CN108531195A - A kind of liquid-crystal composition of high transmittance and its application - Google Patents

A kind of liquid-crystal composition of high transmittance and its application Download PDF

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Publication number
CN108531195A
CN108531195A CN201810291153.4A CN201810291153A CN108531195A CN 108531195 A CN108531195 A CN 108531195A CN 201810291153 A CN201810291153 A CN 201810291153A CN 108531195 A CN108531195 A CN 108531195A
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general formula
compound representated
compound
liquid
crystal composition
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陈卯先
邢文丽
储士红
陈海光
姜天孟
未欣
王新颖
田会强
苏学辉
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Beijing Bayi Space LCD Technology Co Ltd
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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

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  • Crystallography & Structural Chemistry (AREA)
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  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
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Abstract

The present invention relates to a kind of liquid-crystal composition of high transmittance and its application, the liquid-crystal composition includes：Compound, the compound representated by least one or more of general formula III and the compound representated by least one or more of general formula IV representated by compound, at least one or more of general formula II representated by least one or more of general formula I.Liquid-crystal composition of the present invention has big vertical dielectric constant, ratio with low parallel dielectric Yu vertical dielectric constant, its use in IPS or FFS mode display can be obviously improved the transmitance of liquid crystal display, effectively improve display effect and reduce energy consumption.

Description

A kind of liquid-crystal composition of high transmittance and its application
Technical field
The present invention relates to a kind of liquid-crystal composition, specifically a kind of nematic phase liquid crystal composition and its application.
Background technology
Currently, LCD product technologies are ripe, the technologies such as visual angle, resolution ratio, color saturation and brightness are successfully solved Problem, display performance already close to or be more than CRT monitor.Large scale and small-medium size LCD are gradual in respective field Occupy the dominant position of flat-panel monitor.
With the promotion that consumer requires display, high-res panel becomes the developing direction of liquid crystal display panel, with Panel resolution increases, and the aperture opening ratio of liquid crystal display panel declines, and brightness is caused drastically to decline, and in order to promote brightness, needs to reinforce carrying on the back Brightness, and then need to consume more electric energy for promoting backlight illumination.This greatly improves the energy consumption of backlight and reduction Backlight life.So the transmitance for promoting liquid crystal display panel becomes the difficult point of current liquid crystal display.
Specifically, for IPS (being converted in face) and FFS (fringing field effect) mode display, liquid-crystal composition is reduced ε||/ε⊥(ratio of parallel dielectric and vertical dielectric) can effectively promote the transmitance of liquid crystal display.It is provided by the present invention Liquid-crystal composition significantly reduce the ε of liquid-crystal composition||/ε⊥, play the good effect for promoting transmitance.
Invention content
The purpose of the present invention is to provide a kind of liquid-crystal composition, the liquid-crystal composition provided has big vertical Jie Electric, higher transmitance.The liquid-crystal composition, including：Compound representated by least one or more of general formula I, at least one Kind or a variety of general formula II representated by compound, compound and at least one representated by least one or more of general formula III Or the compound representated by a variety of general formula IV；
The general formula I is specially：
In the general formula I, R1Represent C1~C12Straight chained alkyl, wherein one or more non-conterminous CH2It can be by O, S Or CH=CH is replaced；N represents 0 or 1 each independently；
The general formula II is specially：
In the general formula II, R2、R3C is represented each independently1~C12Straight chained alkyl, alkoxy or C2~C12Straight chain Alkenyl；Wherein one or more non-conterminous CH2It can be replaced by O, S or CH=CH；A represents trans- 1,4- cyclohexyl or 1, 4- phenylenes；
The general formula III is specially：
In the general formula III, R4、R5C is represented each independently1~C12Straight chained alkyl, unbranched alkoxy or C2~C12 Straight-chain alkenyl；B, C represents trans- 1,4- cyclohexyl or 1,4- phenylenes each independently；
The general formula IV is specially：
In the general formula IV, R6Represent C1~C12Straight chained alkyl or C2~C12Straight-chain alkenyl, R7Represent C1~C12's Straight chained alkyl；D represents trans- 1,4- cyclohexyl or 1,4- phenylenes.
Present invention further propose that, the compound representated by the general formula I is to contain 2- methyl -3,4,5- trifluoro-benzene knots The polar compound of structure and difluoro-methoxy bridged bond, the structure have big dielectric anisotropy.
Compound representated by the general formula I is the one or more of structure shown in Formulas I A, Formulas I B：
In the Formulas I A, Formulas I B, R1Represent C1~C7Straight chained alkyl；
Preferably, in the Formulas I A, Formulas I B, R1Represent C2~C5Straight chained alkyl；
It is highly preferred that the compound representated by the general formula I is selected from representated by Formulas I A1~Formulas I A4, Formulas I B1~Formulas I B4 Compound it is one or more：
It is further preferred that the general formula I be Formulas I A2, IB1, IB2 representated by compound in it is one or more, especially It is one or both of Formulas I A2, IB2.
Preferably, liquid-crystal composition provided by the present invention includes the change representated by the general formula I of 5~20% weight percent Close object, the compound representated by the general formula I of more preferably 12~15% weight percent.
Present invention further propose that, the compound representated by the general formula II contains 2,3- difluorobenzene structures, the structure With big vertical dielectric.Compound representated by the general formula II is one or more in structure shown in Formula II A, Formula II B：
In the Formula II A, Formula II B, R2Represent C1~C7Straight chained alkyl, R3Represent C1~C7Straight chained alkyl or straight chain alkane Oxygroup；
Preferably, R2Represent C2~C5Straight chained alkyl, R3Represent C1~C4Straight chained alkyl or unbranched alkoxy；
It is highly preferred that the compound representated by the general formula II is selected from Formula II A1~Formula II A20, Formula II B1~Formula II B24 The one or more of representative compound：
It is further preferred that compound representated by the general formula II be selected from IIA10, IIA13, IIA14, IIA15, It is one or more in IIA16, IIA18, IIB13, IIB14, IIB22.
Preferably, one kind in IIA13, IIA14, IIB13, IIB14 of the compound representated by the general formula II or It is a variety of；
It is highly preferred that the compound representated by the general formula II is selected from one or both of IIA14, IIB14.
Preferably, liquid-crystal composition provided by the present invention includes representated by the general formula II of 10~25% weight percent Compound, the compound representated by the general formula II of more preferably 12~20% weight percent；Particularly preferred 12~15% it is logical Compound representated by Formula II.
Present invention further propose that, the compound twin nuclei representated by the general formula III, the structure has low rotation Turn viscosity.Compound representated by the general formula III is formula III A, one or more in structure shown in formula III B, formula III C：
In the formula III A, formula III B and formula III C, R4Represent C1~C7Straight chained alkyl；R5Represent C1~C7Straight chain alkane Base, unbranched alkoxy or C2~C7Straight-chain alkenyl；
Preferably, in the formula III A, formula III B and formula III C, R4Represent C1~C5Straight chained alkyl；R5Represent C1~C5 Straight chained alkyl, unbranched alkoxy or C2~C5Straight-chain alkenyl；
It is furthermore preferred that the compound representated by the general formula III is selected from formula III A1~formula III A30, formula III B1~formula The one or more of compound representated by IIIB24, formula III C1~formula III C24：
It is highly preferred that compound representated by the general formula III be selected from IIIA1, IIIA2, IIIB22, IIIC2, IIIC4, It is one or more in IIIC15, IIIC16；It is one or more in particularly preferred IIIA1, IIIA2, IIIC4.
Preferably, liquid-crystal composition provided by the present invention includes the compound representated by 30~65% general formula III；More Preferably, liquid-crystal composition provided by the present invention includes the compound representated by the general formula III of 54~62% weight percent.
Present invention further propose that, the compound representated by the general formula IV is the chemical combination representated by formula IV A, formula IV B Object it is one or more：
In the formula IV A, formula IV B, R6Represent C2~C7Straight chained alkyl or straight-chain alkenyl；R7Represent C1~C7Straight chain Alkyl；
Preferably, in the formula IV A, formula IV B, R6Represent C2~C5Straight chained alkyl or straight-chain alkenyl； R7Represent C1~C5 Straight chained alkyl；
It is highly preferred that compound representated by the general formula IV is selected from formula IV A1~formula IV A18, formula IV B1~formula IV B22 knots It is one or more in structure：
It is further preferred that compound representated by the general formula IV be selected from IVA1, IVA8, IVA12, IVB3, IVB12, It is one or more in IVB16, IVB18；Especially preferably, the compound representated by the general formula IV be selected from IVA8, IVB12, It is one or more in IVB16.
Preferably, liquid-crystal composition provided by the present invention includes representated by the general formula IV of 5~30% weight percent Compound；It is highly preferred that liquid-crystal composition provided by the present invention includes representated by the general formula IV of 9~17% weight percent Compound；It is particularly preferred that liquid-crystal composition provided by the present invention includes the general formula IV institutes of 11~17% weight percent The compound of representative.
Present invention further propose that, the liquid-crystal composition includes the compound of following weight percent：
1) compound representated by 5~30% general formula I；
2) compound representated by 5~30% general formula II；
3) compound representated by 30~70% general formula III；
4) compound representated by 5~30% general formula IV；
Preferably, the liquid-crystal composition includes following components in percentage by weight：
1) compound representated by 10~20% general formula I；
2) compound representated by 10~25% general formula II；
3) compound representated by 50~65% general formula III；
4) compound representated by 6~20% general formula IV.
It is highly preferred that the liquid-crystal composition includes following components in percentage by weight：
1) compound representated by 12~15% general formula I；
2) compound representated by 12~20% general formula II；
3) compound representated by 54~62% general formula III；
4) compound representated by 9~17% general formula IV.
It is further preferred that the liquid-crystal composition includes following components in percentage by weight：
1) compound representated by 12~15% general formula I；
2) compound representated by 12~15% general formula II；
3) compound representated by 56~62% general formula III；
4) compound representated by 11~17% general formula IV.
Present invention further propose that, the liquid-crystal composition includes the compound of following weight percent：
1) compound representated by 12~15% general formula I；
2) compound representated by 15% general formula II；
3) compound representated by 56~62% general formula III；
4) compound representated by 11~16% general formula IV；
Or,
The liquid-crystal composition includes the compound of following weight percent：
1) compound representated by 12~15% general formula I；
2) compound representated by 15% general formula II；
3) compound representated by 56~62% general formula III；
4) compound representated by 11~14% general formula IV；
Or,
The liquid-crystal composition includes the compound of following weight percent：
1) compound representated by 12~15% general formula I；
2) compound representated by 15% general formula II；
3) compound representated by 56~59% general formula III；
4) compound representated by 14% general formula IV；
Or,
The liquid-crystal composition includes the compound of following weight percent：
1) compound representated by 14% general formula I；
2) compound representated by 15% general formula II；
3) compound representated by 54~57% general formula III；
4) compound representated by 14~17% general formula IV；
Or,
The liquid-crystal composition includes the compound of following weight percent：
1) compound representated by 12~14% general formula I；
2) compound representated by 12~15% general formula II；
3) compound representated by 54~62% general formula III；
4) compound representated by 11~17% general formula IV.
Present invention further propose that, the liquid-crystal composition includes the compound of following weight percent：
Preferably, the liquid-crystal composition includes the compound of following weight percent：
It is highly preferred that the liquid-crystal composition includes the compound of following weight percent：
Liquid-crystal composition provided by the present invention increases liquid-crystal composition by adding the compound representated by general formula II Vertical dielectric promotes dielectric anisotropic by the compound representated by general formula I, and then obtains the liquid for the vertical dielectric for having big Crystal composite promotes liquid crystal display transmitance, and the rotation that composition is reduced by adding the compound representated by general formula III sticks Degree, promotes the response time, and the compound representated by addition general formula IV promotes the elastic constant and clearing point of composition.Pass through each group The optimum organization divided, and then obtain the liquid-crystal composition of the high transmittance with fast-response.
The preparation method of liquid-crystal composition of the present invention can be used conventional method and change two or more without specifically limited It closes object mixing to be produced, such as be prepared by the method for mixing different component at high temperature and being soluble in one another, wherein by liquid crystal group It closes object to be dissolved in the solvent for the compound and mix, then distills out the solvent under reduced pressure；Or it is of the present invention Liquid-crystal composition can be prepared conventionally, and the smaller component of wherein content is such as dissolved in content at a higher temperature In larger key component, or each affiliated component dissolved in organic solvent, such as acetone, chloroform or methanol, it then will be molten It is obtained after liquid mixing removal solvent.
Another object of the present invention is to the liquid-crystal compositions to be applied in liquid crystal display；It is preferred that in fast-response liquid crystal Application in display；Application more preferably in IPS or FFS mode display.Liquid-crystal composition of the present invention has big Vertical dielectric constant, and then the ratio with low parallel dielectric and vertical dielectric constant, in IPS or FFS mode display In use can be obviously improved the transmitance of liquid crystal display, effectively improve display effect and reduce energy consumption.
Description of the drawings
Fig. 1 is the transmitance simulation curve comparison diagram of embodiment 1 and liquid-crystal composition described in comparative example 1.
Specific implementation mode
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Unless otherwise indicated, percentage is weight percentage in the present invention；Temperature unit is degree Celsius；△ n represent optics Anisotropy (25 DEG C)；ε||And ε⊥Respectively represent parallel and vertical dielectric constant (25 DEG C, 1000Hz)；△ ε represent dielectric respectively to Anisotropic (25 DEG C, 1000Hz)；γ 1 represents rotary viscosity (mPa.s, 25 DEG C)；Cp represents the clearing point (DEG C) of liquid-crystal composition； K11、K22、K33Respectively represent splay, distortion and bend elastic constant (pN, 25 DEG C).
In following embodiment, unit structure code shown in table 1 indicates in liquid-crystal compounds.
The group structure code of 1 liquid-crystal compounds of table
By taking following compound structure as an example：
It is expressed as：4CDUQKF
It is expressed as：5CCPUF
In following embodiment, the preparation of liquid-crystal composition is all made of heat of solution method, includes the following steps：It is pressed with balance Weight percent weighs liquid-crystal compounds, wherein weighing addition sequence without particular requirement, usually with liquid-crystal compounds fusing point by height Mixing is weighed successively to low sequence, heating stirring makes each component melt uniform at 60~100 DEG C, using filter, rotates, It finally encapsulates up to target sample.
In following embodiment, the performance parameter of the weight percent of each component when liquid-crystal composition is shown in liquid-crystal composition Following table.
Embodiment 1
The weight percent of each component when performance parameter in 2 liquid-crystal composition of table
Embodiment 2
The weight percent of each component when performance parameter in 3 liquid-crystal composition of table
Embodiment 3
The weight percent of each component when performance parameter in 4 liquid-crystal composition of table
Embodiment 4
The weight percent of each component when performance parameter in 5 liquid-crystal composition of table
Embodiment 5
The weight percent of each component when performance parameter in 6 liquid-crystal composition of table
Embodiment 6
The weight percent of each component when performance parameter in 7 liquid-crystal composition of table
Embodiment 7
The weight percent of each component when performance parameter in 8 liquid-crystal composition of table
Embodiment 8
The weight percent of each component when performance parameter in 9 liquid-crystal composition of table
Embodiment 9
The weight percent of each component when performance parameter in 10 liquid-crystal composition of table
Embodiment 10
The weight percent of each component when performance parameter in 11 liquid-crystal composition of table
Embodiment 11
The weight percent of each component when performance parameter in 12 liquid-crystal composition of table
Embodiment 12
The weight percent of each component when performance parameter in 13 liquid-crystal composition of table
Embodiment 13
The weight percent of each component when performance parameter in 14 liquid-crystal composition of table
Comparative example 1
The weight percent of each component when performance parameter in 15 liquid-crystal composition of table
Compared with embodiment 1 is summarized with each performance parameter value of 1 gained liquid-crystal composition of comparative example, referring to table 16.
The performance parameter of 16 liquid-crystal composition of table compares
△n ε|| ε⊥ △ε Cp ε||/ε⊥
Embodiment 1 0.097 6.4 3.6 +2.8 81 1.777
Comparative example 1 0.097 5.4 2.6 +2.8 80 2.077
Known to relatively：Compared with comparative example 1, the liquid-crystal composition that embodiment 1 provides has low parallel dielectric and hangs down The ratio of straight dielectric, so having higher transmitance.
Transmitance is carried out to embodiment 1 and comparative example 1 to simulate to obtain following data table 17：
17 embodiment 1 of table is compared with 1 transmitance of comparative example
Embodiment 1 Comparative example 1
Transmitance 0.2864 0.2722
Embodiment 1 promotes 5% or so relative to the transmitance of comparative example 1.Simulation curve such as Fig. 1
As seen from the above embodiment, liquid-crystal composition provided by the present invention has big vertical dielectric, and then with more The ratio of low parallel dielectric and vertical dielectric further has higher transmitance.Therefore, liquid crystal group provided by the present invention IPS the or FFS type TFT liquid crystal display devices that object is suitable for are closed, the transmitance of liquid crystal display can be obviously improved, reduce backlight The energy loss in source, especially suitable for fast-response FFS type TV liquid crystal displays.
Although above the present invention is described in detail with a general description of the specific embodiments, On the basis of the present invention, it can be made some modifications or improvements, this is obvious for field technology personnel.Therefore, These modifications or improvements without departing from theon the basis of the spirit of the present invention belong to the scope of protection of present invention.

Claims (10)

1. a kind of liquid-crystal composition of high transmittance, which is characterized in that include：Change representated by least one or more of general formula I Close object, the compound representated by least one or more of general formula II, the compound representated by least one or more of general formula III with And the compound representated by least one or more of general formula IV；
The general formula I is specially：
In the general formula I, R1Represent C1~C12Straight chained alkyl, wherein one or more non-conterminous CH2It can be by O, S or CH =CH is replaced；N represents 0 or 1 each independently；
The general formula II is specially：
In the general formula II, R2、R3C is represented each independently1~C12Straight chained alkyl, alkoxy or C2~C12Straight-chain alkenyl； Wherein one or more non-conterminous CH2It can be replaced by O, S or CH=CH；A represents trans- 1,4- cyclohexyl or 1,4- is sub- Phenyl；
The general formula III is specially：
In the general formula III, R4、R5C is represented each independently1~C12Straight chained alkyl, unbranched alkoxy or C2~C12Straight chain Alkenyl；B, C represents trans- 1,4- cyclohexyl or 1,4- phenylenes each independently；
The general formula IV is specially：
In the general formula IV, R6Represent C1~C12Straight chained alkyl or C2~C12Straight-chain alkenyl, R7Represent C1~C12Straight chain alkane Base；D represents trans- 1,4- cyclohexyl or 1,4- phenylenes.
2. liquid-crystal composition according to claim 1, which is characterized in that compound representated by the general formula I be Formulas I A, Structure is one or more shown in Formulas I B：
In the Formulas I A, Formulas I B, R1Represent C1~C7Straight chained alkyl；
Preferably, in the Formulas I A, Formulas I B, R1Represent C2~C5Straight chained alkyl；
It is highly preferred that the compound representated by the general formula I is selected from the chemical combination representated by Formulas I A1~Formulas I A4, Formulas I B1~Formulas I B4 Object it is one or more：
It is further preferred that the general formula I be Formulas I A2, IB1, IB2 representated by compound in it is one or more, especially One or both of Formulas I A2, IB2.
3. liquid-crystal composition according to claim 1 or 2, which is characterized in that the compound representated by the general formula II is It is one or more in structure shown in Formula II A, Formula II B：
In the Formula II A, Formula II B, R2Represent C1~C7Straight chained alkyl, R3Represent C1~C7Straight chained alkyl or straight chain alcoxyl Base；
Preferably, R2Represent C2~C5Straight chained alkyl, R3Represent C1~C4Straight chained alkyl or unbranched alkoxy；
It is highly preferred that the compound representated by the general formula II is selected from Formula II A1~Formula II A20, Formula II B1~Formula II B24 institute's generations The one or more of the compound of table：
It is further preferred that compound representated by the general formula II be selected from IIA10, IIA13, IIA14, IIA15, IIA16, It is one or more in IIA18, IIB13, IIB14, IIB22.
4. liquid-crystal composition according to claim 3, which is characterized in that the compound representated by the general formula II is selected from It is one or more in IIA13, IIA14, IIB13, IIB14；
Preferably, the compound representated by the general formula II is selected from one or both of IIA14, IIB14.
5. according to Claims 1 to 4 any one of them liquid-crystal composition, which is characterized in that the change representated by the general formula III Conjunction object is formula III A, one or more in formula III B, structure shown in formula III C：
In the formula III A, formula III B and formula III C, R4Represent C1~C7Straight chained alkyl；R5Represent C1~C7Straight chained alkyl, Unbranched alkoxy or C2~C7Straight-chain alkenyl；
Preferably, in the formula III A, formula III B and formula III C, R4Represent C1~C5Straight chained alkyl；R5Represent C1~C5It is straight Alkyl group, unbranched alkoxy or C2~C5Straight-chain alkenyl；
It is furthermore preferred that the compound representated by the general formula III is selected from formula III A1~formula III A30, formula III B1~formula The one or more of compound representated by IIIB24, formula III C1~formula III C24：
It is highly preferred that compound representated by the general formula III be selected from IIIA1, IIIA2, IIIB22, IIIC2, IIIC4, It is one or more in IIIC15, IIIC16；It is one or more in particularly preferred IIIA1, IIIA2, IIIC4.
6. according to Claims 1 to 5 any one of them liquid-crystal composition, which is characterized in that the change representated by the general formula IV Conjunction object is the one or more of the compound representated by formula IV A, formula IV B：
In the formula IV A, formula IV B, R6Represent C2~C7Straight chained alkyl or straight-chain alkenyl；R7Represent C1~C7Straight chained alkyl；
Preferably, in the formula IV A, formula IV B, R6Represent C2~C5Straight chained alkyl or straight-chain alkenyl；R7Represent C1~C5It is straight Alkyl group；
It is highly preferred that compound representated by the general formula IV is in formula IV A1~formula IV A18, formula IV B1~formula IV B22 structures It is one or more：
It is further preferred that compound representated by the general formula IV be selected from IVA1, IVA8, IVA12, IVB3, IVB12, It is one or more in IVB16, IVB18；Especially preferably, the compound representated by the general formula IV be selected from IVA8, IVB12, It is one or more in IVB16.
7. according to claim 1~6 any one of them liquid-crystal composition, which is characterized in that the liquid-crystal composition include with The compound of lower weight percent：
1) compound representated by 5~30% general formula I；
2) compound representated by 5~30% general formula II；
3) compound representated by 30~70% general formula III；
4) compound representated by 5~30% general formula IV；
Preferably, the liquid-crystal composition includes following components in percentage by weight：
1) compound representated by 10~20% general formula I；
2) compound representated by 10~25% general formula II；
3) compound representated by 50~65% general formula III；
4) compound representated by 6~20% general formula IV；
It is highly preferred that the liquid-crystal composition includes following components in percentage by weight：
1) compound representated by 12~15% general formula I；
2) compound representated by 12~20% general formula II；
3) compound representated by 54~62% general formula III；
4) compound representated by 9~17% general formula IV；
It is further preferred that the liquid-crystal composition includes following components in percentage by weight：
1) compound representated by 12~15% general formula I；
2) compound representated by 12~15% general formula II；
3) compound representated by 56~62% general formula III；
4) compound representated by 11~17% general formula IV.
8. liquid-crystal composition according to claim 7, which is characterized in that the liquid-crystal composition includes following weight percent The compound of ratio：
1) compound representated by 12~15% general formula I；
2) compound representated by 15% general formula II；
3) compound representated by 56~62% general formula III；
4) compound representated by 11~16% general formula IV；
Or,
The liquid-crystal composition includes the compound of following weight percent：
1) compound representated by 12~15% general formula I；
2) compound representated by 15% general formula II；
3) compound representated by 56~62% general formula III；
4) compound representated by 11~14% general formula IV；
Or,
The liquid-crystal composition includes the compound of following weight percent：
1) compound representated by 12~15% general formula I；
2) compound representated by 15% general formula II；
3) compound representated by 56~59% general formula III；
4) compound representated by 14% general formula IV；
Or,
The liquid-crystal composition includes the compound of following weight percent：
1) compound representated by 14% general formula I；
2) compound representated by 15% general formula II；
3) compound representated by 54~57% general formula III；
4) compound representated by 14~17% general formula IV；
Or,
The liquid-crystal composition includes the compound of following weight percent：
1) compound representated by 12~14% general formula I；
2) compound representated by 12~15% general formula II；
3) compound representated by 54~62% general formula III；
4) compound representated by 11~17% general formula IV.
9. liquid-crystal composition according to claim 7 or 8, which is characterized in that the liquid-crystal composition includes following weight The compound of percentage：
Preferably, the liquid-crystal composition includes the compound of following weight percent：
It is highly preferred that the liquid-crystal composition includes the compound of following weight percent：
10. being applied in liquid crystal display according to claim 1~9 any one of them liquid-crystal composition；It is preferred that in fast-response liquid Application in crystalline substance display；Application more preferably in IPS or FFS mode display.
CN201810291153.4A 2018-03-30 2018-03-30 A kind of liquid-crystal composition of high transmittance and its application Pending CN108531195A (en)

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