CN109423304A - A kind of negative dielectric nematic phase liquid crystal composition and its application - Google Patents
A kind of negative dielectric nematic phase liquid crystal composition and its application Download PDFInfo
- Publication number
- CN109423304A CN109423304A CN201710771968.8A CN201710771968A CN109423304A CN 109423304 A CN109423304 A CN 109423304A CN 201710771968 A CN201710771968 A CN 201710771968A CN 109423304 A CN109423304 A CN 109423304A
- Authority
- CN
- China
- Prior art keywords
- general formula
- compound representated
- liquid
- crystal composition
- compound
- 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
-
- 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
- C09K19/46—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing esters
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal Substances (AREA)
Abstract
The present invention relates to a kind of negative dielectric nematic phase liquid crystal compositions, include compound representated by compound representated by compound representated by least one general formula I, at least one general formula II and at least one general formula III；Wherein, compound representated by general formula I is the compound that tricyclic contains 2,3- difluorobenzene, has biggish negative dielectric anisotropic and high clearing point；Compound representated by general formula II is that two rings contain methoxyl group bridged bond and 2, the liquid-crystal compounds of 3- difluorobenzene structure, with big negative dielectric anisotropic and excellent intersolubility, compound representated by general formula III is two ring neutral monomers, with low-down rotary viscosity and excellent intersolubility, it can effectively reduce the rotary viscosity of liquid-crystal composition, promote the response time.Liquid-crystal composition provided by the present invention has low rotary viscosity, high voltage retention, good low temperature intersolubility and fast response time, has excellent application prospect.
Description
Technical field
The present invention relates to a kind of liquid crystal media, specifically a kind of nematic phase liquid crystal composition is exactly of the invention
Provided liquid-crystal composition has negative dielectric anisotropy, belongs to liquid crystal material and its application field.
Background technique
Negative liquid crystal is most proposed earlier than the end of the eighties in last century, is mainly used for VA mode, and VA display pattern has very
Excellent contrast performance, but there are apparent viewing angle problem and response time problem, in order to solve viewing angle problem, MVA,
The display technologies such as PVA, CPA propose that the essence of these technologies is to solve viewing angle problem using multidomain, and achieves good
Effect.But appointed due to difficulty increased in technique and response time problem and so annoying display industry, until PSVA (polymerization
Object stablize vertical orientation) technology propose, the technology realized using polymer multidomain and pre-tilt angle control with realize fast-response and
The liquid crystal display of wide viewing angle.As response time requirement of the people to liquid crystal display is higher and higher, change pattern is leaned on merely
Realize that fast-response has been unable to meet requirement, the response time for then how reducing liquid crystal becomes the difficult point that PSVA is shown, tool
It says to body, the response time of liquid crystal display depends on the rotary viscosity and elastic constant of liquid-crystal composition.Rotary viscosity is lower,
Response time is faster, and elastic constant is bigger, and the response time is faster.
Summary of the invention
The object of the present invention is to provide a kind of negative dielectric nematic phase liquid crystal composition, the composition is viscous with low rotation
Degree, can be effectively reduced the response time of liquid crystal display.
Specifically, liquid-crystal composition provided by the invention includes compound, at least one representated by least one general formula I
Compound representated by compound representated by kind general formula II and at least one general formula III.
Compound representated by general formula I provided by the invention is the compound that tricyclic contains 2,3- difluorobenzene, such chemical combination
Object has biggish negative dielectric anisotropic and high clearing point.Specific structure are as follows:
In the general formula I, R1、R2It is independently represented each other C1~C12Straight chained alkyl, unbranched alkoxy or C2~C12It is straight
Alkenyl；A1Represent trans- Isosorbide-5-Nitrae-cyclohexyl or Isosorbide-5-Nitrae-phenylene.
Preferably, compound representated by general formula I is selected from one of Formulas I A and Formulas I B or a variety of:
In described general formula IA, IB, R1、R2It is independently represented each other C1~C7Straight chained alkyl, unbranched alkoxy or C2~C7
Straight-chain alkenyl.
It is highly preferred that compound representated by general formula I is selected from one of Formulas I A1~IA24, Formulas I B1~IB24 or more
Kind:
It is further preferred that compound representated by general formula I be selected from Formulas I A1, IA2, IA9, IA10, IA11, IA13,
One of IA14, IA15, IA16, IA18, IB1, IB2, IB13, IB14, IB18, IB22 or a variety of.
It is further preferred that compound representated by general formula I be selected from Formulas I A10, IA13, IA14, IA15, IA16,
One of IA18, IB13, IB14, IB22 or a variety of.
It is particularly preferred that compound representated by general formula I is in Formulas I A10, IA14, IA15, IA18, IB13, IB14
It is one or more.
Compound representated by general formula II provided by the present invention is that two rings contain methoxyl group bridged bond and 2,3- difluorobenzene knot
The liquid-crystal compounds of structure, such compound have big negative dielectric anisotropic and excellent intersolubility.Specific structure are as follows:
In the general formula II, R3、R4It is independently represented each other C1~C12Straight chained alkyl, unbranched alkoxy or C2~C12's
Straight-chain alkenyl；N=0 or 1.
Preferably, compound representated by general formula II is selected from one of Formula II A and IIB or a variety of:
In described general formula IIA, IIB, R3、R4It is independently represented each other C1~C7Straight chained alkyl, unbranched alkoxy or C2~
C7Straight-chain alkenyl；Preferably, R3It is independently represented each other C2~C5Straight chained alkyl, R4It is independently represented each other C1~C4It is straight
Chain alkoxy.
It is highly preferred that compound representated by general formula II is selected from one of Formula II A1~IIA16, Formula II B1~IIB16
Or it is a variety of:
It is further preferred that compound representated by general formula II be selected from Formula II A2, IIA6, IIA8, IIA14, IIB5,
One of IIB6, IIB8 or a variety of.
It is further preferred that compound representated by general formula II is selected from one of Formula II A2, IIA6, IIB5, IIB6
Or it is a variety of.
Compound representated by general formula III provided by the invention is two ring neutral monomers, such compound has very low
Rotary viscosity and excellent intersolubility, can effectively reduce the rotary viscosity of liquid-crystal composition, promote the response time.Specific structure
Are as follows:
In the general formula III, R5、R6It is independently represented each other C1~C12Straight chained alkyl, unbranched alkoxy；A2、A3Respectively
Independently represent trans- Isosorbide-5-Nitrae-cyclohexyl or Isosorbide-5-Nitrae-phenylene.
Preferably, compound representated by general formula III is selected from one of formula III A~formula III C or a variety of:
In the formula III A~formula III C, R5Represent C1~C8Straight chained alkyl；R6Represent C1~C7Straight chained alkyl or straight
Chain alkoxy.
It is highly preferred that compound representated by general formula III is selected from formula III A1~IIIA22, IIIB1~IIIB24, IIIC1
One of~IIIC28 or a variety of:
It is further preferred that compound representated by general formula III be selected from formula III A4, IIIA6, IIIA10, IIIA11,
One of IIIB14, IIIB18, IIIB22, IIIC2, IIIC4, IIIC6, IIIC22, IIIC24, IIIC26, IIIC28 or
It is a variety of.
It is further preferred that compound representated by general formula III be selected from formula III A6, IIIA10, IIIA11, IIIB18,
One of IIIB22, IIIC2, IIIC4, IIIC6, IIIC22, IIIC26 or a variety of.
It is particularly preferred that compound representated by general formula III be selected from formula III A6, IIIA10, IIIA11, IIIB18,
One of IIIB22, IIIC6, IIIC22, IIIC26 or a variety of.
As a preferred solution of the present invention, at least contain one in compound representated by liquid-crystal composition general formula III
Kind is selected from the compound of IIIC6, IIIC22, IIIC26；Particularly preferably contain compound IIIC6.
Liquid-crystal composition provided by the present invention can also further include one or more changes selected from general formula IV structure
Close object.Compound representated by general formula IV has high clearing point and big elastic constant, can promote the limpid of liquid-crystal composition
Point and elastic constant.Specific structure are as follows:
In the general formula IV, R7、R8It is independently represented each other C1~C12Straight chained alkyl；A4Represent trans- Isosorbide-5-Nitrae-cyclohexyl
Or Isosorbide-5-Nitrae-phenylene.
Preferably, compound representated by general formula IV is selected from one of formula IV A and formula IV B or a variety of:
In described IVA, IVB, R7、R8It is independently represented each other C1~C7Straight chained alkyl.
It is highly preferred that compound representated by general formula IV is selected from one of formula IV A1~IVA12, IVB1~IVB12 or more
Kind:
It is further preferred that compound representated by general formula IV is selected from formula IV A2, IVA6, IVA10, IVB2, IVB6, IVB8
One of or it is a variety of.
It is further preferred that compound representated by general formula IV is selected from one of formula IV A2, IVA6, IVB2, IVB6
Or it is a variety of.
It is particularly preferred that compound representated by general formula IV is selected from one or both of formula IV B2, IVB6.
In order to play the synergistic effect between each component, the present invention carries out the dosage of each component in composition preferred.Tool
For body, liquid-crystal composition provided by the present invention is included the following components'mass percentage:
Compound representated by (1) 10~55% general formula I；
Compound representated by (2) 3~30% general formula II；
Compound representated by (3) 20~65% general formula IIIs；
Compound representated by (4) 0~20% general formula IV.
Preferably, the liquid-crystal composition includes following components:
Compound representated by (1) 20~45% general formula I；
Compound representated by (2) 5~20% general formula II；
Compound representated by (3) 30~55% general formula IIIs；
Compound representated by (4) 0~15% general formula IV.
It is highly preferred that the liquid-crystal composition includes following components:
Compound representated by (1) 29~41% general formula I；
Compound representated by (2) 8~16% general formula II；
Compound representated by (3) 40~51% general formula IIIs；
Compound representated by (4) 0~11% general formula IV.
Preferably, the liquid-crystal composition includes following components:
Compound representated by (1) 25~34% general formula I；
Compound representated by (2) 5~20% general formula II；
Compound representated by (3) 35~55% general formula IIIs；
Compound representated by (4) 0~15% general formula IV.
It is highly preferred that the liquid-crystal composition includes following components:
Compound representated by (1) 29~34% general formula I；
Compound representated by (2) 8~16% general formula II；
Compound representated by (3) 40~51% general formula IIIs；
Compound representated by (4) 0~11% general formula IV.
Preferably, the liquid-crystal composition includes following components:
Compound representated by (1) 34~45% general formula I；
Compound representated by (2) 5~20% general formula II；
Compound representated by (3) 35~55% general formula IIIs；
Compound representated by (4) 0~15% general formula IV.
It is highly preferred that the liquid-crystal composition includes following components:
Compound representated by (1) 34~41% general formula I；
Compound representated by (2) 8~16% general formula II；
Compound representated by (3) 40~51% general formula IIIs；
Compound representated by (4) 0~10% general formula IV.
Preferably, the liquid-crystal composition includes following components:
Compound representated by (1) 20~40% general formula I；
Compound representated by (2) 5~20% general formula II；
Compound representated by (3) 35~55% general formula IIIs；
Compound representated by (4) 1~15% general formula IV.
It is highly preferred that the liquid-crystal composition includes following components:
Compound representated by (1) 29~36% general formula I；
Compound representated by (2) 8~16% general formula II；
Compound representated by (3) 40~51% general formula IIIs；
Compound representated by (4) 4~11% general formula IV.
Preferably, the liquid-crystal composition includes following components:
Compound representated by (1) 30~45% general formula I；
Compound representated by (2) 8~20% general formula II；
Compound representated by (3) 40~55% general formula IIIs.
It is highly preferred that the liquid-crystal composition includes following components:
Compound representated by (1) 34~41% general formula I；
Compound representated by (2) 12~16% general formula II；
Compound representated by (3) 44~50% general formula IIIs.
As a preferred solution of the present invention, the compound that above-mentioned general formula I is represented is selected from the chemical combination that general formula IA, general formula IB are represented
At least one of object.Wherein, the compounds content that the preferably described general formula IB is represented is the 16 of the liquid-crystal composition total weight
~28%, 16~25% or 22~28%, the compounds content that the preferably described general formula IA is represented is the liquid-crystal composition gross weight
7~19%, 7~18% or the 12~19% of amount.
The scheme further preferred as the present invention, the compound that the compound that above-mentioned general formula I is represented is represented by general formula IA
The compound composition represented with general formula IB.Wherein, the compounds content that the preferably described general formula IB is represented is the liquid-crystal composition
Total weight 16~28%, the compounds content that represents of the general formula IA be the 7~19% of the liquid-crystal composition total weight.When
When compound in liquid-crystal composition containing Formula IVIV, the compounds content that the preferably described general formula IB is represented is the liquid crystal
Composition total weight 16~25%, the compounds content that represents of the general formula IA as the liquid-crystal composition total weight 7~
18%；When being free of the compound of Formula IVIV in liquid-crystal composition, compounds content that the preferably described general formula IB is represented as
The liquid-crystal composition total weight 22~28%, the compounds content that represents of the general formula IA be the liquid-crystal composition gross weight
The 12~19% of amount.
Specifically:
Preferably, liquid-crystal composition provided by the present invention is made of following compound:
Compound representated by (1) 4~25% general formula IA；
Compound representated by (2) 10~35% general formula IB；
Compound representated by (3) 5~20% general formula II；
Compound representated by (4) 35~55% general formula IIIs；
Compound representated by (5) 0~15% general formula IV.
It is highly preferred that liquid-crystal composition provided by the present invention is made of following compound:
Compound representated by (1) 7~19% general formula IA；
Compound representated by (2) 16~28% general formula IB；
Compound representated by (3) 8~16% general formula II；
Compound representated by (4) 40~51% general formula IIIs；
Compound representated by (5) 0~11% general formula IV.
Preferably, liquid-crystal composition provided by the present invention is made of following compound:
Compound representated by (1) 4~24% general formula IA；
Compound representated by (2) 10~30% general formula IB；
Compound representated by (3) 5~20% general formula II；
Compound representated by (4) 35~55% general formula IIIs；
Compound representated by (5) 1~15% general formula IV.
It is highly preferred that liquid-crystal composition provided by the present invention is made of following compound:
Compound representated by (1) 7~18% general formula IA；
Compound representated by (2) 16~25% general formula IB；
Compound representated by (3) 8~16% general formula II；
Compound representated by (4) 40~51% general formula IIIs；
Compound representated by (5) 4~11% general formula IV.
Preferably, liquid-crystal composition provided by the present invention is made of following compound:
Compound representated by (1) 8~23% general formula IA；
Compound representated by (2) 18~34% general formula IB；
Compound representated by (3) 8~20% general formula II；
Compound representated by (4) 40~55% general formula IIIs.
It is highly preferred that liquid-crystal composition provided by the present invention is made of following compound:
Compound representated by (1) 12~19% general formula IA；
Compound representated by (2) 22~28% general formula IB；
Compound representated by (3) 12~16% general formula II；
Compound representated by (4) 44~50% general formula IIIs.
The preparation method of liquid-crystal composition of the present invention can be used conventional method and change two or more without specifically limited
It closes object mixing to be produced, such as the method preparation by mixing different component at high temperature and being soluble in one another, wherein by liquid crystal group
It closes object to dissolve in solvent in the solvent used for the compound and mix, then distills out the solvent under reduced pressure；Or it is of the present invention
Liquid-crystal composition can be prepared conventionally, such as wherein the lesser component of content will be dissolved in content at a higher temperature
In biggish main component, or each affiliated component dissolved in organic solvent, such as acetone, chloroform or methanol, it then will be molten
It is obtained after liquid mixing removal solvent.
Liquid-crystal composition provided by the present invention can also further include to be gathered representated by one or more general formula V
Polymerisable compounds.Compound representated by general formula V polymerize under the irradiation of UV light, forms polymer stabilizing structure, promotes liquid crystal molecule
Stable alignment forms multidomain and shows, improves visual angle and the response time of liquid crystal display.Specific structure are as follows:
In the general formula V, R9、R10It is independently represented each other acrylate, methacrylate；L1、L2Generation each independently
Table F, methyl, methoxyl group, ethyoxyl.
Preferably, compound representated by general formula V is selected from one of VA~VH or a variety of:
In the VA~VH, R9、R10It is independently represented each other acrylate, methacrylate.
It is highly preferred that compound representated by general formula V of the present invention is selected from one of following VA1~VH2 or more
Kind:
It is further preferred that polymerizable compound representated by general formula V provided by the invention be selected from VA2, VB2, VC2,
One of VD2, VE2, VF2, VG2, VH2 or a variety of are still more preferably one of VA2, VB2, VG2, VH2 or more
Kind, most preferably one or both of VG2 and VH2.
The dosage of the polymerizable compound of general formula V provided by the present invention is preferably other LCD compounds in liquid-crystal composition
The 0.1~5% of object total weight, more preferable dosage are 0.2~0.5% of other liquid-crystal compounds total weights in liquid-crystal composition.
The preparation method of liquid-crystal composition provided by the present invention containing polymerizable compound is will to contain polymerizableization
The liquid-crystal composition for closing object pours into liquid crystal display, then by the irradiation polymerization of UV light, and voltage is continuously applied in irradiation process.
Polymerizable compound in liquid-crystal composition polymerize under the irradiation of UV light, promotes Formation of liquid crystals stable alignment.
Liquid-crystal composition provided by the present invention comprising polymerizable compound is preferred for PSVA liquid crystal display.
Liquid-crystal composition provided by the present invention has low rotary viscosity, high voltage retention (VHR), good low
Warm intersolubility and fast response time are suitable for VA class liquid crystal display device and IPS, FFS moulds such as VA/MVA/PVA/PSVA
It is aobvious to be particularly suitable for PSVA mode liquid crystal especially suitable for MVA/PVA/PSVA mode LCD for formula liquid crystal display device
Show device.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Unless otherwise indicated, percentage is weight percentage in the present invention；Temperature unit is degree Celsius；△ n represents optics
Anisotropy (25 DEG C)；△ ε represents dielectric anisotropy (25 DEG C, 1000Hz)；V10Threshold voltage is represented, is in relative permeability
Character voltage (V, 25 DEG C) when changing 10%；γ 1 represents rotary viscosity (mPa.s, 25 DEG C)；Cp represents the clear of liquid-crystal composition
Bright spot (DEG C)；K11、K22、K33Respectively represent splay, distortion and bend elastic constant (pN, 25 DEG C).
In following embodiment, unit structure code shown in table 1 is indicated in liquid-crystal compounds.
Table 1: the group structure code of liquid-crystal compounds
By taking following compound structure as an example:
It indicates are as follows: 3PWO2F
It indicates are as follows: 3PGIWO2
In following embodiment, the preparation of liquid-crystal composition is all made of heat of solution method, comprising the following steps: is pressed with balance
Weight percent weighs liquid-crystal compounds, wherein weighing addition sequence without particular requirement, usually with liquid-crystal compounds fusing point by height
Mixing is successively weighed to low sequence, heating stirring melts each component uniformly at 60~100 DEG C, using filter, rotate,
It finally encapsulates up to target sample.
In following embodiment, the performance parameter of the weight percent of each component when liquid-crystal composition is shown in liquid-crystal composition
Following table.
Embodiment 1
Table 2: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 2
Table 3: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 3
Table 4: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 4
Table 5: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 5
Table 6: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 6
Table 7: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 7
Table 8: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 8
Table 9: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 9
Table 10: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 10
Table 11: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 11
Table 12: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 12
Table 13: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 13
Table 14: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 14
Table 15: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 15
Table 16: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 16
Table 17: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 17
Table 18: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 18
Table 19: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 19
Table 20: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 20
Table 21: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 21
Table 22: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 22
Table 23: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 23
Table 24: the weight percent of each component when performance parameter in liquid-crystal composition
Embodiment 24
Nematic phase liquid crystal composition provided by selection example 1, according to shown in table 25 addition polymerisable monomer VA2,
VB2、VG2、VH2。
Table 25:PSVA liquid-crystal composition composition
| Nematic liquid crystal | VA2 | VB2 | VG2 | VH2 | |
| PA1 | 100 | 0.3 | |||
| PB1 | 0.29 | ||||
| PG1 | 0.3 | ||||
| PH1 | 0.28 |
PSVA mixture PA1, PB1, PG1, the PH1 completed will be prepared to be filled in standard VA testing cassete, with UV (85mw/
cm2) irradiated under the voltage for applying 20V two minutes, pre-tilt angle, threshold voltage and response time are tested respectively.Test result is shown in
Table 26:
Table 26: pre-tilt angle and optic test result
Embodiment 25
Nematic phase liquid crystal composition provided by selection example 2, according to shown in table 27 addition polymerisable monomer VA2,
VB2、VG2、VH2。
Table 27:PSVA liquid-crystal composition composition
| Nematic liquid crystal | VA2 | VB2 | VG2 | VH2 | |
| PA2 | 100 | 0.3 | |||
| PB2 | 0.29 | ||||
| PG2 | 0.3 | ||||
| PH2 | 0.28 |
PSVA mixture PA2, PB2, PG2, the PH2 completed will be prepared to be filled in standard VA testing cassete, with UV (85mw/
cm2) irradiated under the voltage for applying 20V two minutes, pre-tilt angle, threshold voltage and response time are tested respectively.Test result is shown in
Table 28:
Table 28: pre-tilt angle and optic test result
| Project | titl(°) | V10(V) | T(ms) |
| Embodiment 2 | 89.6 | 3.001 | 14.4 |
| PA2 | 84.3 | 2.856 | 9.6 |
| PB2 | 84.2 | 2.864 | 9.5 |
| PG2 | 84.0 | 2.875 | 9.3 |
| PH2 | 84.4 | 2.870 | 9.8 |
Embodiment 26
PSVA liquid-crystal composition shown in PA1, PB1, PG1, PH1 in selection example 24, is filled in standard VA testing cassete,
With UV (85mw/cm2) apply 20V voltage under irradiate 40s, 60s, 80s, 100s, 120s, 140s, 160s, 180s respectively,
Then pre-tilt angle is tested, it is as shown in table 29 to play test result:
Table 29: the test result of different UV time pre-tilt angles
| The UV time | PA1 | PB1 | PG1 | PH1 |
| 40s | 87.8 | 88.2 | 86.8 | 87.2 |
| 60s | 86.6 | 87.0 | 85.3 | 85.6 |
| 80s | 86.3 | 86.5 | 84.3 | 84.8 |
| 100s | 85.1 | 85.4 | 84.1 | 84.3 |
| 120s | 84.2 | 84.5 | 84.0 | 84.1 |
| 140s | 84.0 | 84.2 | 84.0 | 84.0 |
| 160s | 83.9 | 84.1 | 83.8 | 83.9 |
| 180s | 83.8 | 83.9 | 83.7 | 83.9 |
As can be seen from the above table, polymerizable compound VG2, VH2's has faster reaction speed, promotes the quick shape of liquid crystal
At stable pre-tilt angle.
Embodiment 27
Nematic phase liquid crystal composition provided by selection example 3, according to shown in table 30 addition polymerisable monomer VA2,
VB2、VG2、VH2。
Table 30:PSVA liquid-crystal composition composition
| Nematic liquid crystal | VA2 | VB2 | VG2 | VH2 | |
| PA3 | 100 | 0.5 | |||
| PB3 | 0.5 | ||||
| PG3 | 0.5 | ||||
| PH3 | 0.5 |
PSVA mixture PA3, PB3, PG3, the PH3 completed will be prepared to be filled in standard VA testing cassete, with UV (85mw/
cm2) irradiated under the voltage for applying 20V two minutes, pre-tilt angle, threshold voltage and response time are tested respectively.Test result is shown in
Table 31:
Table 31: pre-tilt angle and optic test result
| Project | titl(°) | V10(V) | T(ms) |
| Embodiment 3 | 89.6 | 2.714 | 15.5 |
| PA3 | 82.1 | 2.556 | 9.0 |
| PB3 | 82.4 | 2.574 | 8.9 |
| PG3 | 82.5 | 2.577 | 9.1 |
| PH3 | 82.3 | 2.565 | 8.9 |
As seen from the above embodiment, liquid-crystal composition provided by the present invention has low viscosity, high voltage holding ratio, is suitble to
Optical anisotropy, good low temperature intersolubility, big elastic constant and excellent photostability and thermal stability, can drop
The response time of low liquid crystal display, to solve the problems, such as that liquid crystal display response speed is slow.Therefore, provided by the present invention
Liquid-crystal composition is suitable for VA display pattern and IPS the and FFS type TFT liquid crystal display devices such as VA/MVA/PVA/PSVA；Especially
Suitable for liquid crystal display devices such as MVA, PVA or PSVA.
Although above having used general explanation, specific embodiment and test, the present invention is made to retouch in detail
It states, but on the basis of the present invention, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to claimed
Range.
Claims (10)
1. a kind of negative dielectric nematic phase liquid crystal composition, which is characterized in that comprising compound representated by least one general formula I,
Compound representated by compound representated by least one general formula II and at least one general formula III；
The general formula I specifically:
In the general formula I, R1、R2It is independently represented each other C1~C12Straight chained alkyl, unbranched alkoxy or C2~C12Straight chain alkene
Base；A1Represent trans- Isosorbide-5-Nitrae-cyclohexyl or Isosorbide-5-Nitrae-phenylene；
The general formula II specifically:
In the general formula II, R3、R4It is independently represented each other C1~C12Straight chained alkyl, unbranched alkoxy or C2~C12Straight chain
Alkenyl；N=0 or 1；
The general formula III specifically:
In the general formula III, R5、R6It is independently represented each other C1~C12Straight chained alkyl, unbranched alkoxy；A2、A3It is respectively independent
Ground represents trans- Isosorbide-5-Nitrae-cyclohexyl or Isosorbide-5-Nitrae-phenylene.
2. liquid-crystal composition according to claim 1, which is characterized in that compound representated by general formula I be selected from Formulas I A and
One of Formulas I B or a variety of:
In described general formula IA, IB, R1、R2It is independently represented each other C1~C7Straight chained alkyl, unbranched alkoxy or C2~C7It is straight
Alkenyl；
Preferably, compound representated by general formula I is selected from one of Formulas I A1~IA24, Formulas I B1~IB24 or a variety of:
It is highly preferred that compound representated by general formula I be selected from Formulas I A1, IA2, IA9, IA10, IA11, IA13, IA14, IA15,
One of IA16, IA18, IB1, IB2, IB13, IB14, IB18, IB22 or a variety of；
It is further preferred that compound representated by general formula I be selected from Formulas I A10, IA13, IA14, IA15, IA16, IA18, IB13,
One of IB14, IB22 or a variety of；
It is particularly preferred that compound representated by general formula I is selected from one of Formulas I A10, IA14, IA15, IA18, IB13, IB14
Or it is a variety of.
3. liquid-crystal composition according to claim 1 or 2, which is characterized in that compound representated by general formula II is selected from formula
One of IIA and IIB or a variety of:
In described general formula IIA, IIB, R3、R4It is independently represented each other C1~C7Straight chained alkyl, unbranched alkoxy or C2~C7's
Straight-chain alkenyl；Preferably, R3It is independently represented each other C2~C5Straight chained alkyl, R4It is independently represented each other C1~C4Straight chain alkane
Oxygroup；
It is highly preferred that compound representated by general formula II is selected from one of Formula II A1~IIA16, Formula II B1~IIB16 or more
Kind:
It is further preferred that compound representated by general formula II be selected from Formula II A2, IIA6, IIA8, IIA14, IIB5, IIB6,
One of IIB8 or a variety of；
It is further preferred that compound representated by general formula II is selected from one of Formula II A2, IIA6, IIB5, IIB6 or more
Kind.
4. liquid-crystal composition according to any one of claims 1 to 3, which is characterized in that chemical combination representated by general formula III
Object is selected from one of formula III A~formula III C or a variety of:
In the formula III A~formula III C, R5Represent C1~C8Straight chained alkyl；R6Represent C1~C7Straight chained alkyl or straight chain alkane
Oxygroup；
Preferably, compound representated by general formula III be selected from formula III A1~IIIA22, IIIB1~IIIB24, IIIC1~
One of IIIC28 or a variety of:
It is highly preferred that compound representated by general formula III be selected from formula III A4, IIIA6, IIIA10, IIIA11, IIIB14,
One of IIIB18, IIIB22, IIIC2, IIIC4, IIIC6, IIIC22, IIIC24, IIIC26, IIIC28 or a variety of；
It is further preferred that compound representated by general formula III be selected from formula III A6, IIIA10, IIIA11, IIIB18,
One of IIIB22, IIIC2, IIIC4, IIIC6, IIIC22, IIIC26 or a variety of；
It is further preferred that compound representated by general formula III be selected from formula III A6, IIIA10, IIIA11, IIIB18,
One of IIIB22, IIIC6, IIIC22, IIIC26 or a variety of；
It is particularly preferred that compound representated by general formula III is selected from one of formula III C6, IIIC22, IIIC26 or a variety of.
5. liquid-crystal composition described in any one according to claim 1~4, which is characterized in that also include one or more choosings
The compound of self-drifting IV structure；The general formula IV specifically:
In the general formula IV, R7、R8It is independently represented each other C1~C12Straight chained alkyl；A4Trans- Isosorbide-5-Nitrae-cyclohexyl or 1 are represented,
4- phenylene；
Preferably, compound representated by general formula IV is selected from one of formula IV A and formula IV B or a variety of:
In described IVA, IVB, R7、R8It is independently represented each other C1~C7Straight chained alkyl；
It is highly preferred that compound representated by general formula IV is selected from one of formula IV A1~IVA12, IVB1~IVB12 or a variety of:
It is further preferred that compound representated by general formula IV is in formula IV A2, IVA6, IVA10, IVB2, IVB6, IVB8
It is one or more；
It is further preferred that compound representated by general formula IV is selected from one of formula IV A2, IVA6, IVB2, IVB6 or more
Kind.
6. liquid-crystal composition described in any one according to claim 1~5, which is characterized in that including following mass percent
Component:
Compound representated by (1) 10~55% general formula I；
Compound representated by (2) 3~30% general formula II；
Compound representated by (3) 20~65% general formula IIIs；
Compound representated by (4) 0~20% general formula IV；
Preferably, the liquid-crystal composition includes following components:
Compound representated by (1) 20~45% general formula I；
Compound representated by (2) 5~20% general formula II；
Compound representated by (3) 30~55% general formula IIIs；
Compound representated by (4) 0~15% general formula IV；
It is highly preferred that the liquid-crystal composition includes following components:
Compound representated by (1) 29~41% general formula I；
Compound representated by (2) 8~16% general formula II；
Compound representated by (3) 40~51% general formula IIIs；
Compound representated by (4) 0~11% general formula IV；
Preferably, the liquid-crystal composition includes following components:
Compound representated by (1) 25~34% general formula I；
Compound representated by (2) 5~20% general formula II；
Compound representated by (3) 35~55% general formula IIIs；
Compound representated by (4) 0~15% general formula IV；
It is highly preferred that the liquid-crystal composition includes following components:
Compound representated by (1) 29~34% general formula I；
Compound representated by (2) 8~16% general formula II；
Compound representated by (3) 40~51% general formula IIIs；
Compound representated by (4) 0~11% general formula IV；
Preferably, the liquid-crystal composition includes following components:
Compound representated by (1) 34~45% general formula I；
Compound representated by (2) 5~20% general formula II；
Compound representated by (3) 35~55% general formula IIIs；
Compound representated by (4) 0~15% general formula IV；
It is highly preferred that the liquid-crystal composition includes following components:
Compound representated by (1) 34~41% general formula I；
Compound representated by (2) 8~16% general formula II；
Compound representated by (3) 40~51% general formula IIIs；
Compound representated by (4) 0~10% general formula IV；
Preferably, the liquid-crystal composition includes following components:
Compound representated by (1) 20~40% general formula I；
Compound representated by (2) 5~20% general formula II；
Compound representated by (3) 35~55% general formula IIIs；
Compound representated by (4) 1~15% general formula IV；
It is highly preferred that the liquid-crystal composition includes following components:
Compound representated by (1) 29~36% general formula I；
Compound representated by (2) 8~16% general formula II；
Compound representated by (3) 40~51% general formula IIIs；
Compound representated by (4) 4~11% general formula IV；
Preferably, the liquid-crystal composition includes following components:
Compound representated by (1) 30~45% general formula I；
Compound representated by (2) 8~20% general formula II；
Compound representated by (3) 40~55% general formula IIIs；
It is highly preferred that the liquid-crystal composition includes following components:
Compound representated by (1) 34~41% general formula I；
Compound representated by (2) 12~16% general formula II；
Compound representated by (3) 44~50% general formula IIIs.
7. according to liquid-crystal composition described in claim 2~5 any one, which is characterized in that including following mass percent
Component:
Compound representated by (1) 4~25% general formula IA；
Compound representated by (2) 10~35% general formula IB；
Compound representated by (3) 5~20% general formula II；
Compound representated by (4) 35~55% general formula IIIs；
Compound representated by (5) 0~15% general formula IV；
It is highly preferred that liquid-crystal composition provided by the present invention is made of following compound:
Compound representated by (1) 7~19% general formula IA；
Compound representated by (2) 16~28% general formula IB；
Compound representated by (3) 8~16% general formula II；
Compound representated by (4) 40~51% general formula IIIs；
Compound representated by (5) 0~11% general formula IV；
Preferably, liquid-crystal composition provided by the present invention is made of following compound:
Compound representated by (1) 4~24% general formula IA；
Compound representated by (2) 10~30% general formula IB；
Compound representated by (3) 5~20% general formula II；
Compound representated by (4) 35~55% general formula IIIs；
Compound representated by (5) 1~15% general formula IV；
It is highly preferred that liquid-crystal composition provided by the present invention is made of following compound:
Compound representated by (1) 7~18% general formula IA；
Compound representated by (2) 16~25% general formula IB；
Compound representated by (3) 8~16% general formula II；
Compound representated by (4) 40~51% general formula IIIs；
Compound representated by (5) 4~11% general formula IV；
Preferably, liquid-crystal composition provided by the present invention is made of following compound:
Compound representated by (1) 8~23% general formula IA；
Compound representated by (2) 18~34% general formula IB；
Compound representated by (3) 8~20% general formula II；
Compound representated by (4) 40~55% general formula IIIs；
It is highly preferred that liquid-crystal composition provided by the present invention is made of following compound:
Compound representated by (1) 12~19% general formula IA；
Compound representated by (2) 22~28% general formula IB；
Compound representated by (3) 12~16% general formula II；
Compound representated by (4) 44~50% general formula IIIs.
8. liquid-crystal composition described in any one according to claim 1~7, which is characterized in that also comprising one or more
Polymerizable compound representated by general formula V；General formula V specifically:
In the general formula V, R9、R10It is independently represented each other acrylate, methacrylate；L1、L2Be independently represented each other F,
Methyl, methoxyl group, ethyoxyl；
Preferably, compound representated by general formula V is selected from one of VA~VH or a variety of:
In the VA~VH, R9、R10It is independently represented each other acrylate, methacrylate；
It is highly preferred that compound representated by general formula V is selected from one of following VA1~VH2 or a variety of:
It is further preferred that polymerizable compound representated by general formula V is selected from VA2, VB2, VC2, VD2, VE2, VF2, VG2, VH2
One of or it is a variety of, be still more preferably one of VA2, VB2, VG2, VH2 or a variety of, most preferably in VG2 and VH2
One or two.
9. liquid-crystal composition according to claim 8, which is characterized in that the dosage for the polymerizable compound that general formula V is represented
It is the 0.1~5% of liquid-crystal compounds total weights other in liquid-crystal composition, other liquid-crystal compounds preferably in liquid-crystal composition
The 0.2~0.5% of total weight.
10. application of the liquid-crystal composition described in claim 1~9 any one in liquid crystal display device, preferably in VA/MVA/
Application in the VA class liquid crystal display device such as PVA/PSVA and/or IPS, FFS mode liquid crystal display device, more preferably in MVA/
Application in PVA/PSVA mode LCD, the further preferably application in PSVA mode LCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710771968.8A CN109423304A (en) | 2017-08-31 | 2017-08-31 | A kind of negative dielectric nematic phase liquid crystal composition and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710771968.8A CN109423304A (en) | 2017-08-31 | 2017-08-31 | A kind of negative dielectric nematic phase liquid crystal composition and its application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109423304A true CN109423304A (en) | 2019-03-05 |
Family
ID=65505356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710771968.8A Pending CN109423304A (en) | 2017-08-31 | 2017-08-31 | A kind of negative dielectric nematic phase liquid crystal composition and its application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109423304A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110484281A (en) * | 2019-07-31 | 2019-11-22 | 北京八亿时空液晶科技股份有限公司 | A kind of negative liquid crystal composition and its application |
| CN112048318A (en) * | 2019-06-06 | 2020-12-08 | 江苏和成显示科技有限公司 | Liquid crystal composition and liquid crystal display device thereof |
| CN112210388A (en) * | 2019-07-10 | 2021-01-12 | 北京八亿时空液晶科技股份有限公司 | Polymer-stabilized liquid crystal composition and application thereof |
| CN113789184A (en) * | 2021-10-12 | 2021-12-14 | 重庆汉朗精工科技有限公司 | Negative large-refractive-index liquid crystal composition and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1026142A1 (en) * | 1997-10-24 | 2000-08-09 | Chisso Corporation | 2,3-difluorophenyl derivatives having negative value of permittivity anisotropy, liquid-crystal composition, and liquid-crystal display element |
| US20110240921A1 (en) * | 2008-12-10 | 2011-10-06 | Jnc Corporation | Liquid crystal composition and liquid crystal display device |
| CN103890140A (en) * | 2012-02-24 | 2014-06-25 | Dic株式会社 | Liquid crystal composition |
| CN103958644A (en) * | 2011-09-27 | 2014-07-30 | Dic株式会社 | Nematic liquid crystal composition and liquid crystal display element using same |
| CN104136575A (en) * | 2011-12-21 | 2014-11-05 | Dic株式会社 | Nematic liquid crystal composition and liquid crystal display element using same |
| CN104603235A (en) * | 2012-09-11 | 2015-05-06 | Dic株式会社 | Nematic liquid crystal composition and liquid crystal display element using same |
-
2017
- 2017-08-31 CN CN201710771968.8A patent/CN109423304A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1026142A1 (en) * | 1997-10-24 | 2000-08-09 | Chisso Corporation | 2,3-difluorophenyl derivatives having negative value of permittivity anisotropy, liquid-crystal composition, and liquid-crystal display element |
| US20110240921A1 (en) * | 2008-12-10 | 2011-10-06 | Jnc Corporation | Liquid crystal composition and liquid crystal display device |
| CN103958644A (en) * | 2011-09-27 | 2014-07-30 | Dic株式会社 | Nematic liquid crystal composition and liquid crystal display element using same |
| CN104136575A (en) * | 2011-12-21 | 2014-11-05 | Dic株式会社 | Nematic liquid crystal composition and liquid crystal display element using same |
| CN103890140A (en) * | 2012-02-24 | 2014-06-25 | Dic株式会社 | Liquid crystal composition |
| CN104603235A (en) * | 2012-09-11 | 2015-05-06 | Dic株式会社 | Nematic liquid crystal composition and liquid crystal display element using same |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112048318A (en) * | 2019-06-06 | 2020-12-08 | 江苏和成显示科技有限公司 | Liquid crystal composition and liquid crystal display device thereof |
| CN112210388A (en) * | 2019-07-10 | 2021-01-12 | 北京八亿时空液晶科技股份有限公司 | Polymer-stabilized liquid crystal composition and application thereof |
| WO2021003809A1 (en) * | 2019-07-10 | 2021-01-14 | 北京八亿时空液晶科技股份有限公司 | Polymer-stabilized liquid crystal composition and use thereof |
| TWI765207B (en) * | 2019-07-10 | 2022-05-21 | 大陸商北京八億時空液晶科技股份有限公司 | A kind of polymer-stabilized liquid crystal composition and its application |
| JP2022539452A (en) * | 2019-07-10 | 2022-09-09 | 北京八億時空液晶科技股▲ふん▼有限公司 | Polymer-stabilized liquid crystal composition and its use |
| JP7441865B2 (en) | 2019-07-10 | 2024-03-01 | 北京八億時空液晶科技股▲ふん▼有限公司 | Polymer stabilized liquid crystal composition and use thereof |
| US12024665B2 (en) | 2019-07-10 | 2024-07-02 | Beijing Bayi Space Lcd Technology Co., Ltd. | Polymer-stabilized liquid crystal composition and use thereof |
| CN110484281A (en) * | 2019-07-31 | 2019-11-22 | 北京八亿时空液晶科技股份有限公司 | A kind of negative liquid crystal composition and its application |
| CN113789184A (en) * | 2021-10-12 | 2021-12-14 | 重庆汉朗精工科技有限公司 | Negative large-refractive-index liquid crystal composition and application thereof |
| CN113789184B (en) * | 2021-10-12 | 2023-11-10 | 重庆汉朗精工科技有限公司 | Negative large refractive index liquid crystal composition and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109423304A (en) | A kind of negative dielectric nematic phase liquid crystal composition and its application | |
| CN104302733B (en) | Liquid-crystal composition and its purposes and LCD assembly and its manufacture method | |
| CN107267156A (en) | A kind of liquid-crystal composition and its application | |
| TWI697548B (en) | Liquid crystal display element and its manufacturing method | |
| TW201934724A (en) | Compound, and liquid crystal composition and application thereof for significantly improving the transmittance and the response speed of liquid crystal products | |
| TW201723153A (en) | Composition, and liquid crystal display element using same | |
| CN109988581A (en) | A kind of liquid-crystal composition and its application | |
| CN107418595B (en) | A kind of negative dielectric anisotropy liquid crystal composition containing terphenyl structure and application | |
| CN110922982A (en) | Liquid crystal composition containing novel dibenzothiophene polymerizable compound and application thereof | |
| CN110922986A (en) | Liquid crystal composition containing dibenzofuran polymerizable compound and application thereof | |
| CN109988582A (en) | A kind of liquid-crystal composition and liquid crystal display device with fast-response time | |
| CN110922985A (en) | Liquid crystal composition containing novel dibenzofuran polymerizable monomer and application thereof | |
| CN112175634A (en) | Polymer stable alignment type liquid crystal composition and application thereof | |
| CN109970562A (en) | Polymerizable compound and liquid crystal media and its application | |
| WO2023134594A1 (en) | Negative dielectric anisotropic liquid crystal composition, optical anisotropier, and liquid crystal display component | |
| TWI490314B (en) | Liquid crystal composition and liquid crystal display element using the same | |
| CN110922987A (en) | Liquid crystal composition containing benzofuran polymerizable compound and application thereof | |
| TWI638881B (en) | Liquid crystal composition containing polymerizable compound and application thereof | |
| WO2022198776A1 (en) | Liquid crystal composition containing polymerizable compound and application thereof | |
| CN107541221A (en) | A kind of liquid-crystal composition containing polyfluoro biphenyl liquid crystal compound and its application | |
| CN108139629A (en) | Liquid crystal display element | |
| Fleischmann et al. | Preparation of Soft Microactuators in a Continuous Flow Synthesis Using a Liquid‐Crystalline Polymer Crosslinker | |
| CN110484281A (en) | A kind of negative liquid crystal composition and its application | |
| TWI670362B (en) | Liquid crystal composition and application thereof | |
| CN113717736B (en) | Negative liquid crystal composition with quick response and application thereof |
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: 20190305 |
|
| RJ01 | Rejection of invention patent application after publication |