CN108192641A - A kind of liquid-crystal composition and its application - Google Patents
A kind of liquid-crystal composition and its application Download PDFInfo
- Publication number
- CN108192641A CN108192641A CN201810059238.XA CN201810059238A CN108192641A CN 108192641 A CN108192641 A CN 108192641A CN 201810059238 A CN201810059238 A CN 201810059238A CN 108192641 A CN108192641 A CN 108192641A
- Authority
- CN
- China
- Prior art keywords
- liquid
- crystal composition
- crystal
- general formula
- account
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- 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
- C09K19/44—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing compounds with benzene rings directly linked
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Liquid Crystal Substances (AREA)
Abstract
The present invention relates to a kind of liquid-crystal compositions.The liquid-crystal composition includes the component of following mass percent：Account for 5~40% one or more general formulas I 1 of the liquid-crystal composition gross mass and/or the liquid-crystal compounds shown in general formula I 2；Account for II compound represented of one or more general formulas of the 10~50% of the liquid-crystal composition gross mass；Account for the liquid-crystal compounds shown in 1~15% one or more general formula IIIs of the liquid-crystal composition gross mass；Account for the liquid-crystal compounds shown in 15~30% one or more general formulae IVs of the liquid-crystal composition gross mass；Account for the liquid-crystal compounds shown in 5~40% one or more general formulas V of the liquid-crystal composition gross mass；Wherein, the structure of general formula I 1, general formula I 2, general formula II, general formula III, general formulae IV and general formula V is as follows.Advantageous effect：The liquid-crystal composition has appropriate high clearing point, appropriate birefringence anisotropic, high dielectric anisotropic, low rotary viscosity, fast response speed.
Description
Technical field
The present invention relates to a kind of liquid-crystal composition, the invention further relates to a kind of liquid-crystal composition in field of liquid crystal
Application.
Background technology
In the prior art, plurality of liquid crystals compound has been synthesized, applied to field of liquid crystal, has improved liquid crystal display device
The best method of response speed is to reduce the viscosity of mixed liquid crystal.In order to improve the response speed of display device, need to drop as possible
The rotary viscosity of low liquid crystal material.But clearing point, the refractive index anisotropic of liquid crystal material of general low viscosity etc. is relatively low, because
For when allotment mixed liquid crystal is formulated, when reducing viscosity, how otherwise performance thorough simultaneously is a problem.
To sum up, it is necessary to a kind of liquid-crystal composition is proposed, to solve appropriate high clearing point needed for practical application, appropriate double
Reflect anisotropic, high dielectric anisotropic, low rotary viscosity, fast response speed performance the problem of.
Invention content
The present invention in view of the above shortcomings of the prior art, provides a kind of every with appropriate high clearing point, appropriate birefringence
Different in nature, high dielectric anisotropic, low rotary viscosity, fast response speed liquid-crystal composition.
The technical solution that the present invention solves above-mentioned technical problem is as follows：
A kind of liquid-crystal composition, the liquid-crystal composition include：
It accounts for shown in one or more general formulas I -1 of the 5~40% of the liquid-crystal composition gross mass and/or general formula I -2
Liquid-crystal compounds；
Account for II compound represented of one or more general formulas of the 10~50% of the liquid-crystal composition gross mass；
Account for the liquid-crystal compounds shown in 1~15% one or more general formula IIIs of the liquid-crystal composition gross mass；
Account for the liquid-crystal compounds shown in 15~30% one or more general formulae IVs of the liquid-crystal composition gross mass；
Account for the liquid-crystal compounds shown in 5~40% one or more general formulas V of the liquid-crystal composition gross mass；
Wherein, R1、R2、R3、R4、R5、R6、R7Alkyl that expression carbon atom number independently is 1-7, carbon atom number 1-
6 alkoxy or carbon atom number is the alkenyl of 2-6；
L1、L2、L3、L4、L5、L6Respectively independent expression H or F；
X0、X1、X2Halogenated alkyl that alkyl that respectively independent expression F, carbon atom number are 1-6, carbon atom number are 1-6, carbon
The halogenated alkoxy or carbon that haloalkene alkyl that alkylene that atomicity is 2-6, carbon atom number are 2-6, carbon atom number are 1-6 are former
Subnumber is one kind in the haloalkenyloxy of 2-6；
Respectively in independent expression following groups
It is one or more：
It is respectively one or more in independent expression following groups：
N, o, p, q respectively independent expression 0,1 or 2, wherein n+o≤3；When p represents 2,Can be identical, it can not
Together；When q represents 2,Can it is identical, can be different.
Further, the general formula I -1, I -2 structure are selected from following compound：
Further, the structure of the general formula II is selected from following compound：
Further, the structure of the general formula III is selected from following compound：
Further, the structure of the general formulae IV is selected from following compound：
Further, the structure of the general formula V is selected from following compound：
Further, the liquid-crystal composition includes：
Accounting for the one or more of the 10~45% of the liquid-crystal composition gross mass has I -2 institute of general formula I -1 and/or general formula
The liquid-crystal compounds shown；
Account for one or more LCD compounds with shown in general formula II of the 15~50% of the liquid-crystal composition gross mass
Object；
Account for one or more liquid-crystal compounds with general formula III of the 1~12% of the liquid-crystal composition gross mass；
Account for one or more liquid-crystal compounds with general formulae IV of the 10~25% of the liquid-crystal composition gross mass；
Account for one or more liquid-crystal compounds with general formula V of the 10~30% of the liquid-crystal composition gross mass.
The present invention also provides a kind of electrooptics liquid crystal display, including the liquid-crystal composition described in any one of above-mentioned.
The present invention also provides a kind of liquid-crystal composition as described in any one of above-mentioned field of liquid crystal display application.
One aspect of the present invention is reasonably introduced multiple by the change to monomer structure in the structure of single crystal compound
Functional groups play the effect for taking into account multiple performance；On the other hand by the optimum organization to various liquid-crystal compositions and excellent
Ratio is matched, by test, has reached appropriate high clearing point, appropriate birefringence anisotropic, high dielectric anisotropic, low rotation
The effect of viscosity, fast response speed.
Specific embodiment
Illustrate the present invention below with reference to specific embodiment.It should be noted that the following examples are the present invention
Example, be only used for illustrating the present invention, and be not limited to the present invention.In the case of without departing from present subject matter or range,
It can carry out other combinations and the various improvement in present inventive concept.
Two or more liquid-crystal compounds using conventional method are mixed and produced by the liquid-crystal composition of the present invention, are such as existed
It is prepared by the method that different component is mixed under high temperature and is soluble in one another, wherein, liquid-crystal composition is dissolved in for the compound
It in solvent and mixes, then distills out the solvent under reduced pressure；Or the liquid-crystal composition of the present invention can be conventionally
It prepares, such as the smaller component of wherein content is dissolved in the larger key component of content or at a higher temperature by each institute
Belong to component to dissolve in organic solvent, such as acetone, chloroform or methanol, be obtained after removing solvent after then solution is mixed.
Percentage in the present invention is weight percentage, and temperature is degree Celsius (DEG C).Such as illustrate without other, other symbols
Specific meaning and test condition are as follows：
Cp (DEG C) represents the clearing point of liquid crystal.
S-N represents the crystalline state of liquid crystal to nematic fusing point (DEG C).
△ n are optical anisotropy, and no is the refractive index of ordinary light, and ne is the refractive index of extraordinary ray, and test condition is,
589nm wavelength, 25 DEG C.Measuring instrument：Abbe refractometer.
△ ε be dielectric anisotropy, △ ε=ε ∥-ε ⊥, wherein, ε ∥ are the dielectric constant for being parallel to molecular axis, and ε ⊥ are
Perpendicular to the dielectric constant of molecular axis, test condition is 25 DEG C；Measuring instrument：INSTEC:ALCT-IR1；20 microns of parallel boxes,
It is not added with chiral agent.
γ1：Rotary viscosity (mPas), test condition are 25 ± 0.2 DEG C.Measuring instrument：INSTEC:ALCT-IR1；20
The parallel box of micron, is not added with chiral agent.
Liquid-crystal composition in the embodiment of the present invention using the heat of solution generally used in the industry or shakes mixed method, first
Liquid-crystal compounds is weighed by weight percentage with balance, wherein addition sequence is weighed without particular requirement, usually with liquid-crystal compounds
The sequence of fusing point from high to low weighs mixing successively, is shaken in heating stirring or earthquake machine so that each component under 60 DEG C of constant temperature
It melts uniformly, then filters, finally encapsulated up to target sample through absorption, micro-filtration membrane microfiltration.
Used each ingredient below in an example can be synthesized or passed through by well known method
Commercial sources obtain.These synthetic technologys are conventional, and acquired each liquid-crystal compounds meets electrical type compound mark after tested
It is accurate.
Embodiment 1
The formula of liquid-crystal composition is as follows：
Embodiment 2
The formula of liquid-crystal composition is as follows：
Embodiment 3
The formula of liquid-crystal composition is as follows：
Embodiment 4
The formula of liquid-crystal composition is as follows：
Embodiment 5
The formula of liquid-crystal composition is as follows：
Embodiment 6
The formula of liquid-crystal composition is as follows：
Embodiment 7
The formula of liquid-crystal composition is as follows：
Embodiment 8
The formula of liquid-crystal composition is as follows：
Embodiment 9
The formula of liquid-crystal composition is as follows：
Embodiment 10
The formula of liquid-crystal composition is as follows：
It can show one aspect of the present invention is existed by the change to monomer structure by above-described embodiment 1- embodiments 10
Multiple functional groups are reasonably introduced in the structure of single crystal compound, play the effect for taking into account multiple performance；On the other hand it is logical
The optimum organization to various liquid-crystal compositions and optimum ratio are crossed, by test, has been reached with appropriate high clearing point, appropriate double
Reflect the effect of anisotropic, high dielectric anisotropic, low rotary viscosity, fast response speed.
The present invention can be summarized with others without prejudice to the concrete form of the spirit or essential characteristics of the present invention.Therefore, nothing
By from the point of view of which point, the embodiment above of the invention can only all be considered the description of the invention and cannot limit this hair
Bright, claims indicate the scope of the present invention, and above-mentioned explanation does not point out the scope of the present invention, therefore, with this
Any change in the comparable meaning and scope of claims of invention is all considered as the claim for being included in the present invention
In the range of book.
Claims (9)
1. a kind of liquid-crystal composition, which is characterized in that the liquid-crystal composition includes：
Account for one or more general formulas I -1 of the 5~40% of the liquid-crystal composition gross mass and/or the liquid crystal shown in general formula I -2
Compound；
Account for II compound represented of one or more general formulas of the 10~50% of the liquid-crystal composition gross mass；
Account for the liquid-crystal compounds shown in 1~15% one or more general formula IIIs of the liquid-crystal composition gross mass；
Account for the liquid-crystal compounds shown in 15~30% one or more general formulae IVs of the liquid-crystal composition gross mass；
Account for the liquid-crystal compounds shown in 5~40% one or more general formulas V of the liquid-crystal composition gross mass；
Wherein, R1、R2、R3、R4、R5、R6、R7The alkane that alkyl that expression carbon atom number independently is 1-7, carbon atom number are 1-6
Oxygroup or the alkenyl that carbon atom number is 2-6；
L1、L2、L3、L4、L5、L6Respectively independent expression H or F；
X0、X1、X2Halogenated alkyl that alkyl that respectively independent expression F, carbon atom number are 1-6, carbon atom number are 1-6, carbon atom
The halogenated alkoxy or carbon atom number that haloalkene alkyl that alkylene that number is 2-6, carbon atom number are 2-6, carbon atom number are 1-6
For one kind in the haloalkenyloxy of 2-6；
Respectively one in independent expression following groups
Kind is a variety of：
It is respectively one or more in independent expression following groups：
N, o, p, q respectively independent expression 0,1 or 2, wherein n+o≤3；When p represents 2,Can be identical, it can be different；Work as q
When representing 2,Can it is identical, can be different.
2. liquid-crystal composition according to claim 1, which is characterized in that the general formula I -1, I -2 structure is selected from as follows
Compound：
3. liquid-crystal composition according to claim 1, which is characterized in that the structure of the general formula II is selected from following chemical combination
Object：
4. liquid-crystal composition according to claim 1, which is characterized in that the structure of the general formula III is selected from following chemical combination
Object：
5. liquid-crystal composition according to claim 1, which is characterized in that the structure of the general formulae IV is selected from following chemical combination
Object：
6. liquid-crystal composition according to claim 1, which is characterized in that the structure of the general formula V is selected from following chemical combination
Object：
7. according to claim 1-6 any one of them liquid-crystal compositions, which is characterized in that the liquid-crystal composition includes：
Accounting for the one or more of the 10~45% of the liquid-crystal composition gross mass has shown in general formula I -1 and/or general formula I -2
Liquid-crystal compounds；
Account for one or more liquid-crystal compounds with shown in general formula II of the 15~50% of the liquid-crystal composition gross mass；
Account for one or more liquid-crystal compounds with general formula III of the 1~12% of the liquid-crystal composition gross mass；
Account for one or more liquid-crystal compounds with general formulae IV of the 10~25% of the liquid-crystal composition gross mass；
Account for one or more liquid-crystal compounds with general formula V of the 10~30% of the liquid-crystal composition gross mass.
8. a kind of electrooptics liquid crystal display, which is characterized in that including liquid-crystal composition as claimed in claim 7.
9. a kind of liquid-crystal composition as claimed in claim 7 is in the application of field of liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810059238.XA CN108192641A (en) | 2018-01-22 | 2018-01-22 | A kind of liquid-crystal composition and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810059238.XA CN108192641A (en) | 2018-01-22 | 2018-01-22 | A kind of liquid-crystal composition and its application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108192641A true CN108192641A (en) | 2018-06-22 |
Family
ID=62590184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810059238.XA Pending CN108192641A (en) | 2018-01-22 | 2018-01-22 | A kind of liquid-crystal composition and its application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108192641A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109825310A (en) * | 2019-03-08 | 2019-05-31 | 江苏锦润光电有限公司 | A kind of liquid crystal media of quick response |
| CN112300812A (en) * | 2019-08-01 | 2021-02-02 | 江苏和成显示科技有限公司 | Liquid crystal composition and liquid crystal display device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1823151A (en) * | 2003-07-11 | 2006-08-23 | 默克专利股份有限公司 | Liquid-crystal medium containing monofluoroterphenyl compounds |
| US20060204677A1 (en) * | 2005-02-25 | 2006-09-14 | Michael Wittek | Liquid-crystalline medium |
| CN1869792A (en) * | 2005-05-25 | 2006-11-29 | 默克专利股份有限公司 | Liquid crystalline medium and liquid crystal display |
| US20080099726A1 (en) * | 2006-10-31 | 2008-05-01 | Chisso Corporation And Chisso Petrochemical Corporation | Liquid crystal composition and liquid crystal display device |
| US20100314582A1 (en) * | 2008-02-15 | 2010-12-16 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Liquid-crystalline medium and liquid-crystal display |
| DE102010025572A1 (en) * | 2010-06-30 | 2012-01-05 | Merck Patent Gmbh | Liquid crystal medium, useful as a component in high frequency technology, preferably microwave array antennas and phase shifters, comprises a combination of cycloaryl compounds and optionally further compounds |
| EP2456841B1 (en) * | 2009-07-21 | 2015-03-04 | Merck Patent GmbH | Liquid crystal medium and high-frequency components containing the same |
| CN106566563A (en) * | 2016-10-26 | 2017-04-19 | 烟台显华化工科技有限公司 | Liquid crystal composition |
| CN106661451A (en) * | 2014-07-18 | 2017-05-10 | 默克专利股份有限公司 | Liquid-crystalline medium and high-frequency components comprising same |
| CN107090299A (en) * | 2017-05-31 | 2017-08-25 | 烟台显华化工科技有限公司 | A kind of liquid-crystal composition of substituted compound of polyfluoro containing methyl substituents and its application |
| CN107109235A (en) * | 2014-12-19 | 2017-08-29 | 默克专利股份有限公司 | Liquid crystal media and the high frequency assembly comprising it |
| CN107129811A (en) * | 2017-05-31 | 2017-09-05 | 烟台显华化工科技有限公司 | A kind of liquid-crystal composition of compound containing methyl substituents and its application |
-
2018
- 2018-01-22 CN CN201810059238.XA patent/CN108192641A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1823151A (en) * | 2003-07-11 | 2006-08-23 | 默克专利股份有限公司 | Liquid-crystal medium containing monofluoroterphenyl compounds |
| US20060204677A1 (en) * | 2005-02-25 | 2006-09-14 | Michael Wittek | Liquid-crystalline medium |
| CN1869792A (en) * | 2005-05-25 | 2006-11-29 | 默克专利股份有限公司 | Liquid crystalline medium and liquid crystal display |
| US20080099726A1 (en) * | 2006-10-31 | 2008-05-01 | Chisso Corporation And Chisso Petrochemical Corporation | Liquid crystal composition and liquid crystal display device |
| US20100314582A1 (en) * | 2008-02-15 | 2010-12-16 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Liquid-crystalline medium and liquid-crystal display |
| EP2456841B1 (en) * | 2009-07-21 | 2015-03-04 | Merck Patent GmbH | Liquid crystal medium and high-frequency components containing the same |
| DE102010025572A1 (en) * | 2010-06-30 | 2012-01-05 | Merck Patent Gmbh | Liquid crystal medium, useful as a component in high frequency technology, preferably microwave array antennas and phase shifters, comprises a combination of cycloaryl compounds and optionally further compounds |
| CN106661451A (en) * | 2014-07-18 | 2017-05-10 | 默克专利股份有限公司 | Liquid-crystalline medium and high-frequency components comprising same |
| CN107109235A (en) * | 2014-12-19 | 2017-08-29 | 默克专利股份有限公司 | Liquid crystal media and the high frequency assembly comprising it |
| CN106566563A (en) * | 2016-10-26 | 2017-04-19 | 烟台显华化工科技有限公司 | Liquid crystal composition |
| CN107090299A (en) * | 2017-05-31 | 2017-08-25 | 烟台显华化工科技有限公司 | A kind of liquid-crystal composition of substituted compound of polyfluoro containing methyl substituents and its application |
| CN107129811A (en) * | 2017-05-31 | 2017-09-05 | 烟台显华化工科技有限公司 | A kind of liquid-crystal composition of compound containing methyl substituents and its application |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109825310A (en) * | 2019-03-08 | 2019-05-31 | 江苏锦润光电有限公司 | A kind of liquid crystal media of quick response |
| CN112300812A (en) * | 2019-08-01 | 2021-02-02 | 江苏和成显示科技有限公司 | Liquid crystal composition and liquid crystal display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104837957B (en) | Nematic liquid-crystal composition and use its liquid crystal display cells | |
| TWI650406B (en) | Liquid crystal composition, liquid crystal display element or liquid crystal display | |
| CN103254912B (en) | Nematic phase liquid crystal composition | |
| CN108315019A (en) | A kind of negative dielectric anisotropy liquid crystal composition and its application | |
| CN107129811B (en) | Liquid crystal composition containing methyl substituent compound and application thereof | |
| CN104513666A (en) | Liquid crystal medium and application | |
| CN107090299B (en) | liquid crystal composition containing methyl substituent multi-fluorine substituted compound and application thereof | |
| CN104263383A (en) | Liquid crystal medium and application | |
| CN108690641A (en) | Liquid crystal composition containing bis-trifluoromethyl compound and negative dielectric anisotropy and application thereof | |
| CN103254906A (en) | Liquid crystal composition containing difluoro methoxyl ether compounds | |
| CN108865175A (en) | A kind of liquid-crystal composition containing two furans of dibenzo and its application | |
| CN104428396A (en) | Nematic liquid crystal composition and liquid crystal display device using same | |
| CN109880637A (en) | Liquid-crystal composition, liquid crystal display element, liquid crystal display | |
| CN107142115A (en) | Negative dielectric anisotropy liquid crystal medium and its application containing cyclopropyl | |
| CN109837097A (en) | Liquid-crystal composition, liquid crystal display element, liquid crystal display | |
| CN108192641A (en) | A kind of liquid-crystal composition and its application | |
| CN108148602A (en) | A kind of liquid-crystal composition and its application | |
| CN108300489B (en) | A kind of liquid-crystal composition and its application | |
| CN107955631B (en) | A kind of liquid-crystal composition and its application | |
| CN107663458A (en) | Liquid-crystal composition and its display device | |
| TWI668298B (en) | Liquid crystal composition and application | |
| CN108048113A (en) | A kind of liquid-crystal composition and its application | |
| CN108690639A (en) | A kind of liquid-crystal composition and its application | |
| CN113773854B (en) | Liquid crystal composition with positive dielectric constant and application thereof | |
| CN107177359A (en) | A kind of negative dielectric anisotropy liquid crystal composition containing cyclobutenyl bridged bond and its application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180622 |
|
| RJ01 | Rejection of invention patent application after publication |