CN102634346A - Liquid crystal composition and application thereof as well as liquid crystal display comprising liquid crystal composition - Google Patents
Liquid crystal composition and application thereof as well as liquid crystal display comprising liquid crystal composition Download PDFInfo
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- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/32—Non-steroidal liquid crystal compounds containing condensed ring systems, i.e. fused, bridged or spiro ring systems
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- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
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- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K2019/0444—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit characterized by a linking chain between rings or ring systems, a bridging chain between extensive mesogenic moieties or an end chain group
- C09K2019/0466—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit characterized by a linking chain between rings or ring systems, a bridging chain between extensive mesogenic moieties or an end chain group the linking chain being a -CF2O- chain
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- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
- C09K19/30—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
- C09K19/3001—Cyclohexane rings
- C09K19/3003—Compounds containing at least two rings in which the different rings are directly linked (covalent bond)
- C09K2019/3004—Cy-Cy
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- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
- C09K19/30—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
- C09K19/3001—Cyclohexane rings
- C09K19/3003—Compounds containing at least two rings in which the different rings are directly linked (covalent bond)
- C09K2019/301—Cy-Cy-Ph
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- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
- C09K19/30—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
- C09K19/3001—Cyclohexane rings
- C09K19/3003—Compounds containing at least two rings in which the different rings are directly linked (covalent bond)
- C09K2019/3016—Cy-Ph-Ph
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- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
- C09K19/30—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
- C09K19/3001—Cyclohexane rings
- C09K19/3066—Cyclohexane rings in which the rings are linked by a chain containing carbon and oxygen atoms, e.g. esters or ethers
- C09K19/3068—Cyclohexane rings in which the rings are linked by a chain containing carbon and oxygen atoms, e.g. esters or ethers chain containing -COO- or -OCO- groups
- C09K2019/3071—Cy-Cy-COO-Cy
Abstract
The invention provides a liquid crystal composition and application thereof. The liquid crystal composition comprises a compound of general formula (I) accounting for 1-50 percent of the total weight of the liquid crystal composition, a compound of general formula (II) accounting for 5-60 percent of the total weight of the liquid crystal composition, a compound of general formula (III) accounting for 1-60 percent of the total weight of the liquid crystal composition and a compound of general formula (IV) accounting for 0-50 percent of the total weight of the liquid crystal composition. The liquid crystal composition has suitably high dielectric anisotropy, wide nematic phase range and suitable optical anisotropy, and can be used for outdoor operation and ensure good image displaying effect without image tail; the low temperature of the nematic phase can reach minus 30 DEG C, and the requirement of low-temperature operation can be met; under low temperature, storing for over 500 hours fundamentally has no influence on the performance; and change in voltage over temperature is low, and response is quick at low temperature. The invention also provides a liquid crystal display comprising the liquid crystal composition.
Description
Technical field
The invention relates to a kind of liquid-crystal compsn, particularly have high dielectric anisotropy, wide nematic phase range and suitable anisotropic liquid-crystal compsn of specific refractory power and an application thereof about a kind of.
Background technology
The indicating meter of liquid-crystal display (liquid crystal display) for utilizing liquid crystal photoelectricity to change, attracting advantage such as it has, and volume is little, in light weight, low power consumption and display quality are good, so become the main flow of flat-panel screens in recent years.The electrooptics pattern that existing liquid-crystal display adopts be for example reverse nematic (TN)-, ultra reverse nematic (STN)-, optical compensation curved (OCB)-and the pattern of electrically conerolled birefringence (ECB)-pattern and their various variants.These all patterns are all used electric field, and this electric field is substantially perpendicular to substrate, or perpendicular to liquid crystal layer, except that these patterns, also exist to adopt to be arranged essentially parallel to substrate, or the electrooptics pattern of the electric field of liquid crystal layer, like passive matrix electrophoretic displays.
For this class display, need have the novel liquid crystal medium that improves performance.Especially, for many type useds, the liquid crystal media that comprises liquid-crystal compsn must have the nematic phase of suitable wide region and suitable degree of birefringence, and dielectric anisotropy should be enough high to allow low operating voltage rationally.
The liquid-crystal compsn that is applicable to LCD and is applicable to the TFT indicating meter especially is for example from JP07-181439 (A), EP0667555, and EP0673986, DE19509410, DE19528106, DE19528107, WO9623851 and WO9628521 are known.Yet these liquid-crystal compsns have significant disadvantage.Major part in them except other shortcomings, especially causes the time of response of disadvantageous length, has low resistivity and needs too high operating voltage.Not stable especially when in addition, many existing liquid crystal materials are stored at low temperatures.
Therefore,, need have the practical application desired properties especially in the liquid crystal material field, like wide nematic phase range, appropriate optical anisotropy, the liquid-crystal compsn of good dielectric anisotropy.
Summary of the invention
The object of the present invention is to provide a kind of suitably high dielectric anisotropy that has, wide nematic phase range and suitable optically anisotropic liquid-crystal compsn, it does not show on shortcoming or the littler degree of existing medium and shows these shortcomings.
In order to accomplish the foregoing invention purpose, the present invention provides a kind of liquid-crystal compsn, comprising:
(1) accounts for the compound of the general formula (I) of said liquid-crystal compsn gross weight 1%-50%
(2) account for the compound of the general formula (II) of said liquid-crystal compsn gross weight 5%-60%
(3) account for the compound of the general formula (III) of said liquid-crystal compsn gross weight 1%-60%
(4) account for the compound of the general formula (IV) of said liquid-crystal compsn gross weight 0%-50%
Wherein:
R
1, R
2, R
3And R
5Can be identical or different, be independently selected from C respectively
1~C
7Alkyl, C
1~C
7Alkoxyl group, C
2~C
7Thiazolinyl or C
2~C
7Alkene oxygen base, wherein, said C
1~C
7Alkyl, C
1~C
7Alkoxyl group, C
2~C
7Thiazolinyl or C
2~C
7Alkene oxygen base in H arbitrarily can be replaced by F independently of one another;
R
4Be C
2~C
7Thiazolinyl;
R
6Be halogen, C
1~C
7Alkyl, C
1~C
7Alkoxyl group, C
2~C
7Thiazolinyl or C
2~C
7Alkene oxygen base, wherein, said C
1~C
7Alkyl, C
1~C
7Alkoxyl group, C
2~C
7Thiazolinyl or C
2~C
7Alkene oxygen base in H arbitrarily can be replaced by F independently of one another;
Z
1~Z
5Can be identical or different, be independently selected from respectively singly-bound ,-O-,-COO-,-OCO-,-C
2H
4-,-CH
2O-,-CH=CH-,-CF
2O-or-C ≡ C-;
X
1Be halogen, C
1~C
7Fluoro-alkyl, C
1~C
7Fluoroalkyl or C
1~C
7Fluoro alkene oxygen base;
L
1~L
6Can be identical or different, be independently selected from H or F respectively, wherein said L
1~L
6In at least two be F;
A) cyclohexyl, one or two in the wherein said cyclohexyl be non-conterminous-CH
2-can be replaced by O, on the said cyclohexyl arbitrarily H can be replaced by F independently of one another; Or
B) phenyl ring, on the wherein said phenyl ring arbitrarily H can be replaced by F independently of one another;
N is 0 or 1.
In embodiments of the invention; The compound of preferred formula (I) accounts for the 3%-45% of said composition total weight; The compound of general formula (II) accounts for the 10%-55% of said composition total weight; The compound of general formula (III) accounts for the 5%-45% of said composition total weight, and the compound of general formula (IV) accounts for the 5%-40% of said composition total weight.
In embodiments of the invention, the compound of general formula (I) is selected from one or more compounds in the group of being made up of following compound:
Wherein:
X
1For-F ,-Cl ,-CH
2F ,-CH
2CH
2F ,-CH
2CH
2CH
2F ,-CH
2CH
2CH
2CH
2F ,-OCH
2F ,-CH
2OCH
2F ,-CH
2CH
2OCH
2F ,-CH=CF
2Or-OCH=CF
2
R
1Be selected from C
1~C
5Alkyl, C
1~C
5Alkoxyl group, C
2~C
5Thiazolinyl or C
2~C
5Alkene oxygen base, wherein said C
1~C
5Alkyl, C
1~C
5Alkoxyl group, C
2~C
5Thiazolinyl or C
2~C
5Alkene oxygen base in arbitrarily H can be replaced by F independently of one another.
In embodiments of the invention, one or more of the preferred especially following compound of compound of general formula (I):
In embodiments of the invention, the compound of general formula (II) is selected from one or more compounds in the group of being made up of following compound:
Wherein:
R
2Be selected from C
1~C
5Alkyl, C
1~C
5Alkoxyl group, C
2~C
5Thiazolinyl or C
2~C
5Alkene oxygen base, wherein said C
1~C
5Alkyl, C
1~C
5Alkoxyl group, C
2~C
5Thiazolinyl or C
2~C
5Alkene oxygen base in arbitrarily H can be replaced by F independently of one another.
In embodiments of the invention, one or more of the preferred especially following compound of compound of general formula (II):
In embodiments of the invention, the compound of general formula (III) is selected from one or more compounds in the group of being made up of following compound:
Wherein:
R
3Be selected from C
1~C
5Alkyl, C
1~C
5Alkoxyl group, C
2~C
5Thiazolinyl or C
2~C
5Alkene oxygen base, wherein said C
1~C
5Alkyl, C
1~C
5Alkoxyl group, C
2~C
5Thiazolinyl or C
2~C
5Alkene oxygen base in arbitrarily H can be replaced by F independently of one another.
In embodiments of the invention, one or more of the preferred especially following compound of compound of general formula (III):
In embodiments of the invention, the compound of general formula (IV) is selected from one or more compounds in the group of being made up of following compound:
Wherein:
R
5Be selected from C
1~C
5Alkyl, C
1~C
5Alkoxyl group, C
2~C
5Thiazolinyl or C
2~C
5Alkene oxygen base, wherein said C
1~C
5Alkyl, C
1~C
5Alkoxyl group, C
2~C
5Thiazolinyl or C
2~C
5Alkene oxygen base in arbitrarily H can be replaced by F independently of one another;
R
6Be selected from F, Cl, C
1~C
5Alkyl, C
1~C
5Alkoxyl group, C
2~C
5Thiazolinyl or C
2~C
5Alkene oxygen base, wherein said C
1~C
5Alkyl, C
1~C
5Alkoxyl group, C
2~C
5Thiazolinyl or C
2~C
5Alkene oxygen base in arbitrarily H can be replaced by F independently of one another.
In embodiments of the invention, one or more of the preferred especially following compound of compound of general formula (IV):
and
Another aspect of the present invention provides the application of liquid-crystal compsn in making the electrooptics device.
Another aspect of the present invention provides a kind of electrooptics liquid-crystal display, and said liquid-crystal display comprises liquid-crystal compsn of the present invention.
The present invention is through carrying out combination experiment to above-claimed cpd, through with the comparison of contrast, confirmed to comprise the liquid crystal media of above-mentioned liquid-crystal compsn to have suitably high dielectric anisotropy, suitable nematic phase range and specific refractory power anisotropy.
Liquid-crystal compsn of the present invention can be used for active matrix (thin film transistor is called for short AMD), preferably passes through the matrix addressing of thin film transistor (TFT).Yet liquid crystal of the present invention also can be used for for example IPS indicating meter.
As stated, liquid-crystal compsn of the present invention can be used for outwork, and its image display effect is good, no smear phenomenon.And nematic low temperature can reach-30 ℃, can satisfy the needs of low-temperature working.Under low temperature (30 ℃), storage surpasses 500 hours does not have influence basically to its performance.Voltage is little with variation of temperature, and the response under the low temperature is fast.
Like no specified otherwise, described ratio is weight ratio in the present invention, and all temperature are degree celsius temperature, and the box that the test of described response time data is selected for use is thick to be 7 μ m.
Embodiment
Below will combine specific embodiments that the present invention is described.Need to prove that following embodiment is an example of the present invention, only be used for explaining the present invention, and be not used for limiting the present invention.Under the situation that does not depart from purport of the present invention or scope, can carry out the present invention and conceive interior other combination and various improvement.
Below liquid-crystal display that each embodiment adopted be the TN-TFT liquid crystal display, the thick d=7 μ of box m partly is made up of polarizer (polaroid), electrode base board etc.This display equipment is normal white mode, and when promptly not having voltage difference to put between the row and column electrode, the viewer observes the pixel color of white.Polarizer axes up and down on the substrate becomes an angle of 90 degrees each other.Space between two substrates is full of optical liquid crystal material.
For ease of expressing, below among each embodiment, the unit structure of liquid crystalline cpd is with the listed coded representation of table 1:
The unit structure code of table 1 liquid crystalline cpd
With following structure is example:
This structure is with the coded representation in the table 1: then can be expressed as 3PTGQP3, and for example:
Then can be expressed as nCPTPOm, the n in the code representes the C atomicity of left end alkyl, and for example n is " 3 ", representes that promptly this alkyl is-C3H7; C in the code represents cyclohexyl; O represention oxygen atom in the code; P in the code represents phenylene; M in the code representes the C atomicity of right-hand member alkyl, and for example m is " 1 ", representes that promptly the alkyl of right-hand member is-CH
3
The code name of writing a Chinese character in simplified form of each test event is expressed as respectively among the embodiment:
Each composition that in following embodiment, is adopted all can synthesize through known method, perhaps obtains through commercial sources.These synthetic technologys are conventional, and resultant each liquid crystalline cpd meets electrical type compound standard through test.
According to the proportioning of each liquid-crystal compsn of following examples regulations, preparation liquid-crystal compsn.The preparation of said liquid-crystal compsn is to carry out according to the ordinary method of this area, as take modes such as heating, UW, suspension according to the rules mixed make.
The liquid-crystal compsn that provides in preparation and research the following example.The composition and its performance parameter test result that have shown each liquid-crystal compsn below.
Table 2 is listed to be composition, the proportioning of reference examples liquid-crystal compsn and to be filled in the test result of carrying out performance test between the liquid-crystal display two substrates, so that carry out performance comparison with explanation liquid-crystal compsn of the present invention.
Reference examples (CN1869792)
The liquid-crystal compsn that is mixed with reference examples by each listed in the table 2 compound and weight percentage is filled in it and carries out performance test between liquid-crystal display two substrates, and test data is as shown in the table:
Table 2 liquid-crystal compsn prescription and test performance thereof
Embodiment 1
Be mixed with liquid-crystal compsn of the present invention by each listed in the table 3 compound and weight percentage, it is filled in and carries out performance test between the liquid-crystal display two substrates, and test data is as shown in the table:
Table 3 liquid-crystal compsn prescription and test performance thereof
The characteristics of said composition are favourable optics anisotropic, low rotary viscosity, high clearing point and fast response speed.Therefore be applicable in outdoor equipment and the low temperature environment.
Embodiment 2
Be mixed with liquid-crystal compsn of the present invention by each listed in the table 4 compound and weight percentage, it is filled in and carries out performance test between the liquid-crystal display two substrates, and test data is as shown in the table:
Table 4 liquid-crystal compsn prescription and test performance thereof
The characteristics of said composition are favourable optics anisotropic, low-down rotary viscosity, high clearing point and very fast response speed.Therefore be applicable in outdoor equipment and the low temperature environment.
Embodiment 3
Be mixed with liquid-crystal compsn of the present invention by each listed in the table 5 compound and weight percentage, it is filled in and carries out performance test between the liquid-crystal display two substrates, and test data is as shown in the table:
Table 5 liquid-crystal compsn prescription and test performance thereof
The characteristics of said composition are favourable optics anisotropic, low threshold voltage, superior power saving performance, fast response speed.Therefore be applicable in outdoor equipment and the low temperature environment.
Embodiment 4
Be mixed with liquid-crystal compsn of the present invention by each listed in the table 6 compound and weight percentage, it is filled in and carries out performance test between the liquid-crystal display two substrates, and test data is as shown in the table:
Table 6 liquid-crystal compsn prescription and test performance thereof
The characteristics of said composition are favourable optics anisotropic, low threshold voltage, very superior power saving performance, very fast response speed.Therefore be applicable in outdoor equipment and the low temperature environment.
Embodiment 5
Be mixed with liquid-crystal compsn of the present invention by each listed in the table 7 compound and weight percentage, it is filled in and carries out performance test between the liquid-crystal display two substrates, and test data is as shown in the table:
Table 7 liquid-crystal compsn prescription and test performance thereof
The characteristics of said composition are favourable optics anisotropic, high clearing point, fast response speed, suitable demonstration contrast gradient.Therefore be applicable in outdoor liquid crystal apparatus and the low temperature environment.
Embodiment 6
Be mixed with liquid-crystal compsn of the present invention by each listed in the table 8 compound and weight percentage, it is filled in and carries out performance test between the liquid-crystal display two substrates, and test data is as shown in the table:
Table 8 liquid-crystal compsn prescription and test performance thereof
The characteristics of said composition are favourable optics anisotropic, low threshold voltage, superior power saving performance, fast response speed, high clearing point and most suitable demonstration contrast gradient.Therefore be applicable in outdoor equipment and the low temperature environment.
Claims (10)
1. liquid-crystal compsn comprises:
(1) accounts for the compound of the general formula (I) of said liquid-crystal compsn gross weight 1%-50%
(2) account for the compound of the general formula (II) of said liquid-crystal compsn gross weight 5%-60%
(3) account for the compound of the general formula (III) of said liquid-crystal compsn gross weight 1%-60%
(4) account for the compound of the general formula (IV) of said liquid-crystal compsn gross weight 0%-50%
Wherein:
R
1, R
2, R
3And R
5Can be identical or different, be independently selected from C respectively
1~C
7Alkyl, C
1~C
7Alkoxyl group, C
2~C
7Thiazolinyl or C
2~C
7Alkene oxygen base, wherein, said C
1~C
7Alkyl, C
1~C
7Alkoxyl group, C
2~C
7Thiazolinyl or C
2~C
7Alkene oxygen base in H arbitrarily can be replaced by F independently of one another;
R
4Be C
2~C
7Thiazolinyl;
R
6Be halogen, C
1~C
7Alkyl, C
1~C
7Alkoxyl group, C
2~C
7Thiazolinyl or C
2~C
7Alkene oxygen base, wherein, said C
1~C
7Alkyl, C
1~C
7Alkoxyl group, C
2~C
7Thiazolinyl or C
2~C
7Alkene oxygen base in H arbitrarily can be replaced by F independently of one another;
Z
1~Z
5Can be identical or different, be independently selected from respectively singly-bound ,-O-,-COO-,-OCO-,-C
2H
4-,-CH
2O-,-CH=CH-,-CF
2O-or-C ≡ C-;
X
1Be halogen, C
1~C
7Fluoro-alkyl, C
1~C
7Fluoroalkyl or C
1~C
7Fluoro alkene oxygen base;
L
1~L
6Can be identical or different, be independently selected from H or F respectively, wherein said L
1~L
6In at least two be F;
A) cyclohexyl, one or two in the wherein said cyclohexyl be non-conterminous-CH
2-can be replaced by O, on the said cyclohexyl arbitrarily H can be replaced by F independently of one another; Or
B) phenyl ring, on the wherein said phenyl ring arbitrarily H can be replaced by F independently of one another;
N is 0 or 1.
2. liquid-crystal compsn according to claim 1 is characterized in that, the compound of said general formula (I) accounts for the 3%-45% of said liquid-crystal compsn gross weight; The compound of said general formula (II) accounts for the 10%-55% of said liquid-crystal compsn gross weight; The compound of said general formula (III) accounts for the 5%-45% of said liquid-crystal compsn gross weight; And the compound of said general formula (IV) accounts for the 5%-40% of said liquid-crystal compsn gross weight.
3. liquid-crystal compsn according to claim 1 is characterized in that, the compound of said general formula (I) is selected from one or more compounds in the group of being made up of following compound:
Wherein:
X
1For-F ,-Cl ,-CH
2F ,-CH
2CH
2F ,-CH
2CH
2CH
2F ,-CH
2CH
2CH
2CH
2F ,-OCH
2F ,-CH
2OCH
2F ,-CH
2CH
2OCH
2F ,-CH=CF
2Or-OCH=CF
2
R
1Be selected from C
1~C
5Alkyl, C
1~C
5Alkoxyl group, C
2~C
5Thiazolinyl or C
2~C
5Alkene oxygen base, wherein said C
1~C
5Alkyl, C
1~C
5Alkoxyl group, C
2~C
5Thiazolinyl or C
2~C
5Alkene oxygen base in arbitrarily H can be replaced by F independently of one another.
4. according to the said liquid-crystal compsn of claim 1, it is characterized in that the compound of said general formula (II) is selected from one or more compounds in the group of being made up of following compound:
Wherein:
R
2Be selected from C
1~C
5Alkyl, C
1~C
5Alkoxyl group, C
2~C
5Thiazolinyl or C
2~C
5Alkene oxygen base, wherein said C
1~C
5Alkyl, C
1~C
5Alkoxyl group, C
2~C
5Thiazolinyl or C
2~C
5Alkene oxygen base in arbitrarily H can be replaced by F independently of one another.
5. according to the said liquid-crystal compsn of claim 1, it is characterized in that the compound of said general formula (III) is selected from one or more compounds in the group of being made up of following compound:
Wherein:
R
3Be selected from C
1~C
5Alkyl, C
1~C
5Alkoxyl group, C
2~C
5Thiazolinyl or C
2~C
5Alkene oxygen base, wherein said C
1~C
5Alkyl, C
1~C
5Alkoxyl group, C
2~C
5Thiazolinyl or C
2~C
5Alkene oxygen base in arbitrarily H can be replaced by F independently of one another.
6. according to the said liquid-crystal compsn of claim 1, it is characterized in that the compound of said general formula (IV) is selected from one or more compounds in the group of being made up of following compound:
and
Wherein:
R
5Be selected from C
1~C
5Alkyl, C
1~C
5Alkoxyl group, C
2~C
5Thiazolinyl or C
2~C
5Alkene oxygen base, wherein said C
1~C
5Alkyl, C
1~C
5Alkoxyl group, C
2~C
5Thiazolinyl or C
2~C
5Alkene oxygen base in arbitrarily H can be replaced by F independently of one another;
R
6Be selected from F, Cl, C
1~C
5Alkyl, C
1~C
5Alkoxyl group, C
2~C
5Thiazolinyl or C
2~C
5Alkene oxygen base, wherein said C
1~C
5Alkyl, C
1~C
5Alkoxyl group, C
2~C
5Thiazolinyl or C
2~C
5Alkene oxygen base in arbitrarily H can be replaced by F independently of one another.
7. according to the said liquid-crystal compsn of claim 2, it is characterized in that the compound of said general formula (I) is selected from one or more compounds in the group of being made up of following compound:
The compound of said general formula (II) is selected from one or more compounds in the group of being made up of following compound:
The compound of said general formula (III) is selected from one or more compounds in the group of being made up of following compound:
and
and
The compound of said general formula (IV) is selected from one or more compounds in the group of being made up of following compound:
and
8. liquid-crystal compsn according to claim 7 is characterized in that, said liquid-crystal compsn comprises:
Account for the compound IV-A-13 of said liquid-crystal compsn gross weight 4%;
Account for the compound IV-C-5 of said liquid-crystal compsn gross weight 4%;
Account for the compound I I-A-2 of said liquid-crystal compsn gross weight 15%;
Account for the compound I I-A-3 of said liquid-crystal compsn gross weight 20%;
Account for the compound I I-A-5 of said liquid-crystal compsn gross weight 6%;
Account for the compound IV-D-18 of said liquid-crystal compsn gross weight 4%;
Account for the compound III-A-3 of said liquid-crystal compsn gross weight 18%;
Account for the compound III-B-3 of said liquid-crystal compsn gross weight 3%;
Account for the compound I-C-12 of said liquid-crystal compsn gross weight 5%;
Account for the compound I-C-13 of said liquid-crystal compsn gross weight 6%;
Account for the compound I-A-13 of said liquid-crystal compsn gross weight 7%; And
Account for the compound I-A-12 of said liquid-crystal compsn gross weight 8%;
Perhaps, said liquid-crystal compsn comprises:
Account for the compound IV-A-13 of said liquid-crystal compsn gross weight 4%;
Account for the compound IV-C-5 of said liquid-crystal compsn gross weight 6%;
Account for the compound I I-A-2 of said liquid-crystal compsn gross weight 16%;
Account for the compound I I-A-3 of said liquid-crystal compsn gross weight 22%;
Account for the compound I I-A-5 of said liquid-crystal compsn gross weight 10%;
Account for the compound III-A-3 of said liquid-crystal compsn gross weight 15%;
Account for the compound III-B-3 of said liquid-crystal compsn gross weight 3%;
Account for the compound I-C-12 of said liquid-crystal compsn gross weight 6%;
Account for the compound I-C-13 of said liquid-crystal compsn gross weight 6%;
Account for the compound I-A-13 of said liquid-crystal compsn gross weight 6%; And
Account for the compound I-A-12 of said liquid-crystal compsn gross weight 6%;
Perhaps, said liquid-crystal compsn comprises:
Account for the compound IV-A-13 of said liquid-crystal compsn gross weight 4%;
Account for the compound IV-C-5 of said liquid-crystal compsn gross weight 4%;
Account for the compound I I-A-2 of said liquid-crystal compsn gross weight 15%;
Account for the compound I I-A-3 of said liquid-crystal compsn gross weight 20%;
Account for the compound I I-A-4 of said liquid-crystal compsn gross weight 9%;
Account for the compound IV-D-18 of said liquid-crystal compsn gross weight 4%;
Account for the compound III-A-3 of said liquid-crystal compsn gross weight 15%;
Account for the compound III-B-3 of said liquid-crystal compsn gross weight 3%;
Account for the compound I-C-12 of said liquid-crystal compsn gross weight 7%;
Account for the compound I-C-13 of said liquid-crystal compsn gross weight 7%;
Account for the compound I-A-13 of said liquid-crystal compsn gross weight 6%; And
Account for the compound I-A-12 of said liquid-crystal compsn gross weight 6%;
Perhaps, said liquid-crystal compsn comprises:
Account for the compound IV-B-11 of said liquid-crystal compsn gross weight 4%;
Account for the compound IV-C-5 of said liquid-crystal compsn gross weight 13%;
Account for the compound IV-C-4 of said liquid-crystal compsn gross weight 3%;
Account for the compound IV-D-8 of said liquid-crystal compsn gross weight 3%;
Account for the compound I I-A-2 of said liquid-crystal compsn gross weight 10%;
Account for the compound I I-A-3 of said liquid-crystal compsn gross weight 22%;
Account for the compound I I-A-5 of said liquid-crystal compsn gross weight 5%;
Account for the compound III-A-3 of said liquid-crystal compsn gross weight 18%;
Account for the compound I-C-12 of said liquid-crystal compsn gross weight 6%;
Account for the compound I-C-13 of said liquid-crystal compsn gross weight 6%;
Account for the compound I-A-13 of said liquid-crystal compsn gross weight 5%; And
Account for the compound I-A-12 of said liquid-crystal compsn gross weight 5%;
Perhaps, said liquid-crystal compsn comprises:
Account for the compound IV-B-11 of said liquid-crystal compsn gross weight 4%;
Account for the compound IV-C-5 of said liquid-crystal compsn gross weight 13%;
Account for the compound IV-C-4 of said liquid-crystal compsn gross weight 2%;
Account for the compound IV-C-8 of said liquid-crystal compsn gross weight 3%;
Account for the compound IV-D-8 of said liquid-crystal compsn gross weight 2%;
Account for the compound I I-A-2 of said liquid-crystal compsn gross weight 10%;
Account for the compound I I-A-3 of said liquid-crystal compsn gross weight 22%;
Account for the compound I I-A-5 of said liquid-crystal compsn gross weight 5%;
Account for the compound III-A-3 of said liquid-crystal compsn gross weight 19%;
Account for the compound I-C-12 of said liquid-crystal compsn gross weight 6%;
Account for the compound I-C-13 of said liquid-crystal compsn gross weight 5%;
Account for the compound I-A-13 of said liquid-crystal compsn gross weight 4%; And
Account for the compound I-A-12 of said liquid-crystal compsn gross weight 5%;
Perhaps, said liquid-crystal compsn comprises:
Account for the compound IV-B-11 of said liquid-crystal compsn gross weight 5%;
Account for the compound IV-C-5 of said liquid-crystal compsn gross weight 12%;
Account for the compound I I-B-3 of said liquid-crystal compsn gross weight 3%;
Account for the compound IV-C-8 of said liquid-crystal compsn gross weight 5%;
Account for the compound I I-A-2 of said liquid-crystal compsn gross weight 10%;
Account for the compound I I-A-3 of said liquid-crystal compsn gross weight 21%;
Account for the compound I I-A-5 of said liquid-crystal compsn gross weight 5%;
Account for the compound III-A-3 of said liquid-crystal compsn gross weight 19%;
Account for the compound I-C-12 of said liquid-crystal compsn gross weight 6%;
Account for the compound I-C-13 of said liquid-crystal compsn gross weight 5%;
Account for the compound I-A-13 of said liquid-crystal compsn gross weight 4%; And
Account for the compound I-A-12 of said liquid-crystal compsn gross weight 5%.
9. according to the application of the described liquid-crystal compsn of claim 1~8 in making the electrooptics device.
10. electrooptics liquid-crystal display, said liquid-crystal display comprises the liquid-crystal compsn of claim 1~8.
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CN2012100774855A CN102634346A (en) | 2012-03-21 | 2012-03-21 | Liquid crystal composition and application thereof as well as liquid crystal display comprising liquid crystal composition |
PCT/CN2013/000329 WO2013139177A1 (en) | 2012-03-21 | 2013-03-20 | Liquid crystal composition, application of same, and liquid crystal display comprising same |
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