CN108949191B - Liquid crystal composition containing biphenyl pentenyl compound and application thereof - Google Patents

Liquid crystal composition containing biphenyl pentenyl compound and application thereof Download PDF

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CN108949191B
CN108949191B CN201710389513.XA CN201710389513A CN108949191B CN 108949191 B CN108949191 B CN 108949191B CN 201710389513 A CN201710389513 A CN 201710389513A CN 108949191 B CN108949191 B CN 108949191B
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CN108949191A (en
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陈卯先
陈海光
姜天孟
王杰
储士红
王新颖
田会强
苏学辉
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Beijing Bayi Space LCD Technology Co Ltd
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    • 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
    • C09K19/44—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing compounds with benzene rings directly linked
    • 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
    • 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G02F1/134372—Electrodes characterised by their geometrical arrangement for fringe field switching [FFS] where the common electrode is not patterned

Abstract

The invention relates to the field of liquid crystal display, in particular to a liquid crystal composition containing a biphenyl pentenyl compound and an application thereof, wherein the liquid crystal composition at least comprises a compound represented by a general formula I: and at least one compound represented by the general formula II; the compound of the general formula I is a cyclohexyl biphenyl pentenyl compound, the structure has a large elastic constant, the elastic constant of the liquid crystal composition can be greatly improved, and the liquid crystal composition with the large elastic constant is obtained; the compound in the general formula II is a liquid crystal compound containing a 2-methyl-3, 4, 5-trifluorobenzene structure, and the compound has large dielectric anisotropy. The liquid crystal composition has a large elastic constant, so that on one hand, the response time of the liquid crystal composition is improved; on the other hand, the large elastic constant is beneficial to fast reorientation of the liquid crystal compound, greatly improves the afterimage recovery capability of the liquid crystal composition and improves the afterimage level of the liquid crystal display.

Description

Liquid crystal composition containing biphenyl pentenyl compound and application thereof
Technical Field
The invention relates to a liquid crystal composition, in particular to a nematic liquid crystal composition, specifically to a liquid crystal composition provided by the invention and a biphenyl pentenyl compound, and more specifically to a liquid crystal composition provided by the invention, which has a large elastic constant. Belonging to the field of liquid crystal materials and application thereof.
Background
The afterimage (influence residual) is used as an important index for evaluating the quality of the liquid crystal display, the liquid crystal display displays a static picture for a long time, and the phenomenon that the last picture appears after the picture is switched is the afterimage. The problem of the afterimage seriously affects the display quality of the liquid crystal display, so the improvement and the recovery capability of the afterimage of the liquid crystal display become important indexes for evaluating the liquid crystal display.
The elastic constant is used as an important parameter of the liquid crystal, the photoelectric curve and the response time of the liquid crystal composition are influenced, and researches find that the large elastic constant is favorable for reducing the orientation of liquid crystal molecules after the driving voltage is reduced, promoting the liquid crystal molecules to quickly reach a stable state, and improving the afterimage level and the afterimage recovery capability of the liquid crystal display.
Disclosure of Invention
The present invention provides a liquid crystal composition containing a biphenylpentenyl compound, which is advantageous in that it has excellent afterimage properties and afterimage restoration ability, and further, in that the liquid crystal composition provided by the present invention contains at least one compound represented by the general formula I:
Figure BDA0001307168990000011
wherein R is1Represents C1～C12Wherein one or more non-adjacent CH2May be substituted with O, S or CH ═ CH; preferably R1Represents C1～C5The linear alkyl group of (1);
and at least one compound represented by the general formula II:
Figure BDA0001307168990000012
wherein R is2Represents C1～C12Wherein one or more non-adjacent CH2May be substituted with O, S or CH ═ CH; l is1、L2、L3Each independently represents H or F; m, n is 0 or 1, m + n is 0 or 1; a. the1Represents:
Figure BDA0001307168990000021
preferably, when A1When represents trans-1, 4-cyclohexyl or 1, 4-phenylene, m is 0;
preferably, L2、L3Both H and both F.
The compound of the general formula I provided by the invention is a cyclohexyl biphenyl pentenyl structure compound, and after the pentenyl is introduced, the elastic constant of the compound is greatly improved, so that the compound is very effective in improving the elastic constant of the liquid crystal composition.
In the liquid crystal composition provided by the invention, under the condition that the sum of the mass of all the components is 100%, the content of the compound shown in the general formula I in the composition is preferably 2-20%, and preferably 3-14%; more preferably 5-14% or 4-8%; at this time, the elastic constant of the liquid crystal composition is more favorably improved, and the recovery of the residual image of the liquid crystal display is more favorably realized.
Specifically, desirable compounds represented by formula I are selected from one or more of the group consisting of formula I-A1 through formula I-A5:
Figure BDA0001307168990000022
wherein, when the compounds represented by the general formula I are selected from I-A1, I-A2 and I-A3, the application effect in the liquid crystal composition is particularly outstanding.
The liquid crystal composition also comprises at least one compound represented by a general formula II, wherein the compound represented by the general formula II is a polar compound containing a 2-methyl-3, 4, 5-trifluorobenzene structure and a difluoromethoxy bridge bond, and the structure has large dielectric anisotropy.
In the liquid crystal composition provided by the invention, under the condition that the total mass of all the components is 100%, the content of the compound shown in the general formula II in the composition is preferably 5-40%, and preferably 8-36%; more preferably 11-30%, 5-25%, 20-36%, 15-25.5% or 23-30%, which is more favorable for improving the response time of the liquid crystal composition.
Specifically, the compound represented by the general formula II is desirably one or more compounds selected from the group consisting of compounds represented by the formulae II-A to II-J:
Figure BDA0001307168990000031
wherein R is2Represents C1～C7Linear alkyl group of (1).
More preferably, the compound represented by the general formula II is selected from one or more compounds represented by the formulas II-A1-II-J4:
Figure BDA0001307168990000032
Figure BDA0001307168990000041
wherein, when the compounds represented by the general formula II are selected from II-A2, II-C3, II-D1, II-D2, II-E1, II-E2, II-F3 and II-I2, the application effect in the liquid crystal composition is particularly outstanding.
In addition, the liquid crystal composition provided by the invention can further comprise one or more compounds represented by the general formula III:
Figure BDA0001307168990000042
wherein R is3、R4Each independently represents C1～C12Linear alkyl, linear alkoxy or C2～C12A linear alkenyl group of (a); a. the2、A3Each independently represents trans-1, 4-cyclohexyl or 1, 4-phenylene.
The compound bicyclic structure represented by the general formula III has low rotational viscosity, and is added into a liquid crystal composition to be beneficial to matching with the compounds represented by the general formula I and the general formula II (preferably, the compounds are also used as necessary components), so that the rotational viscosity of the liquid crystal composition is further reduced, the intersolubility is increased, the response time of a liquid crystal display is improved, and the low-temperature working temperature range is widened.
In the liquid crystal composition provided by the invention, under the condition that the sum of the mass of all the components is 100%, the content of the compound shown in the general formula III in the composition is preferably 30-70%, and preferably 40-65%; more preferably 40-51%, 30-55% or 45-50%, which is more beneficial to reduce the response time of the liquid crystal composition and improve the intersolubility.
Specifically, the compound represented by the desired formula III is selected from one or more of the following compounds:
Figure BDA0001307168990000051
wherein R is3Represents C1～C7The linear alkyl group of (1); r4Represents C1～C7Linear alkyl, linear alkoxy or C2～C7Linear alkenyl groups of (a).
Preferably, the compound represented by the general formula III is selected from one or more compounds represented by the formulas III-A1-IIIC-24:
Figure BDA0001307168990000052
Figure BDA0001307168990000061
Figure BDA0001307168990000071
wherein, when the compounds represented by the general formula III are selected from III-A5, III-A6, III-A8, III-C2, III-C4, III-C15 and III-C16, the application effect in the liquid crystal composition is particularly outstanding.
Further, the liquid crystal composition provided by the invention can also comprise one or more compounds represented by the general formula IV:
Figure BDA0001307168990000072
wherein R is5Represents C1～C12Linear alkyl, linear alkoxy or C2～C12A linear alkenyl group of (a); r6Represents C1～C12Linear alkyl or linear alkoxy of (a); a. the4Represents trans-1, 4-cyclohexyl or 1, 4-phenylene.
The compound represented by the general formula IV has a high clearing point and a large elastic constant, and can be used in the liquid crystal composition to improve the clearing point and the elastic constant of the liquid crystal composition (preferably, the compound is also used as a necessary component).
In the liquid crystal composition provided by the invention, under the condition that the total mass of all the components is 100%, the content of the compound shown in the general formula IV in the composition is preferably 0-35%, preferably 0-31%, and when the addition amount is not zero, the ideal content is preferably 5-35%; more preferably 6-27%, 8-20% or 15-31%, etc., which is more favorable for improving the elastic constant of the liquid crystal composition, improving the clearing point and increasing the working temperature range.
Preferably, the compound represented by the general formula IV according to the invention is selected from one or more of the compounds represented by the formulae IV-A, IV-B:
Figure BDA0001307168990000073
wherein R is5Represents C2～C7A linear alkyl or linear alkenyl group of (a); r6Represents C1～C7Linear alkyl group of (1).
Preferably, the compound represented by the general formula IV is selected from one or more structures of the formulas IV-A1-IV-B22:
Figure BDA0001307168990000074
Figure BDA0001307168990000081
among them, when the compounds represented by the general formula IV are selected from IV-A1, IV-A2, IV-A8, IV-A12, IV-A16, IV-B3, IV-B12, IV-B16 and IV-B18, the application effect in the liquid crystal composition is particularly outstanding.
Here, the liquid crystal composition provided by the present invention may further include one or more compounds represented by general formulas V to X:
Figure BDA0001307168990000091
wherein R is7、R9Each independently represents C1～C12Straight chain alkyl or C2～C12A linear alkenyl group of (a); r8Representative F, CF3、OCF3And C1～C12Straight chain alkyl or C2～C12A linear alkenyl group of (a); r10、R11、R12、R13、R14Each independently represents C1～C12The linear alkyl group of (1); l is4、L5、L6、L7、L8、L9、L10、L11、L12、L13Each independently represents H or F; x1、X2、X3Each independently represents F or OCF3；A5Represents:
Figure BDA0001307168990000092
the compounds represented by the general formulas V to X are optional components, and can be used for adjusting parameters such as clearing points, optical anisotropy and the like of the liquid crystal composition when being added into the liquid crystal composition.
Preferably, the compounds of formula V to formula X are selected from one or more of the following structures:
Figure BDA0001307168990000093
Figure BDA0001307168990000101
wherein R is7、R8、R9Each independently represents C1～C7Linear alkyl, linear alkoxy or C2～C7A linear alkenyl group of (a); r10、R11、R12、R13、R14Each independently represents C1～C7Linear alkyl group of (1).
The compounds represented by the general formulas V to X are optional components, the appropriate total addition amount is 0-40%, preferably 0-35% or 0-15%, and when the addition amount is not zero, the ideal total content of the compounds in the composition is preferably 4-33%, 5-21%, 2-15% or 4-10%.
Of the compounds represented by the general formulae V to X, only the compounds represented by the general formulae V to IX are preferably added, and the compounds represented by the general formulae V, VI, VIII, and IX are more preferably added.
In order to ensure that more remarkable synergistic effect is realized among the components in the composition disclosed by the invention so as to effectively improve the comprehensive application performance of the liquid crystal composition, the invention further optimizes the dosage of each component in the liquid crystal composition.
Specifically, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 1-30% of a compound represented by the general formula I;
(2) 1-50% of a compound represented by the general formula II;
(3) 20-75% of a compound represented by the general formula III;
(4) 0 to 45% of a compound represented by the general formula IV;
(5) and 0 to 50% of a compound represented by general formula V to general formula IX.
Preferably, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 2-20% of a compound represented by the general formula I;
(2) 5-40% of a compound represented by the general formula II;
(3) 30-70% of a compound represented by the general formula III;
(4) 0 to 35% of a compound represented by the general formula IV;
(5) and 0-40% of compounds represented by general formulas V-IX.
More preferably, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 3-14% of a compound represented by the general formula I;
(2) 8-36% of a compound represented by the general formula II;
(3) 40-65% of a compound represented by the general formula III;
(4) 0 to 31% of a compound represented by the general formula IV;
(5) and 0 to 35% of a compound represented by general formula V to general formula IX.
Preferably, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 2-20% of a compound represented by the general formula I;
(2) 5-25% of a compound represented by the general formula II;
(3) 30-70% of a compound represented by the general formula III;
(4) 0 to 35% of a compound represented by the general formula IV;
(5) and 0-40% of compounds represented by general formulas V-IX.
More preferably, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 3-14% of a compound represented by the general formula I;
(2) 8-25% of a compound represented by the general formula II;
(3) 40-65% of a compound represented by the general formula III;
(4) 0 to 31% of a compound represented by the general formula IV;
(5) and 0 to 35% of a compound represented by general formula V to general formula IX.
Preferably, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 3-20% of a compound represented by the general formula I;
(2) 20-40% of a compound represented by the general formula II;
(3) 30-55% of a compound represented by the general formula III;
(4) 0 to 35% of a compound represented by the general formula IV;
(5) and 0-40% of compounds represented by general formulas V-IX.
More preferably, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 5-14% of a compound represented by the general formula I;
(2) 20-36% of a compound represented by the general formula II;
(3) 40-51% of a compound represented by the general formula III;
(4) 0 to 31% of a compound represented by the general formula IV;
(5) and 0 to 33% of a compound represented by general formula V to general formula IX.
Preferably, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 2-20% of a compound represented by the general formula I;
(2) 5-40% of a compound represented by the general formula II;
(3) 30-70% of a compound represented by the general formula III;
(4) 1-35% of a compound represented by the general formula IV;
(5) and 0 to 30% of a compound represented by general formula V to general formula IX.
More preferably, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 3-14% of a compound represented by the general formula I;
(2) 8-36% of a compound represented by the general formula II;
(3) 40-65% of a compound represented by the general formula III;
(4) 6-31% of a compound represented by the general formula IV;
(5) and 0 to 24% of a compound represented by general formula V to general formula IX.
Preferably, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 3-20% of a compound represented by the general formula I;
(2) 5-40% of a compound represented by the general formula II;
(3) 30-70% of a compound represented by the general formula III;
(4) 3-20% of a compound represented by the general formula IV;
(5) and 0 to 30% of a compound represented by general formula V to general formula IX.
More preferably, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 4-14% of a compound represented by the general formula I;
(2) 8-36% of a compound represented by the general formula II;
(3) 40-65% of a compound represented by the general formula III;
(4) 6-20% of a compound represented by the general formula IV;
(5) and 0 to 24% of a compound represented by general formula V to general formula IX.
Preferably, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 2-20% of a compound represented by the general formula I;
(2) 5-35% of a compound represented by the general formula II;
(3) 30-70% of a compound represented by the general formula III;
(4) 15-35% of a compound represented by the general formula IV;
(5) and 0-15% of compounds represented by general formulas V-IX.
More preferably, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 3-14% of a compound represented by the general formula I;
(2) 8-30% of a compound represented by the general formula II;
(3) 40-65% of a compound represented by the general formula III;
(4) 15-31% of a compound represented by the general formula IV;
(5) and 0 to 12% of a compound represented by general formula V to general formula IX.
Preferably, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 2-15% of a compound represented by the general formula I;
(2) 10-35% of a compound represented by the general formula II;
(3) 35-70% of a compound represented by the general formula III;
(4) 10-35% of a compound represented by the general formula IV.
More preferably, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 3-13% of a compound represented by the general formula I;
(2) 11-30% of a compound represented by the general formula II;
(3) 41-65% of a compound represented by the general formula III;
(4) 16-31% of a compound represented by the general formula IV.
Preferably, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 3-18% of a compound represented by the general formula I;
(2) 20-35% of a compound represented by the general formula II;
(3) 35 to 50% of a compound represented by the general formula III;
(4) 5-25% of a compound represented by the general formula IV;
(5) and 2-15% of a compound represented by the general formula VIII.
More preferably, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 5-14% of a compound represented by the general formula I;
(2) 23-30% of a compound represented by the general formula II;
(3) 40-45% of a compound represented by the general formula III;
(4) 8-20% of a compound represented by the general formula IV;
(5) and 4-10% of a compound represented by the general formula VIII.
Preferably, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 2-20% of a compound represented by the general formula I;
(2) 8-40% of a compound represented by the general formula II;
(3) 35-70% of a compound represented by the general formula III;
(4) 5-35% of a compound represented by the general formula IV;
(5) and 0 to 15% of compounds represented by general formulas VI to IX.
More preferably, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 3-14% of a compound represented by the general formula I;
(2) 11-36% of a compound represented by the general formula II;
(3) 40-65% of a compound represented by the general formula III;
(4) 6-31% of a compound represented by the general formula IV;
(5) and 0 to 10% of compounds represented by general formulas VI to IX.
Preferably, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 3-11% of a compound represented by the general formula I;
(2) 5-25% of a compound represented by the general formula II;
(3) 38-65% of a compound represented by the general formula III;
(4) 5-25% of a compound represented by the general formula IV;
(5) 1-20% of a compound represented by the general formula V;
(6) and 0 to 15% of compounds represented by general formulas VI to IX.
More preferably, the liquid crystal composition provided by the invention comprises the following components in percentage by mass:
(1) 4-8% of a compound represented by the general formula I;
(2) 8-21% of a compound represented by the general formula II;
(3) 43-62% of a compound represented by the general formula III;
(4) 8-19% of a compound represented by the general formula IV;
(5) 3-17% of a compound represented by the general formula V;
(6) and 0 to 10% of compounds represented by general formulas VI to IX.
In addition, in practice, it has been found that the application performance is particularly outstanding when the following ranges are selected for the content of each component of the liquid crystal composition of the present invention:
(1) 3-14% of a compound represented by the general formula I;
(2) 8-36% of a compound represented by the general formula II;
(3) 40-65% of a compound represented by the general formula III;
(4) 0 to 31% of a compound represented by the general formula IV;
(5) 0 to 35% of a compound represented by general formula V to general formula IX;
preferably:
(1) 5-13% of a compound represented by the general formula I;
(2) 12-30% of a compound represented by the general formula II;
(3) 43 to 51% of a compound represented by the general formula III;
(4) 6 to 27% of a compound represented by the general formula IV;
(5) and 4-33% of compounds represented by general formulas V-IX.
Except for special description, in the formula provided by the invention, the sum of the total mass percentages of all the components in the liquid crystal composition is 100%.
The compound of the general formula I provided by the invention is a cyclohexyl biphenyl pentenyl compound, the structure has a large elastic constant, the elastic constant of the liquid crystal composition can be greatly improved, and the liquid crystal composition with the large elastic constant is obtained; the compound of the general formula II is a liquid crystal compound containing a 2-methyl-3, 4, 5-trifluorobenzene structure, and the compound has large dielectric anisotropy, improves the dielectric anisotropy of the liquid crystal composition, reduces the use amount of polar monomers in the liquid crystal composition, increases the use amount of neutral monomers, and reduces the rotational viscosity of the liquid crystal composition; the compound of the general formula III has low rotational viscosity and excellent intersolubility, can effectively reduce the rotational viscosity of the liquid crystal composition, improve the intersolubility of the liquid crystal composition and widen the low-temperature working range of the liquid crystal composition; the compound of the general formula IV has a high aspect ratio and a large elastic constant; the compound in the general formula V has large optical anisotropy, the optical anisotropy of the liquid crystal composition is improved, and the thickness of a liquid crystal layer is reduced; the compounds of the general formulas VI to IX are used for adjusting parameters such as clearing points, optical anisotropy and the like of the liquid crystal composition.
The method for producing the liquid crystal composition of the present invention is not particularly limited, and it can be produced by mixing two or more compounds by a conventional method, such as a method of mixing the different components at a high temperature and dissolving each other, wherein the liquid crystal composition is dissolved and mixed in a solvent for the compounds, and then the solvent is distilled off under reduced pressure; alternatively, the liquid crystal composition of the present invention can be prepared by a conventional method, for example, by dissolving the component having a smaller content in the main component having a larger content at a higher temperature, or by dissolving each of the components in an organic solvent, for example, acetone, chloroform or methanol, and then mixing the solutions to remove the solvent.
The invention also protects the application of the liquid crystal composition in a liquid crystal display device, preferably in a fast response liquid crystal display device, and more preferably in TN, IPS and FFS liquid crystal displays.
The liquid crystal composition has a large elastic constant, so that on one hand, the response time of the liquid crystal composition is improved; on the other hand, the large elastic constant is beneficial to fast reorientation of the liquid crystal compound, greatly improves the residual image recovery capability of the liquid crystal composition, improves the residual image level of the liquid crystal display, and is suitable for TN, IPS and FFS liquid crystal displays, in particular to IPS and FFS liquid crystal displays.
Detailed Description
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Unless otherwise indicated, percentages in the present invention are weight percentages; the temperature units are centigrade; Δ n represents optical anisotropy (25 ℃); epsilon∥And ε⊥Respectively represent the parallel and perpendicular dielectric constants (25 ℃, 1000 Hz); Δ ε represents the dielectric anisotropy (25 ℃, 1000 Hz); γ 1 represents rotational viscosity (mpa.s, 25 ℃); cp represents the clearing point (. degree. C.) of the liquid crystal composition; k11、K22、K33Respectively representing the splay, twist and bend elastic constants (pN, 25 ℃).
In the following examples, the group structures in the liquid crystal compounds are represented by codes shown in Table 1.
Table 1: radical structure code of liquid crystal compound
Figure BDA0001307168990000171
Take the following compound structure as an example:
Figure BDA0001307168990000172
expressed as: 5APUQKF
Figure BDA0001307168990000181
Expressed as: 5 CCPAF
In the following examples, the liquid crystal composition was prepared by a thermal dissolution method, comprising the steps of: weighing the liquid crystal compound by a balance according to the weight percentage, wherein the weighing and adding sequence has no specific requirements, generally weighing and mixing the liquid crystal compound in sequence from high melting point to low melting point, heating and stirring at 60-100 ℃ to uniformly melt all the components, filtering, performing rotary evaporation, and finally packaging to obtain the target sample.
In the following examples, the liquid-crystalline components referred to are known compounds and are commercially available, for example from the company Beijing eight billion space-time liquid Crystal technology, Inc.
In the following examples, the weight percentages of the components in the liquid crystal composition and the performance parameters of the liquid crystal composition are shown in the following tables.
Example 1
Table 2: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000182
Example 2
Table 3: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000183
Figure BDA0001307168990000191
Example 3
Table 4: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000192
Example 4
Table 5: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000193
Example 5
Table 6: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000194
Example 6
Table 7: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000201
Example 7
Table 8: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000202
Example 8
Table 9: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000203
Figure BDA0001307168990000211
Example 9
Table 10: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000212
Example 10
Table 11: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000213
Example 11
Table 12: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000214
Figure BDA0001307168990000221
Example 12
Table 13: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000222
Example 13
Table 14: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000223
Figure BDA0001307168990000231
Example 14
Table 15: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000232
Example 15
Table 16: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000233
Example 16
Table 17: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000241
Example 17
Table 18: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000242
Example 18
Table 19: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000243
Figure BDA0001307168990000251
Example 19
Table 20: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000252
Example 20
Table 21: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000253
Example 21
Table 22: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000254
Figure BDA0001307168990000261
Example 22
Table 23: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000262
Example 23
Table 24: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000263
Example 24
Table 25: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000264
Figure BDA0001307168990000271
Example 25
Table 26: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000272
Example 26
Table 27: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000273
Example 27
Table 28: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000274
Figure BDA0001307168990000281
Comparative example 1
Table 29: the weight percentage and performance parameters of each component in the liquid crystal composition
Figure BDA0001307168990000282
The liquid crystal compositions obtained in example 1 and comparative example 1 were compared together for each of their performance parameter values, see table 30.
Table 30: comparison of Performance parameters of liquid Crystal compositions
Item Δn △ε Cp γ1 K11 K22 K33
Example 1 0.101 +6.3 92 67 14.0 7.0 16.9
Comparative example 1 0.100 +6.3 91 67 13.2 6.6 16.2
By comparison, it can be seen that: compared with comparative example 1, the liquid crystal composition provided in example 1 has a larger elastic constant, further improves the response time of the liquid crystal display and improves the afterimage quality of the liquid crystal display.
The liquid crystal panels manufactured in example 1 and comparative example 1 were subjected to the afterimage test at the same time, and the test results are shown in table 31:
table 31: evaluation and comparison of residual image of liquid crystal panel
Figure BDA0001307168990000283
As can be seen from the above table, the large liquid crystal composition provided by the present invention has a more excellent afterimage level and a faster afterimage recovery time.
The above examples show that the compound of formula I provided by the present invention has a very large elastic constant, and the addition of the liquid crystal composition can effectively improve the elastic constant, improve the response time of the liquid crystal display and improve the afterimage performance of the liquid crystal display.
Although the invention has been described in detail hereinabove with respect to a general description and specific embodiments thereof, it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (29)

1. A liquid crystal composition containing a biphenylpentenyl compound, comprising at least one compound represented by formula I and at least one compound represented by formula II;
the compound represented by the general formula I is selected from one or more of formula I-A1-formula I-A5:
Figure FDA0003109006160000011
the general formula II is specifically:
Figure FDA0003109006160000012
wherein R is2Represents C1～C12Wherein one or more non-adjacent CH2May be substituted with O, S or CH ═ CH; l is1、L2、L3Each independently represents H or F; m, n is 0 or 1, and m + n is 0 or 1; a. the1Represents:
Figure FDA0003109006160000013
2. the liquid crystal composition according to claim 1, wherein when A is1When represents trans-1, 4-cyclohexyl or 1, 4-phenylene, m is 0.
3. The liquid crystal composition of claim 1, wherein the compound of formula II is selected from one or more compounds represented by formula II-a to formula II-J:
Figure FDA0003109006160000014
Figure FDA0003109006160000021
wherein R is2Represents C1～C7Linear alkyl group of (1).
4. The liquid crystal composition of claim 3, wherein the compound represented by formula II is one or more compounds selected from the group consisting of compounds represented by formulae II-A1 to II-J4:
Figure FDA0003109006160000022
Figure FDA0003109006160000031
5. the liquid crystal composition of any one of claims 1 to 4, further comprising one or more compounds of formula III:
Figure FDA0003109006160000032
wherein R is3、R4Each independently represents C1～C12Linear alkyl, linear alkoxy or C2～C12A linear alkenyl group of (a); a. the2、A3Each independently represents trans-1, 4-cyclohexyl or 1, 4-phenylene.
6. The liquid crystal composition of claim 5, wherein the compound represented by the general formula III is selected from one or more of IIIA to IIIC:
Figure FDA0003109006160000041
wherein R is3Represents C1～C7The linear alkyl group of (1); r4Represents C1～C7Linear alkyl, linear alkoxy or C2～C7Linear alkenyl groups of (a).
7. The liquid crystal composition of claim 6, wherein the compound represented by formula III is one or more compounds selected from the group consisting of compounds represented by formulae III-A1 to IIIC-24:
Figure FDA0003109006160000042
Figure FDA0003109006160000051
Figure FDA0003109006160000061
8. the liquid crystal composition of any one of claims 1 to 4 and 6 to 7, further comprising one or more compounds selected from the group consisting of compounds having the structure of formula IV:
Figure FDA0003109006160000062
wherein R is5Represents C1～C12Linear alkyl, linear alkoxy or C2～C12A linear alkenyl group of (a); r6Represents C1～C12Linear alkyl or linear alkoxy of (a); a. the4Represents trans-1, 4-cyclohexyl or 1, 4-phenylene.
9. The liquid crystal composition of claim 5, further comprising one or more compounds selected from the group consisting of structures of formula IV:
Figure FDA0003109006160000063
wherein R is5Represents C1～C12Linear alkyl, linear alkoxy or C2～C12A linear alkenyl group of (a); r6Represents C1～C12Linear alkyl or linear alkoxy of (a); a. the4Represents trans-1, 4-cyclohexyl or 1, 4-phenylene.
10. The liquid crystal composition of claim 8, wherein the compound represented by formula IV is selected from one or more compounds represented by formula IV-a, formula IV-B:
Figure FDA0003109006160000064
wherein R is5Represents C2～C7A linear alkyl or linear alkenyl group of (a); r6Represents C1～C7Linear alkyl group of (1).
11. The liquid crystal composition of claim 9, wherein the compound represented by formula IV is selected from one or more of the compounds represented by formula IV-a, formula IV-B:
Figure FDA0003109006160000071
wherein R is5Represents C2～C7A linear alkyl or linear alkenyl group of (a); r6Represents C1～C7Linear alkyl group of (1).
12. The liquid crystal composition of claim 10 or 11, wherein the compound represented by formula IV is selected from one or more structures of formulae IV-a1 to IV-B22:
Figure FDA0003109006160000072
Figure FDA0003109006160000081
13. the liquid crystal composition according to any one of claims 1 to 4, 6 to 7, and 9 to 11, further comprising one or more compounds selected from the group consisting of compounds represented by general formulas V to X:
Figure FDA0003109006160000082
wherein R is7、R9Each independently represents C1～C12Straight chain alkyl or C2～C12A linear alkenyl group of (a); r8Representative F, CF3、OCF3And C1～C12Straight chain alkyl or C2～C12A linear alkenyl group of (a); r10、R11、R12、R13、R14Each independently represents C1～C12The linear alkyl group of (1); l is4、L5、L6、L7、L8、L9、L10、L11、L12、L13Each independently represents H or F; x1、X2、X3Each independently represents F or OCF3；A5Represents:
Figure FDA0003109006160000091
14. the liquid crystal composition according to claim 5, further comprising one or more compounds selected from the group consisting of compounds represented by the general formulae V to X:
Figure FDA0003109006160000092
wherein R is7、R9Each independently represents C1～C12Straight chain alkyl or C2～C12A linear alkenyl group of (a); r8Representative F, CF3、OCF3And C1～C12Straight chain alkyl or C2～C12A linear alkenyl group of (a); r10、R11、R12、R13、R14Each independently represents C1～C12The linear alkyl group of (1); l is4、L5、L6、L7、L8、L9、L10、L11、L12、L13Each independently represents H or F; x1、X2、X3Each independently represents F or OCF3；A5Represents:
Figure FDA0003109006160000093
15. the liquid crystal composition according to claim 8, further comprising one or more compounds selected from the group consisting of compounds represented by the general formulae V to X:
Figure FDA0003109006160000101
wherein R is7、R9Each independently represents C1～C12Straight chain alkyl or C2～C12A linear alkenyl group of (a); r8Representative F, CF3、OCF3And C1～C12Straight chain alkyl or C2～C12A linear alkenyl group of (a); r10、R11、R12、R13、R14Each independently represents C1～C12The linear alkyl group of (1); l is4、L5、L6、L7、L8、L9、L10、L11、L12、L13Each independently represents H or F; x1、X2、X3Each independently represents F or OCF3；A5Represents:
Figure FDA0003109006160000102
16. the liquid crystal composition according to claim 12, further comprising one or more compounds selected from the group consisting of compounds represented by general formulas V to X:
Figure FDA0003109006160000111
wherein R is7、R9Each independently represents C1～C12Straight chain alkyl or C2～C12A linear alkenyl group of (a); r8Representative F, CF3、OCF3And C1～C12Straight chain alkyl or C2～C12A linear alkenyl group of (a); r10、R11、R12、R13、R14Each independently represents C1～C12The linear alkyl group of (1); l is4、L5、L6、L7、L8、L9、L10、L11、L12、L13Each independently represents H or F; x1、X2、X3Each independently represents F or OCF3；A5Represents:
Figure FDA0003109006160000112
17. the liquid crystal composition of claim 13, wherein the compound of formula V to formula X is selected from one or more of the following structures:
Figure FDA0003109006160000121
Figure FDA0003109006160000131
wherein R is7、R8、R9Each independently represents C1～C7Straight chain alkyl or C2～C7A linear alkenyl group of (a); r10、R11、R12、R13、R14Each independently represents C1～C7Linear alkyl group of (1).
18. The liquid crystal composition of any one of claims 14 to 16, wherein the compound of formula V to formula X is selected from one or more of the following structures:
Figure FDA0003109006160000132
Figure FDA0003109006160000141
wherein R is7、R8、R9Each independently represents C1～C7Straight chain alkyl or C2～C7A linear alkenyl group of (a); r10、R11、R12、R13、R14Each independently represents C1～C7Linear alkyl group of (1).
19. The liquid crystal composition of claim 13, comprising the following components:
(1) 2-20% of a compound represented by the general formula I;
(2) 5-25% of a compound represented by the general formula II;
(3) 30-70% of a compound represented by the general formula III;
(4) 0 to 35% of a compound represented by the general formula IV;
(5) 0 to 40% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-20% of a compound represented by the general formula I;
(2) 20-40% of a compound represented by the general formula II;
(3) 30-55% of a compound represented by the general formula III;
(4) 0 to 35% of a compound represented by the general formula IV;
(5) 0 to 40% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 2-20% of a compound represented by the general formula I;
(2) 5-40% of a compound represented by the general formula II;
(3) 30-70% of a compound represented by the general formula III;
(4) 1-35% of a compound represented by the general formula IV;
(5) 0 to 30% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-20% of a compound represented by the general formula I;
(2) 5-40% of a compound represented by the general formula II;
(3) 30-70% of a compound represented by the general formula III;
(4) 3-20% of a compound represented by the general formula IV;
(5) 0 to 30% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 2-20% of a compound represented by the general formula I;
(2) 5-35% of a compound represented by the general formula II;
(3) 30-70% of a compound represented by the general formula III;
(4) 15-35% of a compound represented by the general formula IV;
(5) 0 to 15% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 2-15% of a compound represented by the general formula I;
(2) 10-35% of a compound represented by the general formula II;
(3) 35-70% of a compound represented by the general formula III;
(4) 10-35% of a compound represented by the general formula IV;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-18% of a compound represented by the general formula I;
(2) 20-35% of a compound represented by the general formula II;
(3) 35 to 50% of a compound represented by the general formula III;
(4) 5-25% of a compound represented by the general formula IV;
(5) 2-15% of a compound represented by general formula VIII;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 2-20% of a compound represented by the general formula I;
(2) 8-40% of a compound represented by the general formula II;
(3) 35-70% of a compound represented by the general formula III;
(4) 5-35% of a compound represented by the general formula IV;
(5) 0 to 15% of compounds represented by general formulas VI to IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-11% of a compound represented by the general formula I;
(2) 5-25% of a compound represented by the general formula II;
(3) 38-65% of a compound represented by the general formula III;
(4) 5-25% of a compound represented by the general formula IV;
(5) 1-20% of a compound represented by the general formula V;
(6) 0 to 15% of compounds represented by general formulas VI to IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-14% of a compound represented by the general formula I;
(2) 8-36% of a compound represented by the general formula II;
(3) 40-65% of a compound represented by the general formula III;
(4) 0 to 31% of a compound represented by the general formula IV;
(5) and 0 to 35% of a compound represented by general formula V to general formula IX.
20. The liquid crystal composition according to any one of claims 14 to 17, comprising the following components:
(1) 2-20% of a compound represented by the general formula I;
(2) 5-25% of a compound represented by the general formula II;
(3) 30-70% of a compound represented by the general formula III;
(4) 0 to 35% of a compound represented by the general formula IV;
(5) 0 to 40% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-20% of a compound represented by the general formula I;
(2) 20-40% of a compound represented by the general formula II;
(3) 30-55% of a compound represented by the general formula III;
(4) 0 to 35% of a compound represented by the general formula IV;
(5) 0 to 40% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 2-20% of a compound represented by the general formula I;
(2) 5-40% of a compound represented by the general formula II;
(3) 30-70% of a compound represented by the general formula III;
(4) 1-35% of a compound represented by the general formula IV;
(5) 0 to 30% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-20% of a compound represented by the general formula I;
(2) 5-40% of a compound represented by the general formula II;
(3) 30-70% of a compound represented by the general formula III;
(4) 3-20% of a compound represented by the general formula IV;
(5) 0 to 30% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 2-20% of a compound represented by the general formula I;
(2) 5-35% of a compound represented by the general formula II;
(3) 30-70% of a compound represented by the general formula III;
(4) 15-35% of a compound represented by the general formula IV;
(5) 0 to 15% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 2-15% of a compound represented by the general formula I;
(2) 10-35% of a compound represented by the general formula II;
(3) 35-70% of a compound represented by the general formula III;
(4) 10-35% of a compound represented by the general formula IV;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-18% of a compound represented by the general formula I;
(2) 20-35% of a compound represented by the general formula II;
(3) 35 to 50% of a compound represented by the general formula III;
(4) 5-25% of a compound represented by the general formula IV;
(5) 2-15% of a compound represented by general formula VIII;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 2-20% of a compound represented by the general formula I;
(2) 8-40% of a compound represented by the general formula II;
(3) 35-70% of a compound represented by the general formula III;
(4) 5-35% of a compound represented by the general formula IV;
(5) 0 to 15% of compounds represented by general formulas VI to IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-11% of a compound represented by the general formula I;
(2) 5-25% of a compound represented by the general formula II;
(3) 38-65% of a compound represented by the general formula III;
(4) 5-25% of a compound represented by the general formula IV;
(5) 1-20% of a compound represented by the general formula V;
(6) 0 to 15% of compounds represented by general formulas VI to IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-14% of a compound represented by the general formula I;
(2) 8-36% of a compound represented by the general formula II;
(3) 40-65% of a compound represented by the general formula III;
(4) 0 to 31% of a compound represented by the general formula IV;
(5) and 0 to 35% of a compound represented by general formula V to general formula IX.
21. The liquid crystal composition of claim 18, comprising the following components:
(1) 2-20% of a compound represented by the general formula I;
(2) 5-25% of a compound represented by the general formula II;
(3) 30-70% of a compound represented by the general formula III;
(4) 0 to 35% of a compound represented by the general formula IV;
(5) 0 to 40% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-20% of a compound represented by the general formula I;
(2) 20-40% of a compound represented by the general formula II;
(3) 30-55% of a compound represented by the general formula III;
(4) 0 to 35% of a compound represented by the general formula IV;
(5) 0 to 40% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 2-20% of a compound represented by the general formula I;
(2) 5-40% of a compound represented by the general formula II;
(3) 30-70% of a compound represented by the general formula III;
(4) 1-35% of a compound represented by the general formula IV;
(5) 0 to 30% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-20% of a compound represented by the general formula I;
(2) 5-40% of a compound represented by the general formula II;
(3) 30-70% of a compound represented by the general formula III;
(4) 3-20% of a compound represented by the general formula IV;
(5) 0 to 30% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 2-20% of a compound represented by the general formula I;
(2) 5-35% of a compound represented by the general formula II;
(3) 30-70% of a compound represented by the general formula III;
(4) 15-35% of a compound represented by the general formula IV;
(5) 0 to 15% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 2-15% of a compound represented by the general formula I;
(2) 10-35% of a compound represented by the general formula II;
(3) 35-70% of a compound represented by the general formula III;
(4) 10-35% of a compound represented by the general formula IV;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-18% of a compound represented by the general formula I;
(2) 20-35% of a compound represented by the general formula II;
(3) 35 to 50% of a compound represented by the general formula III;
(4) 5-25% of a compound represented by the general formula IV;
(5) 2-15% of a compound represented by general formula VIII;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 2-20% of a compound represented by the general formula I;
(2) 8-40% of a compound represented by the general formula II;
(3) 35-70% of a compound represented by the general formula III;
(4) 5-35% of a compound represented by the general formula IV;
(5) 0 to 15% of compounds represented by general formulas VI to IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-11% of a compound represented by the general formula I;
(2) 5-25% of a compound represented by the general formula II;
(3) 38-65% of a compound represented by the general formula III;
(4) 5-25% of a compound represented by the general formula IV;
(5) 1-20% of a compound represented by the general formula V;
(6) 0 to 15% of compounds represented by general formulas VI to IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-14% of a compound represented by the general formula I;
(2) 8-36% of a compound represented by the general formula II;
(3) 40-65% of a compound represented by the general formula III;
(4) 0 to 31% of a compound represented by the general formula IV;
(5) and 0 to 35% of a compound represented by general formula V to general formula IX.
22. The liquid crystal composition according to claim 19 or 21, wherein the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-14% of a compound represented by the general formula I;
(2) 8-25% of a compound represented by the general formula II;
(3) 40-65% of a compound represented by the general formula III;
(4) 0 to 31% of a compound represented by the general formula IV;
(5) 0 to 35% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 5-14% of a compound represented by the general formula I;
(2) 20-36% of a compound represented by the general formula II;
(3) 40-51% of a compound represented by the general formula III;
(4) 0 to 31% of a compound represented by the general formula IV;
(5) 0 to 33% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-14% of a compound represented by the general formula I;
(2) 8-36% of a compound represented by the general formula II;
(3) 40-65% of a compound represented by the general formula III;
(4) 6-31% of a compound represented by the general formula IV;
(5) 0 to 24% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 4-14% of a compound represented by the general formula I;
(2) 8-36% of a compound represented by the general formula II;
(3) 40-65% of a compound represented by the general formula III;
(4) 6-20% of a compound represented by the general formula IV;
(5) 0 to 24% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-14% of a compound represented by the general formula I;
(2) 8-30% of a compound represented by the general formula II;
(3) 40-65% of a compound represented by the general formula III;
(4) 15-31% of a compound represented by the general formula IV;
(5) 0 to 12% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-13% of a compound represented by the general formula I;
(2) 11-30% of a compound represented by the general formula II;
(3) 41-65% of a compound represented by the general formula III;
(4) 16-31% of a compound represented by the general formula IV;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 5-14% of a compound represented by the general formula I;
(2) 23-30% of a compound represented by the general formula II;
(3) 40-45% of a compound represented by the general formula III;
(4) 8-20% of a compound represented by the general formula IV;
(5) 4-10% of a compound represented by the general formula VIII;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-14% of a compound represented by the general formula I;
(2) 11-36% of a compound represented by the general formula II;
(3) 40-65% of a compound represented by the general formula III;
(4) 6-31% of a compound represented by the general formula IV;
(5) 0 to 10% of compounds represented by general formulas VI to IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 4-8% of a compound represented by the general formula I;
(2) 8-21% of a compound represented by the general formula II;
(3) 43-62% of a compound represented by the general formula III;
(4) 8-19% of a compound represented by the general formula IV;
(5) 3-17% of a compound represented by the general formula V;
(6) 0 to 10% of compounds represented by general formulas VI to IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 5-13% of a compound represented by the general formula I;
(2) 12-30% of a compound represented by the general formula II;
(3) 43 to 51% of a compound represented by the general formula III;
(4) 6 to 27% of a compound represented by the general formula IV;
(5) and 4-33% of compounds represented by general formulas V-IX.
23. The liquid crystal composition according to claim 20, wherein the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-14% of a compound represented by the general formula I;
(2) 8-25% of a compound represented by the general formula II;
(3) 40-65% of a compound represented by the general formula III;
(4) 0 to 31% of a compound represented by the general formula IV;
(5) 0 to 35% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 5-14% of a compound represented by the general formula I;
(2) 20-36% of a compound represented by the general formula II;
(3) 40-51% of a compound represented by the general formula III;
(4) 0 to 31% of a compound represented by the general formula IV;
(5) 0 to 33% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-14% of a compound represented by the general formula I;
(2) 8-36% of a compound represented by the general formula II;
(3) 40-65% of a compound represented by the general formula III;
(4) 6-31% of a compound represented by the general formula IV;
(5) 0 to 24% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 4-14% of a compound represented by the general formula I;
(2) 8-36% of a compound represented by the general formula II;
(3) 40-65% of a compound represented by the general formula III;
(4) 6-20% of a compound represented by the general formula IV;
(5) 0 to 24% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-14% of a compound represented by the general formula I;
(2) 8-30% of a compound represented by the general formula II;
(3) 40-65% of a compound represented by the general formula III;
(4) 15-31% of a compound represented by the general formula IV;
(5) 0 to 12% of a compound represented by general formula V to general formula IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-13% of a compound represented by the general formula I;
(2) 11-30% of a compound represented by the general formula II;
(3) 41-65% of a compound represented by the general formula III;
(4) 16-31% of a compound represented by the general formula IV;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 5-14% of a compound represented by the general formula I;
(2) 23-30% of a compound represented by the general formula II;
(3) 40-45% of a compound represented by the general formula III;
(4) 8-20% of a compound represented by the general formula IV;
(5) 4-10% of a compound represented by the general formula VIII;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 3-14% of a compound represented by the general formula I;
(2) 11-36% of a compound represented by the general formula II;
(3) 40-65% of a compound represented by the general formula III;
(4) 6-31% of a compound represented by the general formula IV;
(5) 0 to 10% of compounds represented by general formulas VI to IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 4-8% of a compound represented by the general formula I;
(2) 8-21% of a compound represented by the general formula II;
(3) 43-62% of a compound represented by the general formula III;
(4) 8-19% of a compound represented by the general formula IV;
(5) 3-17% of a compound represented by the general formula V;
(6) 0 to 10% of compounds represented by general formulas VI to IX;
or, the liquid crystal composition comprises the following components in percentage by mass:
(1) 5-13% of a compound represented by the general formula I;
(2) 12-30% of a compound represented by the general formula II;
(3) 43 to 51% of a compound represented by the general formula III;
(4) 6 to 27% of a compound represented by the general formula IV;
(5) and 4-33% of compounds represented by general formulas V-IX.
24. The liquid crystal composition according to claim 19, 21 or 23, wherein the sum of the total mass percentages of the components in the liquid crystal composition is 100%.
25. The liquid crystal composition according to claim 20, wherein the sum of the total mass percentages of the components in the liquid crystal composition is 100%.
26. The liquid crystal composition according to claim 22, wherein the sum of the total mass percentages of the components in the liquid crystal composition is 100%.
27. Use of the liquid crystal composition according to any one of claims 1 to 26 in a liquid crystal display device.
28. Use of the liquid crystal composition of any one of claims 1 to 26 in a fast response liquid crystal display device.
29. Use of the liquid crystal composition of any one of claims 1 to 26 in TN, IPS and FFS type liquid crystal displays.
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CN111117658A (en) * 2018-10-30 2020-05-08 江苏和成显示科技有限公司 Liquid crystal composition and display device thereof
CN111484858B (en) * 2019-01-29 2023-03-14 石家庄诚志永华显示材料有限公司 Liquid crystal composition, liquid crystal display element and liquid crystal display
CN109880639B (en) * 2019-03-29 2020-12-01 石家庄诚志永华显示材料有限公司 Liquid crystal composition, liquid crystal display element and liquid crystal display
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