CN105586045A - 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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- CN105586045A CN105586045A CN201410559330.4A CN201410559330A CN105586045A CN 105586045 A CN105586045 A CN 105586045A CN 201410559330 A CN201410559330 A CN 201410559330A CN 105586045 A CN105586045 A CN 105586045A
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- JEQRLAREGBHODZ-UHFFFAOYSA-N CC(CC1)CCC1c(cc1)ccc1-c(cc1F)cc(F)c1F Chemical compound CC(CC1)CCC1c(cc1)ccc1-c(cc1F)cc(F)c1F JEQRLAREGBHODZ-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention discloses a liquid crystal composition. The liquid crystal composition comprises one or more compounds selected in a general formula I-1 and/or a formula I-2; one or more compounds selected in a general formula II; and one or more compounds selected in a general formula III. The liquid crystal composition has characteristics of appropriate optical anisotropy, appropriate dielectric anisotropy, high clearing point, fast response speed, and good low temperature storage stability. The liquid crystal composition can be used in a liquid crystal display device, so that the liquid crystal display device has the characteristics of rapid response requirement, high reliability, and normal work at high temperature and low temperature.
Description
Technical field
The present invention relates to a kind of liquid-crystal composition, particularly a kind ofly there is suitable optical anisotropy, suitable dielectric is eachThe liquid-crystal composition of anisotropy, higher clearing point, faster response speed and good low temperature storage stability, and bagContaining the liquid crystal display device of this liquid-crystal composition.
Background technology
Liquid crystal material is at a certain temperature, not only has the mobility of liquid but also have the anisotropic organic bar-shaped of crystalThe mixture of micromolecular compound. Liquid crystal display cells is optical anisotropy and the dielectric of utilizing liquid crystal material itself to haveAnisotropy is carried out work, is widely used at present. Utilize the different characteristic of liquid crystal material and working method,Can design device to various mode of operation, TN pattern that what wherein conventional display generally used have (distortion toRow pattern, liquid crystal compound has the nematic structure of torsion resistance approximately 90 degree), STN pattern (supertwist nematic-mode),SBE pattern (supertwist birefringence), ecb mode (electrically conerolled birefringence), VA pattern (arranged vertically), IPS (faceInternal conversion) etc., also have the improved mode of much making according to above various patterns.
For liquid crystal display, possess good chemistry and heat endurance, good stable to electric field and electromagnetic radiationLiquid-crystal compounds and the liquid crystal media of property, suitable optical anisotropy, faster response speed and lower threshold voltage areMeet current needs. Because liquid crystal uses usually used as the mixture of various ingredients, dissolving each other each other between each component is aobviousParticularly important, and according to different battery types and application, liquid crystal must meet different requirements, as electrical conductivity,Dielectric anisotropy and optical anisotropy etc., but the shortcoming significantly existing is in the prior art the response time of growing,Low resistivity and operating voltage are excessively high, as EP0673986, DE19528106, DE19528107.
Response speed is the important evaluation index of liquid crystal display, and response speed is excessively slow, and display frame just there will be motion blur phenomenon,Therefore require liquid crystal display to there is fast response speed. In order to improve the response speed of liquid crystal display, can select and reduceThe methods such as box is thick, improvement type of drive, raising driving voltage, the quick liquid-crystal composition responding of employing. But no matter what adoptsKind method, the weakening that always brings other performances of liquid crystal display. As change type of drive, tend to cause IC to be driven intoThis rising, circuit are more complicated; Improve driving voltage, power consumption also can increase thereupon; Reduce box thick, can increase production technologyDifficulty, cause the defects such as box thickness ununiformity, cause the decline of liquid crystal display yield.
Above mode of ameliorating is all to set about from the making of LCDs, and in fact, liquid crystal panel manufacturer can be more prone to choosingThe liquid crystal material of selecting fast-response speed improves the response speed of liquid crystal display. But the properties of liquid crystal material is mutual systemApproximately, accelerate the response speed reduction that tends to bring clearing point, cause the LCDs can not be under high temperature or low temperature environmentWork, high low temperature unfailing performance reduces, and when serious, can cause liquid crystal display cannot normally show at low temperatures.
Therefore,, in liquid crystal material field, need to there is the novel liquid crystalline compositions of improving performance. Especially, answer for manyBy type, liquid-crystal composition must have suitable wide nematic phase range, suitable refractive index, dielectric anisotropy,Response speed and good low temperature storage stability faster.
Summary of the invention
Goal of the invention: the technical issues that need to address of the present invention are to provide a kind of liquid-crystal composition, have higher clearing point,Faster in the characteristic such as response speed, good low temperature storage stability, high-temperature stability and UV stability at least oneCharacteristic, is applicable in liquid crystal display device, makes this liquid crystal display device have quick response, equal in low temperature and hot environmentThe characteristic that can normally work. In addition, liquid-crystal composition provided by the invention also has suitable optical anisotropy and suitableDielectric anisotropy.
The technical solution used in the present invention is:
A kind of liquid-crystal composition, described liquid-crystal composition comprises:
One or more select the compound of free general formula I-1 and/or general formula I-2
One or more select the compound of free general formula II
And
One or more select the compound of free general formula III
Wherein,
R1、R2、R3、R4And R5Identical or different, represent that independently of one another carbon number is 1 to 5 alkyl or alcoxylBase, or carbon number is 2 to 5 thiazolinyl;
X1Represent F or-OCF3；
L1And L2Identical or different, represent independently of one another H or F;
Identical or different, represent independently of one anotherOrDescribedUpper one or more H can be replaced by F;
M represents 0,1 or 2;
N represents 1 or 2.
In embodiments of the invention, to account for described liquid-crystal composition total for the compound of described general formula I-1 and/or general formula I-2The 2-30% of weight; The compound of described general formula II accounts for the 35-75% of described liquid-crystal composition gross weight; And described general formulaThe compound of III accounts for the 15-60% of described liquid-crystal composition gross weight.
In some embodiments of the present invention, the group of the freely following compound composition of the compound of preferred described general formula I-1 choosingIn one or more compounds:
And
In some embodiments of the present invention, the group of the freely following compound composition of the compound of preferred described general formula I-2 choosingIn one or more compounds:
And
In some embodiments of the present invention, in the group of the freely following compound composition of the compound of preferred described general formula II choosingOne or more compounds:
And
Wherein,
R3And R4Identical or different, represent that independently of one another carbon number is 1 to 5 alkyl.
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula II-1 choosing:And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula II-2 choosing:And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula II-3 choosing:
And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula II-4 choosing:
And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula II-5 choosing:
And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula II-6 choosing:
And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula II-7 choosing:
And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula II-8 choosing:
And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula II-9 choosing:
And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula II-10 choosing:
And
As scheme particularly preferably, one or more chemical combination in the group that the freely following compound of compound choosing of general formula II formsThing:
And
In some embodiments of the present invention, a kind of in the group of the freely following compound composition of the compound of described general formula III choosingOr multiple compounds
And
Wherein,
R5Represent that independently of one another carbon number is 2 to 5 alkyl.
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula III-1 choosing:
And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula III-2 choosing:
And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula III-3 choosing:
And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula III-4 choosing:
And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula III-5 choosing:
And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula III-6 choosing:
And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula III-7 choosing:
And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula III-8 choosing:
And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula III-9 choosing:
And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula III-10 choosing:
And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula III-11 choosing:
And
As scheme particularly preferably, one or more changes in the group that the freely following compound of compound choosing of described general formula III formsCompound:
And
More preferably, the compound of described general formula I-1 and/or general formula I-2 accounts for the 4-30% of described liquid-crystal composition gross weight;The compound of described general formula II accounts for the 40-70% of described liquid-crystal composition gross weight; And the compound of described general formula III accounts for instituteState the 20-50% of liquid-crystal composition gross weight.
In some embodiments of the present invention, the compound of described general formula I-1 accounts for described liquid-crystal composition gross weight0-20％。
In some embodiments of the present invention, the compound of described general formula I-2 accounts for described liquid-crystal composition gross weight0-20％。
In some embodiments of the present invention, the compound of described general formula I-1 accounts for described liquid-crystal composition gross weight2-15%; And the compound of described general formula I-2 accounts for the 2-15% of described liquid-crystal composition gross weight.
The present invention provides the liquid-crystal compounds of a kind of general formula I-2 on the other hand,
Wherein,
R2Represent that carbon number is 1 to 5 alkyl.
As scheme particularly preferably, the group that the freely following compound of described liquid-crystal compounds choosing forms:
Further aspect of the present invention provides a kind of liquid crystal display, and of the present invention provided liquid crystal group is provided described liquid crystal displayCompound.
Liquid-crystal composition provided by the present invention has suitable optical anisotropy, suitable dielectric anisotropy, higherClearing point and wider nematic temperature range, compared to the prior art, liquid-crystal composition provided by the invention has moreFast response speed and good low temperature storage stability, be applicable in liquid crystal display device, makes this liquid crystal display device toolThere is quick response, the characteristic of demonstration that all can be good in low temperature and hot environment.
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 response time data thick be 7 μ m.
Brief description of the drawings
Fig. 1 is the MS figure of chemical compounds I-2-2.
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 1 for the unit structure of liquid-crystal composition:
The unit structure code of table 1 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: nCPUF, the n in code represents left end alkylC atomicity, for example n is " 3 ", represents that this alkyl is-C3H7; C in code represents cyclohexyl.
In following examples test event to write a Chinese character in simplified form code name as follows:
Cp (DEG C): clearing point (to row-isotropic phase transition temperature)
Δ n: optical anisotropy (589nm, 25 DEG C)
Δ ε: dielectric anisotropy (1KHz, 25 DEG C)
η: kinematic viscosity (mm2·s-1, 25 DEG C, except as otherwise noted)
τ on: until the time (ms) while reaching transmitance 90%
τ off: until the time (ms) when reaching transmitance 10% and cutting off
τ: Ton+Toff (response time) (ms)
t-30℃: the low-temperature storage time (at-30 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.
Δ ε=ε ∥-ε ⊥, wherein, ε ∥ is the dielectric constant that is parallel to molecular axis, ε ⊥ is the dielectric constant perpendicular to molecular axis, surveysExamination condition: 25 DEG C, 1KHz, testing cassete are TN90 type, the thick 7 μ m of box.
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.
Compound preparation example
The compound of general formula I-2 uses the raw material can business obtaining, obtain by the method for suzuki coupling, synthetic route asUnder:
Wherein, R2Represent that carbon number is 1 to 5 alkyl. Compd A and compd B all can obtain by commercial sources.
Prepare the compound of following structural formula by said method:
Work as R2＝C2H5Time, obtain the compound of following structural formula by said method:
Work as R2＝C3H7Time, obtain the compound of following structural formula by said method:
Work as R2＝C4H9Time, obtain the compound of following structural formula by said method:
Work as R2＝C5H11Time, obtain the compound of following structural formula by said method:
Table 2 compound liquid crystal property parameter
| Compound | Δn | Cp | Δε |
| Ⅰ-2-1 | 0.20 | 235 | 7.3 |
| Ⅰ-2-2 | 0.23 | 252 | 7.2 |
| Ⅰ-2-3 | 0.22 | 263 | 7.0 |
| Ⅰ-2-4 | 0.23 | 281 | 7.0 |
The MS figure of chemical compounds I-2-2 is shown in Fig. 1.
Reference examples 1
The liquid-crystal composition that is mixed with reference examples 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
From above embodiment 1 and reference examples 1, close in optical anisotropy, dielectric anisotropy and kinematic viscosityIn situation, liquid-crystal composition of the present invention has shorter response time and better low temperature storage stability.
Reference examples 2
The liquid-crystal composition that is mixed with reference examples 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 2
The liquid-crystal composition that is mixed with embodiment 2 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
From above embodiment 2 and reference examples 2, at optical anisotropy, dielectric anisotropy, clearing point and mobileIn the close situation of viscosity, liquid-crystal composition of the present invention has shorter response and better low temperature storage stability.
Reference examples 3
The liquid-crystal composition that is mixed with reference examples 3 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 3
The liquid-crystal composition that is mixed with embodiment 3 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
From above embodiment 3 and reference examples 3, at optical anisotropy, dielectric anisotropy, clearing point and mobileIn the close situation of viscosity, liquid-crystal composition of the present invention has shorter response time and better low temperature stable storageProperty.
Reference examples 4
The liquid-crystal composition that is mixed with reference examples 4 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 4
The liquid-crystal composition that is mixed with embodiment 4 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
From above embodiment 4 and reference examples 4, at optical anisotropy, dielectric anisotropy, clearing point and mobile stickySpend in close situation, liquid-crystal composition of the present invention has shorter response time and better low temperature storage stability.Reference examples 5
The liquid-crystal composition that is mixed with reference examples 5 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
Embodiment 5
The liquid-crystal composition that is mixed with embodiment 5 by each compound listed in table 12 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 12 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 13 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 13 liquid-crystal composition formula and test performance thereof
From above embodiment 5, embodiment 6 and reference examples 5, in optical anisotropy, dielectric anisotropy, limpidIn point and the close situation of kinematic viscosity, liquid-crystal composition of the present invention has shorter response time and better low temperatureStorage stability.
Above embodiment is only explanation technical conceive of the present invention and feature, and its object is to have allowed person skilled in the artSeparate content of the present invention being implemented, can not limit the scope of the invention with this, all according to the present invention Spirit Essence instituteThe equivalence of doing changes or modifies, and all should be encompassed in protection scope of the present invention.
Although described several exemplary with details in the above, disclosed embodiment is only exampleProperty and nonrestrictive, and those skilled in the art will easily recognize, a lot of other amendments in exemplary,It is possible changing and/or replacing, and essence does not depart from novel teachings of the present disclosure and advantage. Therefore, all these are repaiiedChange, change and/or replace intention and be included in the scope of the present disclosure limiting as appended claims.
Claims (15)
1. a liquid-crystal composition, is characterized in that, described liquid-crystal composition comprises:
One or more select the compound of free general formula I-1 and/or general formula I-2
One or more select the compound of free general formula II
One or more select the compound of free general formula III
Wherein,
R1、R2、R3、R4And R5Identical or different, represent that independently of one another carbon number is 1 to 5 alkyl or alcoxylBase, or carbon number is 2 to 5 thiazolinyl;
X1Represent F or-OCF3；
L1And L2Identical or different, represent independently of one another H or F;
Identical or different, represent independently of one another DescribedUpper one or more H can be replaced by F;
M represents 0,1 or 2;
N represents 1 or 2.
2. liquid-crystal composition according to claim 1, is characterized in that, described general formula I-1 and/or general formula I-2Compound accounts for the 2-30% of described liquid-crystal composition gross weight; The compound of described general formula II accounts for described liquid-crystal composition gross weight35-75%; And the compound of described general formula III accounts for the 15-60% of described liquid-crystal composition gross weight.
3. liquid-crystal composition according to claim 1, is characterized in that, the compound choosing of described general formula I-1 freelyOne or more compounds in the group of following compound composition:
And
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula I-2:
4. liquid-crystal composition according to claim 1, is characterized in that, the choosing of the compound of described general formula II freely withOne or more compounds in the group of lower compound composition:
Wherein,
R3And R4Identical or different, represent that independently of one another carbon number is 1 to 5 alkyl.
5. liquid-crystal composition according to claim 1, is characterized in that, the choosing of the compound of described general formula III freely withOne or more compounds in the group of lower compound composition
Wherein,
R5Represent that independently of one another carbon number is 2 to 5 alkyl.
6. liquid-crystal composition according to claim 4, is characterized in that, the compound choosing of described general formula II-1 freelyOne or more compounds in the group of following compound composition:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula II-2:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula II-3:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula II-4:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula II-5:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula II-6:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula II-7:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula II-8:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula II-9:
And
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula II-10:
7. liquid-crystal composition according to claim 5, is characterized in that, the compound choosing of described general formula III-1 freelyOne or more compounds in the group of following compound composition:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula III-2:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula III-3:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula III-4:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula III-5:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula III-6:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula III-7:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula III-8:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula III-9:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula III-10:
And
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula III-11:
8. according to the liquid-crystal composition described in any one in claim 2-7, it is characterized in that, described general formula I-1 and/orThe compound of general formula I-2 accounts for the 4-30% of described liquid-crystal composition gross weight; The compound of described general formula II accounts for described liquid crystal groupThe 40-70% of compound gross weight; And the compound of described general formula III accounts for the 20-50% of described liquid-crystal composition gross weight.
9. liquid-crystal composition according to claim 8, is characterized in that, described in the compound of described general formula I-1 accounts forThe 0-20% of liquid-crystal composition gross weight.
10. liquid-crystal composition according to claim 8, is characterized in that, described in the compound of described general formula I-2 accounts forThe 0-20% of liquid-crystal composition gross weight.
11. liquid-crystal compositions according to claim 8, is characterized in that, described in the compound of described general formula I-1 accounts forThe 2-15% of liquid-crystal composition gross weight; And the compound of described general formula I-2 accounts for described liquid-crystal composition gross weight2-15％。
12. liquid-crystal compositions according to claim 8, is characterized in that, described liquid-crystal composition comprises:
Account for the compound ii-8-2 of described liquid-crystal composition gross weight 5%;
Account for the chemical compounds I-1-1 of described liquid-crystal composition gross weight 5%;
Account for the compound ii-10-2 of described liquid-crystal composition gross weight 5%;
Account for the chemical compounds I-2-2 of described liquid-crystal composition gross weight 5%;
Account for the compound III-1-2 of described liquid-crystal composition gross weight 5%;
Account for the compound III-5-2 of described liquid-crystal composition gross weight 13%;
Account for the compound III-4-2 of described liquid-crystal composition gross weight 10%;
Account for the compound III-9-2 of described liquid-crystal composition gross weight 5%;
Account for the compound III-11-1 of described liquid-crystal composition gross weight 10%;
Account for the compound ii-1-1 of described liquid-crystal composition gross weight 10%; And
Account for the compound ii-2-1 of described liquid-crystal composition gross weight 27%;
Or described liquid-crystal composition comprises:
Account for the compound ii-10-2 of described liquid-crystal composition gross weight 5%;
Account for the chemical compounds I-2-2 of described liquid-crystal composition gross weight 10%;
Account for the compound III-2-1 of described liquid-crystal composition gross weight 5%;
Account for the compound III-6-2 of described liquid-crystal composition gross weight 10%;
Account for the compound III-7-1 of described liquid-crystal composition gross weight 2%;
Account for the compound III-10-4 of described liquid-crystal composition gross weight 3%;
Account for the compound ii-1-4 of described liquid-crystal composition gross weight 18%;
Account for the compound ii-5-1 of described liquid-crystal composition gross weight 12%; And
Account for the compound ii-2-1 of described liquid-crystal composition gross weight 35%;
Or described liquid-crystal composition comprises:
Account for the compound ii-3-2 of described liquid-crystal composition gross weight 5%;
Account for the compound ii-4-2 of described liquid-crystal composition gross weight 10%;
Account for the chemical compounds I-1-2 of described liquid-crystal composition gross weight 10%;
Account for the compound III-2-1 of described liquid-crystal composition gross weight 5%;
Account for the compound III-5-2 of described liquid-crystal composition gross weight 10%;
Account for the compound III-4-2 of described liquid-crystal composition gross weight 10%;
Account for the compound III-10-4 of described liquid-crystal composition gross weight 3%;
Account for the compound III-3-2 of described liquid-crystal composition gross weight 5%;
Account for the compound ii-2-1 of described liquid-crystal composition gross weight 33%;
Account for the compound ii-9-4 of described liquid-crystal composition gross weight 5%; And
Account for the compound ii-5-1 of described liquid-crystal composition gross weight 4%;
Or described liquid-crystal composition comprises:
Account for the chemical compounds I-1-3 of described liquid-crystal composition gross weight 2%;
Account for the compound III-6-2 of described liquid-crystal composition gross weight 10%;
Account for the compound III-7-1 of described liquid-crystal composition gross weight 10%;
Account for the compound III-9-2 of described liquid-crystal composition gross weight 5%;
Account for the compound III-11-1 of described liquid-crystal composition gross weight 7%;
Account for the chemical compounds I-2-4 of described liquid-crystal composition gross weight 13%;
Account for the compound ii-6-1 of described liquid-crystal composition gross weight 2%;
Account for the compound ii-7-2 of described liquid-crystal composition gross weight 2%; And
Account for the compound ii-2-1 of described liquid-crystal composition gross weight 49%;
Or described liquid-crystal composition comprises:
Account for the compound ii-4-2 of described liquid-crystal composition gross weight 10%;
Account for the chemical compounds I-2-3 of described liquid-crystal composition gross weight 2%;
Account for the compound III-6-2 of described liquid-crystal composition gross weight 10%;
Account for the compound III-7-1 of described liquid-crystal composition gross weight 5%;
Account for the compound III-9-2 of described liquid-crystal composition gross weight 5%;
Account for the compound III-11-1 of described liquid-crystal composition gross weight 5%;
Account for the compound III-8-2 of described liquid-crystal composition gross weight 5%;
Account for the compound ii-1-1 of described liquid-crystal composition gross weight 20%;
Account for the compound ii-1-4 of described liquid-crystal composition gross weight 10%;
Account for the chemical compounds I-1-4 of described liquid-crystal composition gross weight 13%;
Account for the compound ii-6-1 of described liquid-crystal composition gross weight 3%; And
Account for the compound ii-2-1 of described liquid-crystal composition gross weight 12%;
Or described liquid-crystal composition comprises:
Account for the chemical compounds I-2-1 of described liquid-crystal composition gross weight 7%;
Account for the chemical compounds I-2-2 of described liquid-crystal composition gross weight 8%;
Account for the chemical compounds I-1-1 of described liquid-crystal composition gross weight 7%;
Account for the chemical compounds I-1-2 of described liquid-crystal composition gross weight 8%;
Account for the compound III-2-2 of described liquid-crystal composition gross weight 4%;
Account for the compound III-6-1 of described liquid-crystal composition gross weight 3%;
Account for the compound III-6-2 of described liquid-crystal composition gross weight 4%;
Account for the compound III-7-1 of described liquid-crystal composition gross weight 3%;
Account for the compound III-7-2 of described liquid-crystal composition gross weight 4%; And
Account for the compound ii-2-1 of described liquid-crystal composition gross weight 52%.
The liquid-crystal compounds of 13. 1 kinds of general formula I-2,
Wherein,
R2Represent that carbon number is 1 to 5 alkyl.
14. liquid-crystal compounds according to claim 11, is characterized in that, below described liquid-crystal compounds choosing freelyThe group of compound composition:
15. 1 kinds of liquid crystal displays, is characterized in that, it comprises the liquid-crystal composition described in claim 1-10 any one.
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| EP1310542A1 (en) * | 2001-11-07 | 2003-05-14 | MERCK PATENT GmbH | Liquid crystalline compound, medium and display |
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| CN101772561A (en) * | 2007-08-31 | 2010-07-07 | 智索株式会社 | Liquid crystal composition and liquid crystal display element |
| CN103254905A (en) * | 2013-04-25 | 2013-08-21 | 石家庄诚志永华显示材料有限公司 | Liquid crystal display composition |
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| EP0439089B1 (en) * | 1990-01-25 | 1995-07-12 | MERCK PATENT GmbH | Halogenated terphenyls and liquid crystal medium |
| EP1310542A1 (en) * | 2001-11-07 | 2003-05-14 | MERCK PATENT GmbH | Liquid crystalline compound, medium and display |
| CN1521233A (en) * | 2003-02-14 | 2004-08-18 | Ĭ��ר���ɷ�����˾ | Cristallines medium |
| CN101772561A (en) * | 2007-08-31 | 2010-07-07 | 智索株式会社 | Liquid crystal composition and liquid crystal display element |
| CN103254905A (en) * | 2013-04-25 | 2013-08-21 | 石家庄诚志永华显示材料有限公司 | Liquid crystal display composition |
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