CN107955631B - A kind of liquid-crystal composition and its application - Google Patents
A kind of liquid-crystal composition and its application Download PDFInfo
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- CN107955631B CN107955631B CN201711170312.7A CN201711170312A CN107955631B CN 107955631 B CN107955631 B CN 107955631B CN 201711170312 A CN201711170312 A CN 201711170312A CN 107955631 B CN107955631 B CN 107955631B
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 104
- 239000000203 mixture Substances 0.000 title claims abstract description 67
- 150000001875 compounds Chemical class 0.000 claims abstract description 36
- 229910052799 carbon Inorganic materials 0.000 claims description 36
- 125000000217 alkyl group Chemical group 0.000 claims description 17
- 125000003545 alkoxy group Chemical group 0.000 claims description 8
- 125000003342 alkenyl group Chemical group 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims description 2
- 125000005291 haloalkenyloxy group Chemical group 0.000 claims description 2
- 150000001721 carbon Chemical group 0.000 claims 17
- 239000000126 substance Substances 0.000 claims 1
- 230000004044 response Effects 0.000 abstract description 7
- 230000005611 electricity Effects 0.000 abstract description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 18
- 230000008859 change Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- UWCWUCKPEYNDNV-LBPRGKRZSA-N 2,6-dimethyl-n-[[(2s)-pyrrolidin-2-yl]methyl]aniline Chemical compound CC1=CC=CC(C)=C1NC[C@H]1NCCC1 UWCWUCKPEYNDNV-LBPRGKRZSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 238000001471 micro-filtration Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- IQXYRXOYBYUMLV-UHFFFAOYSA-N 1-fluoro-2-(2-phenylphenyl)benzene Chemical group FC1=CC=CC=C1C1=CC=CC=C1C1=CC=CC=C1 IQXYRXOYBYUMLV-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- LTVOKYUPTHZZQH-UHFFFAOYSA-N difluoromethane Chemical group F[C]F LTVOKYUPTHZZQH-UHFFFAOYSA-N 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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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
-
- 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
- C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
- C09K19/46—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing esters
-
- 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
- C09K2019/0444—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit characterized by a linking chain between rings or ring systems, a bridging chain between extensive mesogenic moieties or an end chain group
- C09K2019/0466—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit characterized by a linking chain between rings or ring systems, a bridging chain between extensive mesogenic moieties or an end chain group the linking chain being a -CF2O- chain
Abstract
The present invention relates to a kind of liquid-crystal compositions.The liquid-crystal composition includes the component of following mass percent: 3~30% I -2 compound represented of one or more general formulas I -1 and/or general formula；The compound of 2~20% one or more general formulas II；The compound of 20~70% one or more general formula IIIs；The compound of 10~40% one or more general formulae IVs；The compound of 10~50% one or more general formulas V.Wherein, the structure of general formula I -1, general formula I -2, general formula II, general formula III, general formulae IV and general formula V is as follows.The utility model has the advantages that the liquid-crystal composition has higher transmitance, appropriate high clearing point, appropriate birefringent anisotropic, Gao Jie electricity anisotropic, low rotary viscosity, fast response speed.Especially suitable for TN-TFT, in the display modes such as IPS, FFS.
Description
Technical field
The present invention relates to a kind of liquid-crystal compositions, and the invention further relates to a kind of liquid-crystal compositions in field of liquid crystal
Application.
Background technique
Since the optical property of liquid crystal can change with the voltage change applied, liquid crystal is widely used as showing
Electrolyte in equipment.Liquid crystal material has been widely used in the liquid crystal such as television set, computer, mobile phone, vehicle panel at present
Display field.
In the prior art, various liquid crystal compound has been synthesized, but single liquid-crystal compounds is unable to satisfy wide work temperature
It spends, big dielectric anisotropy, required for the various liquid crystal devices such as low rotary viscosity and suitable refractive anisotrop
Performance parameter.Therefore the liquid crystal material used as liquid crystal media is all liquid-crystal composition.The angle modulated from liquid-crystal composition
Consider, these requirements is taken into account using liquid-crystal compounds of different nature, since the performance of material various aspects is mutual a bit
It restricts, such as using this short response time that may be implemented with low viscosity value, but can usually reduce clearing point again simultaneously；It mentions
High dielectric anisotropic then will increase rotary viscosity, improve operating temperature, and be difficult to take into account cryogenic property etc..If forming various function
Can good liquid-crystal composition still need to the new product of continual exploitation.
Therefore, it is necessary to a kind of liquid-crystal composition be proposed, to solve higher transmitance needed for practical application, appropriate height
Clearing point, appropriate birefringent anisotropic, Gao Jie electricity anisotropic, low rotary viscosity, fast-response speed performance the problem of.
Summary of the invention
The present invention in view of the above shortcomings of the prior art, provides a kind of higher transmitance, suitably high clearing point, appropriate pair
Reflect anisotropic, Gao Jie electricity anisotropic, low rotary viscosity, fast-response speed liquid-crystal composition.
The technical scheme to solve the above technical problems is that
A kind of liquid-crystal composition, the liquid-crystal composition includes:
It accounts for shown in the one or more general formulas I -1 and/or general formula I -2 of the 3~30% of the liquid-crystal composition gross mass
Liquid-crystal compounds；
Account for the liquid-crystal compounds of 2~20% one or more general formulas II of the liquid-crystal composition gross mass；
Account for the liquid-crystal compounds of 20~70% one or more general formula IIIs of the liquid-crystal composition gross mass；
Account for the liquid-crystal compounds of 10~40% one or more general formulae IVs of the liquid-crystal composition gross mass；
Account for the liquid-crystal compounds of 10~50% one or more general formulas V of the liquid-crystal composition gross mass；
Wherein, R1、R2、R3、R4、R5、R6、R7Alkyl that expression carbon atom number independently is 1-7, carbon atom number 1-
6 alkoxy or carbon atom number is the alkenyl of 2-6；
L1、L2、L3、L4、L5、L6、L7、L8、L9、L10Expression H or F independent；
X1、X2、X3、X4The alkyl halide that the alkyl, carbon atom number independent for indicating that F, carbon atom number are 1-6 is 1-6
The halogenated alkoxy that haloalkene alkyl that alkylene that base, carbon atom number are 2-6, carbon atom number are 2-6, carbon atom number are 1-6
Or carbon atom number is one of the haloalkenyloxy of 2-6；
Z1Indicate one of singly-bound ,-COO-；
Respectively
One of independent expression following groups are a variety of:
A, b, c, d, f, g are independent indicates 0 or 1；
E indicates 0,1 or 2；When e indicates 2,It is identical or different.
Preferably, the structure of the general formula I -1 is as follows:
Wherein R1Indicate that carbon atom number is 2~5 alkyl.
Preferably, the structure of the general formula I -2 is as follows:
Its R2Indicate that carbon atom number is 2~5 alkyl.
Preferably, the R3Indicate that carbon atom number is 2~5 alkyl.
Preferably, the structural formula of the general formula III is as follows:
Wherein, R4And R5It is identical or different, it is independent to indicate that alkyl, carbon atom number that carbon atom is 1-5 are 1-5's
Alkoxy.
Preferably, the structural formula of the general formulae IV is as follows:
Wherein, R6Indicate the alkoxy that alkyl, carbon atom number that carbon atom is 1-5 are 1-5.
Preferably, the structural formula of the general formula V is as follows:
Wherein, R7Indicate the alkoxy that alkyl, carbon atom number that carbon atom is 1-5 are 1-5.
Preferably, the liquid-crystal composition includes:
It accounts for shown in the one or more general formulas I -1 and/or general formula I -2 of the 5%~20% of the liquid-crystal composition gross mass
Compound；
Accounting for the one or more of the 5~15% of the liquid-crystal composition gross mass has LCD compound shown in general formula II
Object；
Accounting for the one or more of the 30~55% of the liquid-crystal composition gross mass has LCD compound shown in general formula III
Object；
Accounting for the one or more of the 10~28% of the liquid-crystal composition gross mass has LCD compound shown in general formulae IV
Object；
Accounting for the one or more of the 10~30% of the liquid-crystal composition gross mass has LCD compound shown in general formula V
Object.
The present invention also provides a kind of electrooptics liquid crystal displays, including described in any item liquid-crystal compositions among the above.
Application of the liquid-crystal composition that the present invention also provides a kind of as described in any one of above-mentioned in field of liquid crystal display.
Application of the liquid-crystal composition that the present invention also provides a kind of as described in any one of above-mentioned in TN-TFT display.
The TN-TFT liquid crystal display further includes optically active substance, the quality of the optically active substance be the generalformulaⅰcompound~
0.05~0.3wt% of the sum of IV compound quality.
One aspect of the present invention reasonably introduces in the structure of single crystal compound multiple by the change to monomer structure, i.e.,
Functional groups play the effect for taking into account multiple performance；On the other hand by optimum organization to various liquid-crystal compositions and excellent
Ratio is matched, by test, it is different to have reached high transmittance, appropriate high clearing point, appropriate birefringent anisotropic, high dielectric items
The effect of property, low rotary viscosity, fast-response speed.
Specific embodiment
Illustrate the present invention below with reference to specific embodiment.It should be noted that the following examples are the present invention
Example, be only used to illustrate the present invention, and be not limited to the present invention.Without departing from the spirit or scope of the invention,
It can carry out other combinations and the various improvement in present inventive concept.
Two or more liquid-crystal compounds are mixed using conventional method and are produced by liquid-crystal composition of the invention, are such as existed
The method preparation for mixing different component under high temperature and being soluble in one another, wherein liquid-crystal composition is dissolved in and is used for the compound
It in solvent and mixes, then distills out the solvent under reduced pressure；Or liquid-crystal composition of the invention can be conventionally
Preparation, such as will wherein the lesser component of content dissolve among the major components with large content at a higher temperature, or by each institute
Belong to component to dissolve in organic solvent, such as acetone, chloroform or methanol, be obtained after removing solvent after then mixing solution.
Percentage in the present invention is weight percentage, and temperature is degree Celsius (DEG C).If there is no other explanation, other symbols
Specific meaning and test condition are as follows:
Cp (DEG C) indicates the clearing point of liquid crystal.
S-N indicates the crystalline state of liquid crystal to nematic fusing point (DEG C).
△ n is optical anisotropy, and no is the refractive index of ordinary light, and ne is the refractive index of extraordinary ray, and test condition is,
589nm wavelength, 25 DEG C.Measuring instrument: Abbe refractometer
△ ε is dielectric anisotropy, △ ε=ε ∥-ε ⊥, wherein ε ∥ is the dielectric constant for being parallel to molecular axis, and ε ⊥ is
Perpendicular to the dielectric constant of molecular axis, test condition is 25 DEG C；Measuring instrument: INSTEC:ALCT-IR1；20 microns of parallel boxes,
It is not added with chiral agent.
γ 1: rotary viscosity (mPas), test condition are 25 ± 0.2 DEG C.
Measuring instrument: INSTEC:ALCT-IR1；20 microns of parallel boxes, are not added with chiral agent.
Liquid-crystal composition in the embodiment of the present invention is using the heat of solution or concussion mixed method generally used in the industry, first
Liquid-crystal compounds is weighed by weight percentage with balance, wherein weighing addition sequence without particular requirement, usually with liquid-crystal compounds
The sequence of fusing point from high to low successively weighs mixing, shakes in heating stirring or earthquake machine so that each component under 60 DEG C of constant temperature
It melts uniformly, then filters, finally encapsulated up to target sample through absorption, micro-filtration membrane microfiltration.
Each ingredient used by below in an example, the synthesis can be carried out by known methods, or passes through
Commercial sources obtain.These synthetic technologys be it is conventional, acquired each liquid-crystal compounds meets electrical type compound mark after tested
It is quasi-.
Embodiment 1
The formula of liquid-crystal composition is as follows:
Embodiment 2
The formula of liquid-crystal composition is as follows:
Embodiment 3
The formula of liquid-crystal composition is as follows:
Embodiment 4
The formula of liquid-crystal composition is as follows:
Embodiment 5
The formula of liquid-crystal composition is as follows:
Embodiment 6
The formula of liquid-crystal composition is as follows:
Embodiment 7
The formula of liquid-crystal composition is as follows:
Embodiment 8
The formula of liquid-crystal composition is as follows:
Embodiment 9
The formula of liquid-crystal composition is as follows:
Embodiment 10
The formula of liquid-crystal composition is as follows:
Embodiment 11
The formula of liquid-crystal composition is as follows:
By reasonably introducing difluoro methylene ether linking group, high dielectric anisotropic, low rotary viscosity, fast sound are played
Answer the effect of speed；By introducing fluoro terphenyl group, so that optical anisotropy is in OK range.But it is certain improving
While performance, because the change of structure will cause the reduction of other performances, such as because the introducing of difluoro methylene ether group can make liquid
Brilliant clearing point is greatly lowered, to constrain the space of liquid crystal compound response speed promotion.
1- embodiment 12 can obtain through the foregoing embodiment, one aspect of the present invention is existed by the change to monomer structure
Multiple functional groups are reasonably introduced in the structure of single crystal compound, play the effect for taking into account multiple performance；On the other hand logical
Cross the optimum organization to various liquid-crystal compositions and optimum ratio, by test, reached high transmittance, appropriate high clearing point,
The effect of appropriate birefringent anisotropic, Gao Jie electricity anisotropic, low rotary viscosity, fast-response speed.
The preparation method of the resulting liquid-crystal composition of the embodiment of the present invention, using method conventional use of in industry preparation
.
The present invention can be summarized with others without prejudice to the concrete form of spirit or essential characteristics of the invention.Therefore, nothing
By from the point of view of which point, the embodiment above of the invention can only all be considered the description of the invention and cannot limit this hair
Bright, claims indicate the scope of the present invention, and above-mentioned explanation does not point out the scope of the present invention, therefore, with this
Any change in the comparable meaning and scope of claims of invention is all considered as including in claim of the invention
In the range of book.
Claims (10)
1. a kind of liquid-crystal composition, which is characterized in that the liquid-crystal composition includes:
It accounts for and liquid-crystalizes shown in the one or more general formulas I -1 and/or general formula I -2 of the 3 ~ 30% of the liquid-crystal composition gross mass
Close object；
Ⅰ-1
Ⅰ-2
Account for the liquid-crystal compounds of 2 ~ 20% one or more general formulas II of the liquid-crystal composition gross mass；
Ⅱ
Account for the liquid-crystal compounds of 20 ~ 70% one or more general formula IIIs of the liquid-crystal composition gross mass；
Ⅲ
Account for the liquid-crystal compounds of 10 ~ 40% one or more general formulae IVs of the liquid-crystal composition gross mass；
Ⅳ
Account for the liquid-crystal compounds of 10 ~ 50% one or more general formulas V of the liquid-crystal composition gross mass；
Ⅴ
Wherein, R1、R2、R3、R4、R5、R6、 R7Alkyl that expression carbon atom number independently is 1-7, carbon atom number are 1-6's
The alkenyl that alkoxy or carbon atom number are 2-6；
L1、L2、L3、L4 、L5 、L6、L7、L8、L9、L10Expression H or F independent；
X1、X2、X3、X4Halogenated alkyl that the alkyl, carbon atom number independent for indicating that F, carbon atom number are 1-6 is 1-6, carbon
Halogenated alkoxy that haloalkene alkyl that alkylene that atomicity is 2-6, carbon atom number are 2-6, carbon atom number are 1-6 or
Carbon atom number is one of the haloalkenyloxy of 2-6；
Z1Indicate one of singly-bound ,-COO-；
、、、、、、It is respectively independent
One of expression following groups:
、、；
One of independent expression following groups:
、、、、、、；
A, b, c, d, f, g are independent indicates 0 or 1；
E indicates 0,1 or 2；When e indicates 2, twoIt is identical or different.
2. liquid-crystal composition as described in claim 1, which is characterized in that the structure of the general formula I -1 is as follows:
Ⅰ-1-1
Ⅰ-1-2
Ⅰ-1-3
Ⅰ-1-4
Wherein R1Indicate that carbon atom number is 2 ~ 5 alkyl；
The structure of the general formula I -2 is as follows:
Ⅰ-2-1
Ⅰ-2-2
Ⅰ-2-3
Ⅰ-2-4
Its R2Indicate that carbon atom number is 2 ~ 5 alkyl.
3. liquid-crystal composition as claimed in claim 2, which is characterized in that the R3Indicate that carbon atom number is 2 ~ 5 alkyl.
4. liquid-crystal composition as claimed in claim 3, which is characterized in that the structural formula of the general formula III is as follows:
Ⅲ-1
Ⅲ-2
Ⅲ-3
Ⅲ-4
Ⅲ-5
Ⅲ-6
Ⅲ-7
Ⅲ-8
Ⅲ-9
Wherein, R4And R5Alcoxyl identical or different, that the alkyl, carbon atom number independent for indicating that carbon atom is 1-5 is 1-5
Base.
5. liquid-crystal composition as claimed in claim 4, which is characterized in that the structural formula of the general formulae IV is as follows:
Ⅳ-1
Ⅳ-2
Ⅳ-3
Ⅳ-4
Ⅳ-5
Ⅳ-6
Ⅳ-7
Ⅳ-8
Ⅳ-9
Ⅳ-10
Ⅳ-11
Ⅳ-12
Ⅳ-13
Ⅳ-14
Ⅳ-15
Ⅳ-16
Ⅳ-17
Ⅳ-18
Wherein, R6Indicate the alkoxy that alkyl, carbon atom number that carbon atom is 1-5 are 1-5.
6. liquid-crystal composition as claimed in claim 5, which is characterized in that the structural formula of the general formula V is as follows:
Ⅴ-1
Ⅴ-2
Ⅴ-3
Ⅴ-4
Ⅴ-5
Ⅴ-6
Ⅴ-7
Ⅴ-8
Ⅴ-9
Ⅴ-10
Ⅴ-11
Ⅴ-12
Ⅴ-13
Ⅴ-14
Ⅴ-15
Ⅴ-16
Ⅴ-17
Ⅴ-18
Ⅴ-19
Ⅴ-20
Ⅴ-21
Ⅴ-22
Ⅴ-23
Ⅴ-24
Wherein, R7Indicate the alkoxy that alkyl, carbon atom number that carbon atom is 1-5 are 1-5.
7. liquid-crystal composition as claimed in claim 6, which is characterized in that the liquid-crystal composition includes:
Account for chemical combination shown in the one or more general formulas I -1 and/or general formula I -2 of the 5% ~ 20% of the liquid-crystal composition gross mass
Object；
Accounting for the one or more of the 5 ~ 15% of the liquid-crystal composition gross mass has liquid-crystal compounds shown in general formula II；
Accounting for the one or more of the 30 ~ 55% of the liquid-crystal composition gross mass has liquid-crystal compounds shown in general formula III；
Accounting for the one or more of the 10 ~ 28% of the liquid-crystal composition gross mass has liquid-crystal compounds shown in general formulae IV；
Accounting for the one or more of the 10 ~ 30% of the liquid-crystal composition gross mass has liquid-crystal compounds shown in general formula V.
8. a kind of electrooptics liquid crystal display, which is characterized in that including the liquid crystal combination as described in any one of claim 1 ~ 7
Object.
9. a kind of liquid-crystal composition as described in any one of claim 1 ~ 7 is in the application of field of liquid crystal display.
10. a kind of application of liquid-crystal composition as claimed in any one of claims 1 to 7 in TN-TFT display.
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| CN108690639A (en) * | 2018-06-22 | 2018-10-23 | 烟台显华化工科技有限公司 | A kind of liquid-crystal composition and its application |
| CN108659851A (en) * | 2018-06-22 | 2018-10-16 | 烟台显华化工科技有限公司 | A kind of liquid-crystal compounds and its preparation method and application containing difluoro-methoxy bridged bond |
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| US10023799B2 (en) * | 2013-02-20 | 2018-07-17 | Jnc Corporation | Liquid crystal compound, liquid crystal composition and liquid crystal display device |
| CN103242860B (en) * | 2013-05-15 | 2014-11-05 | 江苏和成显示科技股份有限公司 | Liquid crystal composition and liquid crystal display device |
| CN104293357B (en) * | 2013-07-16 | 2016-06-29 | 江苏和成显示科技股份有限公司 | There is liquid-crystal composition and the display device thereof of high permeability |
| CN104342168B (en) * | 2013-08-06 | 2016-08-10 | 江苏和成显示科技股份有限公司 | There is liquid-crystal composition and the liquid crystal display device of good low temperature storage stability |
| CN104371743B (en) * | 2013-08-16 | 2017-05-03 | 江苏和成显示科技股份有限公司 | Liquid crystal composition and liquid crystal display device |
| CN104371746B (en) * | 2013-08-16 | 2016-05-25 | 江苏和成显示科技股份有限公司 | Liquid-crystal composition and liquid crystal display device |
| CN104629773B (en) * | 2013-11-06 | 2017-01-11 | 江苏和成显示科技股份有限公司 | Liquid crystal composition and display device thereof |
| CN104629772B (en) * | 2013-11-06 | 2017-07-28 | 江苏和成显示科技股份有限公司 | Positive liquid crystal composition and its display device with high transmittance |
| CN105087017B (en) * | 2014-04-23 | 2017-12-08 | 江苏和成显示科技股份有限公司 | Liquid-crystal composition and its display device with fast-response speed |
| JP6398442B2 (en) * | 2014-08-06 | 2018-10-03 | Jnc株式会社 | Liquid crystalline compound, liquid crystal composition and liquid crystal display device |
| CN106635057B (en) * | 2015-11-02 | 2018-09-11 | 江苏和成显示科技有限公司 | Liquid-crystal composition and liquid crystal display device |
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