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CN101402866B - Mixed liquid crystal composition for STN-LCD - Google Patents

Mixed liquid crystal composition for STN-LCD Download PDF

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Publication number
CN101402866B
CN101402866B CN 200810088901 CN200810088901A CN101402866B CN 101402866 B CN101402866 B CN 101402866B CN 200810088901 CN200810088901 CN 200810088901 CN 200810088901 A CN200810088901 A CN 200810088901A CN 101402866 B CN101402866 B CN 101402866B
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yne
compound
general formula
fhn
ffn
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CN101402866A (en
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陈元模
仲锡军
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HEBEI MILESTONE ELECTRONIC MATERIAL CO Ltd
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HEBEI MILESTONE ELECTRONIC MATERIAL CO Ltd
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Abstract

The invention relates to a mixed crystal compound used for STN-LCD. The mixture contains 1 to 65 percent of at least one compound expressed by a general expression (I) as a first component as well as 1 to 55 percent of at least one compound expressed by a general expression (II) as a second component; and the rest is selected from the compounds expressed by at least two general expressions from ageneral expression (IV) to a general expression (VIII) as a fourth component; the compound has the advantages of excellent gradient characteristic, enough wide nematic phase temperature range and refractive index anisotropy range, small viscosity and fast response speed; moreover, the dependency of the refractive index anisotropy on the temperature can meet the demands of a high grade STN-LCD apparatus and can meet the thickness demand of an STN-LCD box with a larger range.

Description

STN-LCD uses the mixed liquid crystal compsn
Technical field
The present invention relates to a kind of liquid-crystal display and use liquid-crystal compsn, specifically, the present invention relates to a kind of STN-LCD and use the mixed liquid crystal compsn.
Background technology
1888, Austrian scientist found liquid crystal, and the seventies in 20th century, Helfrich and Schadt utilize the photovoltaic effect of twisted nematic liquid crystal and unicircuit to combine, and have been made into liquid crystal device, have realized the industrialization of liquid crystal material.This liquid crystal material becomes twisted nematic liquid crystal and shows (TN-LCD) material.The mid-80 is succeeded in developing the supertwist nematic liquid crystal again and is shown (STN-LCD) material.Bistable state technology and TFT-LCD display format have again been developed thereafter.But because the restriction of cost, both promotion and application have received considerable restraint, and in the application of more areas, STN-LCD is still in occupation of dominant position at present.
The displaying principle and the TN of STN type are similar, and different is that the TN torsional mode is incident light to be revolved turn 90 degrees to the liquid crystal molecule of row field-effect, and the ultra torsional mode of STN is with incident light Rotate 180~270 degree to the row field-effect.
Along with STN-LCD drives the raising of way, the performance requriements of liquid crystal material is improved constantly.Especially along with the LCD device to the raising that response speed, background color change, contrast gradient requires, the performance requriements that mixes the stn liquid crystal material is also proposed higher requirement---require the steepness of mixed liquid crystal better, viscosity is littler, operating temperature range is wideer, elastic constant than optimize more, specific refractory power to temperature dependency further improve, driving voltage is with the improvement of temperature dependent improvement, static current of lcd.In patented claim CN98105339, disclose a kind of liquid-crystal compsn like Merck & Co., Inc., said composition mainly is made up of following compounds:
Figure S2008100889015D00011
Wherein Ra is 1~12 straight chain alkane, and its 1 or 2 non-conterminous C can be by oxygen, alkene, carbonyl, carboxyl substituted; L=H, F; R=0,1.
Figure S2008100889015D00012
Wherein Rb, Rc=1~7 carbochain alkene.
This based composition can improve the chemicalstability of liquid crystal material, and the liquid crystal display component of make making has short time of response, wide operating temperature range and low threshold voltage.But find that according to its practical implementation this liquid-crystal compsn threshold voltage and specific refractory power anisotropy coverage are narrow, can not the user demand of well adapted LCD manufacturer, limited its wider application.
In view of this, the inventor gropes through a large amount of tests, and preferred monocrystalline kind, optimization combination of monomers have been invented the liquid-crystal compsn of a series.STN-LCD of the present invention with liquid-crystal compsn have outstanding steepness characteristic, enough wide nematic temperature range and specific refractory power anisotropy scope, viscosity are little, response speed also has the performance of very outstanding uvioresistant (UV) irradiation soon, simultaneously.Can fully satisfy and be low to moderate 16 the tunnel, high to of the requirement of 240 tunnel driving STN-LCD devices to liquid crystal material; Its outstanding driving voltage can both satisfy the requirement of high-grade STN-LCD device with temperature variation characteristic, specific refractory power anisotropy to dependence on temperature simultaneously, and can satisfy the wider thick requirement of STN-LCD box.
Summary of the invention
The object of the invention is to provide the STN-LCD that a kind of performance is better, the specific refractory power coverage is wideer to use the mixed liquid crystal compsn.
To achieve these goals, the inventor takes following technique means:
A kind of STN-LCD uses the mixed liquid crystal compsn, and said liquid-crystal compsn is made up of following compounds: said per-cent is weight percentage,
1~65% at least a compound that is selected from general formula (I) representative, as first component,
1~55% at least a compound that is selected from general formula (II) representative, as second component,
The compound of 1~85% general formula (III) representative, as the 3rd component,
Figure S2008100889015D00023
Surplus is the compound that is selected from least two kinds of general formula representatives of general formula (IV)~general formula (VIII), as four components,
Figure S2008100889015D00031
Wherein R is 1~10 carbon straight chained alkyl or CH 2=CH-, CH 2=CH-CH 2-, CH 3-CH=CH-, CH 2=CH-CH 2-CH 2-in a kind of;
R 1, R 3, R 5, R 9It is the straight chained alkyl that contains 1~10 carbon atom;
R 7It is the straight-chain alkenyl that contains 1~3 carbon atom;
R 2, R 8, R 10It is the straight chained alkyl of 1~10 carbon straight chain alkoxyl group or 1~5 carbon;
R 4Be the straight chained alkyl or the F of 1~10 carbon straight chain alkoxyl group or 1~5 carbon;
R 6Be the straight chained alkyl of 1~10 carbon straight chain alkoxyl group or 1~5 carbon, or the F substituting group;
X, X 1, X 2Respectively or be H or F simultaneously;
M~m 6=0 or 1, and m 1, m 2Can not be 0 simultaneously, m 3~m 6Can not be 0 simultaneously, work as R 11, R 12When being H simultaneously, m 3~m 6=1;
n 1~n 10=0 or 1, and n 1, n 2Can not be 0 simultaneously, n 3, n 4Can not be 0 simultaneously, n 7, n 8Can not be 0 simultaneously;
When
Figure S2008100889015D00032
When being 1,4 substituted phenylene simultaneously, R 11, R 12Be H, F, Cl, Br or methyl at the same time or separately;
Figure S2008100889015D00033
is 1; 4 substituted phenylenes or anti-form-1,4 substituted cyclohexyls;
In said the 4th component, the content of the compound that each general formula is represented in compsn is:
When general formula (IV) was present in the 4th component, its content was 1~40%;
When logical formula V was present in the 4th component, its content was 1~20%;
When general formula (VI) was present in the 4th component, its content was 1~35%;
When general formula (VII) was present in the 4th component, its content was 1~20%;
When general formula (VIII) was present in the 4th component, its content was 1~20%.
According to foregoing liquid crystal compound, said general formula (I) compound does,
Figure S2008100889015D00041
Said general formula (III) compound does,
Figure S2008100889015D00042
Said general formula (IV) compound does,
Figure S2008100889015D00043
Figure S2008100889015D00051
Said general formula (VI) compound does,
Figure S2008100889015D00052
R 14It is the straight chained alkyl of 1~10 carbon straight chain alkoxyl group or 1~5 carbon;
m 5~m 16=0 or 1, and m 11, m 12Must not be 0 simultaneously, m 15, m 16Must not be 0 simultaneously.
According to foregoing liquid-crystal compsn, m in said general formula (Ia), (Ib) compound 8, m 9Be 0, R is alkyl or the CH that contains 1~7 carbon atom 2=CH-, CH 2=CH-CH 2-, CH 3-CH=CH-, CH 2=CH-CH 2-CH 2-in a kind of.
According to foregoing liquid-crystal compsn, general formula (II) compound is selected from least a in the following compound:
Figure S2008100889015D00053
R wherein 3Be the straight chained alkyl of 1~5 carbon, while R 4Be-OCH 3,-OC 2H 5,-F ,-C 2H 5,-C 3H 7,-C 4H 9,-C 5H 11Wherein a kind of.
According to foregoing liquid-crystal compsn, general formula (III) compound is selected from least a of following compound:
Figure S2008100889015D00054
Figure S2008100889015D00061
Figure S2008100889015D00071
According to foregoing liquid-crystal compsn, in general formula (IVa), (IVb), (IVc) compound: m 10, m 12Be 0, m 11Be 1,
Figure S2008100889015D00072
Be anti-form-1,4 substituted cyclohexyls, R are alkyl or the CH that contains 1~7 carbon atom 2=CH-, CH 2=CH-CH 2-, CH 3-CH=CH-, CH 2=CH-CH 2-CH 2-in a kind of.
According to foregoing liquid-crystal compsn, logical formula V compound is selected from least a of following compound:
Figure S2008100889015D00073
R wherein 1, R 2It all is the straight chained alkyl of 1~5 carbon.
According to foregoing liquid-crystal compsn, general formula (VI) compound is selected from least a of following compound:
Figure S2008100889015D00081
R wherein 5It is the straight chained alkyl of 1~5 carbon.
According to foregoing liquid-crystal compsn, general formula (VII) compound is selected from least a of following compound:
R wherein 9Be straight chained alkyl, the R of 1~5 carbon 10Be the straight chain alkoxyl group of 2~5 carbon or the straight chained alkyl of 2~5 carbon.
According to foregoing liquid-crystal compsn, general formula (VIII) compound is selected from least a of following compound:
Figure S2008100889015D00083
Wherein R is the straight chained alkyl of 2~5 carbon, R 8Be-OCH 3,-OC 2H 5,-C 2H 5,-C 3H 7,-C 4H 9,-C 5H 11In a kind of.
STN-LCD of the present invention has following advantage with liquid-crystal compsn
(1) outstanding steepness characteristic;
(2) enough wide nematic temperature range and specific refractory power anisotropy scope;
(3) viscosity is little, and response speed is fast;
(4) has the performance that very outstanding uvioresistant (UV) is shone;
(5) driving voltage can both satisfy the requirement of high-grade STN-LCD device with temperature variation characteristic, specific refractory power anisotropy to dependence on temperature, can fully satisfy and be low to moderate 16 the tunnel, highly drive the requirement of STN-LCD devices to liquid crystal material to 240 the road;
(6) can satisfy the wider thick requirement of STN-LCD box.
Embodiment
Below with reference to embodiment content of the present invention is introduced more in detail, but the scope of the invention is not limited to these instances.It should be noted that each component content of these examples is " weight % ".All adopt dummy suffix notation to represent in the instance, used abbreviation implication is following:
1. structural formula symbol:
The entire infrastructure formula all is based upon on the claim basis, but the substituting group symbol that here occurs in the structural formula be with might not equating in the claim, and is also not necessarily consistent with the normally used symbol in this area, abbreviation.Represent carboxyl here like C, but not expression carbon.Ph representes that phenylene, Cy represent that cyclohexylidene, alkynyl are expressed as yne, vinyl and are expressed as Vinyl, propenyl and are expressed as that Pro, allyl group are expressed as Ally, crotonyl is expressed as Buty in addition; N, m represent R in the structural formula respectively 1, R 2Carbon atom number in the substituting group; O representes R 2Substituting group is an alkoxyl group.
(1) with the form representation class of Cy-Ph-Cyn-m for example or Cy-Ph-Cyn-Om like following structure:
Figure S2008100889015D00091
Wherein Z can be alkynyl or carboxyl.The symbol of expression phenylene, cyclohexylidene, carboxyl, alkynyl is connected with horizontal line according to order in the structural formula, again with R 1And R 2Middle carbon atom replaces number and connects with horizontal line, and the two separates with " ".If R 2Be alkoxyl group, then at expression R 2Represent with " O " before the carbonatoms purpose numeral.For example:
Figure S2008100889015D00092
can be expressed as Ph-yne-Ph2-5
Figure S2008100889015D00093
can be expressed as Cy-Ph-C-Ph3-O5
(2) with for example Cy-Ph-Phn-X 1X 2The X representation class is following structure seemingly:
X wherein 1, X 2Can be H, F, X can be cyanic acid (being expressed as N here) or F (being expressed as F).For example
Figure S2008100889015D00102
can be expressed as Ph-C-Ph2-FFN
Figure S2008100889015D00103
can be expressed as Ph-C-Ph2-HFN
Figure S2008100889015D00104
can be expressed as Cy-Cy-Ph3-HHF
Figure S2008100889015D00105
can be expressed as Cy-Ph-Ph3-FHF
(3) with for example Cy-PhX 1-PhX 2-Cyn-m or Cy-PhX 1-PhX 2-Cyn-Om representation class is following compound seemingly:
Figure S2008100889015D00106
X wherein 1, X 2Difference or while can be hydrogen, fluorine, bromine, iodine, methyl, and represent with H, F, Br, I, M respectively.For example:
Figure S2008100889015D00107
can be expressed as Cy-PhF-PhH-Cy2-3
Figure S2008100889015D00108
can be expressed as Cy-PhF-PhM-Cy2-O3
(4) with Cy-Ph-PhFFn-m for example or Cy-Ph-PhFFn-Om representation class like following structure:
For example:
Figure S2008100889015D00111
can be expressed as Cy-Ph-PhFF2-5
(5) in the above-mentioned several kinds of structures, R 1And R 2Substituting group also can be vinyl, propenyl, allyl group, crotonyl.Can be respectively with Vinyl, Pro, Ally, Buty substitute n, thereby m representes vinyl, propenyl, allyl group, crotonyl.For example:
Figure S2008100889015D00112
can be expressed as Ph-C-PhVinyl-FFN
Figure S2008100889015D00113
can be expressed as Cy-Cy5-Ally
2. composition properties parameter symbol:
NI: nematic phase-isotropic phase transition temperature (℃)
η: volume viscosity in the time of 20 ℃ (mPas)
Δ ε: 1KHZ, the test of 7~8 μ m vertical cassette
Δ n:20 ℃ optical anisotropy is tested under the 589nm condition
HTP: a certain chiral material is to the distortion ability of this mixed liquid crystal
Δ V/ Δ T [mv/ ℃] (0 ℃-40 ℃): the temperature variant size of this mixed liquid crystal threshold voltage
P: steepness, steepness numerical value is more little, the high more (test condition: f of the way that can drive Drive=128Hz; Bias=1; Duty=1; Δ nd=0.85 μ m; D/p=0.5; Twist angle=240 °; Test Temperature=23 ± 2 ℃)
Instance 1:
The structural formula symbol Content (%) Performance perameter
Ph-C-Ph·2-FHN Ph-C-Ph·3-FHN Ph-C-Ph·5-FHN Cy-Ph·3-FFN Ph-yne-Ph·3-O2 Cy-Ph-yne-Ph·3-O1 Cy-Ph-yne-Ph·3-O2 Cy-Ph-yne-Ph·5-O1 Cy-Ph-yne-Ph·5-2 Cy-Cy-Ph·3-FHF Cy-Cy-Ph·5-FHF Cy-Cy-Ph·Vinyl-FHF Cy-Cy-Ph·5-1 Cy-Cy-Ph·3-1 Cy-Ph-Ph-Cy·3-5 10 14 10 8 4 6 6 4 3 7 7 12 4 2 3 NI: 96℃η: 39mPa·sΔε: 21.9Δn: ?0.165?HTP-S811(μm -1): ?11.6ΔV/ΔT[mv/℃](0℃-40℃):0.4P: ?1.09
Instance 2:
The structural formula symbol Content (%) Performance perameter
Ph-C-Ph·2-FHN Ph-C-Ph·3-FHN Cy-Cy-C-Ph-Cy·3-5 Cy-Cy-C-Ph-Cy·3-3 Ph-C-Ph·5-FHN Cy-Ph·3-FFN Cy-Ph-yne-Ph·3-O1 Cy-Cy-Ph·3-FHF Cy-Cy-Ph·5-FHF Cy-Cy-Ph·4-FHF Cy-Cy-Ph·Vinyl-FHF Cy-Cy·5-Vinyl Cy-Cy-Ph·5-1 Cy-Cy-Ph·3-1 Cy-Ph-Ph-Cy·3-5 Cy-PhH-PhF-Cy·3-5 Cy-Ph-Ph-Cy·3-3 10 13 2 2 12 6 4 10 5 7 12 4 4 2 3 2 2 NI: 93℃ η: 35mPa·s Δε: 22.3 Δn: ?0.130 ?HTP-S811(μm -1): ?12.1 ΔV/ΔT[mv/℃](0℃-40℃):0.2 P: ?1.09
Instance 3:
The structural formula symbol Content (%) Performance perameter
Ph-C-Ph·2-FHN Ph-C-Ph·3-FHN Cy-Ph·3-HHN Cy-Ph·3-O2 Cy-Ph-yne-Ph·3-O1 Ph-yne-Ph·3-O2 Ph-yne-Ph·5-O2 Cy-Ph-yne-Ph·5-O1 Cy-Ph-yne-Ph·3-2 Cy-Ph-yne-Ph·5-2 Cy-Ph-yne-Ph·3-HHF Cy-Cy-Ph·3-FHF Cy-Cy-Ph·Vinyl-1 Cy-Cy-Ph·Buty-FHF Cy-Cy-Ph·Vinyl-FHF Cy-Cy-Ph·5-1 3 4 7 8 3 8 7 2 7 4 4 5 8 7 18 5 NI: 109℃ η: 19mPa·s Δε: 6.1 Δn: ?0.166 ?HTP-S811(μm -1): ?10.2 ΔV/ΔT[mv/℃](0℃-40℃):0.4 P: ?1.07
Instance 4:
The structural formula symbol Content (%) Performance perameter
Ph-C-Ph·3-FHN Ph-C-Ph·5-FHN Cy-Ph-Ph-Cy·3-3 Cy-Cy-Ph·2-FHF Cy-Cy-Ph·3-FHF Cy-Cy-Ph·5-FHF 4 3 4 10 9 8 NI: 110℃ η: 18mPa·s Δε: 5.7 Δn: ?0.129 ?HTP-S811(μm -1): ?9.8 ΔV/ΔT[mv/℃](0℃-40℃):0.5
Cy-Ph·3-HHN Cy-Cy-Ph·Vinyl-FHF Cy-Cy·5-Vinyl Cy-Cy-Ph·5-1 Cy-Cy-Ph·3-1 Ph-yne-Ph·3-O2 Ph-yne-Ph·5-O2 Cy-Ph-yne-Ph·3-2 Cy-Ph-yne-Ph·5-2 3 19 11 7 4 7 4 4 3 P: 1.07
Instance 5:
The structural formula symbol Content (%) Performance perameter
Ph-C-Ph·2-FHN Ph-C-Ph·3-FHN Ph-C-Ph·5-FHN Cy-Ph·3-FFN Ph-yne-Ph·3-O2 Cy-Ph-yne-Ph·3-O1 Cy-Ph-yne-Ph·3-O2 Cy-Ph-yne-Ph·5-O1 Cy-Cy-Ph·Vinyl-1 Cy-Cy-Ph·Buty-FHF Cy-Cy-Ph·Vinyl-FHF Cy-Cy-Ph·Vinyl-HHF Cy-Ph-Ph-Cy·3-5 Cy-Ph-Ph-Cy·3-3 10 15 10 7 4 7 5 4 7 5 12 10 2 2 NI: 97℃ η: 35mPa·s Δε: 22.0 Δn: ?0.164 ?HTP-S811(μm -1): ?12.3 ΔV/ΔT[mv/℃](0℃-40℃):0.4 P: ?1.07
Instance 6:
The structural formula symbol Content (%) Performance perameter
Ph-C-Ph·2-FHN Ph-C-Ph·3-FHN Cy-Cy-C-Ph-Cy·3-5 Cy-Cy-C-Ph-Cy·3-3 Ph-C-Ph·5-FHN Cy-Ph·3-FFN Cy-Ph-yne-Ph·3-O1 Cy-Cy-Ph·Vinyl-HHF Cy-Cy-Ph·Vinyl-FHF Cy-Cy·5-Vinyl Cy-Cy-Ph·Buty-FHF Cy-Cy-Ph·Vinyl-1 Cy-Cy-Ph·Buty-1 Cy-Ph-Ph-Cy·3-5 Cy-PhH-PhF-Cy·3-5 Cy-Ph-Ph-Cy·3-3 10 13 3 3 10 8 2 8 14 2 14 4 2 3 2 2 NI: 96℃ η: 32mPa·s Δε: 20.4 Δn: ?0.129 ?HTP-S811(μm -1): ?12.6 ΔV/ΔT[mv/℃](0℃-40℃):0.4 P: ?1.07
Instance 7:
The structural formula symbol Content (%) Performance perameter
Ph-C-Ph·2-FHN Ph-C-Ph·3-FHN Cy-Ph·3-HHN Cy-Ph-yne-Ph·3-O1 Ph-yne-Ph·3-O2 Ph-yne-Ph·5-O2 Cy-Ph-yne-Ph·5-O1 Cy-Ph-yne-Ph·3-2 Cy-Ph-yne-Ph·3-O2 Cy-Cy-Ph·Vinyl-1 Cy-Cy-Ph·Buty-FHF Cy-Cy-Ph·Vinyl-FHF Cy-Cy·5-Vinyl Cy-Cy-Ph·Vinyl-HHF Cy-Cy-Ph·Buty-1 4 5 4 4 11 9 3 4 2 8 12 20 6 5 3 NI: 108℃ η: 19mPa·s Δε: 6.4 Δn: ?0.164 ?HTP-S811(μm -1): ?10.2 ΔV/ΔT[mv/℃](0℃-40℃):0.2 P: ?1.06
Instance 8:
The structural formula symbol Content (%) Performance perameter
Ph-C-Ph·3-FHN Ph-C-Ph·5-FHN Cy-Ph-Ph-Cy·3-3 Cy-Ph-Ph-Cy·3-5 Cy-Ph·3-HHN Cy-Cy-Ph·Vinyl-FHF Cy-Cy·5-Vinyl Cy-Cy-Ph·Vinyl-1 Cy-Cy-Ph·Buty-FHF Cy-Cy-Ph·Vinyl-HHF Ph-yne-Ph·3-O2 Ph-yne-Ph·5-O2 Cy-Ph-yne-Ph·3-2 Cy-Ph-yne-Ph·5-2 Cy-Ph-yne-Ph·3-O1 5 5 2 2 3 24 15 10 10 7 3 4 2 4 4 NI: 109℃ η: 17mPa·s Δε: 6.5 Δn: ?0.130 ?HTP-S811(μm -1): ?10.6 ΔV/ΔT[mv/℃](0℃-40℃):0.2 P: ?1.04
Embodiment 9:
The structural formula symbol Content (%) Performance perameter
Cy-Ph-C-Ph·10-FFN Cy-Cy-C-Cy-Cy·2-5 Cy-Ph-C-Cy-Cy·2-5 Cy-Ph-yne-Ph-Cy·3-5 Cy-Ph-yne-Ph-Cy·2-5 Cy-Cy·2-Vinyl Cy-Cy-Ph·2-FHF Cy-Cy-Ph·1-FHF Cy-Cy-Ph·10-FHF 1 2 3 2 3 4 20 30 35 NI: 103℃ η: 20mPa·s Δε: 7.5 Δn: ?0.150 ?HTP-S811(μm -1): ?12.2 ΔV/ΔT[mv/℃](0℃-40℃):0.3 P: ?1.05
Embodiment 10:
The structural formula symbol Content (%) Performance perameter
Cy-Ph-C-Ph·8-FHN Ph-C-Ph·10-FFN Cy-Ph-yne-Ph-Cy·8-O5 Cy-Ph-yne-Ph-Cy·3-O10 Cy-Ph-yne-Ph-Cy·3-O2 Ph-yne-Ph-Cy·3-O5 Cy-Ph-Ph·2-HHF Cy-Cy-Ph·2-FHF Cy-Ph-Ph·Vinyl-HHF Cy-Ph-Ph·Vinyl-FHF Cy-PhH-PhF-Cy·5-5 Cy-PhM-PhF-Cy·1-5 Cy-Cy-PhFF·1-2 2 8 2 5 1 2 20 20 20 10 4 5 1 NI: 107℃ η: 30mPa·s Δε: 21.5 Δn: ?0.125 ?HTP-S811(μm -1): ?11.4 ΔV/ΔT[mv/℃](0℃-40℃):0.4 P: ?1.06
Embodiment 11:
The structural formula symbol Content (%) Performance perameter
Cy-Ph-C-Ph·Vinyl-FFN Cy-Ph-C-Ph·3-FFN Ph-C-Ph·1-FFN Cy-Cy-Ph·8-FFN Cy-Cy-C-Cy-Cy·10-O10 Ph-yne-Ph·10-O5 Ph-yne-Ph-Cy·3-O10 Cy-Ph-yne-Ph·3-O1 Ph-yne-Ph-Cy·1-O8 Cy-Cy-Ph·2-O10 Cy-Ph-Ph·2-HHF Cy-Cy-Ph·Pro-O2 Cy-PhH-PhBr-Cy·10-O1 10 4 6 1 3 5 6 3 1 10 30 20 1 NI: 103℃ η: 24mPa·s Δε: 9.5 Δn: ?0.135 ?HTP-S811(μm -1): ?10.2 ΔV/ΔT[mv/℃](0℃-40℃):0.3 P: ?1.08
Embodiment 12:
The structural formula symbol Content (%) Performance perameter
Ph-C-Ph·6-FHN Cy-Ph-C-Ph·Buty-FHN Ph-C-Ph·2-FFN Ph·2-HHN Cy-Ph-Ph·2-FHN Cy-Ph-yne-Ph-Cy·3-5 Cy-Ph-yne-Ph-Cy·3-HHF Cy-Ph-yne-Ph·8-HHF Cy-Ph-yne-Ph-Cy·3-1 Ph-yne-Ph-Cy·1-3 Ph-yne-Ph·1-HHF Cy-Cy·1-Pro Cy-Cy-Ph·2-O6 PhFF·10-O2 8 9 13 2 8 5 6 4 15 17 8 1 1 3 NI: 103℃ η: 20mPa·s Δε: 17.5 ?Δn: ?0.130 HTP-S811(μm -1): ?11.5 ΔV/ΔT[mv/℃](0℃-40℃):0.4 P: ?1.08
Embodiment 13:
The structural formula symbol Content (%) Performance perameter
Cy-Ph-C-Ph·10-FHN Ph-C-Ph·8-FFN Cy-Ph-C-Ph·Pro-FHN Ph-C-Ph·10-FFN Ph-Ph-yne-Ph-Cy·3-5 Cy·10-Vinyl Cy-Cy·2-Ally Cy-Cy-Ph·10-O4 Cy-Cy-Ph·Ally-O4 Cy-Ph-Ph·10-O4 Cy-Cy-Ph·10-FHF Cy-Ph-PhFF·1-2 Cy-Ph-PhFF·Buty-O10 5 15 10 10 1 5 4 5 15 9 11 5 5 NI: 95℃ η: 32mPa·s Δε: 10.5 Δn: ?0.160 ?HTP-S811(μm -1): ?11.5 ΔV/ΔT[mv/℃](0℃-40℃):0.5 P: ?1.06
Embodiment 14:
The structural formula symbol Content (%) Performance perameter
Ph-C-Ph·9-FFN Ph-C-Ph·10-FFN Cy-Ph-C-Ph·10-FHN Ph-C-Ph·10-FFN Cy-Ph-C-Ph·Ally-FFN Ph-Cy-Ph·8-HFN Cy-Cy-C-Cy-Cy·2-O5 Ph-Ph-yne-Ph-Ph·3-O5 Ph-Ph-yne-Ph-Ph·10-O5 Cy-Cy-Ph·10-FHF Cy-Cy-Ph·Pro-FHF PhH-PhI-Cy·1-O10 30 5 2 8 5 20 1 2 3 10 10 4 NI: 97℃ η: 19mPa·s Δε: 21.5 Δn: ?0.129 ?HTP-S811(μm -1): ?9.9 ΔV/ΔT[mv/℃](0℃-40℃):0.4 P: ?1.08
Embodiment 15:
The structural formula symbol Content (%) Performance perameter
Ph-C-Ph·6-FFN Ph-C-Ph·10-FHN Ph-C-Ph·2-FHN Ph-C-Ph·6-FHN Ph-Cy-C-Cy-Cy·2-5 Cy-Ph-C-Cy-Cy·2-2 Cy-Ph-C-Ph-Cy·2-1 Ph-yne-Ph-Ph·10-O5 Cy-Ph-Ph·2-FHF Cy-Ph-Ph·Buty-FHF Cy-Cy-PhFF·Pro-2 Cy-Cy-PhFF·Ally-5 Cy-PhFF·Ally-5 50 2 5 3 2 3 5 5 2 3 8 4 8 NI: 98℃ η: 19mPa·s Δε: 20.2 Δn: ?0.156 ?HTP-S811(μm -1): ?10.5 ΔV/ΔT[mv/℃](0℃-40℃):0.4 P: ?1.07
Embodiment 16:
The structural formula symbol Content (%) Performance perameter
Cy-Ph-C-Ph·10-FHN Cy-Ph-C-Ph·Buty-FFN Cy-Ph-C-Ph·2-FHN Cy-Ph-C-Ph·4-FFN Cy-Ph-C-Ph·3-FFN Cy-Cy-Ph·Buty-FHN Cy-Ph-C-Cy-Cy·2-O8 Cy-Cy-C-Cy-Cy·2-O1 Ph-Ph-yne-Ph-Ph·3-HHF Cy-Cy·1-Pro Cy-Cy-Ph·2-O1 PhM-PhF·10-5 Cy-PhH-PhF·3-O8 8 2 30 20 5 5 1 1 1 3 4 10 10 NI: 105℃ η: 34mPa·s Δε: 6.9 Δn: ?0.140 ?HTP-S811(μm -1): ?10.7 ΔV/ΔT[mv/℃](0℃-40℃):0.2 P: ?1.07
Embodiment 17:
The structural formula symbol Content (%) Performance perameter
Ph-C-Ph·2-FFN Cy-Ph-C-Ph·2-FFN Cy-Ph-C-Ph·2-FHN Cy-Cy-Ph·1-HHN Cy-Cy-C-Cy-Cy·2-5 Cy-C-Cy·10-5 Cy-C-Ph-Cy·4-O2 Ph-Ph-yne-Ph·2-HHF Ph-yne-Ph-Ph·1-HHF Cy-Ph-yne-Ph-Cy·3-O2 Ph-yne-Ph-Ph·1-5 Cy-Cy·8-Pro Cy-Cy-Ph·6-2 Cy-Ph-Ph·2-5 Cy-PhF-PhF-Cy·5-O1 Ph-PhFF·2-1 1 2 3 5 1 1 2 6 4 2 8 1 19 30 10 5 NI: 108℃ η: 24mPa·s Δε: 6.2 Δn: ?0.138 ?HTP-S811(μm -1): ?11.2 ΔV/ΔT[mv/℃](0℃-40℃):0.5 P: ?1.08
Embodiment 18:
The structural formula symbol Content (%) Performance perameter
Ph-C-Ph·2-FHN Cy-Ph-C-Ph·1-FFN Ph-C-Ph·2-FFN Cy-Cy-C-Cy-Cy·2-1 Cy-Cy-C-Cy-Cy·2-4 Cy-Ph-yne-Ph-Cy·3-O5 Ph-yne-Ph-Cy·10-O2 Cy-Ph-yne-Ph-Ph·7-O2 Ph-yne-Ph-Ph·7-HHF Ph-Ph-yne-Ph-Cy·1-2 Ph-Ph-yne-Ph-Cy·7-O2 Cy-Cy·6-Vinyl 3 6 6 10 10 4 2 3 1 11 9 3 NI: 95℃ η: 26mPa·s Δε: 14.5 Δn: ?0.134 ?HTP-S811(μm -1): ?10.7 ΔV/ΔT[mv/℃](0℃-40℃):0.4 P: ?1.05
Cy-Cy-Ph·1-FHF Cy-Ph-Ph·2-FHF Cy-PhM-PhM-Cy·2-1 Cy-PhFF·7-O10 20 10 1 1
Embodiment 19:
The structural formula symbol Content (%) Performance perameter
Ph-C-Ph·3-FHN Cy-Ph-C-Ph·10-FFN Ph-C-Ph·10-FFN Ph-C-Ph·10-FHN Cy-Cy-Ph·Vinyl-FFN Ph-C-Cy-Cy·1-1 Cy-Ph-yne-Ph-Cy·1-1 Cy-Ph-yne-Ph·2-4 Cy-Ph-yne-Ph-Cy·3-O2 Cy-Ph-yne-Ph·3-O1 Cy-Ph-yne-Ph-Cy·3-O10 Ph-yne-Ph-Cy·1-O2 Cy·2-Ally Cy-Cy-Ph·2-1 Cy-Ph-Ph-Cy·1-O5 Cy-Cy-PhFF·1-O2 4 4 9 14 1 2 4 4 5 13 3 7 10 10 5 5 NI: 103℃ η: 20mPa·s Δε: 20 Δn: ?0.146 ?HTP-S811(μm -1): ?11.2 ΔV/ΔT[mv/℃](0℃-40℃):0.3 P: ?1.09
Embodiment 20:
The structural formula symbol Content (%) Performance perameter
Ph-C-Ph·Ally-FHN Ph-C-Ph·3-FHN Ph-C-Ph·3-FFN Cy-Ph·2-FHN Cy-Cy-Ph·10-FHN Cy-Ph-C-Cy·2-2 Ph-yne-Ph-Cy·3-2 Ph-yne-Ph-Cy·10-3 Cy-Cy·8-Ally Cy-Cy·1-Ally Cy-Cy-Ph·Buty-FHF Cy-Ph-Ph-Cy·2-1 Cy-PhF-PhH-Cy·10-O2 15 10 10 1 2 2 1 1 15 20 3 8 12 NI: 107℃ η: 30mPa·s Δε: 15.5 Δn: ?0.160 ?HTP-S811(μm -1): ?10.7 ΔV/ΔT[mv/℃](0℃-40℃):0.5 P: ?1.09
Embodiment 21:
The structural formula symbol Content (%) Performance perameter
Ph-C-Ph·5-FFN Ph-C-Ph·3-FFN Cy-Ph·3-FHN Cy-Cy-C-Cy-Cy·2-1 Ph-Cy-C-Cy-Ph·1-2 2 8 40 2 7 NI: 99℃ η: 19mPa·s Δε:9.5 Δn:?0.158
Ph-Cy-C-Cy-Ph·5-1 Cy-Ph-yne-Ph·3-HHF Ph-yne-Ph-Cy·10-HHF Cy-Cy·2-Vinyl Cy-Ph·1-FHF PhBr-PhF-Cy·1-5 Cy-Cy-PhFF·Pro-2 11 2 3 2 3 10 10 HTP-S811(μm -1): ?11.5 ΔV/ΔT[mv/℃](0℃-40℃):0.5 P: ?1.04
Embodiment 22:
The structural formula symbol Content (%) Performance perameter
Cy-Ph-C-Ph·2-FFN Ph-C-Ph·3-FHN Cy-Ph-C-Ph·3-FHN Cy-Ph-Ph·2-FHN Cy-Ph-yne-Ph-Cy·3-O1 Cy-Ph-yne-Ph-Cy·3-O2 Ph-yne-Ph-Cy·3-O2 Cy-Cy·2-Vinyl Cy-Cy·4-Pro Cy-Ph·2-O5 Cy-Ph·10-1 Cy-PhH-PhF-Cy·1-2 Cy-Cy-PhFF·2-3 Cy-Ph-PhFF·2-3 1 1 1 30 2 8 2 10 10 2 3 15 7 8 NI: 105℃ η: 26mPa·s Δε: 7.8 Δn: ?0.152 ?HTP-S811(μm -1): ?12.8 ΔV/ΔT[mv/℃](0℃-40℃):0.3 P: ?1.07
Embodiment 23:
The structural formula symbol Content (%) Performance perameter
Cy-Ph-C-Ph·Vinyl-FFN Cy-Ph-C-Ph·Buty-FFN Cy-Ph-C-Ph·Pro-FHN Cy-Cy-Ph·Ally-FHN Cy-C-Cy-Ph·2-3 Cy-Cy-C-Cy·2-3 Cy-Ph-yne-Ph-Cy·1-O2 Cy-Ph-yne-Ph·3-O2 Ph-yne-Ph·3-O1 Cy-Cy·4-Vinyl Cy-Ph·Vinyl-FHF Cy-Cy-Ph·2-FHF Cy-PhH-PhM-Cy·2-1 Cy-PhFF·2-5 Cy-PhFF·2-O5 5 2 13 10 10 5 1 3 1 15 10 5 10 2 8 NI: 98℃ η: 19mPa·s Δε: 18.5 Δn: ?0.134 ?HTP-S811(μm -1): ?12.0 ΔV/ΔT[mv/℃](0℃-40℃):0.4 P: ?1.05
Embodiment 24:
The structural formula symbol Content (%) Performance perameter
Cy-Ph-C-Ph·Vinyl-FFN Cy-Ph-C-Ph·Buty-FFN 5 2 NI:94℃ η:20mPa·s
Cy-Ph-C-Ph·Pro-FFN Cy-Cy-Ph·Ally-FHN Cy-Ph-Ph·Ally-FFN Cy-C-Cy-Ph·2-3 Cy-Cy-C-Cy·5-3 Cy-Ph-yne-Ph·1-O2 Cy-Ph-yne-Ph·8-O2 Cy-Ph·7-FHF Cy-Cy-Ph·2-FHF 3 10 10 5 15 3 17 15 15 Δε: 8.5 Δn: ?0.134 HTP-S811(μm -1): ?12.1 ?ΔV/ΔT[mv/℃](0℃-40℃):0.4 P: ?1.05
Embodiment 25:
The structural formula symbol Content (%) Performance perameter
Ph-C-Ph·2-FFN Cy-Ph-C-Ph·10-FHN Cy-Ph-C-Ph·2-FFN Cy-Cy-Ph·2-FHN Cy-Cy-Ph·2-HHN Cy-Ph-yne-Ph-Cy·10-O2 Cy-Ph-yne-Ph-Cy·3-O1 Ph-yne-Ph·3-O1 Cy-Ph·1-FHF Cy-Ph-Ph·2-HHF Cy-Ph-Ph·10-O10 Ph-PhFF·2-5 Ph-Cy-PhFF·2-O5 1 15 14 2 3 1 13 6 10 18 12 2 3 NI: 108℃ η: 25mPa·s Δε: 19.5 Δn: ?0.164 ?HTP-S811(μm -1): ?12.5 ΔV/ΔT[mv/℃](0℃-40℃):0.4 P: ?1.06
Embodiment 26:
The structural formula symbol Content (%) Performance perameter
Cy-Ph-C-Ph·4-FHN Cy-Ph-C-Ph·1-FHN Cy-Cy-C-Cy·2-O3 Cy-Cy-C-Cy-Ph·2-3 Ph-yne-Ph·8-O2 Cy-Ph-yne-Ph·3-2 Cy-Ph-yne-Ph-Cy·8-5 Cy-Ph-yne-Ph-Cy·1-2 Cy-Ph·Pro-FHF Cy-Ph·3-O5 Cy-PhBr-PhM·2-1 25 15 5 5 8 2 11 19 3 5 2 NI: 105℃ η: 27mPa·s Δε: 20.5 Δn: ?0.164 ?HTP-S811(μm -1): ?12.5 ΔV/ΔT[mv/℃](0℃-40℃):0.4 P: ?1.05
Embodiment 27:
The structural formula symbol Content (%) Performance perameter
Cy-Ph-C-Ph·Buty-FFN Cy-Ph-C-Ph·Pro-FFN Cy-Ph-yne-Ph-Cy·3-2 Cy-Ph-yne-Ph-Cy·10-1 Cy-Ph-yne-Ph-Cy·3-2 Cy-Cy·1-Vinyl 11 19 8 11 1 10 NI: ?108℃ η: ?30mPa·s Δε: ?19.5 Δn: 0.154 ?HTP-S811(μm -1):11.5
Cy-Cy·4-Pro Cy-Cy·4-Vinyl Cy-Ph·7-FHF Cy-Cy-Ph·2-4 PhM-PhM-Cy·2-O1 Cy-PhH-PhCl-Cy·2-1 5 15 2 8 5 5 ΔV/ΔT[mv/℃](0℃-40℃):0.5 P: ?1.07
Embodiment 28:
The structural formula symbol Content (%) Performance perameter
Cy-Ph-C-Ph·2-FHN Cy-Ph-C-Ph·2-FFN Ph-C-Ph·2-FHN Ph-C-Ph·2-FFN Cy-Cy-Ph·2-FFN Cy-Cy-Ph·1-HHN Ph-Ph-C-Cy·2-5 Cy-Cy-C-Ph-Cy·2-3 Ph-yne-Ph·3-O2 Ph-yne-Ph-Cy·8-O5 Cy-Ph-yne-Ph-Cy·1-O2 Cy-Cy·10-Vinyl Cy-Cy·4-Pro Cy-Cy-Ph·4-HHF Cy-Ph-Ph·1-O2 15 15 10 10 2 8 5 10 2 1 2 2 3 8 7 NI: 107℃ η: 32mPa·s Δε: 21.5 Δn: ?0.164 ?HTP-S811(μm -1): ?12.5 ΔV/ΔT[mv/℃](0℃-40℃):0.5 P: ?1.08
Embodiment 29:
The structural formula symbol Content (%) Performance perameter
Cy-Ph-C-Ph·2-FHN Cy-Ph-C-Ph·8-FHN Cy-Ph-C-Ph·1-FFN Cy-Ph·2-FHN Cy-Ph-Ph·10-FFN Cy-Cy-Ph·2-HHN Ph-Cy-C-Cy·2-O10 Cy-Ph-yne-Ph-Cy·3-O2 Cy-Ph-yne-Ph-Cy·8-5 Cy-Ph-yne-Ph-Cy·3-2 Cy-Ph-yne-Ph-Cy·1-4 Cy-Ph·8-FHF Cy-Ph-Ph·Buty-HHF Ph-Cy-PhFF·Vinyl-5 Cy-PhFF·10-O10 1 3 1 1 7 12 5 5 14 6 10 10 10 7 8 NI: 98℃ η: 38mPa·s Δε: 9.5 Δn: ?0.134 ?HTP-S811(μm -1): ?11.5 ΔV/ΔT[mv/℃](0℃-40℃):0.4 P: ?1.04
Embodiment 30:
The structural formula symbol Content (%) Performance perameter
Ph-C-Ph·Vinyl-FFN Ph-C-Ph·2-FFN Cy-Ph-C-Ph·9-FHN Cy-Cy-Ph·Vinyl-FHN 22 1 17 10 NI: 106℃ η: 19mPa·s Δε:7.5
Cy-Cy-Ph·Pro-HHN Cy-Cy-Ph·2-FHN Ph-yne-Ph·3-2 Cy-Ph-Ph·8-FHF Cy-Cy-Ph·5-HHF PhBr-PhM·2-5 PhM-PhBr-Cy·10-1 Cy-Cy-PhFF·1-5 10 10 5 2 3 10 5 5 Δn: ?0.134 HTP-S811(μm -1): ?12.4 ΔV/ΔT[mv/℃](0℃-40℃):0.3 ?P: ?1.05
Embodiment 31:
The structural formula symbol Content (%) Performance perameter
Cy-Ph-C-Ph·4-FFN Cy-Ph-C-Ph·3-FFN Cy-Cy-C-Ph·2-3 Ph-Ph-C-Ph-Ph·10-1 Cy-Ph-C-Cy·2-O2 Cy-Ph-yne-Ph-Cy·9-2 Cy-Cy·4-Ally Cy-Cy·2-Vinyl Cy-Cy-Ph·Pro-FHF Cy-Ph·Buty-HHF Cy-Ph·8-FHF Cy-Ph-Ph·2-10 Cy-PhM-PhM-Cy·1-1 7 8 2 14 4 5 2 8 10 10 10 15 5 NI: 108℃ η: 38mPa·s Δε: 6.2 ?Δn: ?0.144 HTP-S811(μm -1): ?11.2 ΔV/ΔT[mv/℃](0℃-40℃):0.4 P: ?1.06
Embodiment 32:
The structural formula symbol Content (%) Performance perameter
Cy-Ph-C-Ph·2-FHN Cy-Cy-C-Cy·2-O3 Cy-Cy-C-Cy·1-O3 Cy-Ph-yne-Ph·3-2 Cy-Ph-yne-Ph-Cy·8-O5 Ph-yne-Ph-Cy·1-2 Cy-Ph-yne-Ph·1-1 Cy-Cy·4-Ally Cy-Cy·1-Pro Cy-Cy·9-Vinyl Cy-Cy-Ph·1-FHF Cy-Ph-Ph·Ally-HHF Cy-Cy-PhFF·Buty-5 Cy-PhFF·1-O5 2 2 3 1 7 19 1 7 8 20 10 10 2 8 NI: 103℃ η: 39mPa·s Δε: 9.5 Δn: ?0.164 ?HTP-S811(μm -1): ?12.5 ΔV/ΔT[mv/℃](0℃-40℃):0.5 P: ?1.06
Embodiment 33:
The structural formula symbol Content (%) Performance perameter
Cy-Ph-C-Ph·2-FHN Ph-C-Ph·2-FHN Cy-Ph-C-Ph·6-FFN Cy-Ph-C-Ph·1-FFN Cy-Ph-C-Cy-Cy·8-3 Cy-Ph-yne-Ph-Cy·1-1 14 4 23 4 17 1 NI: ?108℃ η: ?25mPa·s Δε: ?18.5 Δn: 0.134 ?HTP-S811(μm -1):12.5
Cy-Ph-yne-Ph-Cy·1-O5 Cy-Cy-Ph·1-FHF Cy-Ph-Ph·2-HHF Cy-Ph·8-O7 PhBr-PhH-Cy·10-O10 Ph-PhFF·5-O1 Ph-Cy-PhFF·1-O5 Cy-PhFF·Pro-O5 9 2 5 3 2 2 7 7 ΔV/ΔT[mv/℃](0℃-40℃):0.4 P: ?1.04
Embodiment 34:
The structural formula symbol Content (%) Performance perameter
Cy-Ph-C-Ph·2-FFN Cy-Ph-C-Ph·2-FHN Cy-Ph-yne-Ph·1-2 Cy-Ph-yne-Ph·8-2 Ph-yne-Ph-Cy·2-O2 Cy-Cy·10-Vinyl Cy-Ph·1-FHF Cy-Ph-Ph·8-HHF Cy-Ph-Ph·8-FHF Cy-Ph-Ph·Buty-5 PhF-PhM-Cy·1-2 Cy-Ph-PhFF·Ally-5 Cy-PhFF·2-O1 2 4 2 1 1 1 20 15 13 20 1 12 8 NI: 106℃ η: 21mPa·s Δε: 22.3 Δn: ?0.153 ?HTP-S811(μm -1): ?11.5 ΔV/ΔT[mv/℃](0℃-40℃):0.3 P: ?1.06
Embodiment 35:
The structural formula symbol Content (%) Performance perameter
Cy-Ph-C-Ph·1-FFN Ph-C-Ph·7-FFN Cy-Ph-C-Ph·Pro-FFN Cy-Ph-Ph·1-FFN Cy-Ph-C-Ph-Cy·3-5 Cy-Ph-yne-Ph·1-5 Cy-Ph-yne-Ph-Cy·8-O10 Cy-Ph-yne-Ph-Cy·1-O2 Cy-Cy·5-Pro Cy-Cy-Ph·Vinyl-FHF Cy-Ph-Ph·2-HHF Cy-Cy-Ph·5-O10 7 11 12 9 2 5 3 7 2 14 19 9 NI: 108℃ η: 29mPa·s Δε: 15.5 Δn: ?0.164 ?HTP-S811(μm -1): ?10.5 ΔV/ΔT[mv/℃](0℃-40℃):0.5 P: ?1.06

Claims (1)

1. a STN-LCD uses the mixed liquid crystal compsn, it is characterized in that, said liquid-crystal compsn is made up of following compounds: said per-cent is weight percentage,
1~65% at least a compound that is selected from general formula (I) representative, as first component,
Figure FSB00000882281300011
Said general formula (I) compound is:
Wherein: m 8, m 9Be 0, R is alkyl or the CH that contains 1~7 carbon atom 2=CH-, CH 2=CH-CH 2-, CH 3-CH=CH-, CH 2=CH-CH 2-CH 2-in a kind of;
1~55% at least a compound that is selected from general formula (II) representative, as second component,
Figure FSB00000882281300013
Said general formula (II) compound is selected from least a in the following compound:
Figure FSB00000882281300014
R wherein 3Be the straight chained alkyl of 1~5 carbon, while R 4Be-OCH 3,-OC 2H 5,-F ,-C 2H 5,-C 3H 7,-C 4H 9,-C 5H 11Wherein a kind of;
1~85% be selected from least a in the following compound, as the 3rd component,
Figure FSB00000882281300021
Figure FSB00000882281300031
Surplus is the compound that is selected from least two kinds of general formula representatives of general formula (IV)~general formula (VIII), as the 4th component,
Figure FSB00000882281300032
Said general formula (IV) compound does,
Figure FSB00000882281300041
Wherein: m 10, m 12Be 0, m 11Be 1,
Figure FSB00000882281300042
Be anti-form-1,4 substituted cyclohexyls, R are alkyl or the CH that contains 1~7 carbon atom 2=CH-, CH 2=CH-CH 2-, CH 3-CH=CH-, CH 2=CH-CH 2-CH 2-in a kind of;
Said logical formula V compound is selected from least a of following compound:
Figure FSB00000882281300043
R wherein 1, R 2It all is the straight chained alkyl of 1~5 carbon;
Said general formula (VI) compound is selected from least a of following compound:
Figure FSB00000882281300044
Figure FSB00000882281300051
R wherein 5It is the straight chained alkyl of 1~5 carbon;
Said general formula (VII) compound is selected from least a of following compound:
Figure FSB00000882281300052
R wherein 9Be straight chained alkyl, the R of 1~5 carbon 10Be the straight chain alkoxyl group of 2~5 carbon or the straight chained alkyl of 2~5 carbon;
Said general formula (VIII) compound is selected from least a of following compound:
Figure FSB00000882281300053
Wherein R is the straight chained alkyl of 2~5 carbon, R 8Be-OCH 3,-OC 2H 5,-C 2H 5,-C 3H 7,-C 4H 9,-C 5H 11In a kind of;
In said the 4th component, the content of the compound that each general formula is represented in compsn is:
When general formula (IV) was present in the 4th component, its content was 1~40%;
When logical formula V was present in the 4th component, its content was 1~20%;
When general formula (VI) was present in the 4th component, its content was 1~35%;
When general formula (VII) was present in the 4th component, its content was 1~20%;
When general formula (VIII) was present in the 4th component, its content was 1~20%.
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Denomination of invention: STN-LCD mixed liquid crystal composition

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