CN105586050A - Liquid crystal composition and liquid-crystal display device - Google Patents
Liquid crystal composition and liquid-crystal display device Download PDFInfo
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- CN105586050A CN105586050A CN201410557466.1A CN201410557466A CN105586050A CN 105586050 A CN105586050 A CN 105586050A CN 201410557466 A CN201410557466 A CN 201410557466A CN 105586050 A CN105586050 A CN 105586050A
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- 0 C[C@](*)(c1ccc(C)cc1)IC Chemical compound C[C@](*)(c1ccc(C)cc1)IC 0.000 description 9
- SQYYXMQMQNKBIV-UHFFFAOYSA-N C=[I]Oc(cc1)ccc1-c(cc1)ccc1-c(ccc(C1CCC(CN)CC1)c1)c1F Chemical compound C=[I]Oc(cc1)ccc1-c(cc1)ccc1-c(ccc(C1CCC(CN)CC1)c1)c1F SQYYXMQMQNKBIV-UHFFFAOYSA-N 0.000 description 1
- JYSBNPDQCNKVCB-UHFFFAOYSA-N CC(CC1)CCC1C(CC1)CCC1c(cc1)cc(F)c1C(C)=C Chemical compound CC(CC1)CCC1C(CC1)CCC1c(cc1)cc(F)c1C(C)=C JYSBNPDQCNKVCB-UHFFFAOYSA-N 0.000 description 1
- NRNDJCIQSVKOFY-UHFFFAOYSA-N CCC(c(cc1)ccc1-c1ccc(-c2cc(F)c(C(Oc(cc3F)cc(F)c3F)(F)F)c(F)c2)c(F)c1)I Chemical compound CCC(c(cc1)ccc1-c1ccc(-c2cc(F)c(C(Oc(cc3F)cc(F)c3F)(F)F)c(F)c2)c(F)c1)I NRNDJCIQSVKOFY-UHFFFAOYSA-N 0.000 description 1
- JIJFGKZBFLAQTR-UHFFFAOYSA-N CCC1OC(C)OCC1 Chemical compound CCC1OC(C)OCC1 JIJFGKZBFLAQTR-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention provides a liquid crystal composition. The liquid crystal composition comprises one or more compounds as shown in the general formula I-1 and/or general formula I-2; one or more compounds as shown in the general formula II; one or more compounds as shown in the general formula III; and one or more compounds as shown in the general formula IV. The liquid crystal composition has characteristics of proper optical anisotropy, proper dielectric anisotropy, high clearing point, good cryogenic storage stability, good high-temperature stability and UV stability and the like, is applicable to a liquid crystal display, can effectively reduce driving voltage and also can be applied to a harsh operating environment. The invention also discloses a liquid-crystal display device containing the liquid crystal composition.
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 eachAnisotropy, good low temperature storage stability, good high-temperature stability and the liquid-crystal composition of UV 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 reduction that response speed tends to bring clearing point, cause LCDs under hot environment, not work,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 optical anisotropy, dielectric respectively toDifferent in nature and good high-temperature stability.
Summary of the invention
The invention provides a kind of have good low temperature storage stability, good high-temperature stability and the liquid of UV stabilityCrystal composite. Described liquid-crystal composition, applicable in liquid crystal display, can reduce driving voltage effectively, makes this liquid crystalDisplay has that the response time is short, reliability is high, the characteristic such as can normally work in rugged environment. In addition the present invention,The liquid-crystal composition providing also has suitable optical anisotropy, suitable dielectric anisotropy and higher clearing point.
One aspect of the present invention provides a kind of liquid-crystal composition, and described liquid-crystal composition comprises:
The compound of one or more general formula I-1 and/or general formula I-2
The compound of one or more general formula II
The compound of one or more general formula III
And
The compound of one or more general formula IV
Wherein,
R1、R2、R3、R4、R5And R6Identical or different, represent independently of one another carbon number be 1 to 5 alkyl orAlkoxyl, 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, independently of one anotherRepresentDescribedUpper one or more H can be replaced by F;
Represent
M represents 0,1 or 2;
N represents 1 or 2, and, in the time of n=2,Can be identical or different, X simultaneously1Represent F;
P represents 0 or 1.
In some embodiments of the present invention, the compound of described general formula I-1 and/or general formula I-2 accounts for described liquid crystal combinationThe 1-30% of thing gross weight; The compound of described general formula II accounts for the 30-70% of described liquid-crystal composition gross weight; Described general formulaThe compound of III accounts for the 1-25% of described liquid-crystal composition gross weight; And the compound of described general formula IV accounts for described liquid crystal combinationThe 5-50% of thing 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.
In some embodiments of the present invention, in the group of the freely following compound composition of the compound of preferred described general formula III choosingOne or more compounds
And
Wherein,
R5Represent that carbon number is 2 to 5 alkyl.
In some embodiments of the present invention, in the group of the freely following compound composition of the compound of preferred described general formula IV choosingOne or more compounds:
And
Wherein,
R6Represent that 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 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, particularly preferably one in the group of the freely following compound composition of the compound of described general formula II choosingOr multiple compounds:
And
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 many in the group of the freely following compound composition of compound choosing of preferred described general formula IIIPlant compound:
And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula IV-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 IV-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 IV-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 IV-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 IV-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 IV-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 IV-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 IV-11 choosing:
And
More preferably, one or more compounds in the group of the freely following compound composition of the compound of described general formula IV-12 choosing:
And
As scheme particularly preferably, particularly preferably one in the group of the freely following compound composition of the compound of described general formula IV choosingOr multiple compounds:
And
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 35-65% of described liquid-crystal composition gross weight; The compound of described general formula III accounts for described liquidThe 1-20% of crystal composite gross weight; And the compound of described general formula IV accounts for the 10-40% of described liquid-crystal composition gross weight.
The present invention provides a kind of liquid crystal display on the other hand, and of the present invention provided liquid crystal is provided described liquid crystal displayComposition.
The present invention adopts technique scheme, and compared to the prior art obtained technological progress has:
Liquid-crystal composition provided by the present invention has wider nematic temperature range, good low temperature storage stability, goodGood high-temperature stability and UV stability, be applicable in liquid crystal display device, makes this liquid crystal display device have quick responseCharacteristic, can in rugged environment, normally work.
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, 20 DEG C)
Δ ε: dielectric anisotropy (1KHz, 25 DEG C)
VHR (initially): voltage retention (%)
Voltage retention (%) after VHR (UV) solar light irradiation 20min
VHR (150 DEG C): the voltage retention (%) recording after 150 DEG C of deteriorated 1h
t-30℃: the low-temperature storage time (at-30 DEG C)
Wherein, optical anisotropy use abbe's refractometer under sodium lamp (589nm) light source, 20 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,Test condition: 25 DEG C, 1KHz, testing cassete are TN90 type, the thick 7 μ m of box.
VHR (initially) uses the system testing of TOYO6254 type liquid crystal evaluation of physical property to obtain; Probe temperature is 60 DEG C, surveysExamination voltage is 5V, and the testing time is 166.7ms; VHR (150 DEG C) is that liquid crystal is used after 150 DEG C of deteriorated 1hThe system testing of TOYO6254 type liquid crystal evaluation of physical property obtains; Probe temperature is 60 DEG C, and test voltage is 5V, and the testing time is166.7ms; VHR (UV) uses the system testing of TOYO6254 type liquid crystal evaluation of physical property to obtain; Probe temperature is 60 DEG C,Test voltage is 5V, and the testing time is 166.7ms, and the solar irradiation time is 20min.
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.
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.
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 at optical anisotropy, dielectric anisotropy and clearing pointIn situation, liquid-crystal composition of the present invention has better low temperature storage stability, has after high temperature and UV illumination simultaneouslyBetter voltage retention, more can be applicable to severe environment for use.
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, close at optical anisotropy, dielectric anisotropy and clearing pointIn situation, liquid-crystal composition of the present invention has better low temperature storage stability, simultaneously after high temperature and UV illumination, and toolThere is better voltage retention.
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, liquid-crystal composition of the present invention has better low temperature storage stability,After high temperature and UV illumination, there is better voltage retention simultaneously.
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, close at optical anisotropy, dielectric anisotropy and clearing pointIn situation, liquid-crystal composition of the present invention has better voltage retention after high temperature and UV illumination, has better simultaneouslyLow 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
From above embodiment 5 and reference examples 5, close at optical anisotropy, dielectric anisotropy and clearing pointIn situation, liquid-crystal composition of the present invention has better voltage retention after high temperature and UV illumination, has better simultaneouslyLow temperature storage stability.
Reference examples 6
The liquid-crystal composition that is mixed with reference examples 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
Embodiment 6
The liquid-crystal composition that is mixed with embodiment 6 by each compound listed in table 14 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 14 liquid-crystal composition formula and test performance thereof
From above embodiment 6 and reference examples 6, liquid-crystal composition provided by the invention have larger dielectric anisotropy,Better low temperature storage stability, liquid-crystal composition of the present invention has better voltage guarantor after high temperature and UV illumination simultaneouslyHoldup, can effectively reduce voltage, thereby effectively improves power consumption, more can be applicable to severe environment for use.
Embodiment 7
The liquid-crystal composition that is mixed with embodiment 7 by each compound listed in table 15 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 15 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 16 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 16 liquid-crystal composition formula and test performance thereof
Embodiment 9
The liquid-crystal composition that is mixed with embodiment 9 by each compound listed in table 17 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 17 liquid-crystal composition formula and test performance thereof
From the test data of embodiment 7, embodiment 8, embodiment 9, liquid-crystal composition provided by the invention hasHigh nematic phase temperature upper limit, makes liquid-crystal composition have wider serviceability temperature scope, LCD applicability widely,The better low temperature storage stability of liquid-crystal composition of the present invention simultaneously, and there is better electricity after high temperature and UV illuminationPress conservation rate.
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.
Claims (15)
1. a liquid-crystal composition, is characterized in that, described liquid-crystal composition comprises:
The compound of one or more general formula I-1 and/or general formula I-2
The compound of one or more general formula II
The compound of one or more general formula III
The compound of one or more general formula IV
Wherein,
R1、，R2、R3、R4、R5And R6Identical or different, represent independently of one another carbon number be 1 to 5 alkyl orAlkoxyl, 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, independently of one anotherRepresentDescribedUpper one or more H can be replaced by F;
Represent
M represents 0,1 or 2;
N represents 1 or 2, and, in the time of n=2,Can be identical or different, X simultaneously1Represent F;
P represents 0 or 1.
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 1-30% of described liquid-crystal composition gross weight; The compound of described general formula II accounts for described liquid-crystal composition gross weight30-70%; The compound of described general formula III accounts for the 1-25% of described liquid-crystal composition gross weight; And described general formula IVCompound accounts for the 5-50% 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:
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 carbon number is 2 to 5 alkyl.
6. liquid-crystal composition according to claim 1, is characterized in that, the choosing of the compound of described general formula IV freely withOne or more compounds in the group of lower compound composition:
Wherein,
R6Represent that carbon number is 2 to 5 alkyl.
7. 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:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula II-10:
8. liquid-crystal composition according to claim 7, 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:
9. 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:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula III-11:
10. liquid-crystal composition according to claim 9, 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:
11. liquid-crystal compositions according to claim 6, is characterized in that, the compound choosing of described general formula IV-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 IV-2:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula IV-6:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula IV-7:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula IV-8:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula IV-9:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula IV-10:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula IV-11:
One or more compounds in the group of the freely following compound composition of compound choosing of described general formula IV-12:
12. liquid-crystal compositions according to claim 11, is characterized in that, the compound choosing of described general formula IV freelyOne or more compounds in the group of following compound composition:
13. according to the liquid-crystal composition described in any one in claim 1-12, it is characterized in that described general formula I-1And/or the compound of general formula I-2 accounts for the 4-30% of described liquid-crystal composition gross weight; Described in the compound of described general formula II accounts forThe 35-65% of liquid-crystal composition gross weight; The compound of described general formula III accounts for the 1-20% of described liquid-crystal composition gross weight;
And the compound of described general formula IV accounts for the 10-40% of described liquid-crystal composition gross weight.
14. liquid-crystal compositions according to claim 13, 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 8%;
Account for the compounds Ⅳ-6-1 of described liquid-crystal composition gross weight 10%;
Account for the compounds Ⅳ-6-2 of described liquid-crystal composition gross weight 15%;
Account for the compound ii-2-1 of described liquid-crystal composition gross weight 27%;
Account for the compounds Ⅳ-1-2 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-1-1 of described liquid-crystal composition gross weight 5%; And
Account for the compounds Ⅳ-12-2 of described liquid-crystal composition gross weight 5%;
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-1-2 of described liquid-crystal composition gross weight 10%;
Account for the compound ii-1-4 of described liquid-crystal composition gross weight 10%;
Account for the compound ii-5-1 of described liquid-crystal composition gross weight 3%;
Account for the compound III-1-3 of described liquid-crystal composition gross weight 3%;
Account for the compound ii-2-1 of described liquid-crystal composition gross weight 45%;
Account for the compounds Ⅳ-1-2 of described liquid-crystal composition gross weight 4%;
Account for the compounds Ⅳ-11-1 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-11-2 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-2-1 of described liquid-crystal composition gross weight 5%; And
Account for the compounds Ⅳ-2-3 of described liquid-crystal composition gross weight 5%;
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 6%;
Account for the compound ii-10-1 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 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 9%;
Account for the chemical compounds I-2-2 of described liquid-crystal composition gross weight 10%;
Account for the compound ii-2-1 of described liquid-crystal composition gross weight 35%;
Account for the compounds Ⅳ-1-1 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-11-1 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-11-2 of described liquid-crystal composition gross weight 5%; And
Account for the compounds Ⅳ-2-1 of described liquid-crystal composition gross weight 5%;
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-6-1 of described liquid-crystal composition gross weight 8%;
Account for the chemical compounds I-2-4 of described liquid-crystal composition gross weight 13%;
Account for the compound ii-1-3 of described liquid-crystal composition gross weight 10%;
Account for the compound ii-2-1 of described liquid-crystal composition gross weight 52%;
Account for the compound III-5-2 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-11-2 of described liquid-crystal composition gross weight 5%; And
Account for the compounds Ⅳ-2-3 of described liquid-crystal composition gross weight 5%;
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-6-1 of described liquid-crystal composition gross weight 8%;
Account for the chemical compounds I-1-2 of described liquid-crystal composition gross weight 13%;
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 compound ii-2-1 of described liquid-crystal composition gross weight 12%;
Account for the compounds Ⅳ-1-2 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-1-1 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-11-2 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-2-1 of described liquid-crystal composition gross weight 5%; And
Account for the compounds Ⅳ-2-3 of described liquid-crystal composition gross weight 5%;
Or described liquid-crystal composition comprises:
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 10%;
Account for the compound ii-1-1 of described liquid-crystal composition gross weight 10%;
Account for the compounds Ⅳ-6-1 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-6-2 of described liquid-crystal composition gross weight 5%;
Account for the compound ii-2-1 of described liquid-crystal composition gross weight 35%;
Account for the compounds Ⅳ-1-2 of described liquid-crystal composition gross weight 5%;
Account for the compounds Ⅳ-1-1 of described liquid-crystal composition gross weight 5%; And
Account for the compounds Ⅳ-12-2 of described liquid-crystal composition gross weight 5%;
Or described liquid-crystal composition comprises:
Account for the chemical compounds I-2-1 of described liquid-crystal composition gross weight 8%;
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 5%;
Account for the compound ii-2-1 of described liquid-crystal composition gross weight 36%;
Account for the compound ii-6-1 of described liquid-crystal composition gross weight 3%;
Account for the compound ii-7-2 of described liquid-crystal composition gross weight 4%;
Account for the compound ii-9-3 of described liquid-crystal composition gross weight 4%;
Account for the compound III-3-1 of described liquid-crystal composition gross weight 3%;
Account for the compound III-4-4 of described liquid-crystal composition gross weight 3%;
Account for the compound III-7-1 of described liquid-crystal composition gross weight 4%;
Account for the compound III-8-1 of described liquid-crystal composition gross weight 4%;
Account for the compounds Ⅳ-1-1 of described liquid-crystal composition gross weight 7%; And
Account for the compounds Ⅳ-1-2 of described liquid-crystal composition gross weight 10%;
Or described liquid-crystal composition comprises:
Account for the chemical compounds I-1-1 of described liquid-crystal composition gross weight 8%;
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 5%;
Account for the compound ii-2-1 of described liquid-crystal composition gross weight 50%;
Account for the compound ii-7-2 of described liquid-crystal composition gross weight 4%;
Account for the compound ii-9-3 of described liquid-crystal composition gross weight 3%;
Account for the compound III-9-2 of described liquid-crystal composition gross weight 4%;
Account for the compound III-10-3 of described liquid-crystal composition gross weight 3%;
Account for the compound III-11-1 of described liquid-crystal composition gross weight 4%;
Account for the compounds Ⅳ-1-1 of described liquid-crystal composition gross weight 5%; And
Account for the compounds Ⅳ-1-2 of described liquid-crystal composition gross weight 5%;
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 compounds Ⅳ-3 of described liquid-crystal composition gross weight 2%;
Account for compounds Ⅳ-4 of described liquid-crystal composition gross weight 3%;
Account for compounds Ⅳ-5 of described liquid-crystal composition gross weight 3%;
Account for the compounds Ⅳ-7-2 of described liquid-crystal composition gross weight 3%;
Account for the compounds Ⅳ-8-2 of described liquid-crystal composition gross weight 4%;
Account for the compounds Ⅳ-9-2 of described liquid-crystal composition gross weight 2%;
Account for the compounds Ⅳ-10-1 of described liquid-crystal composition gross weight 3%;
Account for the compound III-5-1 of described liquid-crystal composition gross weight 5%;
Account for the compound III-5-2 of described liquid-crystal composition gross weight 5%; And
Account for the compound ii-2-1 of described liquid-crystal composition gross weight 40%.
15. 1 kinds of liquid crystal displays, is characterized in that, described liquid crystal display comprises described in claim 1-14 any oneLiquid-crystal composition.
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| CN107118782A (en) * | 2017-06-29 | 2017-09-01 | 石家庄诚志永华显示材料有限公司 | A kind of liquid-crystal composition |
| CN107586546A (en) * | 2016-07-08 | 2018-01-16 | 江苏和成显示科技股份有限公司 | Liquid-crystal composition and display device |
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