyclic, saturated or unsaturated hydrocarbon group having 1 to 22 carbon atoms and may be attached directly to the aromatic ring without through X1 or X2;
- R3 represents a hydrogen atom, a cyano group, a nitro group, or a methyl group;
- X1 represents a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, or —CH2— group;
- X2 represents an oxygen atom, a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, —NHCO—, or —CH2— group;
- and Z represents a —N═N—, —CH═N—, —CH2S—, or —CH═CH— group in a drive path.
A thin film transistor comprising a liquid crystalline compound represented by the following general formula (II):
- wherein R1 and R2 each independently represent a straight-chain, branched or cyclic, saturated or unsaturated hydrocarbon group having 1 to 22 carbon atoms and may be attached directly to the aromatic ring without through X1 or X2;
- R3 represents a hydrogen atom, a cyano group, a nitro group, or a methyl group;
- X1 represents a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, or —CH2— group;
- X2 represents an oxygen atom, a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, —NHCO—, or —CH2— group;
- and Z represents a —N═N—, —CH═N—, —CH2S—, or —CH═CH— group in a drive path.
A sensor comprising a liquid crystalline compound represented by the following general formula (II):
- wherein R1 and R2 each independently represent a straight-chain, branched or cyclic, saturated or unsaturated hydrocarbon group having 1 to 22 carbon atoms and may be attached directly to the aromatic ring without through X1 or X2;
- R3 represents a hydrogen atom, a cyano group, a nitro group, or a methyl group;
- X1 represents a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, or —CH2— group;
- X2 represents an oxygen atom, a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, —NHCO—, or —CH2— group;
- and Z represents a —N═N—, —CH═N—, —CH2S—, or —CH═CH— group in a drive path.
An image display device comprising a liquid crystalline compound having charge transport capability and represented by the following general formula (II):
- wherein R1 and R2 each independently represent a straight-chain, branched or cyclic, saturated or unsaturated hydrocarbon group having 1 to 22 carbon atoms and may be attached directly to the aromatic ring without through X1 or X2;
- R3 represents a hydrogen atom, a cyano group, a nitro group, or a methyl group;
- X1 represents a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, or —CH2— group;
- X2 represents an oxygen atom, a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, —NHCO—, or —CH2— group;
- and Z represents a —N═N—, —CH═N—, —CH2S—, or —CH═CH— group in a drive path.
An electroluminescence device comprising a liquid crystalline compound having charge transport capability and represented by the following general formula (II):
- wherein R1 and R2 each independently represent a straight-chain, branched or cyclic, saturated or unsaturated hydrocarbon group having 1 to 22 carbon atoms and may be attached directly to the aromatic ring without through X1 or X2;
- R3 represents a hydrogen atom, a cyano group, a nitro group, or a methyl group;
- X1 represents a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, or —CH2— group;
- X2 represents an oxygen atom, a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, —NHCO—, or —CH2— group;
- and Z represents a —N═N—, —CH═N—, —CH2S—, or —CH═CH— group in a drive path.
A photoconductor comprising a liquid crystalline compound having charge transport capability and represented by the following general formula (II):
- wherein R1 and R2 each independently represent a straight-chain, branched or cyclic, saturated or unsaturated hydrocarbon group having 1 to 22 carbon atoms and may be attached directly to the aromatic ring without through X1 or X2;
- R3 represents a hydrogen atom, a cyano group, a nitro group, or a methyl group;
- X1 represents a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, or —CH2— group;
- X2 represents an oxygen atom, a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, —NHCO—, or —CH2— group;
- and Z represents a —N═N—, —CH═N—, —CH2S—, or —CH═CH— group in a drive path.
A space light modulating device comprising a liquid crystalline compound having charge transport capability and represented by the following general formula (II):
- wherein R1 and R2 each independently represent a straight-chain, branched or cyclic, saturated or unsaturated hydrocarbon group having 1 to 22 carbon atoms and may be attached directly to the aromatic ring without through X1 or X2;
- R3 represents a hydrogen atom, a cyano group, a nitro group, or a methyl group;
- X1 represents a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, or —CH2— group;
- X2 represents an oxygen atom, a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, —NHCO—, or —CH2— group;
- and Z represents a —N═N—, —CH═N—, —CH2S—, or —CH═CH— group in a drive path.
A thin film transistor comprising a liquid crystalline compound having charge transport capability and represented by the following general formula (II):
- wherein R1 and R2 each independently represent a straight-chain, branched or cyclic, saturated or unsaturated hydrocarbon group having 1 to 22 carbon atoms and may be attached directly to the aromatic ring without through X1 or X2;
- R3 represents a hydrogen atom, a cyano group, a nitro group, or a methyl group;
- X1 represents a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, or —CH2— group;
- X2 represents an oxygen atom, a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, —NHCO—, or —CH2— group;
- and Z represents a —N═N—, —CH═N—, —CH2S—, or —CH═CH— group in a drive path.
A sensor comprising a liquid crystalline compound having charge transport capability and represented by the following general formula (II):
- wherein R1 and R2 each independently represent a straight-chain, branched or cyclic, saturated or unsaturated hydrocarbon group having 1 to 22 carbon atoms and may be attached directly to the aromatic ring without through X1 or X2;
- R3 represents a hydrogen atom, a cyano group, a nitro group, or a methyl group;
- X1 represents a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, or —CH2— group;
- X2 represents an oxygen atom, a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, —NHCO—, or —CH2— group;
- and Z represents a —N═N—, —CH═N—, —CH2S—, or —CH═CH— group in a drive path.
Dependencies are inferred from the claim text.