CN113621385A - Wide-temperature-range fast-response negative liquid crystal composition and application thereof - Google Patents
Wide-temperature-range fast-response negative liquid crystal composition and application thereof Download PDFInfo
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 104
- 239000000203 mixture Substances 0.000 title claims abstract description 64
- 150000001875 compounds Chemical class 0.000 claims abstract description 133
- 239000000178 monomer Substances 0.000 claims abstract description 19
- 125000004432 carbon atom Chemical group C* 0.000 claims description 18
- 125000000217 alkyl group Chemical group 0.000 claims description 14
- 239000002131 composite material Substances 0.000 claims description 11
- 125000003545 alkoxy group Chemical group 0.000 claims description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 6
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 5
- 125000003342 alkenyl group Chemical group 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 14
- 239000004988 Nematic liquid crystal Substances 0.000 abstract description 4
- 238000002844 melting Methods 0.000 abstract description 4
- 230000008018 melting Effects 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 23
- 238000000034 method Methods 0.000 description 8
- 238000011056 performance test Methods 0.000 description 8
- 230000000704 physical effect Effects 0.000 description 8
- 238000003756 stirring Methods 0.000 description 5
- 238000006467 substitution reaction Methods 0.000 description 4
- 101100208473 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) lcm-2 gene Proteins 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- 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
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
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- 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
-
- 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
Abstract
The invention relates to a wide-temperature fast-response negative liquid crystal composition and application thereof, belonging to the technical field of liquid crystal materials. The negative liquid crystal composition comprises a monomer compound with a structure shown in a general formula I, and the mass fraction of the monomer compound is 1-30%; the mass fraction of the monomer compound with the structure shown in the general formula II is 0.5-75%; the mass fraction of the monomer compound with the structure shown in the general formula III is 0.5-88%; and a monomer compound with a structure shown in a general formula IV, wherein the mass fraction is 2-30%. The wide-temperature quick-response negative nematic liquid crystal composition has high clearing point, low melting point, wider phase temperature range and quick response time, improves the response speed of vehicle-mounted liquid crystal, and solves the problems of smear and unsmooth display picture caused by slow response time of the vehicle-mounted liquid crystal.
Description
Technical Field
The invention relates to a wide-temperature quick-response negative liquid crystal composition and application thereof, wherein the negative liquid crystal composition can be applied to the liquid crystal display industry, is particularly applied to a vehicle-mounted liquid crystal display device, solves the problem of slow response time of vehicle-mounted liquid crystal, and belongs to the technical field of liquid crystal materials.
Background
With the rapid development of liquid crystal materials, the application fields of liquid crystal compounds have been significantly broadened to various display devices, electro-optical devices, electronic components, sensors, and the like. Such as watches, tablets, measuring machines, panels for automobiles, television and computer screens, etc., which are found everywhere in life. Liquid crystal materials are further classified into positive liquid crystals and negative liquid crystals according to dielectric characteristics. Negative liquid crystal refers to a liquid crystal material in which the liquid crystal has anisotropic dielectric properties and the parallel dielectric constant is smaller than the vertical dielectric constant, and liquid crystal molecules are arranged in the direction perpendicular to the electric field. Compared with positive liquid crystal, the twist angle distribution of the liquid crystal is more uniform, the transmittance is higher, and the transmittance is higher by about 10-15% than that of positive liquid crystal molecules.
With the rapid development of liquid crystal materials, the requirements of people on liquid crystal products are gradually increased, and the liquid crystal materials are not only limited to household display appliances with stable working environments, but also are more applied to movable display devices. And therefore mobile display devices like on-vehicle liquid crystal devices are receiving increasing attention.
In common related technologies, some negative wide-temperature nematic liquid crystal materials have a wide working range and a high clearing point, and are suitable for vehicle-mounted liquid crystal products, but the response time is slow, so that the response speed of a pixel point to an input signal cannot be kept up with the response speed, and a similar residual image or a trail appears when a high-speed moving picture is viewed, so that the problem of smooth picture cannot be guaranteed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a negative nematic liquid crystal composition with wide temperature and quick response, and the response speed of the vehicle-mounted liquid crystal is improved. By adopting the wide-temperature quick-response negative liquid crystal composition, the problem that the vehicle-mounted liquid crystal has similar residual shadow or trail when watching a high-speed moving picture due to slow response time and can not ensure smooth picture can be solved.
The liquid crystal material has high clearing point, low melting point, wider phase temperature range and quick response time, improves the response speed of a vehicle-mounted liquid crystal display picture, and solves the problems of smear and unsmooth display picture caused by slow response time of the vehicle-mounted liquid crystal.
In order to achieve the purpose, the invention adopts the following technical scheme:
a negative liquid crystal composition with wide temperature and quick response comprises the following components in percentage by mass:
the monomer compound at least comprises one or more monomer compounds with the structure shown in the general formula I, the mass fraction is 1% -30%, and the specific structure of the general formula I is as follows:
in the formula, R1Represents a linear alkyl group having 2 to 6 carbon atoms; r2Represents an alkoxy group having 1 to 6 carbon atoms; n and n' respectively represent 0 or 1 cyclohexane substitution;
at least comprises one or more monomer compounds with the structure shown in the general formula II, the mass fraction is 0.5-75%, and the specific structure of the general formula II is as follows:
in the formula, R3Represents a C1-5 linear alkyl group, R4Represents a linear alkyl chain with 1-5 carbon atoms or an alkenyl chain with 1-3 carbon atoms; a1 and A2 each independently represent a benzene ring or cyclohexane substitution; m represents 0 or 1 cyclohexane or benzene ring;
the monomer compound at least comprises one or more monomer compounds with the structure shown in the general formula III, the mass fraction is 0.5-88%, and the specific structure of general formula III is as follows:
in the formula, R5Represents a linear alkyl group having 2 to 5 carbon atoms; r6Represents a linear alkyl group having 1 to 3 carbon atoms or an alkoxy group having 1 to 4 carbon atoms; a3 represents a cyclohexane or benzene ring substitution; y is1、Y2Each independently represents a F atom or a H atom; p represents 0 or 1 cyclohexane or benzene ring;
the monomer compound at least comprises one or more monomer compounds with a structure shown in a general formula IV, the mass fraction is 2% -30%, and the specific structure of the general formula IV is as follows:
in the formula, R7Represents a linear alkyl group having 2 to 4 carbon atoms; r8Represents a linear alkyl or alkoxy substitution with 2-4 carbon atoms;
the sum of the mass of the monomer compounds with the structures shown in the general formula I, the general formula II, the general formula III and the general formula IV is 100 percent.
Preferably, in the liquid crystal composition material, the compound shown in the general formula I is selected from one or more of the following compounds shown in the general formulas I-1 to I-14:
further preferably, the compound represented by the general formula I is selected from one or more liquid crystal compounds represented by the general formulae I-4, I-10 and I-14.
Preferably, in the liquid crystal composition material, the compound shown in the general formula II is selected from one or more of the following compounds shown in general formulas II-1 to II-25:
further preferably, the compound represented by the general formula II is one or more (two or more) selected from liquid crystal compounds represented by general formulae II-8, II-6, II-12, II-19 and II-21.
Preferably, in the liquid crystal composition material, the compound shown in the general formula III is selected from one or more of the following compounds shown in general formulas III-1 to III-40:
further preferably, the compound represented by the formula III is selected from one or more liquid crystal compounds represented by the formulae III-2, III-4, III-21, III-28, III-29, III-39 and III-40.
Preferably, in the liquid crystal composition material, the compound shown in the general formula IV is selected from one or more of the following compounds shown in general formulas IV-1 to IV-5:
further preferably, the compound represented by the general formula IV is one or two selected from liquid crystal compounds represented by general formulas IV-1 and IV-2.
Preferably, the negative liquid crystal composition material with wide temperature and fast response consists of the following compounds in percentage by mass:
2 to 8 percent of compound shown in a general formula I-4,
2 to 5 percent of compound shown in a general formula I-10,
2 to 5 percent of compound shown in a general formula I-14,
5 to 11 percent of compound shown in a general formula II-2,
8-14% of compound shown as general formula II-6
2 to 10 percent of compound shown in a general formula II-12,
3 to 7 percent of compound shown in a general formula II-19,
3 to 7 percent of compound shown in a general formula II-21,
8 to 16 percent of compound shown in a general formula III-2,
6 to 14 percent of compound shown in a general formula III-4,
2 to 10 percent of compound shown in a general formula III-28,
2 to 9 percent of compound shown in a general formula III-29,
4 to 12 percent of compound shown in a general formula III-39,
5% -14% of a compound of the general formula III-40
2 to 8 percent of compound shown in a general formula IV-1,
3 to 12 percent of compound shown in the general formula IV-2.
More preferably, the negative liquid crystal composition material with wide temperature and fast response consists of the following compounds in percentage by mass:
3 to 7 percent of compound shown as a general formula I-4,
2 to 4 percent of compound shown in a general formula I-10,
2 to 4 percent of compound shown in a general formula I-14,
5 to 8 percent of compound shown in a general formula II-2,
8 to 11 percent of compound shown in a general formula II-6,
4 to 8 percent of compound shown in a general formula II-12,
4 to 6 percent of compound shown in a general formula II-19,
4 to 7 percent of compound shown in a general formula II-21,
10 to 15.5 percent of compound shown in a general formula III-2,
8 to 13 percent of compound shown in a general formula III-4,
2 to 8 percent of compound shown in a general formula III-28,
2 to 8 percent of compound shown in a general formula III-29,
2 to 10 percent of compound shown in a general formula III-39,
8% -13% of a compound of the general formula III-40
3 to 5 percent of compound shown in a general formula IV-1,
4 to 10 percent of compound shown in the general formula IV-2.
In the negative wide-temperature-phase liquid crystal composition material, the compound shown in the general formula I accounts for 1-30 wt%, preferably 2-22 wt%, and more preferably 2-19 wt%; the compound shown in the general formula II is 0.5-75%, preferably 1-65%, more preferably 2-58%; the compound shown in the general formula III is 0.5-88%, preferably 1-80%, and more preferably 2-74%; the compound shown in the general formula IV is 2-30%, preferably 3-20%, and more preferably 4-15%.
The wide-temperature fast-response negative liquid crystal composition material has high clearing point, low melting point, wider phase temperature range and fast response time, can be applied to wide-temperature liquid crystal displays, and is particularly suitable for vehicle-mounted liquid crystal displays. The response speed of the vehicle-mounted liquid crystal can be improved, and the problems of smear and unsmooth display picture caused by slow response time of the vehicle-mounted liquid crystal are solved.
The invention has the advantages that:
the wide-temperature quick-response negative nematic liquid crystal composition has the advantages of high clearing point, low melting point, wide phase temperature range and quick response time, improves the response speed of vehicle-mounted liquid crystal, and solves the problems of smear and unsmooth display picture caused by slow response time of the vehicle-mounted liquid crystal.
The liquid crystal composition material has a wide nematic phase temperature range, can widen the working temperature range of liquid crystal, and can accelerate the response speed of the liquid crystal due to low rotational viscosity, so that the response time of vehicle-mounted liquid crystal is accelerated, a display picture is smoother, and no smear is generated.
Detailed Description
The liquid crystal compositions of the present invention were prepared as follows: weighing the components according to the mass percentage of the components in the formula of the liquid crystal composition; taking example 1 as an illustration, according to the mass percent in example 1, 15% of the compound of formula III-2, 6% of the compound of formula I-4, 6% of the compound of formula II-12, 5% of the compound of formula II-19, 10% of the compound of formula III-37, 9% of the compound of formula III-4, 7% of the compound of formula III-21, 4% of the compound of formula IV-1, 4% of the compound of formula IV-2, 8% of the compound of formula III-33, 6% of the compound of formula II-2, 6% of the compound of formula II-21, 3% of the compound of formula I-10, 2% of the compound of formula I-14, 9% of the compound of formula II-6 are weighed. Placing the weighed monomers in a hard high borosilicate glass bottle, heating under the protection of nitrogen, electromagnetically stirring or mechanically stirring until the monomers are molten, clear, uniform and transparent solution, and continuing stirring for 30 minutes to thoroughly and uniformly mix the materials and then stopping heating. Degassing under reduced pressure while stirring; the vacuum degree is increased along with the reduction of the temperature, the stirring is stopped until the temperature is cooled to the room temperature, and the vacuum pumping is continued until no bubbles appear. The test box can be filled for testing.
The abbreviated codes of the test items in the following examples are as follows:
tni: clearing the bright spots;
tcn: solid to hydraulic phase transition points;
no: refractive index of ordinary rays (589nm, 25 ℃);
ne: refractive index of extraordinary ray (589nm, 25 ℃);
Δ n: refractive index anisotropy (589nm, 25 ℃);
t represents the response time measured at 25 ℃;
Δ ε: dielectric anisotropy (1KHz, 25 ℃);
wherein, Delta Epsilon is Epsilon/Epsilon⊥Wherein ε/' is the dielectric constant parallel to the molecular axis,. epsilon. is the dielectric constant perpendicular to the molecular axis, test conditions: 25 ℃ and 1 KHz;
vth, which represents a threshold voltage, measured under EC-1 under test conditions (20V, 25 ℃);
k11: a splay elastic constant;
k33: a bending elastic constant;
γ 1: represents a rotational viscosity [ mPas ] measured at 25 ℃ at a box thickness of 18.42 μm as measured by LCM-2;
VHR represents a voltage holding ratio, and the test conditions (5V, 6Hz, 60 ℃) are measured by LCM-2;
ION: indicating the ion concentration, the test conditions (10V, 0.1Hz, 60 ℃) were determined by LCM-2.
Example 1:
the liquid crystal compositions were prepared according to the above-described method of the present invention according to the compositions of the liquid crystal compositions in Table 1, and filled into test cells for performance test, and the results of the measured physical property parameters are shown in Table 1.
Table 1 composition and test data for liquid crystal composition of example 1
The material in the embodiment 1 has the characteristics of higher clearing point, wider working range, higher voltage holding ratio, lower ion concentration and the like, particularly has faster response time, and can greatly improve the display speed of the vehicle-mounted liquid crystal.
Example 2:
the liquid crystal compositions were prepared according to the above-described method of the present invention according to the compositions of the liquid crystal compositions in Table 2, and filled into test cells for performance test, and the results of the measured physical property parameters are shown in Table 2.
Table 2 composition of liquid crystal composition and test data of example 2
The material in embodiment 2 has the characteristics of a higher clearing point, a wider working range, a higher voltage holding ratio, a lower ion concentration and the like, and particularly has a faster response time, so that the display quality of the vehicle-mounted liquid crystal is improved to a greater extent.
Example 3:
according to the composition of the liquid crystal composition shown in Table 3, the liquid crystal composition was prepared by the method of the present invention described above, and the liquid crystal composition was filled in a test cell for performance test, and the results of the measured physical property parameters are shown in Table 3.
Table 3 composition of liquid crystal composition and test data for example 3
The material in example 3 has a high clearing point, a wide temperature phase working range and excellent quality parameters.
Example 4:
the liquid crystal compositions were prepared according to the above-described method of the present invention in accordance with the compositions of the liquid crystal compositions in Table 4, and filled into test cells for performance tests, and the results of the measured physical property parameters are shown in Table 4.
Table 4 composition of liquid crystal composition and test data for example 4
Example 5:
the liquid crystal compositions were prepared according to the above-described method of the present invention in accordance with the compositions of the liquid crystal compositions in Table 5, and filled into test cells for performance test, and the results of the measured physical property parameters are shown in Table 5.
Table 5 composition of liquid crystal composition and test data for example 5
Example 6:
the liquid crystal compositions were prepared according to the above-described method of the present invention in accordance with the compositions of the liquid crystal compositions in Table 6, and filled into test cells for performance tests, and the results of the measured physical property parameters are shown in Table 6.
Table 6 composition and test data for liquid crystal composition of example 6
Example 7:
the liquid crystal compositions were prepared according to the above-described method of the present invention in accordance with the compositions of the liquid crystal compositions in Table 7, and filled into test cells for performance tests, and the results of the measured physical property parameters are shown in Table 7.
Table 7 composition and test data for liquid crystal composition of example 7
Example 8:
the liquid crystal compositions were prepared according to the above-described method of the present invention in accordance with the compositions of the liquid crystal compositions in Table 8, and filled into test cells for performance tests, and the results of the measured physical property parameters are shown in Table 8.
Table 8 composition of liquid crystal composition of example 8 and test data
From examples 1 to 8, it can be seen that the negative liquid crystal material of the present invention has a higher clearing point, a wider working range, and particularly has the characteristics of lower rotational viscosity, faster response time, excellent quality parameters, and the like, and the display quality of the on-vehicle liquid crystal is greatly improved. In examples 1 to 8, the response time was fastest in example 1.
Claims (10)
1. A negative liquid crystal composition with wide temperature and quick response is characterized in that: according to the mass percentage, the monomer compound comprises 1-30% of a structure shown in a general formula I, wherein the structure of the general formula I is as follows:
in the formula, R1Represents a linear alkyl group having 2 to 6 carbon atoms; r2Represents an alkoxy group having 1 to 6 carbon atoms; n and n' represent 0 or 1 respectively;
the mass fraction of the monomer compound with the structure shown in the general formula II is 0.5-75%, and the structure of the general formula II is as follows:
in the formula, R3Represents a C1-5 linear alkyl group, R4Represents a linear alkyl chain having 1 to 5 carbon atoms or an alkenyl chain having 1 to 3 carbon atoms; a1 and A2 each independently represent a benzene ring or cyclohexane; m represents 0 or 1;
the mass fraction of the monomer compound with the structure shown in the general formula III is 0.5-88%, and the structure of general formula III is as follows:
in the formula, R5Represents a linear alkyl group having 2 to 5 carbon atoms; r6Represents a straight-chain alkyl group having 1 to 3 carbon atoms or an alkoxy group having 1 to 4 carbon atoms; a3 represents a cyclohexane or benzene ring; y is1、Y2Each independently represents F or H; p represents 0 or 1;
and a monomer compound with a structure shown in a general formula IV, wherein the mass fraction is 2% -30%, and the structure of the general formula IV is as follows:
in the formula, R7Represents a linear alkyl group having 2 to 4 carbon atoms; r8Represents a linear alkyl group or an alkoxy group having 2 to 4 carbon atoms.
2. The wide temperature fast response negative working liquid crystal composition of claim 1, wherein: the compound shown in the general formula I is selected from one or more compounds shown in general formulas I-1 to I-14:
3. the wide temperature fast response negative working liquid crystal composition of claim 1, wherein: the compound shown in the general formula II is selected from one or more compounds shown in general formulas II-1 to II-25:
4. the wide temperature fast response negative working liquid crystal composition of claim 1, wherein: the compound shown in the general formula III is selected from one or more compounds shown in general formulas III-1 to III-40:
5. the wide temperature fast response negative working liquid crystal composition of claim 1, wherein: the compound shown in the general formula IV is selected from one or more compounds shown in general formulas IV-1 to IV-5:
6. the wide temperature fast response negative working liquid crystal composition of claim 1, wherein: the negative liquid crystal composition material is composed of the following compounds in mass ratio:
2 to 8 percent of compound shown in a general formula I-4,
2 to 5 percent of compound shown in a general formula I-10,
2 to 5 percent of compound shown in a general formula I-14,
5 to 11 percent of compound shown in a general formula II-2,
8-14% of compound shown as general formula II-6
2 to 10 percent of compound shown in a general formula II-12,
3 to 7 percent of compound shown in a general formula II-19,
3 to 7 percent of compound shown in a general formula II-21,
8 to 16 percent of compound shown in a general formula III-2,
6 to 14 percent of compound shown in a general formula III-4,
2 to 10 percent of compound shown in a general formula III-28,
2 to 9 percent of compound shown in a general formula III-29,
4 to 12 percent of compound shown in a general formula III-39,
5% -14% of a compound of the general formula III-40
2 to 8 percent of compound shown in a general formula IV-1,
3 to 12 percent of compound shown in the general formula IV-2.
7. The wide temperature fast response negative working liquid crystal composition of claim 6, wherein: the negative liquid crystal composition material is composed of the following compounds in mass ratio:
3 to 7 percent of compound shown as a general formula I-4,
2 to 4 percent of compound shown in a general formula I-10,
2 to 4 percent of compound shown in a general formula I-14,
5 to 8 percent of compound shown in a general formula II-2,
8 to 11 percent of compound shown in a general formula II-6,
4 to 8 percent of compound shown in a general formula II-12,
4 to 6 percent of compound shown in a general formula II-19,
4 to 7 percent of compound shown in a general formula II-21,
10 to 15.5 percent of compound shown in a general formula III-2,
8 to 13 percent of compound shown in a general formula III-4,
2 to 8 percent of compound shown in a general formula III-28,
2 to 8 percent of compound shown in a general formula III-29,
2 to 10 percent of compound shown in a general formula III-39,
8% -13% of a compound of the general formula III-40
3 to 5 percent of compound shown in a general formula IV-1,
4 to 10 percent of compound shown in the general formula IV-2.
8. The wide temperature fast response negative working liquid crystal composition of claim 1, wherein: calculated according to weight percentage, the compound shown in the general formula I is 2-22 percent, the compound shown in the general formula II is 1-65 percent, the compound shown in the general formula III is 1-80 percent, and the compound shown in the general formula IV is 3-20 percent.
9. Use of a wide temperature fast response negative liquid crystal composition according to any one of claims 1-8 for the preparation of a wide temperature liquid crystal display device.
10. Use according to claim 9, characterized in that: the liquid crystal display device is a vehicle liquid crystal display.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108239544A (en) * | 2016-12-23 | 2018-07-03 | 江苏和成显示科技有限公司 | The liquid-crystal composition and its display device of negative dielectric anisotropic |
| CN108239547A (en) * | 2016-12-23 | 2018-07-03 | 江苏和成显示科技有限公司 | The liquid-crystal composition and its display device of negative dielectric anisotropic |
| CN108239549A (en) * | 2016-12-23 | 2018-07-03 | 江苏和成显示科技有限公司 | The liquid-crystal composition and its display device of negative dielectric anisotropic |
| CN108239539A (en) * | 2016-12-23 | 2018-07-03 | 江苏和成显示科技有限公司 | The liquid-crystal composition and its display device of negative dielectric anisotropic |
| CN112940751A (en) * | 2019-12-30 | 2021-06-11 | 石家庄诚志永华显示材料有限公司 | Liquid crystal composition, liquid crystal display element or liquid crystal display |
| CN112980463A (en) * | 2019-12-30 | 2021-06-18 | 石家庄诚志永华显示材料有限公司 | Negative liquid crystal medium, liquid crystal display element or liquid crystal display |
-
2021
- 2021-08-10 CN CN202110915706.0A patent/CN113621385A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108239544A (en) * | 2016-12-23 | 2018-07-03 | 江苏和成显示科技有限公司 | The liquid-crystal composition and its display device of negative dielectric anisotropic |
| CN108239547A (en) * | 2016-12-23 | 2018-07-03 | 江苏和成显示科技有限公司 | The liquid-crystal composition and its display device of negative dielectric anisotropic |
| CN108239549A (en) * | 2016-12-23 | 2018-07-03 | 江苏和成显示科技有限公司 | The liquid-crystal composition and its display device of negative dielectric anisotropic |
| CN108239539A (en) * | 2016-12-23 | 2018-07-03 | 江苏和成显示科技有限公司 | The liquid-crystal composition and its display device of negative dielectric anisotropic |
| CN112940751A (en) * | 2019-12-30 | 2021-06-11 | 石家庄诚志永华显示材料有限公司 | Liquid crystal composition, liquid crystal display element or liquid crystal display |
| CN112980463A (en) * | 2019-12-30 | 2021-06-18 | 石家庄诚志永华显示材料有限公司 | Negative liquid crystal medium, liquid crystal display element or liquid crystal display |
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Application publication date: 20211109 |