CN103289708A - Positive dielectric anisotropic liquid crystal composition - Google Patents
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Abstract
The invention discloses a positive dielectric anisotropic liquid crystal composition. The positive dielectric anisotropic liquid crystal composition comprises 1%-40% by weight of compound with a structural formula I, 1%-50% by weight of compound with a structural formula II, 1%-60% by weight of compound with a structural formula III and 1%-80% by weight of compound with a structural formula IV, and an optically active compound accounting for 0-0.5% of the total weight of the liquid crystal composition can be additionally added. The liquid crystal composition has the advantages of suitable positive dielectric anisotropy, lower rotary viscosity, very low total response time, lower voltage and higher resistivity and voltage holding ratio, and further has broad application prospects and application values in liquid crystal display.
Description
Technical field
The present invention relates to a kind of liquid-crystal composition, refer in particular to a kind of positive dielectric anisotropy liquid crystal composition that can be used for making the quick response of TFT-LCD.
Background technology
That display panels (Liquid Crystal Display Panel) possesses is frivolous, the characteristic of the low radiation of power saving, has progressively replaced conventional cathode ray tube display device and widespread use on commerce and consumption electronic products.Display panels can be divided into passive-matrix (PM) and active-matrix (AM) by the type of drive classification.PM is divided into static state (static) and multichannel (multiplex) etc., and AM is at present mainly based on thin film transistor (TFT).
Along with the maturation of the early 1990s TFT technology, the color liquid crystal flat-panel monitor develops rapidly, and less than the time in 10 years, TFT-LCD shot up and is the main flow indicating meter, and the advantage that this and it have is undivided.Its advantage mainly is divided into 5 points: 1, service performance is good.Low pressure applications, low driving voltage; Panelized, frivolous again, saved a large amount of starting material and usage space; Reduce power consumption; Display quality from the simplest monochromatic character graphics to high resolving power, high color fidelity of reproduction, high brightness, high-contrast, the video display unit (VDU) of all size model of high response speed; Its display mode has direct viewing type, projection type, perspective formula and multiple display mode such as reflective.2, environmental protection characteristic is good.TFT-LCD is radiationless, flicker free, healthy harmless to the user, and the particularly appearance of TFT-LCD electronic book will be brought the mankind into paperless office, no paper printing epoch, cause human study, propagate and note is planted the revolution of civilized mode.3, the scope of application is wide: can normally use in-20 ℃ to 50 ℃ temperature range, can reach subzero 80 ℃ through the TFT-LCD of excess temperature consolidation process low-temperature working temperature.Both can be used as mobile termination and shown, terminal console shows, can make large-curtain projecting TV set again, is the full-scale video display terminal (VDT) of excellent property.4, the level of automation height of manufacturing technology.5, TFT-LCD is easy to integrated and updates.
Liquid crystal material plays an important role to the performance of improving liquid-crystal display as one of important photoelectron material of liquid-crystal display.Be used for showing that the liquid crystal material of usefulness all needs to satisfy following performance: chemistry, physics and thermostability that (1) is good, to the stability of electric field and electromagnetic radiation; (2) viscosity (γ 1) is low; (3) has suitable dielectric anisotropy △ ε; (4) suitable optical anisotropy △ n; (5) intermiscibility with other liquid crystalline cpds is good.And as the TFT-LCD liquid crystal material, have the requirement higher than common liquid crystals material, except above-mentioned characteristic, also should have performances such as wideer nematic temperature range, very high resistivity, good anti-ultraviolet property, high electric charge conservation rate, low-steam pressure, low ion concns, reduce power consumption, low rotary viscosity.But because the restriction of liquid crystal material itself, TFT-LCD still exists many defectives such as response speed is slow partially, voltage is higher, the electric charge conservation rate is lower.Therefore, the liquid crystal material of continually developing new excellent performance has great importance to the liquid-crystal display development.
Summary of the invention
The technical issues that need to address of the present invention provide a kind of high electric charge conservation rate that can be used for preparing TFT-LCD, high resistivity, high clearing point, suitable optical anisotropy, the positive dielectric anisotropy liquid crystal composition of low rotary viscosity.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
The compound that a kind of positive dielectric anisotropy liquid crystal composition, described liquid-crystal composition comprise the compound with structural formula I, the compound with structural formula II, have the compound of structural formula III and have the structural formula IV,
Wherein, R
1For 1. following～3. shown in arbitrary group in the group:
1. :-H ,-Cl ,-F ,-CN ,-OCN ,-OCF
3,-CF
3,-CHF
2,-CH
2F ,-OCHF
2,-SCN ,-NCS ,-SF
5, contain 1～15 carbon atom alkyl, contain 1～15 carbon atom alkoxyl group, contain 2～15 carbon atoms thiazolinyl, contain the alkene oxygen base of 2～15 carbon atoms;
2.: the alkyl that contains 1～15 carbon atom 1., contain 1～15 carbon atom alkoxyl group, contain 2～15 carbon atoms thiazolinyl, contain one or more-CH2-quilt-CH=CH-in the alkene oxygen base of 2～15 carbon atoms ,-C ≡ C-,-COO-,-OOC-, tetramethylene, pentamethylene ,-O-or-S-substitutes and substitutes the group that the Sauerstoffatom in the group of back does not directly link to each other;
3.: the above-mentioned alkyl that contains 1～15 carbon atom described in 1., contain 1～15 carbon atom alkoxyl group, contain 2～15 carbon atoms thiazolinyl, contain the group that any H atom in the alkene oxygen base of 2～15 carbon atoms is replaced by fluorine atom or chlorine atom, or in the above-mentioned 2. described group arbitrarily the H atom replaced the group that the back forms by fluorine atom or chlorine atom;
R
2, R
3, R
4, R
5Be respectively-H, contain the alkyl of 1～10 carbon atom or the alkyl that contains 1～10 carbon atom that any-H quilt-F replaces, contain the alkoxyl group of 1～10 carbon atom or the alkoxyl group that contains 1～10 carbon atom that any-H quilt-F replaces, contain the alkenyl of 2～10 carbon atoms or the alkenyl that contains 2～10 carbon atoms that any-H quilt-F replaces, contain the alkenyloxy of 3～8 carbon atoms or wherein arbitrary group of the alkenyloxy that contains 3～8 carbon atoms that any-H quilt-F replaces;
X
1, X
2, X
3, X
4, X
5, X
6, X
7Be respectively-H or-F;
Z
1, Z
2, Z
3Be respectively singly-bound ,-CH
2-,-CH
2-CH
2-,-(CH
2)
3-,-(CH
2)
4-,-CH=CH-,-C ≡ C-,-COO-,-OOC-,-CF
2O-,-OCH
2-,-CH
2O-,-OCF
2-,-CF
2CH
2-,-CH
2CF
2-,-CF
2-CF
2-or-CF=CF-wherein any one;
A
1, A
2, A
3, A
4, A
6, A
7, A
8, A
9, A
10, A
11Be respectively the arbitrary group in singly-bound or the following groups:
A
5Can be selected from the following groups any one:
A, b, d, e, f, h are respectively wherein arbitrary numerical value of 0,1,2 or 3, and c is wherein arbitrary numerical value of 1 or 2, and a+b+c≤5.
Described weight percentage with compound of structural formula I is 1%～40%, weight percentage with compound of structural formula II is 1%～50%, weight percentage with compound of structural formula III is 1%～60%, and the weight percentage with compound of structural formula IV is 1%～80%; And having the compound of structural formula I, the compound with structural formula II, the compound with structural formula III, the weight percentage sum with compound of structural formula IV in the described liquid-crystal composition is 100%, adds 0～0.5% optically active compounds of described liquid-crystal composition weight sum on this basis again.
Owing to adopted technique scheme, the obtained technical progress of the present invention is:
Positive dielectric anisotropy liquid crystal composition disclosed by the invention, have suitable positive dielectric anisotropy, suitable optical anisotropy, very high electric charge conservation rate, lower rotary viscosity, low-down overall response time, lower voltage, higher resistivity and voltage retention, in liquid-crystal display, have broad application prospects and using value.
Have the compound of structural formula I and the compound of structural formula II and have the unusual effect that improves dielectric anisotropy and reduce the time of response, and have good high temperature reliability.Wherein, compound with structural formula I has the necessary physical properties of liquid crystal monomer compound, to light, thermally-stabilised, has wideer nematic phase, with other compounds intermiscibility is preferably arranged, especially have low rotary viscosity and bigger dielectric anisotropy, can reduce the threshold voltage of liquid-crystal composition effectively, can reduce the time of response simultaneously, can improve the low temperature mutual solubility of liquid-crystal composition.
By the adjustment to each composition weight percentage composition in the liquid-crystal composition, liquid-crystal composition can obtain different threshold voltages and birefringent characteristic, is convenient to use under the thick and different driving voltage of different liquid crystal cells, and the scope of application is very wide.Simultaneously, this liquid-crystal composition also has excellent high-temperature stability and ultraviolet stability, low viscosity, fast-response time, suitable optical anisotropy and suitable dielectric anisotropy, therefore can be applicable to have the Electro-Optical Display of active array addressing, preferably by the matrix addressing of thin film transistor (TFT), be specially adapted to make active matrix TN-TFT, IPS-TFT liquid crystal display device and the liquid-crystal display of quick response.
Embodiment
Be described in further details below in conjunction with the present invention of embodiment:
Umber related among the following embodiment is weight percentage, and temperature unit is ℃ that concrete meaning and the test condition of other symbols are as follows:
C.p.: the liquid crystal clearing point (℃), the test of DSC quantitative method;
Δ n: optical anisotropy, n
oBe the specific refractory power of ordinary light, n
eBe the specific refractory power of extraordinary ray, test condition is 25 ± 2 ℃, 589nm, Abbe refractometer test;
Δ ε: dielectric anisotropy, Δ ε=ε ∥-ε ⊥, wherein, ε ∥ is the specific inductivity that is parallel to molecular axis, and ε ⊥ is the specific inductivity perpendicular to molecular axis, and test condition is 25 ± 0.5 ℃, 20 microns parallel boxes, INSTEC:ALCT-IR1 test;
γ 1: rotary viscosity (mPas), test condition are 25 ± 0.5 ℃, 20 microns parallel boxes, INSTEC:ALCT-IR1 test;
ρ: resistivity (Ω cm), test condition is 25 ± 2 ℃, testing tool is TOYOSR6517 high resistant instrument and LE-21 liquid electrode.
VHR: voltage retention, test condition are 20 ± 2 ℃, voltage for ± 5V, pulse width are 10ms, voltage hold-time 16.7ms, and testing apparatus is TOYOModel6254 liquid crystal property comprehensive tester.
V
10Be the optical threshold voltage (V) of liquid crystal, V
90Saturation voltage value (V) for liquid crystal.
VHR behind the UV: being that the liquid crystal compound sample is placed the TN testing cassete, is 50mw/cm by intensity
2, the UV light irradiation of 365nm continues to test behind the 100s.
ρ behind the high temperature: contain this liquid crystal compound sample, putting into material is the high-boron-silicon glass bottle, returns to room temperature and test after continuing to heat 1 hour under 100 ℃ of conditions of high temperature.
VHR behind the high temperature: contain this liquid crystal compound sample, putting into material is the high-boron-silicon glass bottle, continues heating and return to room temperature after 1 hour and pour in the TN testing cassete and test under 100 ℃ of conditions of high temperature.
The positive dielectric anisotropy liquid crystal composition of the present invention, the compound that comprise the compound with structural formula I, the compound with structural formula II, has the compound of structural formula III and have the structural formula IV,
Wherein, R
1For 1. following～3. shown in arbitrary group in the group:
1. :-H ,-Cl ,-F ,-CN ,-OCN ,-OCF
3,-CF
3,-CHF
2,-CH
2F ,-OCHF
2,-SCN ,-NCS ,-SF
5, contain 1～15 carbon atom alkyl, contain 1～15 carbon atom alkoxyl group, contain 2～15 carbon atoms thiazolinyl, contain the alkene oxygen base of 2～15 carbon atoms;
2.: the alkyl that contains 1～15 carbon atom 1., contain 1～15 carbon atom alkoxyl group, contain 2～15 carbon atoms thiazolinyl, contain one or more-CH2-quilt-CH=CH-in the alkene oxygen base of 2～15 carbon atoms ,-C ≡ C-,-COO-,-OOC-, tetramethylene, pentamethylene ,-O-or-S-substitutes and substitutes the group that the Sauerstoffatom in the group of back does not directly link to each other;
3.: the above-mentioned alkyl that contains 1～15 carbon atom described in 1., contain 1～15 carbon atom alkoxyl group, contain 2～15 carbon atoms thiazolinyl, contain the group that any H atom in the alkene oxygen base of 2～15 carbon atoms is replaced by fluorine atom or chlorine atom, or in the above-mentioned 2. described group arbitrarily the H atom replaced the group that the back forms by fluorine atom or chlorine atom;
R
2, R
3, R
4, R
5Be respectively-H, contain the alkyl of 1～10 carbon atom or the alkyl that contains 1～10 carbon atom that any-H quilt-F replaces, contain the alkoxyl group of 1～10 carbon atom or the alkoxyl group that contains 1～10 carbon atom that any-H quilt-F replaces, contain the alkenyl of 2～10 carbon atoms or the alkenyl that contains 2～10 carbon atoms that any-H quilt-F replaces, contain the alkenyloxy of 3～8 carbon atoms or wherein arbitrary group of the alkenyloxy that contains 3～8 carbon atoms that any-H quilt-F replaces;
X
1, X
2, X
3, X
4, X
5, X
6, X
7Be respectively-H or-F;
Z
1, Z
2, Z
3Be respectively singly-bound ,-CH
2-,-CH
2-CH
2-,-(CH
2)
3-,-(CH
2)
4-,-CH=CH-,-C ≡ C-,-COO-,-OOC-,-CF
2O-,-OCH
2-,-CH
2O-,-OCF
2-,-CF
2CH
2-,-CH
2CF
2-,-CF
2-CF
2-or-CF=CF-wherein any one;
A
1, A
2, A
3, A
4, A
6, A
7, A
8, A
9, A
10, A
11Be respectively the arbitrary group in singly-bound or the following groups:
A
5Can be selected from the following groups any one:
A, b, d, e, f, h are respectively wherein arbitrary numerical value of 0,1,2 or 3, and c is wherein arbitrary numerical value of 1 or 2, and a+b+c≤5.
The proportioning of the positive dielectric anisotropy liquid crystal composition of the present invention is: the weight percentage with compound of structural formula I is 1%～40%, preferred 5%～35%; Weight percentage with compound of structural formula II is 1%～50%, preferred 1%～40%; Weight percentage with compound of structural formula III is 1%～60%, preferred 5%～40%; Weight percentage with compound of structural formula IV is 1%～80%, preferred 5%～50%; And having the compound of structural formula I, the compound with structural formula II, the compound with structural formula III, the weight percentage sum with compound of structural formula IV in the described liquid-crystal composition is 100%, adds 0～0.5% optically active compounds of described liquid-crystal composition weight sum on this basis again.
Consisting of of the positive dielectric anisotropy liquid crystal composition of the present invention: described liquid-crystal composition has compound in structural formula I, 1～6 kind by 1～5 kind and has the compound of formula II, 1～5 kind of compound with formula II I and 1～6 kind of compound with structural formula IV and form.Be preferably and have compound in structural formula I, 1～3 kind by 1～4 kind and have the compound of formula II, 1～5 kind of compound with formula II I and 1～5 kind of compound with structural formula IV and form.
The performance perameter of the positive dielectric anisotropy liquid crystal composition of the present invention is: the nematic phase rotary viscosity of described liquid-crystal composition is no more than 150mPas, preferably be no more than 100mPas, dielectric anisotropy △ ε under 25 ℃, lkHz is between 1～15, preferably between 3～12, double refraction △ n is lower than 0.15, preferably between 0.05～0.13, further preferably between 0.08～0.12.
The compound preferred structure of the compound of the compound with structural formula I of the present invention, structural formula II, the compound of structural formula III, structural formula IV is as follows:
Wherein, R
3, R
4, R
5Be respectively the alkyl that contains 1～10 carbon atom that the alkyl that contains 1～10 carbon atom or arbitrarily-H quilt-F replaces, contain the alkoxyl group of 1～10 carbon atom or arbitrarily-the alkoxyl group that contains 1～10 carbon atom that H quilt-F replaces, contain wherein arbitrary group of the alkenyloxy that contains 3～8 carbon atoms of the alkenyl of 2～10 carbon atoms or the arbitrarily-alkenyl that contains 2～10 carbon atoms of H quilt-F replacement, the alkenyloxy that contains 3～8 carbon atoms or any-H quilt-F replacement;-(F) be-H or-F.
The following examples 1～10 take by weighing respectively in proportion has structural formula I, II, III, IV compound, and adds optically-active compound on this basis, is prepared into liquid-crystal composition.Employed various liquid crystal monomer all can synthesize by known method, or obtains by commercial sources.The preparation method of liquid-crystal composition takes ordinary method, for example at high temperature the liquid crystal monomer of various components is dissolved in the solvent and mixes, and steams then to desolventize under reduced pressure, obtains liquid-crystal composition; Or take methods such as ultrasonic wave, suspension that liquid crystal monomer is mixed in proportion to make.The liquid-crystal composition of gained is filled in carries out performance test between the liquid-crystal display two substrates.The performance parameter test result of the liquid-crystal composition of the type number of particular compound, monomer structure, consumption (weight percentage), gained all lists in the table.The corresponding embodiment 1～10 in table 1～10.
Embodiment 1
The proportioning of the liquid-crystal composition of table 1 embodiment 1 and performance perameter
Embodiment 2
Liquid-crystal composition proportioning and the performance perameter of table 2 embodiment 2
Embodiment 3
Liquid-crystal composition proportioning and the performance perameter of table 3 embodiment 3
Embodiment 4
Liquid-crystal composition proportioning and the performance perameter of table 4 embodiment 4
Embodiment 5
Liquid-crystal composition proportioning and the performance perameter of table 5 embodiment 5
Embodiment 6
Liquid-crystal composition proportioning and the performance perameter of table 6 embodiment 6
Embodiment 7
Liquid-crystal composition proportioning and the performance perameter of table 7 embodiment 7
Embodiment 8
Liquid-crystal composition proportioning and the performance perameter of table 8 embodiment 8
Embodiment 9
Liquid-crystal composition proportioning and the performance perameter of table 9 embodiment 9
Embodiment 10
Liquid-crystal composition proportioning and the performance perameter of table 10 embodiment 10
More than liquid crystal compound among 10 embodiment have very high clearing point, lower rotary viscosity, wideer nematic temperature range, suitable dielectric anisotropy, time of response and high high temperature and ultraviolet reliability faster, and has lower cost, simultaneously with very high resistivity and voltage retention, very high stability, application direction very widely can be provided, be specially adapted to make TN-TFT, IPS-TFT liquid crystal display device and the liquid-crystal display of quick response.
Though the present invention has only enumerated particular compound and the proportioning quality percentage composition of above-mentioned 10 embodiment, and carried out performance test, but liquid-crystal composition of the present invention can be on the basis of above-described embodiment, utilize the preferred compound of the compound of general formula I involved in the present invention, II, III, IV representative and general formula I, II, III, IV further to expand and revise, all can reach purpose of the present invention.These modifications or improvements on the basis of not departing from the technology of the present invention thought all belong to the scope of protection of present invention.
Claims (9)
1. positive dielectric anisotropy liquid crystal composition is characterized in that: the compound that described liquid-crystal composition comprises the compound with structural formula I, the compound with structural formula II, has the compound of structural formula III and have the structural formula IV,
Wherein, R
1For 1. following～3. shown in arbitrary group in the group:
1. :-H ,-Cl ,-F ,-CN ,-OCN ,-OCF
3,-CF
3,-CHF
2,-CH
2F ,-OCHF
2,-SCN ,-NCS ,-SF
5, contain 1～15 carbon atom alkyl, contain 1～15 carbon atom alkoxyl group, contain 2～15 carbon atoms thiazolinyl, contain the alkene oxygen base of 2～15 carbon atoms;
2.: the alkyl that contains 1～15 carbon atom 1., contain 1～15 carbon atom alkoxyl group, contain 2～15 carbon atoms thiazolinyl, contain one or more-CH2-quilt-CH=CH-in the alkene oxygen base of 2～15 carbon atoms ,-C ≡ C-,-COO-,-OOC-, tetramethylene, pentamethylene ,-O-or-S-substitutes and substitutes the group that the Sauerstoffatom in the group of back does not directly link to each other;
3.: the above-mentioned alkyl that contains 1～15 carbon atom described in 1., contain 1～15 carbon atom alkoxyl group, contain 2～15 carbon atoms thiazolinyl, contain the group that any H atom in the alkene oxygen base of 2～15 carbon atoms is replaced by fluorine atom or chlorine atom, or in the above-mentioned 2. described group arbitrarily the H atom replaced the group that the back forms by fluorine atom or chlorine atom;
R
2, R
3, R
4, R
5Be respectively-H, contain the alkyl of 1～10 carbon atom or the alkyl that contains 1～10 carbon atom that any-H quilt-F replaces, contain the alkoxyl group of 1～10 carbon atom or the alkoxyl group that contains 1～10 carbon atom that any-H quilt-F replaces, contain the alkenyl of 2～10 carbon atoms or the alkenyl that contains 2～10 carbon atoms that any-H quilt-F replaces, contain the alkenyloxy of 3～8 carbon atoms or wherein arbitrary group of the alkenyloxy that contains 3～8 carbon atoms that any-H quilt-F replaces;
X
1, X
2, X
3, X
4, X
5, X
6, X
7Be respectively-H or-F;
Z
1, Z
2, Z
3Be respectively singly-bound ,-CH
2-,-CH
2-CH
2-,-(CH
2)
3-,-(CH
2)
4-,-CH=CH-,-C ≡ C-,-COO-,-OOC-,-CF
2O-,-OCH
2-,-CH
2O-,-OCF
2-,-CF
2CH
2-,-CH
2CF
2-,-CF
2-CF
2-or-CF=CF-wherein any one;
A
1, A
2, A
3, A
4, A
6, A
7, A
8, A
9, A
10, A
11Be respectively the arbitrary group in singly-bound or the following groups:
A
5Can be selected from the following groups any one:
A, b, d, e, f, h are respectively wherein arbitrary numerical value of 0,1,2 or 3, and c is wherein arbitrary numerical value of 1 or 2, and a+b+c≤5.
2. positive dielectric anisotropy liquid crystal composition according to claim 1, it is characterized in that: described weight percentage with compound of structural formula I is 1%～40%, weight percentage with compound of structural formula II is 1%～50%, weight percentage with compound of structural formula III is 1%～60%, and the weight percentage with compound of structural formula IV is 1%～80%; And having the compound of structural formula I, the compound with structural formula II, the compound with structural formula III, the weight percentage sum with compound of structural formula IV in the described liquid-crystal composition is 100%, adds 0～0.5% optically active compounds of described liquid-crystal composition weight sum on this basis again.
3. positive dielectric anisotropy liquid crystal composition according to claim 2, it is characterized in that: described weight percentage with compound of structural formula I is 5%～35%, weight percentage with compound of structural formula II is 1%～40%, weight percentage with compound of structural formula III is 5%～40%, and the weight percentage with compound of structural formula IV is 5%～50%; And having the compound of structural formula I, the compound with structural formula II, the compound with structural formula III, the weight percentage sum with compound of structural formula IV in the described liquid-crystal composition is 100%, adds 0～0.5% optically active compounds of described liquid-crystal composition weight sum on this basis again.
4. positive dielectric anisotropy liquid crystal composition according to claim 1 is characterized in that: described liquid-crystal composition has compound in structural formula I, 1～6 kind by 1～5 kind and has the compound of formula II, 1～5 kind of compound with formula II I and 1～6 kind of compound with structural formula IV and form.
5. positive dielectric anisotropy liquid crystal composition according to claim 4 is characterized in that: described liquid-crystal composition has the compound of formula II, 1～5 kind of compound with formula II I and 1～5 kind of compound with structural formula IV and forms for having compound in structural formula I, 1～3 kind by 1～4 kind.
6. positive dielectric anisotropy liquid crystal composition according to claim 1, it is characterized in that: the nematic phase rotary viscosity of described liquid-crystal composition is no more than 150mPas, dielectric anisotropy △ ε under 25 ℃, lkHz is between 1～15, and double refraction △ n is lower than 0.15.
7. positive dielectric anisotropy liquid crystal composition according to claim 6, it is characterized in that: the nematic phase rotary viscosity of described liquid-crystal composition preferably is no more than 100mPas; Dielectric anisotropy △ ε under 25 ℃, lkHz is between 3～12; Double refraction △ n is between 0.05～0.13.
8. positive dielectric anisotropy liquid crystal composition according to claim 7, it is characterized in that: described double refraction △ n is between 0.08～0.12.
9. according to each described positive dielectric anisotropy liquid crystal composition of claim 1～8, its feature exists: the compound shown in the described preferred I-a of compound～I-v with structural formula I:
Compound shown in the described preferred II-a of compound～II-l with structural formula II:
Compound shown in the described preferred III-a of compound～III-m with structural formula III:
Compound shown in the described preferred IV-a of compound～IV-w with structural formula IV:
Wherein, R
3, R
4, R
5Be respectively the alkyl that contains 1～10 carbon atom that the alkyl that contains 1～10 carbon atom or arbitrarily-H quilt-F replaces, contain the alkoxyl group of 1～10 carbon atom or arbitrarily-the alkoxyl group that contains 1～10 carbon atom that H quilt-F replaces, contain wherein arbitrary group of the alkenyloxy that contains 3～8 carbon atoms of the alkenyl of 2～10 carbon atoms or the arbitrarily-alkenyl that contains 2～10 carbon atoms of H quilt-F replacement, the alkenyloxy that contains 3～8 carbon atoms or any-H quilt-F replacement;-(F) be-H or-F.
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| CN103351879A (en) * | 2013-07-10 | 2013-10-16 | 石家庄诚志永华显示材料有限公司 | Positive dielectric anisotropic liquid crystal composition |
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| WO2015037518A1 (en) * | 2013-09-12 | 2015-03-19 | Dic株式会社 | Composition and liquid crystal display element using same |
| WO2015037516A1 (en) * | 2013-09-12 | 2015-03-19 | Dic株式会社 | Composition and liquid crystal display element using same |
| CN105238415A (en) * | 2015-11-09 | 2016-01-13 | 石家庄诚志永华显示材料有限公司 | Liquid crystal compound containing tetrahydropyran difluoro methylene oxygen group and preparation method and application thereof |
| CN105295953A (en) * | 2015-11-09 | 2016-02-03 | 石家庄诚志永华显示材料有限公司 | Liquid crystalline compound containing 1,3-dioxane difluoro methylene oxygen group and preparation method and application thereof |
| CN105441088A (en) * | 2015-12-08 | 2016-03-30 | 石家庄诚志永华显示材料有限公司 | Liquid crystal composition and liquid crystal display element or liquid crystal display containing liquid crystal composition |
| CN114262615A (en) * | 2021-12-27 | 2022-04-01 | 苏州汉朗光电有限公司 | High-dielectric-constant liquid crystal composition and application thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1046693A1 (en) * | 1999-04-19 | 2000-10-25 | Chisso Corporation | Liquid crystal composition and liquid crystal display element |
| US6696110B1 (en) * | 1999-04-06 | 2004-02-24 | Qinetiq Limited | Liquid crystalline alkenyl compounds incorporating an heterocyclic five-membered ring |
| CN101544894A (en) * | 2009-05-07 | 2009-09-30 | 石家庄永生华清液晶有限公司 | Liquid crystal composition |
| US20090314988A1 (en) * | 2008-06-24 | 2009-12-24 | Chisso Corporation | Liquid crystal composition and liquid crystal display device |
| US20110309300A1 (en) * | 2010-06-18 | 2011-12-22 | Chisso Petrochemical Corporation | Compound having a five-membered ring, the liquid crystal composition and the liquid crystal display device |
| CN102585840A (en) * | 2011-12-23 | 2012-07-18 | 北京八亿时空液晶科技股份有限公司 | Liquid crystal composition containing cyclopentyl compounds |
| CN102618296A (en) * | 2012-02-17 | 2012-08-01 | 北京八亿时空液晶科技股份有限公司 | Liquid crystal compound and preparation method thereof |
| CN102924243A (en) * | 2012-03-27 | 2013-02-13 | 石家庄诚志永华显示材料有限公司 | Liquid crystal compound containing cyclopentyl and difluorometheneoxy linking group, preparation method and applications thereof |
| CN102994098A (en) * | 2012-05-03 | 2013-03-27 | 石家庄诚志永华显示材料有限公司 | TFT (Thin Film Transistor) liquid crystal composition and preparation method and application thereof |
| CN103254912A (en) * | 2013-05-30 | 2013-08-21 | 石家庄诚志永华显示材料有限公司 | Nematic phase liquid crystal composition |
| CN103254906A (en) * | 2013-05-10 | 2013-08-21 | 石家庄诚志永华显示材料有限公司 | Liquid crystal composition containing difluoro methoxyl ether compounds |
| CN103409146A (en) * | 2013-04-01 | 2013-11-27 | 石家庄诚志永华显示材料有限公司 | Liquid crystal composition for active matrix driven liquid crystal display |
-
2013
- 2013-06-09 CN CN201310232292.7A patent/CN103289708B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6696110B1 (en) * | 1999-04-06 | 2004-02-24 | Qinetiq Limited | Liquid crystalline alkenyl compounds incorporating an heterocyclic five-membered ring |
| EP1046693A1 (en) * | 1999-04-19 | 2000-10-25 | Chisso Corporation | Liquid crystal composition and liquid crystal display element |
| US20090314988A1 (en) * | 2008-06-24 | 2009-12-24 | Chisso Corporation | Liquid crystal composition and liquid crystal display device |
| CN101544894A (en) * | 2009-05-07 | 2009-09-30 | 石家庄永生华清液晶有限公司 | Liquid crystal composition |
| US20110309300A1 (en) * | 2010-06-18 | 2011-12-22 | Chisso Petrochemical Corporation | Compound having a five-membered ring, the liquid crystal composition and the liquid crystal display device |
| CN102585840A (en) * | 2011-12-23 | 2012-07-18 | 北京八亿时空液晶科技股份有限公司 | Liquid crystal composition containing cyclopentyl compounds |
| CN102618296A (en) * | 2012-02-17 | 2012-08-01 | 北京八亿时空液晶科技股份有限公司 | Liquid crystal compound and preparation method thereof |
| CN102924243A (en) * | 2012-03-27 | 2013-02-13 | 石家庄诚志永华显示材料有限公司 | Liquid crystal compound containing cyclopentyl and difluorometheneoxy linking group, preparation method and applications thereof |
| CN102994098A (en) * | 2012-05-03 | 2013-03-27 | 石家庄诚志永华显示材料有限公司 | TFT (Thin Film Transistor) liquid crystal composition and preparation method and application thereof |
| CN103409146A (en) * | 2013-04-01 | 2013-11-27 | 石家庄诚志永华显示材料有限公司 | Liquid crystal composition for active matrix driven liquid crystal display |
| CN103254906A (en) * | 2013-05-10 | 2013-08-21 | 石家庄诚志永华显示材料有限公司 | Liquid crystal composition containing difluoro methoxyl ether compounds |
| CN103254912A (en) * | 2013-05-30 | 2013-08-21 | 石家庄诚志永华显示材料有限公司 | Nematic phase liquid crystal composition |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN103351878A (en) * | 2013-07-09 | 2013-10-16 | 石家庄诚志永华显示材料有限公司 | Liquid crystal composition containing cyclopentyl and difluoromethoxy ether compound |
| CN103351871B (en) * | 2013-07-09 | 2015-09-09 | 石家庄诚志永华显示材料有限公司 | Be applicable to the liquid crystal media of TFT LCD |
| CN103351878B (en) * | 2013-07-09 | 2015-05-20 | 石家庄诚志永华显示材料有限公司 | Liquid crystal composition containing cyclopentyl and difluoromethoxy ether compound |
| CN103351879A (en) * | 2013-07-10 | 2013-10-16 | 石家庄诚志永华显示材料有限公司 | Positive dielectric anisotropic liquid crystal composition |
| CN103351879B (en) * | 2013-07-10 | 2015-04-08 | 石家庄诚志永华显示材料有限公司 | Positive dielectric anisotropic liquid crystal composition |
| US9637684B2 (en) | 2013-09-12 | 2017-05-02 | Dic Corporation | Composition and liquid crystal display element using same |
| WO2015037518A1 (en) * | 2013-09-12 | 2015-03-19 | Dic株式会社 | Composition and liquid crystal display element using same |
| WO2015037516A1 (en) * | 2013-09-12 | 2015-03-19 | Dic株式会社 | Composition and liquid crystal display element using same |
| CN105392867A (en) * | 2013-09-12 | 2016-03-09 | Dic株式会社 | Composition and liquid crystal display element using same |
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| CN103553872A (en) * | 2013-10-31 | 2014-02-05 | 北京八亿时空液晶科技股份有限公司 | Bicyclo[2,2,1]heptane-containing compounds and application thereof |
| CN103788039A (en) * | 2014-03-12 | 2014-05-14 | 石家庄诚志永华显示材料有限公司 | Liquid crystal compound containing tetrahydropyrane difluoro methoxy-linking group and preparation method and application thereof |
| CN103788039B (en) * | 2014-03-12 | 2016-09-07 | 石家庄诚志永华显示材料有限公司 | Liquid-crystal compounds containing oxinane difluoromethylenedioconnecting linking group and preparation method and application |
| CN104016830A (en) * | 2014-04-15 | 2014-09-03 | 石家庄诚志永华显示材料有限公司 | Cyclohexane liquid crystal compound and liquid crystal compound |
| CN104046366A (en) * | 2014-06-23 | 2014-09-17 | 北京八亿时空液晶科技股份有限公司 | Liquid crystal compound containing 2-oxo-bicyclo[2, 2, 1] heptane structure, preparation method and application thereof |
| CN104046366B (en) * | 2014-06-23 | 2015-11-25 | 北京八亿时空液晶科技股份有限公司 | A kind of liquid crystalline cpd containing 2-oxygen-bicyclic group [2,2,1] heptane structure, preparation method and application thereof |
| CN105295953A (en) * | 2015-11-09 | 2016-02-03 | 石家庄诚志永华显示材料有限公司 | Liquid crystalline compound containing 1,3-dioxane difluoro methylene oxygen group and preparation method and application thereof |
| CN105238415A (en) * | 2015-11-09 | 2016-01-13 | 石家庄诚志永华显示材料有限公司 | Liquid crystal compound containing tetrahydropyran difluoro methylene oxygen group and preparation method and application thereof |
| CN105295953B (en) * | 2015-11-09 | 2017-11-17 | 石家庄诚志永华显示材料有限公司 | Liquid-crystal compounds containing 1,3 dioxane difluoromethylenedioconnectings group and preparation method and application |
| CN105441088A (en) * | 2015-12-08 | 2016-03-30 | 石家庄诚志永华显示材料有限公司 | Liquid crystal composition and liquid crystal display element or liquid crystal display containing liquid crystal composition |
| CN114262615A (en) * | 2021-12-27 | 2022-04-01 | 苏州汉朗光电有限公司 | High-dielectric-constant liquid crystal composition and application thereof |
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