WO2018193859A1 - Élément d'affichage à cristaux liquides - Google Patents

Élément d'affichage à cristaux liquides Download PDF

Info

Publication number
WO2018193859A1
WO2018193859A1 PCT/JP2018/014540 JP2018014540W WO2018193859A1 WO 2018193859 A1 WO2018193859 A1 WO 2018193859A1 JP 2018014540 W JP2018014540 W JP 2018014540W WO 2018193859 A1 WO2018193859 A1 WO 2018193859A1
Authority
WO
WIPO (PCT)
Prior art keywords
group
formula
present
preferable
independently
Prior art date
Application number
PCT/JP2018/014540
Other languages
English (en)
Japanese (ja)
Inventor
平田　真一
須藤　豪
丸山　和則
Original Assignee
Dic株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dic株式会社 filed Critical Dic株式会社
Priority to JP2018551876A priority Critical patent/JPWO2018193859A1/ja
Publication of WO2018193859A1 publication Critical patent/WO2018193859A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/12—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings at least two benzene rings directly linked, e.g. biphenyls
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/14—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a carbon chain
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/14—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a carbon chain
    • C09K19/16—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a carbon chain the chain containing carbon-to-carbon double bonds, e.g. stilbenes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/14—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a carbon chain
    • C09K19/18—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a carbon chain the chain containing carbon-to-carbon triple bonds, e.g. tolans
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/20—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/30—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/32—Non-steroidal liquid crystal compounds containing condensed ring systems, i.e. fused, bridged or spiro ring systems
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells

Definitions

  • the present invention relates to a nematic liquid crystal composition having a negative dielectric anisotropy and a liquid crystal display device using the same.
  • Liquid crystal display elements are used in various measuring instruments, automobile panels, word processors, electronic notebooks, printers, computers, televisions, watches, advertisement display boards, etc., including clocks and calculators.
  • the main characteristics required of the liquid crystal composition are (1) being stable against external stimuli such as moisture, air, heat, and light, and (2) the liquid crystal phase in the widest possible temperature range centering on room temperature.
  • the liquid crystal composition is composed of several to several tens of kinds of compounds in order to obtain the optimum values.
  • a positive composition and a negative composition are used separately.
  • examples of a display method using a liquid crystal material in which ⁇ has a negative value include ECB type, VA type, and further FFS type.
  • the VA display system is used for applications such as televisions, and is required to have a high speed and a wide viewing angle.
  • the liquid crystal composition is required to have low voltage driving, high-speed response, and a wide operating temperature range. That is, ⁇ is negative, the absolute value is large, the viscosity ( ⁇ ) is low, and a high nematic phase-isotropic liquid phase transition temperature (Tni) is required.
  • ⁇ n of the liquid crystal composition needs to be adjusted to an appropriate range in accordance with d.
  • the cell gap tends to be designed to be small. In this case, it is required to increase ⁇ n of the liquid crystal composition.
  • the problem to be solved by the present invention is to improve the response speed while sufficiently maintaining ⁇ n and ⁇ .
  • the present inventors have studied various liquid crystal compounds and various chemical substances, and found that the above problems can be solved by combining specific liquid crystal compounds, and have completed the present invention.
  • R i1 and R i2 each independently represents a hydrogen atom or an alkyl group having 1 to 12 carbon atoms, and one or two or more non-adjacent —CH 2 — in the alkyl group are each Independently substituted with —CH ⁇ CH—, —C ⁇ C—, —O—, —CO—, —COO— or OCO—, and one or two present in R i1
  • the above hydrogen atoms may be independently substituted with fluorine atoms
  • X i1 to X i8 each independently represents an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, a hydrogen atom or a halogen atom, and one of X i1 and X i2 , X Meanwhile i3 and either X i4, either one of X i5 and X i6 and X i7 and X i8 represents a hydrogen atom, A i1 and A
  • (C) represents a group selected from the group consisting of 1,4-cyclohexenylene groups, and the above groups (a) and (b) may be each independently substituted with a halogen atom or a cyano group
  • Z i1 and Z i2 are each independently —OCH 2 —, —CH 2 O—, —C 2 H 4 —, —C 4 H 8 —, —COO—, —OCO—, —CH ⁇ CH—, — CF ⁇ CF—, —CF 2 O—, —OCF 2 —, —CF 2 CF 2 —, —C ⁇ C— or a single bond
  • m i1 and m i2 each independently represents 0, 1 or 2
  • m i1 + m i2 represents 0 to 2, but when a plurality of A i1 are present in the formula, they may be the same or different And when there are a plurality of A i2 in the formula, they may be the same or different
  • R M1 and R K1 each independently represent an alkyl group having 1 to 8 carbon atoms, and one or two or more non-adjacent —CH 2 — in the alkyl group are each independently Optionally substituted by —CH ⁇ CH—, —C ⁇ C—, —O—, —CO—, —COO— or —OCO—, n M1 and n K1 each independently represent 0, 1, 2, 3 or 4;
  • a M2 and A K2 When a plurality of A M2 and A K2 are present, they may be the same or different,
  • the hydrogen atoms on the groups (d) and (e) may be each independently substituted with a cyano group, a fluorine atom or a chlorine atom
  • Z M1 , Z M2 , Z K1 and Z K2 are each independently a single bond, —CH 2 CH 2 —, — (CH 2 ) 4 —, —OCH 2 —, —CH 2 O—, —OCF 2 —, Represents —CF 2 O—, —COO—, —OCO— or —C ⁇ C—, and when there are a plurality of Z M1 and Z K1 , they may be the same or different;
  • X M1 , X M3 , X K1 and X K3 each independently represent a hydrogen atom, a chlorine atom or a fluorine atom
  • R N11 , R N12 , R N21 , R N22 , R N31 and R N32 each independently represents an alkyl group having 1 to 8 carbon atoms, and one or non-adjacent 2 in the alkyl group
  • Two or more —CH 2 — may be each independently substituted by —CH ⁇ CH—, —C ⁇ C—, —O—, —CO—, —COO— or —OCO—
  • a N11 , A N12 , A N21 , A N22 , A N31, and A N32 are each independently (f) a 1,4-cyclohexylene group (one —CH 2 — or an adjacent group present in this group).
  • (I) represents a group selected from the group consisting of 1,4-cyclohexenylene groups, and the groups (f), (g), (h) and (i) are each independently a cyano group, It may be substituted with a fluorine atom or a chlorine atom, Z N11 , Z N12 , Z N21 , Z N22 , Z N31 and Z N32 are each independently a single bond, —CH 2 CH 2 —, — (CH 2 ) 4 —, —OCH 2 —, —CH 2 O—.
  • XN21 represents a hydrogen atom or a fluorine atom
  • T N31 represents —CH 2 — or an oxygen atom
  • n N11 , n N12 , n N21 , n N22 , n N31, and n N32 each independently represent an integer of 0 to 3, but n N11 + n N12 , n N21 + n N22, and n N31 + n N32 are each independently When there are a plurality of A N11 to A N32 and Z N11 to Z N32 , they may be the same or different.
  • the present invention relates to the liquid crystal display element for mode, OCB mode, ECB mode, FFS mode or IPS mode.
  • the liquid crystal display device using the composition of the present invention can be used in a wide temperature range, can be driven at a low voltage, has high-speed response, has few display defects, and has excellent display characteristics. .
  • the liquid crystal display element of the present invention is useful for display elements such as liquid crystal TVs and monitors.
  • the liquid crystal composition of the present application exhibits a liquid crystal phase, but preferably exhibits a nematic phase at room temperature.
  • the temperature at which the phase transition to the nematic phase is preferably low. However, if T ni is increased, problems such as a slow response speed occur. Therefore, it is necessary to adjust according to the request.
  • the compound represented by the general formula (i) may be used alone or in combination of a plurality of compounds. When combining a plurality of compounds, it is preferable to combine 2, 3, 4 or 5 types.
  • the compound represented by the general formula (i) is preferably a so-called nonpolar compound having a ⁇ of around 0.
  • the number of polar groups such as halogen in the molecule is preferably 2 or less, more preferably 1 or less, and preferably not.
  • the lower limit of the preferred content of these compounds alone or with respect to the total amount of the composition of the present invention is 1%, 3%, 5%, and 7%.
  • the upper limit of the preferable content is 30%, 28%, 25%, 23%, 20%, 18%, and 15% with respect to the total amount of the composition of the present invention.
  • %, 13%, and 10% When used alone, the content is preferably low, and when two or more are combined, it is preferable to increase the content.
  • “%” means “% by mass” unless otherwise specified.
  • R i1 and R i2 each independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, or an alkenyl group having 2 to 8 carbon atoms.
  • an alkenyloxy group having 2 to 8 carbon atoms preferably a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, an alkoxy group having 1 to 5 carbon atoms, an alkenyl group having 2 to 5 carbon atoms, or the number of carbon atoms
  • An alkenyloxy group having 2 to 5 carbon atoms is preferable, and a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, or an alkenyl group having 2 to 5 carbon atoms is preferable, and a hydrogen atom, an alkyl group having 2 to 5 carbon atoms, or a carbon atom.
  • An alkenyl group having 2 to 3 carbon atoms is more preferable, and a hydrogen atom or an alkyl group having 2 to 5 carbon atoms is preferable.
  • X i1 to X i8 are each independently preferably an alkyl group having 1 to 2 carbon atoms, an alkoxy group having 1 to 2 carbon atoms, a hydrogen atom, a fluorine atom or a chlorine atom, a methyl group, a methoxy group, a hydrogen atom Or a fluorine atom is preferable and a hydrogen atom or a fluorine atom is preferable.
  • the compound represented by the general formula (i) is a compound having a dielectric anisotropy ( ⁇ ) of almost 0, both adjacent positions such as X i5 and X i6 are halogen atoms such as fluorine atoms.
  • ⁇ of the molecule becomes a negative value, which is not preferable.
  • one of X i1 and X i2 , one of X i3 and X i4 , one of X i5 and X i6 , and One of X i7 and X i8 is a hydrogen atom.
  • X i1 , X i2 , X i3 and X i4 are preferably hydrogen atoms, and X i5 , X i6 , X i7 and X i8 are all hydrogen atoms, or any three of them are hydrogen atoms.
  • X i5 , X i6 and X i7 are preferably hydrogen atoms.
  • a i1 and A i2 are each independently preferably aromatic when it is required to increase ⁇ n, preferably aliphatic for improving the response speed, and preferably have the following structure: ,
  • it represents a trans-1,4-cyclohexylene group or a 1,4-phenylene group.
  • Z i1 and Z i2 are each independently —OCH 2 —, —CH 2 O—, —C 2 H 4 —, —CH ⁇ CH—, —CF 2 O—, —OCF 2 —, —CF 2 CF 2 —, —C ⁇ C— or a single bond is preferable, —OCH 2 —, —CH 2 O—, —C 2 H 4 —, —CH ⁇ CH— or a single bond is preferable, —C 2 H 4 — or A single bond is preferable, and a single bond is preferable.
  • ni1 and m i2 each independently represents 0, 1 or 2, but m i1 + m i2 is preferably 0, 1 or 2, 0 or 1 is preferred, and 0 is preferred when the response speed is important, When importance is attached to the balance between T ni and response speed, 1 is preferable.
  • the compound represented by the general formula (i) is preferably a compound represented by the general formulas (i-1.1) to (i-3.12), and the general formulas (i-1.1) and (i- 2.1), (i-2.3), (i-2.6), (i-2.7), (i-2.9), (i-2.10), (i-3.
  • the compounds represented by 1), (i-3.2), (i-3.5) and (i-3.6) are preferred, and are represented by the general formulas (i-1.1), (i-2.1) ), (I-2.3), (i-2.6) and (i-2.9) are preferred.
  • R i1 , R i2 and X i1 to X i8 represent the same meanings as R i1 , R i2 and X i1 to X i8 in general formula (i), respectively).
  • the lower limit of the preferable content of these compounds alone or with respect to the total amount is 1%, 3%, 5%, and 7%.
  • the upper limit of the preferable content is 30%, 28%, 25%, 23%, 20%, 18%, and 15% with respect to the total amount of the composition of the present invention. %, 13%, and 10%.
  • the content is preferably low, and when two or more are combined, it is preferable to increase the content.
  • composition of the present invention preferably contains one or more compounds selected from the compounds represented by formulas (N-1), (N-2) and (N-3). These compounds correspond to dielectrically negative compounds (the sign of ⁇ is negative and the absolute value is greater than 2).
  • R N11 , R N12 , R N21 , R N22 , R N31 and R N32 each independently represents an alkyl group having 1 to 8 carbon atoms, and one or non-adjacent 2 in the alkyl group
  • Two or more —CH 2 — may be each independently substituted by —CH ⁇ CH—, —C ⁇ C—, —O—, —CO—, —COO— or —OCO—
  • a N11 , A N12 , A N21 , A N22 , A N31, and A N32 are each independently (a) a 1,4-cyclohexylene group (one —CH 2 — or adjacent to each other in this group).
  • —CH 2 — may be replaced by —O—
  • (D) represents a group selected from the group consisting of 1,4-cyclohexenylene groups, and the groups (a), (b), (c) and (d) are each independently a cyano group, It may be substituted with a fluorine atom or a chlorine atom, Z N11 , Z N12 , Z N21 , Z N22 , Z N31 and Z N32 are each independently a single bond, —CH 2 CH 2 —, — (CH 2 ) 4 —, —OCH 2 —, —CH 2 O—.
  • XN21 represents a hydrogen atom or a fluorine atom
  • T N31 represents —CH 2 — or an oxygen atom
  • n N11 , n N12 , n N21 , n N22 , n N31, and n N32 each independently represent an integer of 0 to 3, but n N11 + n N12 , n N21 + n N22, and n N31 + n N32 are each independently When there are a plurality of A N11 to A N32 and Z N11 to Z N32 , they may be the same or different.
  • the compounds represented by the general formulas (N-1), (N-2) and (N-3) are preferably compounds having a negative ⁇ and an absolute value larger than 3.
  • R N11 , R N12 , R N21 , R N22 , R N31 and R N32 each independently represent 1 to 8 carbon atoms.
  • An alkyl group having 1 to 8 carbon atoms, an alkenyl group having 2 to 8 carbon atoms, or an alkenyloxy group having 2 to 8 carbon atoms preferably an alkyl group having 1 to 5 carbon atoms.
  • An alkoxy group having 1 to 5 carbon atoms, an alkenyl group having 2 to 5 carbon atoms or an alkenyloxy group having 2 to 5 carbon atoms is preferable, and an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms is preferable.
  • an alkyl group having 2 to 5 carbon atoms or an alkenyl group having 2 to 3 carbon atoms is more preferable, and an alkenyl group having 3 carbon atoms (propenyl group
  • the ring structure to which it is bonded is a phenyl group (aromatic)
  • An alkenyl group having 4 to 5 atoms is preferable
  • the ring structure to which the alkenyl group is bonded is a saturated ring structure such as cyclohexane, pyran and dioxane
  • a straight-chain alkoxy group having 1 to 4 carbon atoms and a straight-chain alkenyl group having 2 to 5 carbon atoms are preferred.
  • the total of carbon atoms and oxygen atoms, if present is preferably 5 or less, and is preferably linear.
  • the alkenyl group is preferably selected from groups represented by any of the formulas (R1) to (R5). (The black dots in each formula represent carbon atoms in the ring structure.)
  • a N11 , A N12 , A N21 , A N22 , A N31, and A N32 are preferably aromatic when it is required to increase ⁇ n independently, and in order to improve the response speed, fat
  • fat Preferably a trans-1,4-cyclohexylene group, 1,4-phenylene group, 2-fluoro-1,4-phenylene group, 3-fluoro-1,4-phenylene group, 3,5 -Difluoro-1,4-phenylene group, 2,3-difluoro-1,4-phenylene group, 1,4-cyclohexenylene group, 1,4-bicyclo [2.2.2] octylene group, piperidine-1 , 4-diyl group, naphthalene-2,6-diyl group, decahydronaphthalene-2,6-diyl group or 1,2,3,4-tetrahydronaphthalene-2,6-diyl group Preferred, it is more preferable that represents the following
  • it represents a trans-1,4-cyclohexylene group, a 1,4-cyclohexenylene group or a 1,4-phenylene group.
  • Z N11, Z N12, Z N21 , Z N22, Z N31 and Z N32 -CH 2 each independently O -, - CF 2 O - , - CH 2 CH 2 -, - CF 2 CF 2 - or a single bond preferably represents an, -CH 2 O -, - CH 2 CH 2 - or a single bond is more preferable, -CH 2 O-or a single bond is particularly preferred.
  • XN21 is preferably a fluorine atom.
  • T N31 is preferably an oxygen atom.
  • n N11 + n N12 , n N21 + n N22 and n N31 + n N32 are preferably 1 or 2, a combination in which n N11 is 1 and n N12 is 0, a combination in which n N11 is 2 and n N12 is 0, n A combination in which N11 is 1 and n N12 is 1, a combination in which n N11 is 2 and n N12 is 1, a combination in which n N21 is 1 and n N22 is 0, n N21 is 2 and n N22 is n A combination in which n N31 is 1 and n N32 is 0, and a combination in which n N31 is 2 and n N32 is 0 are preferable.
  • the lower limit of the preferable content of the compound represented by the formula (N-1) with respect to the total amount of the composition of the present invention is 1%, 10%, 20%, 30% , 40%, 50%, 55%, 60%, 65%, 70%, 75%, and 80%.
  • the upper limit of the preferred content is 95%, 85%, 75%, 65%, 55%, 45%, 35%, 25%, 20% It is.
  • the lower limit of the preferable content of the compound represented by the formula (N-2) with respect to the total amount of the composition of the present invention is 1%, 10%, 20%, 30% , 40%, 50%, 55%, 60%, 65%, 70%, 75%, and 80%.
  • the upper limit of the preferred content is 95%, 85%, 75%, 65%, 55%, 45%, 35%, 25%, 20% It is.
  • the lower limit of the preferable content of the compound represented by the formula (N-3) with respect to the total amount of the composition of the present invention is 1%, 10%, 20%, 30% , 40%, 50%, 55%, 60%, 65%, 70%, 75%, and 80%.
  • the upper limit of the preferred content is 95%, 85%, 75%, 65%, 55%, 45%, 35%, 25%, 20% It is.
  • the above lower limit value is preferably low and the upper limit value is preferably low. Furthermore, when the composition of the present invention keeps Tni high and a composition having good temperature stability is required, the above lower limit value is preferably low and the upper limit value is preferably low. When it is desired to increase the dielectric anisotropy in order to keep the driving voltage low, it is preferable that the above lower limit value is increased and the upper limit value is high.
  • Examples of the compound represented by the general formula (N-1) include compounds represented by the following general formulas (N-1a) to (N-1g).
  • R N11 and R N12 represent the same meaning as R N11 and R N12 in formula (N-1), n Na11 represents 0 or 1, n Nb11 represents 1 or 2, and n Nc11 represents Represents 0 or 1, n Nd11 represents 1 or 2, n Ne11 represents 1 or 2, n Nf11 represents 1 or 2, n Ng11 represents 1 or 2, A Ne11 represents trans-1,4 -Represents a cyclohexylene group or a 1,4-phenylene group, and A Ng11 represents a trans-1,4-cyclohexylene group, a 1,4-cyclohexenylene group or a 1,4-phenylene group, but at least one Represents a 1,4-cyclohexenylene group, and Z Ne 11 represents a single bond or ethylene, but at least one represents ethylene.
  • the compound represented by the general formula (N-1) is a compound selected from the group of compounds represented by the general formulas (N-1-1) to
  • the compound represented by the general formula (N-1-1) is the following compound.
  • R N111 and R N112 each independently represent the same meaning as R N11 and R N12 in General Formula (N).
  • R N111 is preferably an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms, preferably a propyl group, a pentyl group or a vinyl group.
  • RN112 is preferably an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 4 to 5 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms, and preferably an ethoxy group or a butoxy group.
  • the compound represented by the general formula (N-1-1) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (N-1-1) with respect to the total amount of the composition of the present invention is 5%, 10%, 13%, 15% 17%, 20%, 23%, 25%, 27%, 30%, 33%, 35%.
  • the upper limit of the preferable content is 50%, 40%, 38%, 35%, 33%, 30%, and 28% with respect to the total amount of the composition of the present invention. %, 25%, 23%, 20%, 18%, 15%, 13%, 10%, 8%, 7%, 6% %, 5%, 3%.
  • the compound represented by the general formula (N-1-1) is a compound selected from the group of compounds represented by the formula (N-1-1.1) to the formula (N-1-1.23).
  • it is a compound represented by the formulas (N-1-1.1) to (N-1-1.4), and the formula (N-1-1.1) and the formula (N
  • the compound represented by -1-1.3) is preferable.
  • the compounds represented by formulas (N-1-1.1) to (N-1-1.22) can be used alone or in combination.
  • the lower limit of the preferred content of these compounds alone or with respect to the total amount is 5%, 10%, 13%, 15%, 17%, 20%, 23% 25% 27% 30% 33% 35%
  • the upper limit of the preferable content is 50%, 40%, 38%, 35%, 33%, 30%, and 28% with respect to the total amount of the composition of the present invention. %, 25%, 23%, 20%, 18%, 15%, 13%, 10%, 8%, 7%, 6% %, 5%, 3%.
  • the compound represented by the general formula (N-1-2) is the following compound.
  • R N121 and R N122 each independently represent the same meaning as R N11 and R N12 in General Formula (N).
  • RN121 is preferably an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms, and preferably an ethyl group, a propyl group, a butyl group or a pentyl group.
  • RN122 is preferably an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 4 to 5 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms, and includes a methyl group, a propyl group, a methoxy group, an ethoxy group, or a propoxy group. preferable.
  • the compound represented by the general formula (N-1-2) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (N-1-2) with respect to the total amount of the composition of the present invention is 5%, 7%, 10%, 13% 15%, 17%, 20%, 23%, 25%, 27%, 30%, 33%, 35%, 37% 40% and 42%.
  • the upper limit of the preferable content is 50%, 48%, 45%, 43%, 40%, 38%, and 35% with respect to the total amount of the composition of the present invention. %, 33%, 30%, 28%, 25%, 23%, 20%, 18%, 15%, 13%, 10% %, 8%, 7%, 6%, 5%.
  • the compound represented by the general formula (N-1-2) is a compound selected from the group of compounds represented by the formula (N-1-2.1) to the formula (N-1-2.22). It is preferable that the formula (N-1-2.3) to the formula (N-1-2.7), the formula (N-1-2.10), the formula (N-1-2.11), the formula A compound represented by formula (N-1-2.13) and formula (N-1-2.20) is preferred.
  • formula (N-1-2.3) is preferably a compound represented by the formula (N-1-2.7) from when emphasizing improvements in T NI formula (N-1-2.10), formula (N-1-2.11) And a compound represented by the formula (N-1-2.13), and when emphasizing improvement in response speed, the compound represented by the formula (N-1-2.20) Is preferred.
  • the compounds represented by formula (N-1-2.1) to formula (N-1-2.22) can be used alone or in combination.
  • the lower limit of the preferable content of these compounds alone or with respect to the total amount of is 5%, 10%, 13%, 15%, 17%, 20%, 23 %, 25%, 27%, 30%, 33%, and 35%.
  • the upper limit of the preferable content is 50%, 40%, 38%, 35%, 33%, 30%, and 28% with respect to the total amount of the composition of the present invention. %, 25%, 23%, 20%, 18%, 15%, 13%, 10%, 8%, 7%, 6% %, 5%, 3%.
  • the compound represented by the general formula (N-1-3) is the following compound.
  • R N131 and R N132 each independently represent the same meaning as R N11 and R N12 in General Formula (N).
  • R N131 is preferably an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms, and preferably an ethyl group, a propyl group or a butyl group.
  • R N132 is preferably an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 3 to 5 carbon atoms or an alkoxy group having 1 to 4 carbon atoms, and preferably a 1-propenyl group, an ethoxy group, a propoxy group or a butoxy group. .
  • the compound represented by the general formula (N-1-3) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (N-1-3) with respect to the total amount of the composition of the present invention is 5%, 10%, 13%, 15% 17% and 20%.
  • the upper limit of the preferable content is 35%, 30%, 28%, 25%, 23%, 20%, and 18% with respect to the total amount of the composition of the present invention. %, 15%, and 13%.
  • the compound represented by the general formula (N-1-3) is a compound selected from the group of compounds represented by the formula (N-1-3.1) to the formula (N-1-3.21). It is preferably a compound represented by the formulas (N-1-3.1) to (N-1-3.7) and the formula (N-1-3.21). -1-3.1), formula (N-1-3.2), formula (N-1-3.3), formula (N-1-3.4) and formula (N-1-3.6) ) Is preferred.
  • the compound represented by the general formula (N-1-4) is the following compound.
  • R N141 and R N142 each independently represents the same meaning as R N11 and R N12 in the general formula (N).
  • R N141 and R N142 are each independently an alkyl group having 1 to 5 carbon atoms, an alkenyl group or an alkoxy group having 1 to 4 carbon atoms carbon atoms 4-5 preferably a methyl group, a propyl group, an ethoxy Group or butoxy group is preferred.
  • the compound represented by the general formula (N-1-4) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (N-1-4) with respect to the total amount of the composition of the present invention is 3%, 5%, 7%, 10% 13%, 15%, 17%, 20%.
  • the upper limit of the preferable content is 35%, 30%, 28%, 25%, 23%, 20%, and 18% with respect to the total amount of the composition of the present invention. %, 15%, 13%, 11%, 10%, and 8%.
  • the compound represented by the general formula (N-1-4) is a compound selected from the group of compounds represented by the formula (N-1-4.1) to the formula (N-1-4.14).
  • it is a compound represented by the formulas (N-1-4.1) to (N-1-4.4), and the formula (N-1-4.1) and the formula (N -1-4.2) and compounds represented by formula (N-1-4.4) are preferred.
  • the compounds represented by the formulas (N-1-4.1) to (N-1-4.14) can be used alone or in combination, but the compounds of the present invention
  • the lower limit of the preferable content of these compounds alone or with respect to the total amount is 3%, 5%, 7%, 10%, 13%, 15%, 17% And 20%.
  • the upper limit of the preferable content is 35%, 30%, 28%, 25%, 23%, 20%, and 18% with respect to the total amount of the composition of the present invention. %, 15%, 13%, 11%, 10%, and 8%.
  • the compound represented by the general formula (N-1-5) is the following compound.
  • R N151 and R N152 each independently represent the same meaning as R N11 and R N12 in General Formula (N).
  • R N151 and R N152 are each independently an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 4 to 5 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms, and preferably an ethyl group, a propyl group, or a butyl group. Is preferred.
  • the compound represented by the general formula (N-1-5) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (N-1-5) with respect to the total amount of the composition of the present invention is 5%, 8%, 10%, 13% 15%, 17%, 20%.
  • the upper limit of the preferable content is 35%, 33%, 30%, 28%, 25%, 23%, and 20% with respect to the total amount of the composition of the present invention. %, 18%, 15% and 13%.
  • the compound represented by the general formula (N-1-5) is a compound selected from the group of compounds represented by the formula (N-1-5.1) to the formula (N-1-5.6). It is preferable that the compound represented by formula (N-1-5.1), formula (N-1-5.2) and formula (N-1-5.4) is preferable.
  • the compounds represented by formula (N-1-5.1), formula (N-1-5.2) and formula (N-1-5.4) may be used alone or in combination.
  • the lower limit of the preferred content of these compounds alone or with respect to the total amount of the composition of the present invention is 5%, 8%, 10%, 13%, 15%, 17% and 20%.
  • the upper limit of the preferable content is 35%, 33%, 30%, 28%, 25%, 23%, and 20% with respect to the total amount of the composition of the present invention. %, 18%, 15% and 13%.
  • the compound represented by the general formula (N-1-10) is the following compound.
  • R N1101 and R N1102 each independently represent the same meaning as R N11 and R N12 in General Formula (N).
  • R N1101 is preferably an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms, and preferably an ethyl group, a propyl group, a butyl group, a vinyl group or a 1-propenyl group.
  • R N1102 is preferably an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 4 to 5 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms, and preferably an ethoxy group, a propoxy group, or a butoxy group.
  • the compound represented by the general formula (N-1-10) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (N-1-10) with respect to the total amount of the composition of the present invention is 5%, 10%, 13%, 15% 17% and 20%.
  • the upper limit of the preferable content is 35%, 30%, 28%, 25%, 23%, 20%, and 18% with respect to the total amount of the composition of the present invention. %, 15%, and 13%.
  • the compound represented by the general formula (N-1-10) is a compound selected from the group of compounds represented by the formula (N-1-10.1) to the formula (N-1-10.21). It is preferable that they are represented by formulas (N-1-10.1) to (N-1-10.5), formula (N-1-10.20) and formula (N-1-10.21).
  • the compound is preferably a compound of formula (N-1-10.1), formula (N-1-10.2), formula (N-1-10.20) and formula (N-1-10.21). The compound represented by these is preferable.
  • the compounds represented by formula (N-1-10.1), formula (N-1-10.2), formula (N-1-10.20) and formula (N-1-10.21) are singly Can be used in combination or in combination, but the lower limit of the preferred content of these compounds alone or with respect to the total amount of the composition of the present invention is 5%, 10% 13%, 15%, 17%, 20%.
  • the upper limit of the preferable content is 35%, 30%, 28%, 25%, 23%, 20%, and 18% with respect to the total amount of the composition of the present invention. %, 15%, and 13%.
  • the compound represented by the general formula (N-1-11) is the following compound.
  • R N1111 and R N1112 each independently represent the same meaning as R N11 and R N12 in General Formula (N).
  • R N1111 is preferably an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms, and preferably an ethyl group, a propyl group, a butyl group, a vinyl group or a 1-propenyl group.
  • R N1112 is preferably an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 4 to 5 carbon atoms or an alkoxy group having 1 to 4 carbon atoms, and preferably an ethoxy group, a propoxy group or a butoxy group.
  • the compound represented by the general formula (N-1-11) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (N-1-11) with respect to the total amount of the composition of the present invention is 5%, 10%, 13%, 15% 17% and 20%.
  • the upper limit of the preferable content is 35%, 30%, 28%, 25%, 23%, 20%, and 18% with respect to the total amount of the composition of the present invention. %, 15%, and 13%.
  • the compound represented by the general formula (N-1-11) is a compound selected from the group of compounds represented by the formula (N-1-11.1) to the formula (N-1-11.15).
  • it is a compound represented by the formulas (N-1-11.1) to (N-1-11.15), and is preferably a compound represented by the formula (N-1-11.2) or the formula (N-- The compound represented by 1-11.4) is preferable.
  • the compounds represented by the formula (N-1-11.2) and the formula (N-1-11.4) can be used alone or in combination.
  • the lower limit of the preferable content of these compounds alone or with respect to the total amount is 5%, 10%, 13%, 15%, 17%, and 20%.
  • the upper limit of the preferable content is 35%, 30%, 28%, 25%, 23%, 20%, and 18% with respect to the total amount of the composition of the present invention. %, 15%, and 13%.
  • the compound represented by the general formula (N-1-12) is the following compound.
  • R N1121 and R N1122 each independently represent the same meaning as R N11 and R N12 in General Formula (N).
  • RN1121 is preferably an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms, and preferably an ethyl group, a propyl group or a butyl group.
  • RN1122 is preferably an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 4 to 5 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms, and preferably an ethoxy group, a propoxy group, or a butoxy group.
  • the compound represented by the general formula (N-1-12) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (N-1-12) with respect to the total amount of the composition of the present invention is 5%, 10%, 13%, 15% 17% and 20%.
  • the upper limit of the preferable content is 35%, 30%, 28%, 25%, 23%, 20%, and 18% with respect to the total amount of the composition of the present invention. %, 15%, and 13%.
  • the compound represented by the general formula (N-1-13) is the following compound.
  • R N1131 and R N1132 each independently represent the same meaning as R N11 and R N12 in General Formula (N).
  • R N1131 is preferably an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms, and preferably an ethyl group, a propyl group or a butyl group.
  • R N1132 is preferably an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 4 to 5 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms, and preferably an ethoxy group, a propoxy group, or a butoxy group.
  • the compound represented by the general formula (N-1-13) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (N-1-13) with respect to the total amount of the composition of the present invention is 5%, 10%, 13%, 15% 17% and 20%.
  • the upper limit of the preferable content is 35%, 30%, 28%, 25%, 23%, 20%, and 18% with respect to the total amount of the composition of the present invention. %, 15%, and 13%.
  • the compound represented by the general formula (N-1-14) is the following compound.
  • R N1141 and R N1142 each independently represent the same meaning as R N11 and R N12 in formula (N).
  • R N1141 is preferably an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms, and preferably an ethyl group, a propyl group or a butyl group.
  • R N1142 is preferably an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 4 to 5 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms, and preferably an ethoxy group, a propoxy group, or a butoxy group.
  • the compound represented by the general formula (N-1-14) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (N-1-14) with respect to the total amount of the composition of the present invention is 5%, 10%, 13%, 15% 17% and 20%.
  • the upper limit of the preferable content is 35%, 30%, 28%, 25%, 23%, 20%, and 18% with respect to the total amount of the composition of the present invention. %, 15%, and 13%.
  • the compound represented by the general formula (N-1-15) is the following compound.
  • R N1151 and R N1152 each independently represent the same meaning as R N11 and R N12 in General Formula (N).
  • RN1151 is preferably an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms, and preferably an ethyl group, a propyl group or a butyl group.
  • R N1152 is preferably an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 4 to 5 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms, and preferably an ethoxy group, a propoxy group, or a butoxy group.
  • the compound represented by the general formula (N-1-15) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (N-1-15) with respect to the total amount of the composition of the present invention is 5%, 10%, 13%, 15% 17% and 20%.
  • the upper limit of the preferable content is 35%, 30%, 28%, 25%, 23%, 20%, and 18% with respect to the total amount of the composition of the present invention. %, 15%, and 13%.
  • the compound represented by the general formula (N-1-16) is the following compound.
  • R N1161 and R N1162 each independently represent the same meaning as R N11 and R N12 in General Formula (N).
  • R N1161 is preferably an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms, and preferably an ethyl group, a propyl group or a butyl group.
  • R N1162 is preferably an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 4 to 5 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms, and preferably an ethoxy group, a propoxy group, or a butoxy group.
  • the compound represented by the general formula (N-1-16) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (N-1-16) with respect to the total amount of the composition of the present invention is 5%, 10%, 13%, 15% 17% and 20%.
  • the upper limit of the preferable content is 35%, 30%, 28%, 25%, 23%, 20%, and 18% with respect to the total amount of the composition of the present invention. %, 15%, and 13%.
  • the compound represented by the general formula (N-1-17) is the following compound.
  • R N1171 and R N1172 each independently represent the same meaning as R N11 and R N12 in General Formula (N)).
  • RN1171 is preferably an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms, and preferably an ethyl group, a propyl group or a butyl group.
  • R N1172 is preferably an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 4 to 5 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms, and preferably an ethoxy group, a propoxy group, or a butoxy group.
  • the compound represented by the general formula (N-1-17) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (N-1-17) with respect to the total amount of the composition of the present invention is 5%, 10%, 13%, 15% 17% and 20%.
  • the upper limit of the preferable content is 35%, 30%, 28%, 25%, 23%, 20%, and 18% with respect to the total amount of the composition of the present invention. %, 15%, and 13%.
  • the compound represented by the general formula (N-1-18) is the following compound.
  • R N1181 and R N1182 each independently represent the same meaning as R N11 and R N12 in General Formula (N)).
  • RN1181 is preferably an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms, preferably a methyl group, an ethyl group, a propyl group or a butyl group.
  • R N1182 is preferably an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 4 to 5 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms, and preferably an ethoxy group, a propoxy group, or a butoxy group.
  • the compound represented by the general formula (N-1-18) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (N-1-18) with respect to the total amount of the composition of the present invention is 5%, 10%, 13%, 15% 17% and 20%.
  • the upper limit of the preferable content is 35%, 30%, 28%, 25%, 23%, 20%, and 18% with respect to the total amount of the composition of the present invention. %, 15%, and 13%.
  • the compound represented by the general formula (N-1-18) is a compound selected from the group of compounds represented by the formula (N-18.1) to the formula (N-1-18.5).
  • it is a compound represented by the formulas (N-18.1. 1) to (N-1-11.3), and is preferably a compound represented by the formula (N-1-18.2) or the formula (N- The compound represented by 1-18.3) is preferred.
  • the compound represented by the general formula (N-1-20) is the following compound.
  • R N1201 and R N1202 each independently represent the same meaning as R N11 and R N12 in formula (N)).
  • R N1201 and R N1202 are each independently preferably an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms, and preferably an ethyl group, a propyl group or a butyl group.
  • the compound represented by the general formula (N-1-20) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (N-1-20) with respect to the total amount of the composition of the present invention is 5%, 10%, 13%, 15% 17% and 20%.
  • the upper limit of the preferable content is 35%, 30%, 28%, 25%, 23%, 20%, and 18% with respect to the total amount of the composition of the present invention. %, 15%, and 13%.
  • the compound represented by the general formula (N-1-21) is the following compound.
  • R N1211 and R N1212 each independently represent the same meaning as R N11 and R N12 in General Formula (N).
  • R N1211 and R N1212 are each independently preferably an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms, and preferably an ethyl group, a propyl group or a butyl group.
  • the compound represented by the general formula (N-1-21) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (N-1-21) with respect to the total amount of the composition of the present invention is 5%, 10%, 13%, 15% 17% and 20%.
  • the upper limit of the preferable content is 35%, 30%, 28%, 25%, 23%, 20%, and 18% with respect to the total amount of the composition of the present invention. %, 15%, and 13%.
  • the compound represented by the general formula (N-1-22) is the following compound.
  • R N1221 and R N1222 each independently represent the same meaning as R N11 and R N12 in General Formula (N)).
  • R N1221 and R N1222 are each independently preferably an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms, and preferably an ethyl group, a propyl group, or a butyl group.
  • the compound represented by the general formula (N-1-22) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (N-1-21) with respect to the total amount of the composition of the present invention is 1%, 5%, 10%, 13% 15%, 17% and 20%.
  • the upper limit of the preferable content is 35%, 30%, 28%, 25%, 23%, 20%, and 18% with respect to the total amount of the composition of the present invention. %, 15%, 13%, 10%, 5%.
  • the compound represented by the general formula (N-1-22) is a compound selected from the group of compounds represented by the formula (N-1-22.1) to the formula (N-1-22.12).
  • it is a compound represented by formulas (N-1-22.1) to (N-1-22.5), and preferably represented by formulas (N-1-22.1) to (N- The compound represented by 1-22.4) is preferred.
  • the compound represented by the general formula (N-3) is preferably a compound selected from the group of compounds represented by the general formula (N-3-2).
  • R N321 and R N322 each independently represent the same meaning as R N11 and R N12 in General Formula (N).
  • R N321 and R N322 are preferably an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms, and preferably a propyl group or a pentyl group.
  • the compound represented by the general formula (N-3-2) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (N-3-2) with respect to the total amount of the composition of the present invention is 3%, 5%, 10%, 13% , 15%, 17%, 20%, 23%, 25%, 27%, 30%, 33%, and 35%.
  • the upper limit of the preferable content is 50%, 40%, 38%, 35%, 33%, 30%, and 28% with respect to the total amount of the composition of the present invention. %, 25%, 23%, 20%, 18%, 15%, 13%, 10%, 8%, 7%, 6% % And 5%.
  • the compound represented by the general formula (N-3-2) is a compound selected from the group of compounds represented by the formula (N-3-2.1) to the formula (N-3-2.3). Preferably there is.
  • the liquid crystal composition of the present invention preferably contains one or more compounds represented by the general formula (L).
  • the compound represented by the general formula (L) corresponds to a dielectrically neutral compound ( ⁇ value is ⁇ 2 to 2).
  • the number of polar groups such as halogen in the molecule is preferably 2 or less, preferably 1 or less, and preferably not included.
  • R L1 and R L2 each independently represents an alkyl group having 1 to 8 carbon atoms, and one or two or more non-adjacent —CH 2 — in the alkyl group are each independently Optionally substituted by —CH ⁇ CH—, —C ⁇ C—, —O—, —CO—, —COO— or —OCO—, n L1 represents 0, 1, 2 or 3,
  • a L1 , A L2 and A L3 each independently represent (a) a 1,4-cyclohexylene group (one —CH 2 — present in the group or two or more —CH 2 — not adjacent to each other).
  • the group (a), the group (b) and the group (c) may be each independently substituted with a cyano group, a fluorine atom or a chlorine atom
  • n L1 is 2 or 3
  • a plurality of A L2 are present, they may be the same or different, and when n L1 is 2 or 3, and a plurality of Z L3 are present, May be the same or different, but excludes compounds represented by general formulas (i), (N-1), (N-2) and (N-3).
  • the compound represented by general formula (L) may be used independently, it can also be used in combination.
  • the types of compounds that can be combined but they are used in appropriate combinations according to desired properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention.
  • the content of the compound represented by the general formula (L) is low-temperature solubility, transition temperature, electrical reliability, birefringence, process compatibility, dripping marks, image sticking, It is necessary to appropriately adjust according to required performance such as dielectric anisotropy.
  • the lower limit of the preferable content of the compound represented by the formula (L) with respect to the total amount of the composition of the present invention is 1%, 10%, 20%, 30%, 40 %, 50%, 55%, 60%, 65%, 70%, 75%, 80%.
  • the upper limit of the preferable content is 95%, 85%, 75%, 65%, 55%, 45%, 35%, and 25%.
  • the above lower limit value is preferably high and the upper limit value is preferably high. Furthermore, when the composition of the present invention maintains a high Tni and requires a composition having good temperature stability, the above lower limit value is preferably high and the upper limit value is preferably high. Further, when it is desired to increase the dielectric anisotropy in order to keep the driving voltage low, it is preferable that the above lower limit value is lowered and the upper limit value is low.
  • R L1 and R L2 are preferably both alkyl groups, and when importance is placed on reducing the volatility of the compound, it is preferably an alkoxy group, and importance is placed on viscosity reduction. In this case, at least one is preferably an alkenyl group.
  • the number of halogen atoms present in the molecule is preferably 0, 1, 2 or 3, preferably 0 or 1, and 1 is preferred when importance is attached to compatibility with other liquid crystal molecules.
  • R L1 and R L2 are each a linear alkyl group having 1 to 5 carbon atoms or a linear alkyl group having 1 to 4 carbon atoms when the ring structure to which R L1 is bonded is a phenyl group (aromatic).
  • a phenyl group aromatic
  • Alkyl groups, linear alkoxy groups having 1 to 4 carbon atoms and linear alkenyl groups having 2 to 5 carbon atoms are preferred.
  • the total of carbon atoms and oxygen atoms, if present, is preferably 5 or less, and is preferably linear.
  • the alkenyl group is preferably selected from groups represented by any of the formulas (R1) to (R5). (The black dots in each formula represent carbon atoms in the ring structure.)
  • n L1 is preferably 0 when importance is attached to the response speed, 2 or 3 is preferred for improving the upper limit temperature of the nematic phase, and 1 is preferred for balancing these. In order to satisfy the properties required for the composition, it is preferable to combine compounds having different values.
  • a L1 , A L2, and A L3 are preferably aromatic when it is required to increase ⁇ n, and are preferably aliphatic for improving the response speed, and are each independently trans- 1,4-cyclohexylene group, 1,4-phenylene group, 2-fluoro-1,4-phenylene group, 3-fluoro-1,4-phenylene group, 3,5-difluoro-1,4-phenylene group 1,4-cyclohexenylene group, 1,4-bicyclo [2.2.2] octylene group, piperidine-1,4-diyl group, naphthalene-2,6-diyl group, decahydronaphthalene-2,6 -It preferably represents a diyl group or a 1,2,3,4-tetrahydronaphthalene-2,6-diyl group, and more preferably represents the following structure:
  • it represents a trans-1,4-cyclohexylene group or a 1,4-phenylene group.
  • Z L1 and Z L2 are preferably single bonds when the response speed is important.
  • the compound represented by the general formula (L) preferably has 0 or 1 halogen atom in the molecule.
  • the compound represented by the general formula (L) is preferably a compound selected from the group of compounds represented by the general formulas (L-1) to (L-7).
  • the compound represented by the general formula (L-1) is the following compound.
  • R L11 and R L12 each independently represent the same meaning as R L1 and R L2 in the general formula (L).
  • R L11 and R L12 are preferably a linear alkyl group having 1 to 5 carbon atoms, a linear alkoxy group having 1 to 4 carbon atoms, and a linear alkenyl group having 2 to 5 carbon atoms. .
  • the compound represented by the general formula (L-1) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content is 1%, 2%, 3%, 5%, 7%, 10%, and 15% with respect to the total amount of the composition of the present invention. %, 20%, 25%, 30%, 35%, 40%, 45%, 50%, and 55%.
  • the upper limit of the preferable content is 95%, 90%, 85%, 80%, 75%, 70%, 65%, based on the total amount of the composition of the present invention. %, 60%, 55%, 50%, 45%, 40%, 35%, 30%, 25%.
  • the above lower limit value is preferably high and the upper limit value is preferably high. Furthermore, when the composition of the present invention requires a high Tni and a composition having good temperature stability, it is preferable that the lower limit value is moderate and the upper limit value is moderate. When it is desired to increase the dielectric anisotropy in order to keep the driving voltage low, it is preferable that the lower limit value is low and the upper limit value is low.
  • the compound represented by the general formula (L-1) is preferably a compound selected from the group of compounds represented by the general formula (L-1-1).
  • the compound represented by the general formula (L-1-1) is a compound selected from the group of compounds represented by the formula (L-1-1.1) to the formula (L-1-1.3). And is preferably a compound represented by formula (L-1-1.2) or formula (L-1-1.3), and particularly represented by formula (L-1-1.3). It is preferable that it is a compound.
  • the lower limit of the preferable content of the compound represented by the formula (L-1-1.3) with respect to the total amount of the composition of the present invention is 1%, 2%, 3%, 5%, 7%, and 10%.
  • the upper limit of the preferable content is 20%, 15%, 13%, 10%, 8%, 7%, and 6% with respect to the total amount of the composition of the present invention. %, 5%, 3%.
  • the compound represented by the general formula (L-1) is preferably a compound selected from the group of compounds represented by the general formula (L-1-2).
  • R L12 represents the same meaning as in general formula (L-1).
  • the lower limit of the preferable content of the compound represented by the formula (L-1-2) with respect to the total amount of the composition of the present invention is 1%, 5%, 10%, 15% 17%, 20%, 23%, 25%, 27%, 30%, 35%.
  • the upper limit of the preferable content is 60%, 55%, 50%, 45%, 42%, 40%, and 38% with respect to the total amount of the composition of the present invention. %, 35%, 33%, and 30%.
  • the compound represented by the general formula (L-1-2) is a compound selected from the group of compounds represented by the formula (L-1-2.1) to the formula (L-1-2.4).
  • it is a compound represented by the formula (L-1-2.2) to the formula (L-1-2.4).
  • the compound represented by the formula (L-1-2.2) is preferable because the response speed of the composition of the present invention is particularly improved.
  • it is preferable to use a compound represented by the formula (L-1-2.3) or the formula (L-1-2.4).
  • the content of the compounds represented by formula (L-1-2.3) and formula (L-1-2.4) is not preferably 30% or more in order to improve the solubility at low temperatures.
  • the lower limit of the preferable content of the compound represented by the formula (L-1-2.2) with respect to the total amount of the composition of the present invention is 10%, 15%, 18%, 20%, 23%, 25%, 27%, 30%, 33%, 35%, 38%, and 40%.
  • the upper limit of the preferable content is 60%, 55%, 50%, 45%, 43%, 40%, and 38% with respect to the total amount of the composition of the present invention. %, 35%, 32%, 30%, 27%, 25%, and 22%.
  • the lower limit of the preferable total content of the compound represented by the formula (L-1-1.3) and the compound represented by the formula (L-1-2.2) with respect to the total amount of the composition of the present invention The values are 10%, 15%, 20%, 25%, 27%, 30%, 35% and 40%.
  • the upper limit of the preferable content is 60%, 55%, 50%, 45%, 43%, 40%, and 38% with respect to the total amount of the composition of the present invention. %, 35%, 32%, 30%, 27%, 25%, and 22%.
  • the compound represented by the general formula (L-1) is preferably a compound selected from the group of compounds represented by the general formula (L-1-3).
  • R L13 and R L14 each independently represents an alkyl group having 1 to 8 carbon atoms or an alkoxy group having 1 to 8 carbon atoms.
  • R L13 and R L14 are preferably a linear alkyl group having 1 to 5 carbon atoms, a linear alkoxy group having 1 to 4 carbon atoms, and a linear alkenyl group having 2 to 5 carbon atoms. .
  • the lower limit of the preferable content of the compound represented by the formula (L-1-3) with respect to the total amount of the composition of the present invention is 1%, 5%, 10%, 13% 15%, 17%, 20%, 23%, 25%, 30%.
  • the upper limit of the preferable content is 60%, 55%, 50%, 45%, 40%, 37%, and 35% with respect to the total amount of the composition of the present invention. %, 33%, 30%, 27%, 25%, 23%, 23%, 20%, 17%, 15%, 13%, 10% %.
  • the compound represented by the general formula (L-1-3) is a compound selected from the group of compounds represented by the formula (L-1-3.1) to the formula (L-1-3.12).
  • the compound represented by the formula (L-1-3.1) is preferable because the response speed of the composition of the present invention is particularly improved. Further, when obtaining Tni higher than the response speed, the equation (L-1-3.3), the equation (L-1-3.4), the equation (L-1-3.11), and the equation (L ⁇ It is preferable to use a compound represented by 1-3.12). Sum of compounds represented by formula (L-1-3.3), formula (L-1-3.4), formula (L-1-3.11) and formula (L-1-3.12) The content of is not preferably 20% or more in order to improve the solubility at low temperatures.
  • the lower limit of the preferable content of the compound represented by the formula (L-1-3.1) with respect to the total amount of the composition of the present invention is 1%, 2%, 3%, 5%, 7%, 10%, 13%, 15%, 18%, 20%.
  • the upper limit of the preferable content is 20%, 17%, 15%, 13%, 10%, 8%, and 7% with respect to the total amount of the composition of the present invention. % And 6%.
  • the compound represented by the general formula (L-1) is preferably a compound selected from the group of compounds represented by the general formula (L-1-4) and / or (L-1-5).
  • R L15 and R L16 each independently represent an alkyl group having 1 to 8 carbon atoms or an alkoxy group having 1 to 8 carbon atoms.
  • R L15 and R L16 are preferably a linear alkyl group having 1 to 5 carbon atoms, a linear alkoxy group having 1 to 4 carbon atoms, and a linear alkenyl group having 2 to 5 carbon atoms. .
  • the lower limit of the preferable content of the compound represented by the formula (L-1-4) with respect to the total amount of the composition of the present invention is 1%, 5%, 10%, 13% 15%, 17%, 20%.
  • the upper limit of the preferable content is 25%, 23%, 20%, 17%, 15%, 13%, and 10% with respect to the total amount of the composition of the present invention. %.
  • the lower limit of the preferable content of the compound represented by the formula (L-1-5) with respect to the total amount of the composition of the present invention is 1%, 5%, 10%, 13% 15%, 17%, 20%.
  • the upper limit of the preferable content is 25%, 23%, 20%, 17%, 15%, 13%, and 10% with respect to the total amount of the composition of the present invention. %.
  • the compounds represented by the general formulas (L-1-4) and (L-1-5) are represented by the formulas (L-1-4.1) to (L-1-5.3).
  • a compound represented by the formula (L-1-4.2) or the formula (L-1-5.2) is preferable.
  • the lower limit of the preferable content of the compound represented by the formula (L-1-4.2) with respect to the total amount of the composition of the present invention is 1%, 2%, 3%, 5%, 7%, 10%, 13%, 15%, 18%, 20%.
  • the upper limit of the preferable content is 20%, 17%, 15%, 13%, 10%, 8%, and 7% with respect to the total amount of the composition of the present invention. % And 6%.
  • the compound represented by the general formula (L-1) is preferably a compound selected from the group of compounds represented by the general formula (L-1-6).
  • R L17 and R L18 each independently represent a methyl group or a hydrogen atom.
  • the lower limit of the preferable content of the compound represented by the formula (L-1-6) with respect to the total amount of the composition of the present invention is 1%, 5%, 10%, 15% 17%, 20%, 23%, 25%, 27%, 30%, 35%.
  • the upper limit of the preferable content is 60%, 55%, 50%, 45%, 42%, 40%, and 38% with respect to the total amount of the composition of the present invention. %, 35%, 33%, and 30%.
  • the compound represented by the general formula (L-1-6) is a compound selected from the compound group represented by the formula (L-1-6.1) to the formula (L-1-6.3). Preferably there is.
  • the compound represented by the general formula (L-2) is the following compound.
  • R L21 and R L22 each independently represent the same meaning as R L1 and R L2 in the general formula (L).
  • R L21 is preferably an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms
  • R L22 is an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 4 to 5 carbon atoms, or a carbon atom.
  • An alkoxy group of 1 to 4 is preferable.
  • the compound represented by the general formula (L-1) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (L-2) with respect to the total amount of the composition of the present invention is 1%, 2%, 3%, 5% 7% and 10%.
  • the upper limit of the preferable content is 20%, 15%, 13%, 10%, 8%, 7%, and 6% with respect to the total amount of the composition of the present invention. %, 5%, 3%.
  • the compound represented by the general formula (L-2) is preferably a compound selected from the group of compounds represented by the formulas (L-2.1) to (L-2.6).
  • a compound represented by formula (L-2.1), formula (L-2.3), formula (L-2.4) and formula (L-2.6) is preferred.
  • the compound represented by the general formula (L-3) is the following compound.
  • R L31 and R L32 each independently represent the same meaning as R L1 and R L2 in General Formula (L).
  • R L31 and R L32 are each independently preferably an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 4 to 5 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms.
  • the compound represented by the general formula (L-3) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (L-3) with respect to the total amount of the composition of the present invention is 1%, 2%, 3%, 5% 7% and 10%.
  • the upper limit of the preferable content is 20%, 15%, 13%, 10%, 8%, 7%, and 6% with respect to the total amount of the composition of the present invention. %, 5%, 3%.
  • the effect is high when the content is set to be large.
  • the effect is high when the content is set low.
  • the compound represented by the general formula (L-3) is preferably a compound selected from the group of compounds represented by the formulas (L-3.1) to (L-3.4).
  • a compound represented by the formula (L-3.7) from (L-3.2) is preferable.
  • the compound represented by the general formula (L-4) is the following compound.
  • R L41 and R L42 each independently represent the same meaning as R L1 and R L2 in General Formula (L).
  • R L41 is preferably an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms
  • R L42 is an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 4 to 5 carbon atoms, or a carbon atom.
  • An alkoxy group of 1 to 4 is preferable.
  • the compound represented by the general formula (L-4) can be used alone, or two or more compounds can be used in combination.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the content of the compound represented by the general formula (L-4) is low-temperature solubility, transition temperature, electrical reliability, birefringence, process compatibility, dripping marks, It is necessary to adjust appropriately according to required performance such as image sticking and dielectric anisotropy.
  • the lower limit of the preferable content of the compound represented by the formula (L-4) with respect to the total amount of the composition of the present invention is 1%, 2%, 3%, 5% 7%, 10%, 14%, 16%, 20%, 23%, 26%, 30%, 35%, 40% .
  • the upper limit of the preferable content of the compound represented by the formula (L-4) with respect to the total amount of the composition of the present invention is 50%, 40%, 35%, and 30%. 20%, 15%, 10%, 5%.
  • the compound represented by general formula (L-4) is preferably a compound represented by formula (L-4.1) to formula (L-4.3), for example.
  • the formula (L-4.2) Even if it contains a compound represented by formula (L-4.1), it contains both a compound represented by formula (L-4.1) and a compound represented by formula (L-4.2). Or all of the compounds represented by formulas (L-4.1) to (L-4.3) may be included.
  • the lower limit of the preferable content of the compound represented by formula (L-4.1) or formula (L-4.2) with respect to the total amount of the composition of the present invention is 3%, Yes, 7%, 9%, 11%, 12%, 13%, 18%, 21%, and the preferred upper limit is 45, 40% , 35%, 30%, 25%, 23%, 20%, 18%, 15%, 13%, 10%, 8% .
  • the amount of both compounds relative to the total amount of the composition of the present invention is The lower limit of the preferred content is 15%, 19%, 24%, and 30%, and the preferred upper limit is 45, 40%, 35%, and 30%. Yes, 25%, 23%, 20%, 18%, 15%, 13%.
  • the compound represented by the general formula (L-4) is preferably, for example, a compound represented by the formula (L-4.4) to the formula (L-4.6). It is preferable that it is a compound represented by this.
  • the formula (L -4.5) contains both the compound represented by formula (L-4.4) and the compound represented by formula (L-4.5). May be.
  • the lower limit of the preferable content of the compound represented by the formula (L-4.4) or the formula (L-4.5) with respect to the total amount of the composition of the present invention is 3%, Yes, 7%, 9%, 11%, 12%, 13%, 18%, 21%.
  • Preferred upper limit values are 45, 40%, 35%, 30%, 25%, 23%, 20%, 18%, 15%, 13% %, 10%, and 8%.
  • the amount of both compounds relative to the total amount of the composition of the present invention is The lower limit of the preferred content is 15%, 19%, 24%, and 30%, and the preferred upper limit is 45, 40%, 35%, and 30%. Yes, 25%, 23%, 20%, 18%, 15%, 13%.
  • the compound represented by the general formula (L-4) is preferably a compound represented by the formula (L-4.7) to the formula (L-4.10), and particularly the formula (L-4.
  • the compound represented by 9) is preferred.
  • the compound represented by the general formula (L-5) is the following compound.
  • R L51 and R L52 each independently represent the same meaning as R L1 and R L2 in the general formula (L).
  • R L51 is preferably an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms
  • R L52 is an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 4 to 5 carbon atoms, or a carbon atom.
  • An alkoxy group of 1 to 4 is preferable.
  • the compound represented by the general formula (L-5) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the content of the compound represented by the general formula (L-5) includes solubility at low temperature, transition temperature, electrical reliability, birefringence index, process suitability, dripping marks, It is necessary to adjust appropriately according to required performance such as image sticking and dielectric anisotropy.
  • the lower limit of the preferable content of the compound represented by the formula (L-5) with respect to the total amount of the composition of the present invention is 1%, 2%, 3%, 5% 7%, 10%, 14%, 16%, 20%, 23%, 26%, 30%, 35%, 40% .
  • the upper limit of the preferable content of the compound represented by the formula (L-5) with respect to the total amount of the composition of the present invention is 50%, 40%, 35%, and 30%. , 20%, 15%, 10%, 5%
  • the compound represented by the general formula (L-5) is represented by the formula (L-5.1) or the formula (L-5.2).
  • the compound represented by formula (L-5.1) is particularly desirable.
  • the lower limit of the preferable content of these compounds with respect to the total amount of the composition of the present invention is 1%, 2%, 3%, 5%, and 7%.
  • the upper limit of the preferable content of these compounds is 20%, 15%, 13%, 10%, and 9%.
  • the compound represented by the general formula (L-5) is preferably a compound represented by the formula (L-5.3) or the formula (L-5.4).
  • the lower limit of the preferable content of these compounds with respect to the total amount of the composition of the present invention is 1%, 2%, 3%, 5%, and 7%.
  • the upper limit of the preferable content of these compounds is 20%, 15%, 13%, 10%, and 9%.
  • the compound represented by the general formula (L-5) is preferably a compound selected from the group of compounds represented by the formulas (L-5.5) to (L-5.7).
  • the compound represented by L-5.7) is preferred.
  • the lower limit of the preferable content of these compounds with respect to the total amount of the composition of the present invention is 1%, 2%, 3%, 5%, and 7%.
  • the upper limit of the preferable content of these compounds is 20%, 15%, 13%, 10%, and 9%.
  • the compound represented by the general formula (L-6) is the following compound.
  • R L61 and R L62 each independently represent the same meaning as R L1 and R L2 in the general formula (L), and X L61 and X L62 each independently represent a hydrogen atom or a fluorine atom.
  • R L61 and R L62 are each independently preferably an alkyl group having 1 to 5 carbon atoms or an alkenyl group having 2 to 5 carbon atoms, and one of X L61 and X L62 is a fluorine atom and the other is a hydrogen atom. Is preferred.
  • the compound represented by the general formula (L-6) can be used alone, or two or more compounds can be used in combination. There are no particular restrictions on the types of compounds that can be combined, but they are used in appropriate combinations according to the required properties such as solubility at low temperatures, transition temperatures, electrical reliability, and birefringence.
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, four kinds, and five kinds or more.
  • the lower limit of the preferable content of the compound represented by the formula (L-6) with respect to the total amount of the composition of the present invention is 1%, 2%, 3%, 5% 7%, 10%, 14%, 16%, 20%, 23%, 26%, 30%, 35%, 40% .
  • the upper limit of the preferable content of the compound represented by the formula (L-6) with respect to the total amount of the composition of the present invention is 50%, 40%, 35%, and 30%. 20%, 15%, 10%, 5%.
  • the compound represented by the general formula (L-6) is preferably a compound represented by the formula (L-6.1) to the formula (L-6.9).
  • the compound represented by the general formula (L-6) is preferably, for example, a compound represented by the formula (L-6.10) to the formula (L-6.17).
  • a compound represented by L-6.11) is preferable.
  • the lower limit of the preferable content of these compounds with respect to the total amount of the composition of the present invention is 1%, 2%, 3%, 5%, and 7%.
  • the upper limit of the preferable content of these compounds is 20%, 15%, 13%, 10%, and 9%.
  • the compound represented by the general formula (L-7) is the following compound.
  • R L71 and R L72 each independently represent the same meaning as R L1 and R L2 in Formula (L), A L71 and A L72 is A L2 and in the general formula (L) independently A L3 represents the same meaning, but the hydrogen atoms on A L71 and A L72 may be each independently substituted with a fluorine atom, Z L71 represents the same meaning as Z L2 in formula (L), X L71 and X L72 each independently represent a fluorine atom or a hydrogen atom.
  • R L71 and R L72 are each independently preferably an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 2 to 5 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms, and
  • a L71 and A L72 Are each independently preferably a 1,4-cyclohexylene group or a 1,4-phenylene group, the hydrogen atoms on A L71 and A L72 may be each independently substituted with a fluorine atom, and
  • the kind of the compound used is, for example, one kind as one embodiment of the present invention, two kinds, three kinds, and four kinds.
  • the content of the compound represented by the general formula (L-7) includes solubility at low temperature, transition temperature, electrical reliability, birefringence index, process suitability, dripping marks, It is necessary to adjust appropriately according to required performance such as image sticking and dielectric anisotropy.
  • the lower limit of the preferable content of the compound represented by the formula (L-7) with respect to the total amount of the composition of the present invention is 1%, 2%, 3%, 5% 7%, 10%, 14%, 16%, 20%.
  • the upper limit of the preferable content of the compound represented by the formula (L-7) with respect to the total amount of the composition of the present invention is 30%, 25%, 23%, and 20%. 18%, 15%, 10%, 5%.
  • the content of the compound represented by formula (L-7) is preferably increased, and when an embodiment with low viscosity is desired, the content is It is preferable to reduce the amount.
  • the compound represented by the general formula (L-7) is preferably a compound represented by the formula (L-7.1) to the formula (L-7.4), and the formula (L-7. It is preferable that it is a compound represented by 2).
  • the compound represented by the general formula (L-7) is preferably a compound represented by the formula (L-7.11) to the formula (L-7.13). It is preferable that it is a compound represented by 11).
  • the compound represented by the general formula (L-7) is a compound represented by the formula (L-7.21) to the formula (L-7.23).
  • a compound represented by formula (L-7.21) is preferable.
  • the compound represented by the general formula (L-7) is preferably a compound represented by the formula (L-7.31) to the formula (L-7.34), and the formula (L-7. 31) or / and a compound represented by the formula (L-7.32).
  • the compound represented by the general formula (L-7) is preferably a compound represented by the formula (L-7.41) to the formula (L-7.44), and the formula (L-7. 41) or / and a compound represented by formula (L-7.42).
  • the compound represented by the general formula (L-7) is preferably a compound represented by the formula (L-7.51) to the formula (L-7.53).
  • the lower limit of the preferable total content of the compounds is 80%, 85%, 88%, 90%, 92%, 93%, 94%, 95% Yes, 96%, 97%, 98%, 99%, 100%.
  • the upper limit of the preferable content is 100%, 99%, 98%, and 95%.
  • the lower limit of the preferable total content of the compounds represented by the general formulas (i), (M), (N-1) and (L) with respect to the total amount of the composition of the present invention is 80%. 85%, 88%, 90%, 92%, 93%, 93%, 94%, 95%, 96%, 97%, 98% 99% and 100%.
  • the upper limit of the preferable content is 100%, 99%, 98%, and 95%.
  • the lower limit of the preferable total content of the compounds represented by the general formulas (i), (M) and (L) with respect to the total amount of the composition of the present invention is 80% and 85%, 88%, 90%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 100%.
  • the upper limit of the preferable content is 100%, 99%, 98%, and 95%.
  • the lower limit of the preferable total content of the compounds represented by the general formulas (i), (N-1) and (L) with respect to the total amount of the composition of the present invention is 80% and 85%. Yes, 88%, 90%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% Yes, 100%.
  • the upper limit of the preferable content is 100%, 99%, 98%, and 95%.
  • the lower limit of the preferable total content of the compounds represented by formulas (i), (M) and (L-1) to (L-7) with respect to the total amount of the composition of the present invention is 80% 85% 88% 90% 92% 93% 93% 94% 95% 96% 97% 97% 98% 99% and 100%.
  • the upper limit of the preferable content is 100%, 99%, 98%, and 95%.
  • the lower limit of the preferable total content of the compounds represented by the general formulas (i), (N-1) and (L-1) to (L-7) with respect to the total amount of the composition of the present invention is: 80%, 85%, 88%, 90%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% and 100%.
  • the upper limit of the preferable content is 100%, 99%, 98%, and 95%.
  • composition of the present invention preferably does not contain a compound having a structure in which oxygen atoms such as a peracid (—CO—OO—) structure are bonded in the molecule.
  • the content of the compound having a carbonyl group is preferably 5% or less, more preferably 3% or less with respect to the total mass of the composition. Preferably, it is more preferably 1% or less, and most preferably not substantially contained.
  • the content of the compound substituted with chlorine atoms is preferably 15% or less, preferably 10% or less, based on the total mass of the composition. % Or less, preferably 5% or less, more preferably 3% or less, and still more preferably substantially not contained.
  • the content of a compound in which all the ring structures in the molecule are 6-membered rings is 80 % Or more, more preferably 90% or more, still more preferably 95% or more, and the composition is composed only of a compound in which all of the ring structures in the molecule are all 6-membered rings. Most preferably.
  • the content of the compound having a cyclohexenylene group as a ring structure, and the content of the compound having a cyclohexenylene group as the total mass of the composition is preferably 10% or less, preferably 8% or less, more preferably 5% or less, preferably 3% or less, and still more preferably not contained.
  • the content of a compound having a 2-methylbenzene-1,4-diyl group in the molecule, in which a hydrogen atom may be substituted with a halogen may be reduced.
  • the content of the compound having a 2-methylbenzene-1,4-diyl group in the molecule is preferably 10% or less, more preferably 8% or less, based on the total mass of the composition. It is more preferably 5% or less, further preferably 3% or less, and still more preferably substantially not contained.
  • substantially not contained in the present application means that it is not contained except for an unintentionally contained product.
  • the alkenyl group when the compound contained in the composition of the first embodiment of the present invention has an alkenyl group as a side chain, when the alkenyl group is bonded to cyclohexane, the alkenyl group has 2 to 5 carbon atoms.
  • the alkenyl group is bonded to benzene, the number of carbon atoms of the alkenyl group is preferably 4 to 5, and the unsaturated bond of the alkenyl group and benzene are directly bonded. Preferably not.
  • the average elastic constant (K AVG ) of the liquid crystal composition used in the present invention is preferably 10 to 25, and the lower limit thereof is preferably 10, preferably 10.5, preferably 11 and preferably 11.5.
  • 12 is preferable, 12.3 is preferable, 12.5 is preferable, 12.8 is preferable, 13 is preferable, 13.3 is preferable, 13.5 is preferable, 13.8 is preferable, 14 is preferable, 14 .3 is preferred, 14.5 is preferred, 14.8 is preferred, 15 is preferred, 15.3 is preferred, 15.5 is preferred, 15.8 is preferred, 16 is preferred, 16.3 is preferred, 16 .5, 16.8 is preferable, 17 is preferable, 17.3 is preferable, 17.5 is preferable, 17.8 is preferable, and 18 is preferable.
  • 25 is preferable, 24.5 is preferable, 24 is preferable, 23.5 is preferable, 23 is preferable, 22.8 is preferable, 22.5 is preferable, 22.3 is preferable, 22 is preferable, and 21.8 is 21.5 is preferred, 21.3 is preferred, 21 is preferred, 20.8 is preferred, 20.5 is preferred, 20.3 is preferred, 20 is preferred, 19.8 is preferred, 19.5 is preferred 19.3 is preferred, 19 is preferred, 18.8 is preferred, 18.5 is preferred, 18.3 is preferred, 18 is preferred, 17.8 is preferred, 17.5 is preferred, 17.3 is preferred 17 is preferable.
  • the value of K AVG should be set low. preferable. It is preferable to set a higher value of K AVG in the case of emphasizing improved response speed.
  • the composition of the present invention may contain a polymerizable compound in order to produce a liquid crystal display element such as a PS mode, a transverse electric field type PSA mode, or a transverse electric field type PSVA mode.
  • a polymerizable compound such as a PS mode, a transverse electric field type PSA mode, or a transverse electric field type PSVA mode.
  • the polymerizable compound that can be used include a photopolymerizable monomer that undergoes polymerization by energy rays such as light.
  • the structure has a liquid crystal skeleton in which a plurality of six-membered rings such as biphenyl derivatives and terphenyl derivatives are connected. Examples thereof include a polymerizable compound. More specifically, the general formula (XX)
  • Z 201 represents —OCH 2 —, —CH 2 O—, —COO—, —OCO—, —CF 2 O—, —OCF 2 —, —CH 2 CH 2 —, —CF 2 CF 2 —, —CH ⁇ CH—COO—, —CH ⁇ CH—OCO—, —COO—CH ⁇ CH—, —OCO—CH ⁇ CH—, —COO—CH 2 CH 2 —, —OCO—CH 2 CH 2 —, —CH 2 CH 2 —COO—, —CH 2 CH 2 —, —OCO—CH 2 CH 2 —, —CH 2 CH 2 —COO—, —CH 2 CH 2 —OCO—, —COO—CH 2 CH 2 —, —OCO—CH 2 CH 2 —, —CH 2 CH 2 —COO—, —CH 2 CH 2 —OCO—, —COO—CH 2 CH 2 —, —OCO—CH 2 CH
  • X 201 and X 202 are each preferably a diacrylate derivative that represents a hydrogen atom, or a dimethacrylate derivative that has a methyl group, and a compound in which one represents a hydrogen atom and the other represents a methyl group.
  • diacrylate derivatives are the fastest, dimethacrylate derivatives are slow, asymmetric compounds are in the middle, and a preferred embodiment can be used depending on the application.
  • a dimethacrylate derivative is particularly preferable.
  • Sp 201 and Sp 202 each independently represent a single bond, an alkylene group having 1 to 8 carbon atoms, or —O— (CH 2 ) s —, but at least one of them is a single bond in a PSA display element.
  • a compound in which both represent a single bond or one in which one represents a single bond and the other represents an alkylene group having 1 to 8 carbon atoms or —O— (CH 2 ) s — is preferable.
  • 1 to 4 alkyl groups are preferable, and s is preferably 1 to 4.
  • Z 201 represents —OCH 2 —, —CH 2 O—, —COO—, —OCO—, —CF 2 O—, —OCF 2 —, —CH 2 CH 2 —, —CF 2 CF 2 — or a single bond
  • —COO—, —OCO— or a single bond is more preferred, and a single bond is particularly preferred.
  • M 201 represents a 1,4-phenylene group, a trans-1,4-cyclohexylene group or a single bond in which any hydrogen atom may be substituted by a fluorine atom, but the 1,4-phenylene group or the single bond is preferable.
  • C represents a ring structure other than a single bond
  • Z 201 is preferably a linking group other than a single bond.
  • M 201 is a single bond
  • Z 201 is preferably a single bond.
  • the ring structure between Sp 201 and Sp 202 is specifically preferably the structure described below.
  • both ends shall be bonded to Sp 201 or Sp 202.
  • the polymerizable compounds containing these skeletons are optimal for PSA-type liquid crystal display elements because of the alignment regulating power after polymerization, and a good alignment state can be obtained, so that display unevenness is suppressed or does not occur at all.
  • general formula (XX-1) to general formula (XX-4) are particularly preferable, and among them, general formula (XX-2) is most preferable.
  • benzene may be substituted with a fluorine atom
  • Sp 20 represents an alkylene group having 2 to 5 carbon atoms.
  • the polymerization proceeds even when no polymerization initiator is present, but may contain a polymerization initiator in order to accelerate the polymerization.
  • the polymerization initiator include benzoin ethers, benzophenones, acetophenones, benzyl ketals, acylphosphine oxides, and the like.
  • composition in the present invention can further contain a compound represented by the general formula (Q).
  • the hydrogen atom may be substituted with a 4-hydroxy-3,5-di-t-butylphenyl group
  • MQ represents a trans-1,4-cyclohexylene group, a 1,4-phenylene group, or a single bond, but one or non-adjacent two —CH 2 in the trans-1,4-cyclohexylene group.
  • RQ represents a straight-chain alkyl group or a branched-chain alkyl group having 1 to 22 carbon atoms, and one or more CH 2 groups in the alkyl group are —O—so that oxygen atoms are not directly adjacent to each other.
  • —, —CH ⁇ CH—, —CO—, —OCO—, —COO—, —C ⁇ C—, —CF 2 O—, —OCF 2 — may be substituted.
  • MQ represents a trans-1,4-cyclohexylene group, a 1,4-phenylene group or a single bond, and a trans-1,4-cyclohexylene group or a 1,4-phenylene group is preferred.
  • the compound represented by the general formula (Q) is preferably a compound represented by the following general formula (Qa) to general formula (Qd).
  • R Q1 is preferably a linear or branched alkyl group having 1 to 10 carbon atoms
  • R Q2 is preferably a linear or branched alkyl group having 1 to 20 carbon atoms
  • R Q3 is A straight-chain alkyl group having 1 to 8 carbon atoms, a branched-chain alkyl group, a straight-chain alkoxy group or a branched-chain alkoxy group is preferred
  • L Q is preferably a straight-chain alkylene group or branched-chain alkylene group having 1 to 8 carbon atoms.
  • compounds represented by general formula (Qa) to general formula (Qd) compounds represented by general formula (Qc) and general formula (Qd) are more preferable.
  • the compound represented by the general formula (Q) preferably contains one or two kinds, more preferably contains 1 to 5 kinds, and the content thereof is from 0.001. It is preferably 1%, more preferably 0.001 to 0.1%, and particularly preferably 0.001 to 0.05%.
  • antioxidants or light stabilizers are preferred as antioxidants or light stabilizers that can be used in the present invention.
  • composition of the present invention preferably contains one or more compounds represented by general formula (Q) or compounds selected from general formulas (III-1) to (III-38). It is further preferable to contain 5 types, and the content is preferably 0.001 to 1%, more preferably 0.001 to 0.1%, and particularly preferably 0.001 to 0.05%.
  • the polymerizable compound contained therein is polymerized by ultraviolet irradiation to impart liquid crystal alignment ability, and the amount of transmitted light is controlled using the birefringence of the composition. Used for liquid crystal display elements.
  • the measured characteristics are as follows.
  • T ni Nematic phase-isotropic liquid phase transition temperature (° C.)
  • T cn Crystal phase-nematic phase transition temperature (° C)
  • ⁇ n Refractive index anisotropy at 293K ⁇ : Dielectric anisotropy at 293K ⁇ 1 : Rotational viscosity (mPa ⁇ s) at 293K
  • K 11 Elastic constant of expansion at 293K (pN)
  • K 33 Elastic constant of bending at 293K (pN) ⁇ 1 / K 33 : Value obtained by dividing ⁇ 1 by K 33 (mPa ⁇ s / pN)
  • the following abbreviations are used for the description of compounds.
  • the LC-1 and LC-2 of the examples compared with the LC-A of the comparative example, have a response speed while maintaining sufficiently the parameters Tni , ⁇ n, and ⁇ that govern the electro-optic effect. Improvement was observed in the indicated parameter ⁇ 1 / K 33 .
  • VA liquid crystal display element By injecting these liquid crystal compositions into a cell with ITO coated with a polyimide alignment film that induces homeotropic alignment with a cell gap of 3.0 ⁇ m, respectively, a vertical alignment (VA) liquid crystal display element is obtained. Obtained. These VA liquid crystal display elements were confirmed to exhibit a response speed correlated with ⁇ 1 / K 33 .
  • the liquid crystal composition of the present invention is an excellent liquid crystal composition capable of improving only the response speed while maintaining the electro-optical characteristics.
  • LC-B Comparative Example 2
  • LC-3 Example 3
  • LC-4 Example 4
  • LC-5 Example 5
  • Table 4 shows the composition of the liquid crystal composition and the results of its physical properties.
  • the LC-3, LC-4, and LC-5 which are the examples, have sufficiently maintained T ni , ⁇ n, and ⁇ , which are parameters that govern the electro-optic effect, as compared with the LC-B that is the comparative example. Improvement was observed in ⁇ 1 / K 33 , which is a parameter indicating the response speed.
  • a vertical alignment (VA) liquid crystal display element is obtained. Obtained.
  • VA liquid crystal display elements were confirmed to exhibit a response speed correlated with ⁇ 1 / K 33 .
  • the liquid crystal composition of the present invention is an excellent liquid crystal composition capable of improving only the response speed while maintaining the electro-optical characteristics.
  • LC-C Comparative Example 3
  • LC-6 Example 6
  • LC-7 Example 7
  • LC-8 Example 8
  • the LC-6, LC-7, and LC-8 which are the examples, maintain sufficiently the parameters T ni , ⁇ n, and ⁇ that govern the electro-optic effect as compared with the LC-C that is the comparative example. Improvement was observed in ⁇ 1 / K 33 , which is a parameter indicating the response speed.
  • VA liquid crystal display element By injecting these liquid crystal compositions into a cell with ITO coated with a polyimide alignment film that induces homeotropic alignment with a cell gap of 3.0 ⁇ m, respectively, a vertical alignment (VA) liquid crystal display element is obtained. Obtained. These VA liquid crystal display elements were confirmed to exhibit a response speed correlated with ⁇ 1 / K 33 .
  • the liquid crystal composition of the present invention is an excellent liquid crystal composition capable of improving only the response speed while maintaining the electro-optical characteristics.
  • LC-D Comparative Example 4
  • LC-9 Example 9
  • LC-10 Example 10
  • LC-9 and LC-10 which are examples, compared with LC-D, which is a comparative example, have a response speed while maintaining sufficiently the parameters T ni , ⁇ n, and ⁇ that govern the electro-optic effect. Improvement was observed in the indicated parameter ⁇ 1 / K 33 .
  • a vertical alignment (VA) liquid crystal display element is obtained. Obtained.
  • VA liquid crystal display elements were confirmed to exhibit a response speed correlated with ⁇ 1 / K 33 .
  • the liquid crystal composition of the present invention is an excellent liquid crystal composition capable of improving only the response speed while maintaining the electro-optical characteristics.
  • LC-E Comparative Example 5
  • LC-11 Example 11
  • LC-12 Example 12
  • LC-13 Example 13
  • the LC-11, LC-12, and LC-13 which are examples, have sufficiently maintained T ni , ⁇ n, and ⁇ , which are parameters that govern the electro-optic effect, as compared to the LC-E that is a comparative example. Improvement was observed in ⁇ 1 / K 33 , which is a parameter indicating the response speed.
  • a vertical alignment (VA) liquid crystal display element is obtained. Obtained.
  • VA liquid crystal display elements were confirmed to exhibit a response speed correlated with ⁇ 1 / K 33 .
  • the liquid crystal composition of the present invention is an excellent liquid crystal composition capable of improving only the response speed while maintaining the electro-optical characteristics.
  • a polymerizable compound represented by XX-02 as a polymerizable compound was added to the prepared liquid crystal compositions LC-1 to LC13, and polymerizable compound-containing liquid crystal compositions MLC-1 to MLC-7 (Example 14). To 20) were prepared.
  • Table 8 shows the composition of the obtained polymerizable compound-containing liquid crystal composition.
  • a vertical alignment (VA) liquid crystal display device By vertically injecting these polymerizable compound-containing liquid crystal compositions into cells with ITO coated with a polyimide alignment film that induces homeotropic alignment with a cell gap of 3.0 ⁇ m, a vertical alignment (VA) liquid crystal display device Got.
  • the obtained VA liquid crystal display device was exposed to 10 J with a high-pressure mercury lamp having an intensity of 100 mW / cm ⁇ 2 (365 nm) while applying a rectangular wave of 10 V and 100 Hz.
  • a polymer-stabilized vertical alignment (PSVA) liquid crystal display element was obtained by 100 J exposure with the voltage cut. It was confirmed that these PSVA liquid crystal display elements showed the same response speed as the liquid crystal composition used.
  • the liquid crystal composition of the present invention is an excellent liquid crystal composition capable of improving only the response speed while maintaining the electro-optical characteristics even in the PSVA display element.
  • a polymerizable compound represented by XX-01 to 05 as a polymerizable compound was added alone or in combination, and the polymerizable compound-containing liquid crystal composition MLC-8 to MLC-14 (Examples 21-27) was prepared.
  • Table 9 shows the composition of the obtained polymerizable compound-containing liquid crystal composition.
  • a vertical alignment (VA) liquid crystal display device By vertically injecting these polymerizable compound-containing liquid crystal compositions into cells with ITO coated with a polyimide alignment film that induces homeotropic alignment with a cell gap of 3.0 ⁇ m, a vertical alignment (VA) liquid crystal display device Got.
  • the obtained VA liquid crystal display device was exposed to 10 J with a high-pressure mercury lamp having an intensity of 100 mW / cm ⁇ 2 (365 nm) while applying a rectangular wave of 10 V and 100 Hz.
  • a polymer-stabilized vertical alignment (PSVA) liquid crystal display element was obtained by 100 J exposure with the voltage cut. It was confirmed that these PSVA liquid crystal display elements showed the same response speed as the liquid crystal composition used. From the above, it was found that the liquid crystal composition of the present invention is an excellent liquid crystal composition capable of improving only the response speed while maintaining the electro-optical characteristics even in the PSVA display element.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal Substances (AREA)

Abstract

L'invention a pour objet d'améliorer la vitesse de réaction d'une composition de cristaux liquides, dans un état tel que Δｎ et Δε sont maintenus de manière suffisante. Plus précisément, l'invention concerne une composition de cristaux liquides qui comprend une ou plusieurs sortes de composé représenté par la formule générale (i), et une ou plusieurs sortes soit de composé choisi dans un groupe constitué de composés représentés par les formules générales (M) et (K), soit de composé choisi dans un groupe constitué de composés représentés par les formules générales （Ｎ－１）, （Ｎ－２） et （Ｎ－３）. L'invention concerne également un élément d'affichage à cristaux liquides mettant en œuvre cette composition de cristaux liquides, un tel élément d'affichage à cristaux liquides entraînant une matrice active, et un tel élément d'affichage à cristaux liquides destiné à un mode VA, TN, OCB, ECB, FFS ou IPS.
PCT/JP2018/014540 2017-04-17 2018-04-05 Élément d'affichage à cristaux liquides WO2018193859A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2018551876A JPWO2018193859A1 (ja) 2017-04-17 2018-04-05 液晶表示素子

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-081301 2017-04-17
JP2017081301 2017-04-17

Publications (1)

Publication Number Publication Date
WO2018193859A1 true WO2018193859A1 (fr) 2018-10-25

Family

ID=63856536

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/014540 WO2018193859A1 (fr) 2017-04-17 2018-04-05 Élément d'affichage à cristaux liquides

Country Status (2)

Country Link
JP (1) JPWO2018193859A1 (fr)
WO (1) WO2018193859A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113004905A (zh) * 2019-12-20 2021-06-22 北京八亿时空液晶科技股份有限公司 一种含环己烯结构的液晶化合物及其制备方法
CN113072955A (zh) * 2020-01-03 2021-07-06 北京八亿时空液晶科技股份有限公司 含有甲氧基桥键负性液晶化合物的具有大弹性常数的液晶组合物及其应用
CN113072959A (zh) * 2020-01-03 2021-07-06 北京八亿时空液晶科技股份有限公司 一种含有三联苯结构的大弹性常数液晶组合物及其应用
CN113072961A (zh) * 2020-01-03 2021-07-06 北京八亿时空液晶科技股份有限公司 含有甲氧基桥键负性液晶化合物的液晶组合物及其应用
WO2021134886A1 (fr) * 2020-01-03 2021-07-08 北京八亿时空液晶科技股份有限公司 Composition de cristaux liquides négatifs présentant une constante élastique élevée et son application
WO2021134884A1 (fr) * 2020-01-03 2021-07-08 北京八亿时空液晶科技股份有限公司 Composition de cristaux liquides négatifs à contraste élevé et son utilisation
CN113265260A (zh) * 2020-02-14 2021-08-17 北京八亿时空液晶科技股份有限公司 一种含环己烯结构的液晶化合物及其制备方法与应用
US20220282158A1 (en) * 2021-02-26 2022-09-08 Merck Patent Gmbh Liquid-crystal medium
US11920074B2 (en) * 2019-12-17 2024-03-05 Merck Patent Gmbh Liquid crystal medium

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113004904B (zh) * 2019-12-20 2023-04-28 北京八亿时空液晶科技股份有限公司 一种含环己烯结构的液晶化合物及其制备方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104804748A (zh) * 2014-01-29 2015-07-29 达兴材料股份有限公司 液晶化合物、液晶组合物以及液晶显示元件
CN106010580A (zh) * 2016-05-25 2016-10-12 石家庄诚志永华显示材料有限公司 液晶组合物及其应用
JP2016216718A (ja) * 2015-05-21 2016-12-22 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツングＭｅｒｃｋ Ｐａｔｅｎｔ Ｇｅｓｅｌｌｓｃｈａｆｔ ｍｉｔ ｂｅｓｃｈｒａｅｎｋｔｅｒ Ｈａｆｔｕｎｇ 液晶媒体およびそれを含む液晶ディスプレイ
EP3127991A1 (fr) * 2015-08-05 2017-02-08 Merck Patent GmbH Milieu cristallin liquide
JP2017214549A (ja) * 2016-04-07 2017-12-07 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツングＭｅｒｃｋ Ｐａｔｅｎｔ Ｇｅｓｅｌｌｓｃｈａｆｔ ｍｉｔ ｂｅｓｃｈｒａｅｎｋｔｅｒ Ｈａｆｔｕｎｇ 液晶媒体およびそれを含む液晶ディスプレイ
CN107674686A (zh) * 2016-08-02 2018-02-09 石家庄诚志永华显示材料有限公司 液晶组合物
CN107674687A (zh) * 2016-08-02 2018-02-09 石家庄诚志永华显示材料有限公司 液晶组合物及液晶显示元件或液晶显示器
JP2018025800A (ja) * 2016-08-11 2018-02-15 三星ディスプレイ株式會社Ｓａｍｓｕｎｇ Ｄｉｓｐｌａｙ Ｃｏ．，Ｌｔｄ． 液晶表示装置及びこれに含まれる液晶組成物
JP2018065986A (ja) * 2016-09-23 2018-04-26 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツングＭｅｒｃｋ Ｐａｔｅｎｔ Ｇｅｓｅｌｌｓｃｈａｆｔ ｍｉｔ ｂｅｓｃｈｒａｅｎｋｔｅｒ Ｈａｆｔｕｎｇ 液晶媒体およびそれを含む液晶ディスプレイ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008036248A1 (de) * 2007-08-30 2009-03-05 Merck Patent Gmbh Flüssigkristallanzeige
WO2015060056A1 (fr) * 2013-10-22 2015-04-30 Jnc株式会社 Composition de cristaux liquides et élément d'affichage à cristaux liquides

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104804748A (zh) * 2014-01-29 2015-07-29 达兴材料股份有限公司 液晶化合物、液晶组合物以及液晶显示元件
JP2016216718A (ja) * 2015-05-21 2016-12-22 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツングＭｅｒｃｋ Ｐａｔｅｎｔ Ｇｅｓｅｌｌｓｃｈａｆｔ ｍｉｔ ｂｅｓｃｈｒａｅｎｋｔｅｒ Ｈａｆｔｕｎｇ 液晶媒体およびそれを含む液晶ディスプレイ
EP3127991A1 (fr) * 2015-08-05 2017-02-08 Merck Patent GmbH Milieu cristallin liquide
JP2017214549A (ja) * 2016-04-07 2017-12-07 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツングＭｅｒｃｋ Ｐａｔｅｎｔ Ｇｅｓｅｌｌｓｃｈａｆｔ ｍｉｔ ｂｅｓｃｈｒａｅｎｋｔｅｒ Ｈａｆｔｕｎｇ 液晶媒体およびそれを含む液晶ディスプレイ
CN106010580A (zh) * 2016-05-25 2016-10-12 石家庄诚志永华显示材料有限公司 液晶组合物及其应用
CN107674686A (zh) * 2016-08-02 2018-02-09 石家庄诚志永华显示材料有限公司 液晶组合物
CN107674687A (zh) * 2016-08-02 2018-02-09 石家庄诚志永华显示材料有限公司 液晶组合物及液晶显示元件或液晶显示器
JP2018025800A (ja) * 2016-08-11 2018-02-15 三星ディスプレイ株式會社Ｓａｍｓｕｎｇ Ｄｉｓｐｌａｙ Ｃｏ．，Ｌｔｄ． 液晶表示装置及びこれに含まれる液晶組成物
JP2018065986A (ja) * 2016-09-23 2018-04-26 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツングＭｅｒｃｋ Ｐａｔｅｎｔ Ｇｅｓｅｌｌｓｃｈａｆｔ ｍｉｔ ｂｅｓｃｈｒａｅｎｋｔｅｒ Ｈａｆｔｕｎｇ 液晶媒体およびそれを含む液晶ディスプレイ

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11920074B2 (en) * 2019-12-17 2024-03-05 Merck Patent Gmbh Liquid crystal medium
CN113004905A (zh) * 2019-12-20 2021-06-22 北京八亿时空液晶科技股份有限公司 一种含环己烯结构的液晶化合物及其制备方法
WO2021134883A1 (fr) * 2020-01-03 2021-07-08 北京八亿时空液晶科技股份有限公司 Composition de cristaux liquides de composé de cristaux liquides négatifs ayant une liaison en pont méthoxy et utilisation associée
CN113072955B (zh) * 2020-01-03 2022-11-04 北京八亿时空液晶科技股份有限公司 含有甲氧基桥键负性液晶化合物的具有大弹性常数的液晶组合物及其应用
WO2021134881A1 (fr) * 2020-01-03 2021-07-08 北京八亿时空液晶科技股份有限公司 Composition à cristaux liquides contenant une structure terphényle ayant une constante élastique élevée et son utilisation
WO2021134886A1 (fr) * 2020-01-03 2021-07-08 北京八亿时空液晶科技股份有限公司 Composition de cristaux liquides négatifs présentant une constante élastique élevée et son application
WO2021134884A1 (fr) * 2020-01-03 2021-07-08 北京八亿时空液晶科技股份有限公司 Composition de cristaux liquides négatifs à contraste élevé et son utilisation
WO2021134882A1 (fr) * 2020-01-03 2021-07-08 北京八亿时空液晶科技股份有限公司 Composition de cristaux liquides à grande constante élastique de composé cristallin liquide négatif ayant une liaison en pont méthoxy et utilisation associée
CN113072959A (zh) * 2020-01-03 2021-07-06 北京八亿时空液晶科技股份有限公司 一种含有三联苯结构的大弹性常数液晶组合物及其应用
CN113072955A (zh) * 2020-01-03 2021-07-06 北京八亿时空液晶科技股份有限公司 含有甲氧基桥键负性液晶化合物的具有大弹性常数的液晶组合物及其应用
TWI816044B (zh) * 2020-01-03 2023-09-21 大陸商北京八億時空液晶科技股份有限公司 一種具有高對比度的負性液晶組合物及其應用
TWI792023B (zh) * 2020-01-03 2023-02-11 大陸商北京八億時空液晶科技股份有限公司 含有甲氧基橋鍵負性液晶化合物的液晶組合物及其應用
CN113072961A (zh) * 2020-01-03 2021-07-06 北京八亿时空液晶科技股份有限公司 含有甲氧基桥键负性液晶化合物的液晶组合物及其应用
CN113265260B (zh) * 2020-02-14 2022-07-26 北京八亿时空液晶科技股份有限公司 一种含环己烯结构的液晶化合物及其制备方法与应用
CN113265260A (zh) * 2020-02-14 2021-08-17 北京八亿时空液晶科技股份有限公司 一种含环己烯结构的液晶化合物及其制备方法与应用
US20220282158A1 (en) * 2021-02-26 2022-09-08 Merck Patent Gmbh Liquid-crystal medium
US11802243B2 (en) * 2021-02-26 2023-10-31 Merck Patent Gmbh Liquid-crystal medium

Also Published As

Publication number Publication date
JPWO2018193859A1 (ja) 2019-04-25

Similar Documents

Publication Publication Date Title
WO2018193859A1 (fr) Élément d'affichage à cristaux liquides
JP5790899B2 (ja) ネマチック液晶組成物及びこれを用いた液晶表示素子
JP5900718B1 (ja) ネマチック液晶組成物及びこれを用いた液晶表示素子
JP6206750B1 (ja) 組成物及びそれを使用した液晶表示素子
JP5618031B1 (ja) ネマチック液晶組成物及びこれを用いた液晶表示素子
JP6365430B2 (ja) ネマチック液晶組成物及びこれを用いた液晶表示素子
JP6308412B2 (ja) 組成物およびそれを使用した液晶表示素子
WO2017026271A1 (fr) Composition de cristaux liquides et élément d'affichage à cristaux liquides la contenant
JP6555450B1 (ja) 液晶表示素子
JP6660574B2 (ja) 液晶表示素子
JP5950061B2 (ja) 液晶組成物及びそれを使用した液晶表示素子
JP6358398B2 (ja) 液晶組成物及びそれを使用した液晶表示素子
WO2018212059A1 (fr) Composition de cristaux liquides et élément d'affichage à cristaux liquides utilisant ladite composition
JP6992274B2 (ja) 液晶表示素子
WO2017098955A1 (fr) Composition, et élément d'affichage à cristaux liquides mettant en œuvre celle-ci
JP2017222749A (ja) 液晶組成物、及び液晶表示素子
JP2017095630A (ja) 組成物及びそれを使用した液晶表示素子
JP6932903B2 (ja) 液晶組成物及びそれを使用した液晶表示素子
JP6403038B1 (ja) 液晶表示素子
JP7472469B2 (ja) 液晶組成物及び液晶表示素子
CN112300815B (zh) 液晶组合物和液晶显示元件
WO2018193861A1 (fr) Élément d'affichage à cristaux liquides
JPWO2021002205A1 (ja) 液晶組成物及び液晶表示素子
JP2020066582A (ja) 液晶化合物
JP2018002877A (ja) 液晶組成物及び液晶表示素子

Legal Events

Date Code Title Description
ENP Entry into the national phase

Ref document number: 2018551876

Country of ref document: JP

Kind code of ref document: A

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18787229

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18787229

Country of ref document: EP

Kind code of ref document: A1