CN105586057A - Liquid crystal composition and liquid crystal display device thereof - Google Patents
Liquid crystal composition and liquid crystal display device thereof Download PDFInfo
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- CN105586057A CN105586057A CN201410559741.3A CN201410559741A CN105586057A CN 105586057 A CN105586057 A CN 105586057A CN 201410559741 A CN201410559741 A CN 201410559741A CN 105586057 A CN105586057 A CN 105586057A
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- 0 *C(CC1)CCC1C(CC1)CCC1C=C Chemical compound *C(CC1)CCC1C(CC1)CCC1C=C 0.000 description 4
- JHYHMRZAJLCIHW-UHFFFAOYSA-N C=CC(CC1)CCC1C(CC1)CCC1C=C Chemical compound C=CC(CC1)CCC1C(CC1)CCC1C=C JHYHMRZAJLCIHW-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention discloses a liquid crystal composition and a liquid crystal display device thereof. The liquid crystal composition comprises one or more compounds in a general formula I-1 and/or I-2 with weight accounting for 1-30% of total weight of the liquid crystal composition; one or more compounds in a general formula II with weight accounting for 1-30% of total weight of the liquid crystal composition; one or more compounds in a general formula III with weight accounting for 15-55% of total weight of the liquid crystal composition; and one or more compounds in a general formula IV with weight accounting for 1-55% of total weight of the liquid crystal composition. The liquid crystal composition has the characteristics of wide nematic phase temperature scope, high clearing point, low rotation viscosity, appropriate high optical anisotropy, appropriate large dielectric anisotropy, good low-temperature stability, and charge conservation rate, and is suitable for the liquid crystal display device.
Description
Technical field
The present invention relates to a kind of liquid-crystal composition and liquid crystal display device thereof, particularly one has suitable optics respectively to differentProperty, suitably dielectric anisotropy, higher clearing point, lower rotary viscosity liquid-crystal composition and comprise described liquid-crystal compositionLiquid crystal display device.
Background technology
For liquid crystal display cells, be divided into PC (phasechange, phase transformation), TN (twist according to the display mode of liquid crystalNematic, twisted-nematic), STN (supertwistednematic, supertwist is to row), ECB (electricallycontrolledBirefringence, electrically conerolled birefringence), OCB (opticallycompensatedbend, optical compensation curved), IPS (in-planeSwitching, coplanar transformation), the type such as VA (verticalalignment, vertical orientation). According to the type of drive of elementBe divided into PM (passivematrix, passive-matrix) type and AM (activematrix, active-matrix) type. PM is divided intoThe types such as static (static) and multichannel (multiplex). AM is divided into TFT (thinfilmtransistor, film crystalPipe), the type such as MIM (metalinsulatormetal, metal-insulator-metal). The type of TFT has non-crystalline siliconAnd polysilicon (polycrystalsilicon) (amorphoussilicon). The latter is divided into high temperature modification and low temperature according to manufacturing processType. Liquid crystal display cells according to the type of light source be divided into utilize natural daylight reflection-type, utilize infiltration type backlight, Yi JiliWith the semi-transmission type of natural daylight and two kinds of light sources backlight.
The general characteristic of table 1. composition and AM element
| NO. | The general characteristic of composition | The general characteristic of AM element |
| 1 | Nematic temperature range is wide | Spendable temperature range is wide |
| 2 | Viscosity is little | Response time is short |
| 3 | Optical anisotropy is suitable | Contrast is large |
| 4 | Plus or minus dielectric constant anisotropy is large | Critical voltage is low, and power consumption is little, and contrast is large |
| 5 | Resistivity is large | Voltage retention is large, and contrast is large |
| 6 | To ultraviolet ray and thermally-stabilised | Life-span is long |
Liquid crystal material need to have suitably high dielectric anisotropy, optical anisotropy and good low-temperature stability. ThisOutward, liquid crystal material also should have low rotary viscosity and short response time, low threshold voltage and high-contrast. According to commercially availableLiquid crystal display cells further illustrates the property indices of composition. The operating temperature of nematic temperature range and elementScope is associated, and fusing point is lower, and clearing point is higher, and the nematic temperature range of liquid crystal is wider. Nematic ceiling temperature(being elevated to the temperature of clearing point, Cp) is preferably and is more than or equal to 70 DEG C, and nematic lower limit temperature (fallsThe low temperature to fusing point, t-40℃) be preferably and be less than or equal to-10 DEG C. The response time phase of the rotary viscosity of composition and elementAssociated. In order to show animation in element, the response time that is preferably element is short. Therefore, be preferably revolving of compositionTurn viscosity little, and be more preferably temperature when low the rotary viscosity of composition little.
Nematic temperature range is relevant with the temperature range of use liquid crystal display cells, contains nematic temperature range wideThe liquid crystal display cells of liquid-crystal composition, it can expand the temperature range of use as liquid crystal display cells.
The liquid crystal display cells of the liquid-crystal composition that the absolute value that contains dielectric anisotropy is large can reduce basic voltage value, fallLow driving voltage, and can further reduce consumption of electric power.
The liquid crystal display cells that contains the liquid-crystal composition that rotary viscosity is little can shorten the response time. When liquid crystal display cellsResponse time in short-term, shows applicable to animation. In addition, in the liquid crystal cell of liquid crystal display cells when injection liquid crystal composite,Injection length can be shortened, workability can be improved.
In available liquid crystal composition, can obtain preferably characteristic, but this species compound nematic temperature range is inadequateWide, clearing point is lower, rotary viscosity is higher, optical anisotropy is large not, dielectric anisotropy is large not, low-temperature stabilizationProperty is poor, voltage retention is low, has compared with large optical anisotropic, suitable dielectric anisotropy, better stability being mixed intoAnd better the composition of contrast helps not quite, the liquid crystal display cells contrast that directly causes comprising it is low, response speedThe adverse consequences such as slow
Therefore, need a kind of liquid-crystal composition, it has wider nematic temperature range; Higher clearing point; Low revolvesTurn viscosity; Suitable optical anisotropy; Suitable dielectric anisotropy; Good low-temperature stability, electric charge conservation rate is highEtc. at least one characteristic in characteristic.
Summary of the invention
The object of this invention is to provide a kind of have wide nematic temperature range, high clearing point, very low rotary viscosity,Suitably high optical anisotropy, suitable large dielectric anisotropy, good low-temperature stability, the high spy of electric charge conservation rateProperty in the liquid-crystal composition of at least one characteristic, the liquid crystal combination of a kind of high clearing point and very low rotary viscosity is particularly providedThing.
Another object of the present invention is to provide a kind of liquid crystal display cells, its comprise there is suitably high optical anisotropy, suitableWhen the composition of large dielectric anisotropy, the good characteristic such as low-temperature stability, electric charge conservation rate height, make liquid crystal displayElement has the characteristics such as good reliability, serviceability temperature scope are wide, fast response time.
In order to realize foregoing invention object, of the present inventionly provide a kind of liquid-crystal composition, described liquid-crystal composition comprises:
Account for one or more compound of general formula I-1 and/or I-2 of described liquid-crystal composition gross weight 1-30%
Account for one or more compound of the general formula II of described liquid-crystal composition gross weight 1-30%
Account for one or more compound of the general formula III of described liquid-crystal composition gross weight 15-55%
And
Account for one or more compound of the general formula IV of described liquid-crystal composition gross weight 1-55%
Wherein,
R1、R2、R4、R5And R6Identical or different, represent independently of one another carbon number be the fluoro of 1-7 or not byThe alkyl of fluoro, the fluoro that carbon number is 1-7 or not by the alkoxyl of fluoro, or the carbon number fluoro that is 2-7 or notBy the thiazolinyl of fluoro;
RingRingRingAnd ringIdentical or different, only separatelyOn the spot represent
L1Expression-H or-CH3；
B and c are identical or different, independently represent separately 0 or 1, wherein, in the time of b=c=0, R5And R6It is not thiazolinyl.
In some embodiments of the present invention, the compound of preferred described general formula I-1 and/or I-2 accounts for described liquid crystal combinationThe 5-30% of thing gross weight; The compound of described general formula II accounts for the 1-25% of described liquid-crystal composition gross weight; Described general formula IIICompound account for the 20-40% of described liquid-crystal composition gross weight; And the compound of described general formula IV accounts for described liquid crystal combinationThe 1-45% of thing gross weight.
In some embodiments of the present invention, preferably, the compound of described general formula I-1 selects free following compounds compositionGroup in one or more of compounds:
And
In some embodiments of the present invention, preferably, the compound of described general formula I-2 selects free following compounds compositionGroup in one or more of compounds:
And
In some embodiments of the present invention, preferably, the compound of described general formula II selects free following compounds to formOne or more of compounds in group:
And
In some embodiments of the present invention, preferably, the compound of described general formula III selects free following compounds to formOne or more of compounds in group:
And
In some embodiments of the present invention, preferably, the compound of described general formula IV selects free following compounds to formOne or more of compounds in group:
And
Wherein,
R5And R6Identical or different, represent that independently of one another carbon number is the alkyl of 1-5, the alkane that carbon number is 1-5Oxygen base.
In some embodiments of the present invention, the compound of general formula IV-1 accounts for the 0-15% of described liquid-crystal composition gross weight,As preferred version, the compound of general formula IV-1 accounts for the 0-10% of described liquid-crystal composition gross weight.
In some embodiments of the present invention, the compound of general formula IV-2 accounts for the 0-15% of described liquid-crystal composition gross weight,As preferred version, the compound of general formula IV-2 accounts for the 0-10% of described liquid-crystal composition gross weight.
In some embodiments of the present invention, the compound of general formula IV-3 accounts for the 5-35% of described liquid-crystal composition gross weight,As preferred version, the compound of general formula IV-3 accounts for the 10-30% of described liquid-crystal composition gross weight.
In some embodiments of the present invention, the compound of general formula IV-4 accounts for the 0-20% of described liquid-crystal composition gross weight,As preferred version, the compound of general formula IV-4 accounts for the 0-15% of described liquid-crystal composition gross weight.
In some embodiments of the present invention, the compound of general formula IV-5 accounts for the 0-20% of described liquid-crystal composition gross weight,As preferred version, the compound of general formula IV-5 accounts for the 0-15% of described liquid-crystal composition gross weight.
In some embodiments of the present invention, the compound of general formula IV-8 accounts for the 5-20% of described liquid-crystal composition gross weight,As preferred version, the compound of general formula IV-8 accounts for the 5-15% of described liquid-crystal composition gross weight.
In some embodiments of the present invention, preferably, the compound of described general formula IV-1 selects free following compounds compositionGroup in one or more of compounds:
And
In some embodiments of the present invention, preferably, the compound of described general formula IV-2 selects free following compounds compositionGroup in one or more of compounds:
And
In some embodiments of the present invention, preferably, the compound of described general formula IV-3 selects free following compounds compositionGroup in one or more of compounds:
And
In some embodiments of the present invention, preferably, the compound of described general formula IV-4 selects free following compounds compositionGroup in one or more of compounds:
And
In some embodiments of the present invention, preferably, the compound of described general formula IV-5 selects free following compounds compositionGroup in one or more of compounds:
And
In some embodiments of the present invention, preferably, the compound of described general formula IV-6 selects free following compounds compositionGroup in one or more of compounds:
And
In some embodiments of the present invention, preferably, the compound of described general formula IV-7 selects free following compounds compositionGroup in one or more of compounds:
And
In some embodiments of the present invention, preferably, the compound of described general formula IV-8 selects free following compounds compositionGroup in one or more of compounds:
And
In some embodiments of the present invention, preferably, the compound of described general formula IV-9 selects free following compounds compositionGroup in one or more of compounds:
And
Another aspect of the present invention provides a kind of liquid crystal display device, and described liquid crystal display device comprises liquid crystal group of the present inventionCompound.
The present invention is by above-claimed cpd is carried out to combination experiment, by with the comparison contrasting, determined and comprised above-mentioned liquid-crystalizationThe liquid-crystal composition of compound, has wide nematic temperature range, high clearing point, very low rotary viscosity, suitably highOptical anisotropy, suitable large dielectric anisotropy, good low-temperature stability, the characteristics such as electric charge conservation rate height, thisBright described liquid-crystal composition is applicable in liquid crystal display device.
In some embodiments, the very low (γ of the rotary viscosity of liquid-crystal composition of the present invention1Between 57-63), canMake liquid crystal display cells reach response faster; The clearing point high (Cp is between 97-102) of liquid-crystal composition, low gentleEnergy storage accomplishes that-40 DEG C are stored seven days not partial crystallization (t-40℃> 7 days), make liquid crystal display cells there is wide nematic temperature range,Can work at a lower temperature; The electric charge conservation rate higher (more than VHR97.0%) of liquid-crystal composition makes liquid crystal display unitPart has good reliability.
In the present invention if no special instructions, described ratio is weight ratio, and all temperature are degree celsius temperature, described inThe box selected of the test of voltage data thick be 7 μ m.
Detailed description of the invention
Below with reference to specific embodiments, the present invention is described. It should be noted that, the following examples are of the present invention showingExample, is only used for illustrating the present invention, and is not used for limiting the present invention. In the situation that not departing from purport of the present invention or scope, canCarry out other combination and various improvement in design of the present invention.
For ease of expressing, in following embodiment, the listed coded representation of table 2 for the unit structure of liquid-crystal composition:
The unit structure code of table 2 liquid-crystal compounds
Taking the compound of following structural formula as example:
This structural formula as by table 2 listed coded representation, can be expressed as: nCGUF, the n in code represents left end alkylCarbon number, for example n is " 2 ", represents that this alkyl is-C2H5; C representative " cyclohexyl " in code, in codeG represents " the fluoro-Isosorbide-5-Nitrae-phenylene of 2-", the U representative " the fluoro-Isosorbide-5-Nitrae-phenylene of 2,5-bis-" in code, and the F representative in code " get by fluorineDai Ji ".
In following examples test event to write a Chinese character in simplified form code name as follows:
Cp: clearing point (to row-isotropic phase transition temperature, DEG C)
Δ n: optical anisotropy (589nm, 20 DEG C)
Δ ε: dielectric anisotropy (1KHz, 25 DEG C)
γ 1: reverse viscosity (mPa*s, at 20 DEG C)
V90: the character voltage (normal white mode) of saturation voltage=in the time of 90% relative contrast
V10: the character voltage (normal white mode) of threshold voltage=in the time of 10% relative contrast
The t-40 DEG C of low-temperature storage time (at-40 DEG C)
Wherein, optical anisotropy use abbe's refractometer under sodium lamp (589nm) light source, 25 DEG C test; DielectricTesting cassete is TN90 type, the thick 7 μ m of box.
V10 test condition: C/1KHZ, JTSB7.0.
The each composition adopting in following embodiment, all can synthesize by known method, or pass through businessApproach obtains. These synthetic technologys are conventional, and each liquid-crystal compounds that obtains meets electrical type compound standard after tested.
According to the proportioning of each liquid-crystal composition of following examples regulation, prepare liquid-crystal composition. The system of described liquid-crystal compositionStandby is to carry out according to the conventional method of this area, as takes the ratio mixing according to the rules of the modes such as heating, ultrasonic wave, suspensionMake.
Prepare and study the liquid-crystal composition providing in the following example. Composition and its property of each liquid-crystal composition are shown belowCan parameter testing result.
Comparative example 1
The liquid-crystal composition that is mixed with comparative example 1 by each compound listed in table 3 and percetage by weight, it is filled in liquid crystalBetween display two substrates, carry out performance test, test data is as shown in the table:
Table 3 liquid-crystal composition formula and test performance thereof
Embodiment 1
The liquid-crystal composition that is mixed with embodiment 1 by each compound listed in table 4 and percetage by weight, it is filled in liquid crystalBetween display two substrates, carry out performance test, test data is as shown in the table:
Table 4 liquid-crystal composition formula and test performance thereof
Embodiment 2
The liquid-crystal composition that is mixed with embodiment 2 by each compound listed in table 5 and percetage by weight, it is filled in liquid crystalBetween display two substrates, carry out performance test, test data is as shown in the table:
Table 5 liquid-crystal composition formula and test performance thereof
Embodiment 3
The liquid-crystal composition that is mixed with embodiment 3 by each compound listed in table 6 and percetage by weight, it is filled in liquid crystalBetween display two substrates, carry out performance test, test data is as shown in the table:
Table 6 liquid-crystal composition formula and test performance thereof
Embodiment 4
The liquid-crystal composition that is mixed with embodiment 4 by each compound listed in table 7 and percetage by weight, it is filled in liquid crystalBetween display two substrates, carry out performance test, test data is as shown in the table:
Table 7 liquid-crystal composition formula and test performance thereof
Embodiment 5
The liquid-crystal composition that is mixed with embodiment 5 by each compound listed in table 8 and percetage by weight, it is filled in liquid crystalBetween display two substrates, carry out performance test, test data is as shown in the table:
Table 8 liquid-crystal composition formula and test performance thereof
Embodiment 6
The liquid-crystal composition that is mixed with embodiment 6 by each compound listed in table 9 and percetage by weight, it is filled in liquid crystalBetween display two substrates, carry out performance test, test data is as shown in the table:
Table 9 liquid-crystal composition formula and test performance thereof
Embodiment 7
The liquid-crystal composition that is mixed with embodiment 7 by each compound listed in table 10 and percetage by weight, it is filled in liquidBetween crystal display two substrates, carry out performance test, test data is as shown in the table:
Table 10 liquid-crystal composition formula and test performance thereof
Embodiment 8
The liquid-crystal composition that is mixed with embodiment 8 by each compound listed in table 11 and percetage by weight, it is filled in liquidBetween crystal display two substrates, carry out performance test, test data is as shown in the table:
Table 11 liquid-crystal composition formula and test performance thereof
With reference to comparative example 1, from the test data of above embodiment 1-8, liquid-crystal composition provided by the present invention has wideNematic temperature range, high clearing point, good low-temperature stability, can work at a lower temperature, very low revolvingTurn viscosity, electric charge conservation rate is high, suitable optical anisotropy and suitable dielectric anisotropy, be applicable to liquid crystal displayIn part.
Claims (9)
1. a liquid-crystal composition, described liquid-crystal composition comprises:
Account for one or more compound of general formula I-1 and/or I-2 of described liquid-crystal composition gross weight 1-30%
Account for one or more compound of the general formula II of described liquid-crystal composition gross weight 1-30%
Account for one or more compound of the general formula III of described liquid-crystal composition gross weight 15-55%
Account for one or more compound of the general formula IV of described liquid-crystal composition gross weight 1-55%
Wherein,
R1、R2、R4、R5And R6Identical or different, represent independently of one another carbon number be the fluoro of 1-7 or not byThe alkyl of fluoro, the fluoro that carbon number is 1-7 or not by the alkoxyl of fluoro, or the carbon number fluoro that is 2-7 or notBy the thiazolinyl of fluoro;
RingRingRingAnd ringIdentical or different, only separatelyOn the spot represent
L1Expression-H or-CH3；
B and c are identical or different, independently represent separately 0 or 1, wherein, in the time of b=c=0, R5And R6It is not thiazolinyl.
2. liquid-crystal composition according to claim 1, is characterized in that, the compound choosing of described general formula I-1 freelyOne or more of compounds in the group of following compounds composition:
The compound of described general formula I-2 selects one or more of compounds in the group of free following compounds composition:
3. liquid-crystal composition according to claim 1, is characterized in that, under the compound choosing freely of described general formula IIOne or more of compounds in the group of row compound composition:
4. liquid-crystal composition according to claim 1, is characterized in that, under the compound choosing freely of described general formula IIIOne or more of compounds in the group of row compound composition:
5. liquid-crystal composition according to claim 1, is characterized in that, under the compound choosing freely of described general formula IVOne or more of compounds in the group of row compound composition:
Wherein,
R5And R6Identical or different, represent that independently of one another carbon number is the alkyl of 1-5, the alkane that carbon number is 1-5Oxygen base.
6. liquid-crystal composition according to claim 5, is characterized in that, the compound choosing of described general formula IV-1 freelyOne or more of compounds in the group of following compounds composition:
The compound of described general formula IV-2 selects one or more of compounds in the group of free following compounds composition:
The compound of described general formula IV-3 selects one or more of compounds in the group of free following compounds composition:
The compound of described general formula IV-4 selects one or more of compounds in the group of free following compounds composition:
The compound of described general formula IV-5 selects one or more of compounds in the group of free following compounds composition:
The compound of described general formula IV-6 selects one or more of compounds in the group of free following compounds composition:
The compound of described general formula IV-7 selects one or more of compounds in the group of free following compounds composition:
The compound of described general formula IV-8 selects one or more of compounds in the group of free following compounds composition:
The compound of described general formula IV-9 selects one or more of compounds in the group of free following compounds composition:
According to described in any one in claim 1-6 liquid-crystal composition, it is characterized in that, described general formula I-1 and/Or the compound of I-2 accounts for the 5-30% of described liquid-crystal composition gross weight; The compound of described general formula II accounts for described liquid crystal combinationThe 1-25% of thing gross weight; The compound of described general formula III accounts for the 20-40% of described liquid-crystal composition gross weight; And described inThe compound of general formula IV accounts for the 1-45% of described liquid-crystal composition gross weight.
8. according to the liquid-crystal composition described in claim 7, it is characterized in that, described liquid-crystal composition comprises:
Account for the compounds Ⅳ-3-1 of described liquid-crystal composition gross weight 4%;
Account for compound III-1 of described liquid-crystal composition gross weight 40%;
Account for the chemical compounds I-2-2 of described liquid-crystal composition gross weight 5%;
Account for the chemical compounds I-2-3 of described liquid-crystal composition gross weight 4%;
Account for the chemical compounds I-2-4 of described liquid-crystal composition gross weight 3%;
Account for the compounds Ⅳ-8-1 of described liquid-crystal composition gross weight 10%;
Account for compound ii-2 of described liquid-crystal composition gross weight 6%;
Account for compound ii-3 of described liquid-crystal composition gross weight 6%;
Account for compound ii-4 of described liquid-crystal composition gross weight 4%;
Account for the compounds Ⅳ-3-13 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-3-6 of described liquid-crystal composition gross weight 4%;
Account for the compounds Ⅳ-3-7 of described liquid-crystal composition gross weight 4%;
Account for the compounds Ⅳ-5-1 of described liquid-crystal composition gross weight 2%;
Account for the compounds Ⅳ-5-3 of described liquid-crystal composition gross weight 2%; And
Account for the compounds Ⅳ-5-4 of described liquid-crystal composition gross weight 1%,
Or described liquid-crystal composition comprises:
Account for the compounds Ⅳ-4-2 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-3-1 of described liquid-crystal composition gross weight 8%;
Account for the compounds Ⅳ-3-2 of described liquid-crystal composition gross weight 3%;
Account for compound III-1 of described liquid-crystal composition gross weight 36%;
Account for the chemical compounds I-2-2 of described liquid-crystal composition gross weight 6%;
Account for the chemical compounds I-2-3 of described liquid-crystal composition gross weight 5%;
Account for the chemical compounds I-2-4 of described liquid-crystal composition gross weight 3%;
Account for the compounds Ⅳ-8-1 of described liquid-crystal composition gross weight 10%;
Account for compound ii-2 of described liquid-crystal composition gross weight 3%;
Account for compound ii-3 of described liquid-crystal composition gross weight 2%;
Account for compound ii-4 of described liquid-crystal composition gross weight 2%;
Account for the compounds Ⅳ-3-13 of described liquid-crystal composition gross weight 6%;
Account for the compounds Ⅳ-3-6 of described liquid-crystal composition gross weight 6%; And
Account for the compounds Ⅳ-3-7 of described liquid-crystal composition gross weight 5%,
Or described liquid-crystal composition comprises:
Account for the compounds Ⅳ-3-2 of described liquid-crystal composition gross weight 3%;
Account for compound III-1 of described liquid-crystal composition gross weight 38%;
Account for the chemical compounds I-2-2 of described liquid-crystal composition gross weight 5%;
Account for the chemical compounds I-2-3 of described liquid-crystal composition gross weight 5%;
Account for the chemical compounds I-2-4 of described liquid-crystal composition gross weight 4%;
Account for the compounds Ⅳ-8-1 of described liquid-crystal composition gross weight 11%;
Account for compound ii-2 of described liquid-crystal composition gross weight 5%;
Account for compound ii-3 of described liquid-crystal composition gross weight 5%;
Account for compound ii-4 of described liquid-crystal composition gross weight 4%;
Account for the compounds Ⅳ-3-13 of described liquid-crystal composition gross weight 7%;
Account for the compounds Ⅳ-3-6 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-3-7 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-5-1 of described liquid-crystal composition gross weight 1%; And
Account for the compounds Ⅳ-5-3 of described liquid-crystal composition gross weight 2%,
Or described liquid-crystal composition comprises:
Account for the compounds Ⅳ-3-1 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-4-10 of described liquid-crystal composition gross weight 4%;
Account for the compounds Ⅳ-3-2 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-1-5 of described liquid-crystal composition gross weight 4%;
Account for compound III-1 of described liquid-crystal composition gross weight 38%;
Account for the chemical compounds I-2-2 of described liquid-crystal composition gross weight 5%;
Account for the chemical compounds I-2-3 of described liquid-crystal composition gross weight 4%;
Account for the chemical compounds I-2-4 of described liquid-crystal composition gross weight 3%;
Account for the compounds Ⅳ-8-1 of described liquid-crystal composition gross weight 10%;
Account for compound ii-2 of described liquid-crystal composition gross weight 6%;
Account for compound ii-3 of described liquid-crystal composition gross weight 6%;
Account for compound ii-4 of described liquid-crystal composition gross weight 4%;
Account for the compounds Ⅳ-5-1 of described liquid-crystal composition gross weight 2%;
Account for the compounds Ⅳ-5-3 of described liquid-crystal composition gross weight 2%; And
Account for the compounds Ⅳ-5-4 of described liquid-crystal composition gross weight 2%,
Or described liquid-crystal composition comprises:
Account for the compounds Ⅳ-3-1 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-4-10 of described liquid-crystal composition gross weight 4%;
Account for the compounds Ⅳ-3-2 of described liquid-crystal composition gross weight 7%;
Account for the compounds Ⅳ-2-2 of described liquid-crystal composition gross weight 3%;
Account for compound III-1 of described liquid-crystal composition gross weight 39%;
Account for the chemical compounds I-2-2 of described liquid-crystal composition gross weight 6%;
Account for the chemical compounds I-2-3 of described liquid-crystal composition gross weight 5%;
Account for the chemical compounds I-2-4 of described liquid-crystal composition gross weight 4%;
Account for the compounds Ⅳ-8-1 of described liquid-crystal composition gross weight 10%;
Account for compound ii-2 of described liquid-crystal composition gross weight 5%;
Account for compound ii-3 of described liquid-crystal composition gross weight 4%;
Account for compound ii-4 of described liquid-crystal composition gross weight 4%;
Account for the compounds Ⅳ-5-1 of described liquid-crystal composition gross weight 1%;
Account for the compounds Ⅳ-5-3 of described liquid-crystal composition gross weight 2%; And
Account for the compounds Ⅳ-5-4 of described liquid-crystal composition gross weight 1%,
Or described liquid-crystal composition comprises:
Account for the compounds Ⅳ-4-2 of described liquid-crystal composition gross weight 4%;
Account for the compounds Ⅳ-3-1 of described liquid-crystal composition gross weight 8%;
Account for the compounds Ⅳ-3-2 of described liquid-crystal composition gross weight 4%;
Account for compound III-1 of described liquid-crystal composition gross weight 35%;
Account for the chemical compounds I-2-2 of described liquid-crystal composition gross weight 5%;
Account for the chemical compounds I-2-3 of described liquid-crystal composition gross weight 5%;
Account for the chemical compounds I-2-4 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-8-1 of described liquid-crystal composition gross weight 10%;
Account for compound ii-2 of described liquid-crystal composition gross weight 1%;
Account for compound ii-3 of described liquid-crystal composition gross weight 2%;
Account for compound ii-4 of described liquid-crystal composition gross weight 2%;
Account for the compounds Ⅳ-3-13 of described liquid-crystal composition gross weight 6%;
Account for the compounds Ⅳ-3-6 of described liquid-crystal composition gross weight 6%;
Account for the compounds Ⅳ-3-7 of described liquid-crystal composition gross weight 5%; And
Account for the compounds Ⅳ-2-2 of described liquid-crystal composition gross weight 2%,
Or described liquid-crystal composition comprises:
Account for the compounds Ⅳ-3-1 of described liquid-crystal composition gross weight 4%;
Account for compound III-1 of described liquid-crystal composition gross weight 40%;
Account for the chemical compounds I-2-2 of described liquid-crystal composition gross weight 5%;
Account for the chemical compounds I-1-3 of described liquid-crystal composition gross weight 4%;
Account for the chemical compounds I-1-4 of described liquid-crystal composition gross weight 3%;
Account for the compounds Ⅳ-8-1 of described liquid-crystal composition gross weight 10%;
Account for compound ii-2 of described liquid-crystal composition gross weight 6%;
Account for compound ii-3 of described liquid-crystal composition gross weight 6%;
Account for compound ii-4 of described liquid-crystal composition gross weight 4%;
Account for the compounds Ⅳ-3-13 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-3-6 of described liquid-crystal composition gross weight 4%;
Account for the compounds Ⅳ-3-7 of described liquid-crystal composition gross weight 4%;
Account for the compounds Ⅳ-5-1 of described liquid-crystal composition gross weight 2%;
Account for the compounds Ⅳ-5-3 of described liquid-crystal composition gross weight 2%; And
Account for the compounds Ⅳ-5-4 of described liquid-crystal composition gross weight 1%,
Or described liquid-crystal composition comprises:
Account for the compounds Ⅳ-3-1 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-4-10 of described liquid-crystal composition gross weight 4%;
Account for the compounds Ⅳ-3-2 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-1-5 of described liquid-crystal composition gross weight 4%;
Account for compound III-1 of described liquid-crystal composition gross weight 38%;
Account for the chemical compounds I-1-2 of described liquid-crystal composition gross weight 5%;
Account for the chemical compounds I-1-3 of described liquid-crystal composition gross weight 4%;
Account for the chemical compounds I-1-4 of described liquid-crystal composition gross weight 3%;
Account for the compounds Ⅳ-8-1 of described liquid-crystal composition gross weight 10%;
Account for compound ii-2 of described liquid-crystal composition gross weight 6%;
Account for compound ii-3 of described liquid-crystal composition gross weight 6%;
Account for compound ii-4 of described liquid-crystal composition gross weight 4%;
Account for the compounds Ⅳ-5-1 of described liquid-crystal composition gross weight 2%;
Account for the compounds Ⅳ-5-3 of described liquid-crystal composition gross weight 2%; And
Account for the compounds Ⅳ-5-4 of described liquid-crystal composition gross weight 2%.
9. a liquid crystal display device, described liquid crystal display device comprises the liquid described in any one in claim 1 to 8Crystal composite.
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