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CN104910923A - Liquid crystal composition suitable for coplanar transition mode, and application thereof - Google Patents

Liquid crystal composition suitable for coplanar transition mode, and application thereof Download PDF

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CN104910923A
CN104910923A CN201410089019.8A CN201410089019A CN104910923A CN 104910923 A CN104910923 A CN 104910923A CN 201410089019 A CN201410089019 A CN 201410089019A CN 104910923 A CN104910923 A CN 104910923A
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liquid crystal
crystal composition
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戴慧娟
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Jiangsu Hecheng Display Technology Co Ltd
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Jiangsu Hecheng Display Technology Co Ltd
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Abstract

The invention discloses a liquid crystal composition suitable for a coplanar transition mode. The liquid crystal composition includes: one or more compounds of general formula I; a compound of general formula II; at least one compound of general formula III-1 and/or at least one compound of general formula III-2; at least one compound of general formula IV-1 and/or at least one compound of general formula IV-2; at least one compound of general formula V-1 and/or at least one compound of general formula V-2; and one or more compounds of general formula VI, and/or one or more compounds of general formula VII-1 and/or general formula VII-2. The liquid crystal composition has the characteristics of fast response speed, low rotating viscosity, high clearing point, high optical anisotropy and high dielectric anisotropy, and IPS mode liquid crystal display devices using the liquid crystal composition have the advantages of fast response, high clearing point and low driving voltage.

Description

Liquid crystal composition suitable for coplanar switching mode and application thereof
Technical Field
The present invention relates to a liquid crystal composition used for a liquid crystal display element, and more particularly, to a liquid crystal composition used for an in-plane switching mode (IPS) liquid crystal display element driven in an active matrix manner, and use thereof in an electro-optical liquid crystal display.
Background
Liquid crystal display devices operate by utilizing optical anisotropy and dielectric anisotropy of liquid crystal materials themselves, and have been widely used at present. The device can be designed to have various operation modes by utilizing different characteristics and operation modes of the liquid crystal material, wherein conventional displays commonly use TN mode (twisted nematic mode), STN mode (super twisted nematic mode), ECB mode (electrically controlled birefringence mode), OCB mode (optically compensated bend mode), IPS mode (in-plane switching mode), VA mode (vertically aligned mode), and the like.
In low information content, passive driving is generally used, but as the information content increases, the display size and the number of display paths increase, and crosstalk and contrast reduction phenomena become serious, and thus Active Matrix (AM) driving is generally used. In an AM-TFT element, the TFT switching devices are addressed in a two-dimensional grid, charging the pixel electrodes for a finite time on, and then turning off until they are addressed again in the next cycle. Therefore, between two addressing periods, the voltage on the pixel is not expected to change, otherwise, the light transmittance of the pixel is changed, and the display is unstable. The rate of discharge at a pixel depends on the electrode capacity and the resistivity of the dielectric material between the electrodes. Therefore, the liquid crystal material is required to have higher resistivity, and simultaneously, the material is required to have proper optical anisotropy delta n (the delta n value is generally between 0.08 and 0.15) and lower threshold voltage so as to achieve the purposes of reducing driving voltage and reducing power consumption; it is also desirable to have a lower viscosity to meet the need for a fast response.
In the early 70 s of the last century, experimental studies have been conducted on the basic electro-optical characteristics of the IPS mode of uniformly aligned, twisted aligned and nematic liquid crystals, which is characterized in that a pair of electrodes are formed on the same substrate and the other substrate has no electrode, and the alignment of liquid crystal molecules is controlled by a lateral electric field applied between the electrodes, and thus this mode can also be called lateral field mode. In the IPS mode, nematic liquid crystal molecules are uniformly arranged in parallel between two substrates, and two polarizing plates are orthogonally arranged. In the IPS mode, when no electric field is applied, incident light is blocked by two orthogonal polarizing plates to be in a dark state, and when an electric field is applied, liquid crystal molecules rotate to cause retardation, so that light leaks from the two orthogonal polarizing plates.
Since the IPS modes are simple to fabricate and have a wide viewing angle, they are the most attractive method capable of improving viewing angle characteristics and realizing large-area display.
The in-plane switching mode (i.e., IPS mode) requires only a linearly polarizing plate without a compensation film, but its response speed is too slow to display a fast moving picture. Therefore, the IPS type display liquid crystal is required to have a faster response speed than the conventional TN-TFT type display mode.
However, because of the complexity of liquid crystal mixed crystal modulation, from the viewpoint of the modulation of the liquid crystal composition material, the properties of the material (low optical anisotropy value, high dielectric anisotropy value, high resistivity, low rotational viscosity, low melting point, high clearing point, good thermal stability and ultraviolet stability, etc.) are mutually hampered, and the improvement of the properties on the one hand is accompanied by the reduction of the properties on the other hand, and it is very difficult to modulate a liquid crystal composition having suitable properties on the other hand.
In the prior art, the liquid crystal material in the in-plane switching mode (i.e. IPS mode) is susceptible to temperature disturbance, which causes light scattering, and further causes dark state light leakage and insufficient contrast, as in the document, "review and look ahead of the development of the in-plane switching liquid crystal display panel". Meanwhile, the problems of insufficient response speed, high driving voltage, low aperture ratio and the like exist.
An electric field for controlling the arrangement state of liquid crystal molecules in the IPS mode is applied through corresponding electrodes on the lower substrate; since the distance between the adjacent electrodes is larger than the upper and lower glass substrates of the ordinary TN mode liquid crystal cell, the electric field strength between the two electrodes is relatively weak (compared with the ordinary TN mode) at the same driving voltage, and as a result, the response speed becomes slow. In order to increase the response speed, the driving voltage must be increased, thereby increasing the power consumption.
Therefore, there is a need for a liquid crystal composition that needs to have a distortion elastic constant K22The larger value material reduces the intrinsic dark state light leakage of the IPS at room temperature, or enhances the contrast ratio with the optimized cell retardation amount, so that the in-plane switching mode (i.e., IPS mode) has the characteristics of a darker dark state and a higher contrast ratio. Meanwhile, the composition can realize quick response, and has the performances of low rotational viscosity, appropriately high optical anisotropy, high dielectric anisotropy, good thermal stability, ultraviolet stability and the like.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a liquid crystal composition suitable for an IPS mode of an active matrix, which can realize quick response, has proper high optical anisotropy, has a smaller rotation viscosity coefficient and a larger dielectric anisotropy, further shortens the response time (rise time and fall time) of a display and reduces the driving voltage, thereby reducing the power consumption, and simultaneously has good performances such as thermal stability, ultraviolet stability and the like.
The technical scheme is as follows: in order to accomplish the above object, the present invention provides a liquid crystal composition suitable for an in-plane switching mode, wherein the liquid crystal composition comprises:
one or more compounds with the general formula I accounting for 10-30% of the total weight of the liquid crystal composition
One or more compounds with a general formula II accounting for 10-25% of the total weight of the liquid crystal composition
At least one compound of formula III-1 and/or at least one compound of formula III-2 in an amount of 5-25% by weight based on the total weight of the liquid crystal composition
At least one compound of a general formula IV-1 and/or at least one compound of a general formula IV-2 accounting for 1-20 percent of the total weight of the liquid crystal composition
At least one compound of formula V-1 and/or at least one compound of formula V-2 in an amount of 1-15% by weight based on the total weight of the liquid crystal composition
One or more compounds of the general formula VI accounting for 35-60 percent of the total weight of the liquid crystal composition
From 0 to 15% by weight, based on the total weight of the liquid-crystalline composition, of one or more compounds of the general formula VII-1 and/or VII-2
Wherein,
R1、R2、R3、R4、R5、R6、R7、R8、R9、R10、R11、R12、R13、R14and R15The same or different, each independently represents an alkyl group or an alkoxy group having 1 to 7 carbon atoms, a fluoroalkyl group or a fluoroalkoxy group having 1 to 7 carbon atoms, or an alkenyl group or an alkenyloxy group having 2 to 7 carbon atoms;
L1represents H or F;
ring (C)To representOr
Preferably, in some embodiments of the present invention, the compound of formula i is selected from 10 to 20% by weight of the total liquid crystal composition; the compound of the general formula II accounts for 10-20% of the total weight of the liquid crystal composition; the compound of the general formula III-1 and/or III-2 accounts for 5-20% of the total weight of the liquid crystal composition; the compound of the general formula IV-1 and/or IV-2 accounts for 1-10% of the total weight of the liquid crystal composition; the compound of the general formula V-1 and/or V-2 accounts for 1 to 10 percent of the total weight of the liquid crystal composition; the compound of the general formula VI accounts for 40-50% of the total weight of the liquid crystal composition; the compounds of the general formula VII-1 and/or VII-2 represent 0 to 10% by weight of the total liquid crystal composition.
As a preferred embodiment, in some embodiments of the present invention, the compound of formula i is selected from one or more compounds of the group consisting of:
the compound of the general formula I has the advantages of high dielectric anisotropy and wide phase width temperature, and a great deal of experimental research shows that when the compound of the general formula I is used as one of the compositions in a coplanar switching mode, the driving voltage of the liquid crystal composition in a device can be effectively reduced, so that the power consumption is obviously reduced, and the miscibility of liquid crystal can be effectively improved.
In some embodiments of the invention, the compound of formula ii is selected from one or more compounds of the group consisting of:
the compound of the general formula II has high transparent point temperature and appropriate dielectric anisotropy, and a great deal of experimental research shows that when the compound of the general formula II is used as one of the compositions in a coplanar switching mode, the upper limit temperature of the liquid crystal phase of the liquid crystal composition can be effectively improved, the influence of the temperature on the display picture of the liquid crystal composition in a device can be effectively reduced, and meanwhile, the driving voltage and the power consumption are reduced to a certain extent.
In some embodiments of the invention, the compound of formula III-1 is selected from one or more compounds from the group consisting of:
the compound of the general formula III-1 has proper dielectric anisotropy and performance of a transparent point, and a large number of experimental researches show that when the compound of the general formula III-1 is used as one of compositions in a coplanar switching mode, the liquid crystal composition has the advantages of reducing driving voltage and power consumption and effectively improving low-temperature miscibility by utilizing homologues.
In some embodiments of the invention, the compound of formula III-2 is selected from one or more compounds of the group consisting of:
the compound of the general formula III-2 has proper dielectric anisotropy and performance of a transparent point, and a large number of experimental researches show that when the compound of the general formula III-2 is applied to a coplanar switching mode as one of compositions, the liquid crystal composition has the advantages of reducing driving voltage and power consumption and effectively improving low-temperature miscibility by utilizing homologues.
In some embodiments of the invention, the compound of formula IV-1 is selected from one or more compounds in the group consisting of:
the compound of the general formula IV-1 has proper dielectric anisotropy and performance of a transparent point, and a large number of experimental researches show that when the compound of the general formula IV-1 is used as one of compositions in a coplanar switching mode, the liquid crystal composition has the advantages of reducing driving voltage and power consumption and effectively improving low-temperature miscibility by utilizing homologues.
In some embodiments of the invention, the compound of formula IV-2 is selected from one or more compounds of the group consisting of:
a great deal of experimental research shows that when the compound of the general formula IV-2 is used as one of the compositions in a coplanar switching mode, the liquid crystal composition has the advantages of effectively reducing the driving voltage of the liquid crystal composition in a device, obviously reducing the power consumption and effectively improving the miscibility of liquid crystal.
In some embodiments of the invention, the compound of formula V-1 is selected from one or more compounds in the group consisting of:
the compound of the general formula V-1 has the properties of higher transparent point, proper optical anisotropy and lower rotational viscosity, and a great deal of experimental research shows that when the compound of the general formula V-1 is applied to a coplanar switching mode as one of the compositions, the liquid crystal composition has the advantages of being beneficial to mutual solubility of the compounds, increasing the nematic phase width, effectively adjusting the optical anisotropy of the liquid crystal mixture and enabling the liquid crystal mixture and a device to achieve the best retardation.
In some embodiments of the invention, the compound of formula V-2 is selected from one or more compounds of the group consisting of:
the compound of the general formula V-2 has large optical anisotropy and high transparency, and a great deal of experimental research shows that when the compound of the general formula V-2 is used as one of the compositions in a coplanar switching mode, the liquid crystal composition can have the optical anisotropy capable of effectively adjusting a liquid crystal mixture, so that the optimal retardation between the liquid crystal mixture and a device is achieved.
In some embodiments of the invention, the compound of formula vi is selected from one or more compounds of the group consisting of:
the compound of the general formula VI has the performance of smaller transparent point and small optical anisotropy, and a great deal of experimental research shows that when the compound of the general formula VI is used as one of the compositions in a coplanar switching mode, the liquid crystal composition has the advantages of being beneficial to mutual solubility of the compounds, increasing nematic phase width, effectively adjusting the optical anisotropy of the liquid crystal mixture and enabling the liquid crystal mixture and a device to achieve the best retardation.
In some embodiments of the invention, the compound of formula VII-1 is selected from one or more compounds from the group consisting of:
the compound of the general formula VII-1 has the properties of higher transparent point, proper optical anisotropy and lower rotational viscosity, and a great deal of experimental research shows that when the compound of the general formula VII-1 is used as one of the compositions in a coplanar switching mode, the liquid crystal composition can have the advantage of improving the low-temperature miscibility of liquid crystal.
In some embodiments of the invention, the compound of formula VII-2 is selected from one or more compounds from the group consisting of:
the compound of the general formula VII-2 has high transparency point and large optical anisotropy, and a great deal of experimental research shows that when the compound of the general formula VII-2 is used in a coplanar switching mode as one of the compositions, the liquid crystal composition has the advantages of widening nematic phase, effectively adjusting the optical anisotropy of the liquid crystal mixture and enabling the liquid crystal mixture and a device to achieve the optimal retardation, and the defect that the miscibility of the compound is poor, and the problem can be adjusted through other liquid crystal monomer components in the liquid crystal composition, so that the problem of poor miscibility of the compound is solved.
In another aspect of the invention, an electro-optical liquid crystal display is provided, comprising the liquid crystal composition of the invention.
Still another aspect of the present invention provides an active matrix addressed IPS mode liquid crystal display device comprising the liquid crystal composition of the present invention.
Has the advantages that: the liquid crystal medium comprising the liquid crystal composition has the characteristics of high response speed, low rotational viscosity, high clearing point, appropriately high optical anisotropy, high dielectric anisotropy and the like, and an IPS mode liquid crystal display device using the liquid crystal composition has the advantages of high response speed, high clearing point, low driving voltage and the like.
In some embodiments of the present invention, the liquid crystal composition obtained by optimally combining and proportioning a large number of known liquid crystal compounds has a clearing point Cp between 80-100 ℃, preferably between 83-95 ℃; the viscosity eta is between 9 and 15mpa.s, preferably between 10 and 13mpa.s (20 ℃); an optical anisotropy Δ n of between 0.090 and 0.115, preferably between 0.095 and 0.110 (25 ℃); the dielectric anisotropy Delta is between 7.0 and 11.0, preferably between 7.3 and 10.5 (25 ℃).
Compared with the prior art, the liquid crystal composition provided by the invention has more accurate performance value, and the liquid crystal composition is more suitable for an IPS mode display device, so that the IPS mode display device has the advantages of high response speed, low driving voltage and the like.
The liquid crystal composition of the present invention may also further contain additives known to those skilled in the art and described in the literature, such as pleochroic dyes, chiral agents, antistatic agents, and the like.
In the present invention, unless otherwise specified, the proportions are weight ratios, all temperatures are in degrees centigrade, and the thickness of the box selected for the response time data test is 7 μm.
Detailed Description
The invention will be illustrated below with reference to specific embodiments. It should be noted that the following examples are illustrative of the present invention, and are not intended to limit the present invention. Other combinations and various modifications within the spirit or scope of the present invention may be made without departing from the spirit or scope of the present invention.
For convenience of expression, in the following examples, the group structure of the liquid crystal composition is represented by the code listed in Table 1:
TABLE 1 radical structural code of liquid crystal compounds
Compounds of the following formula are exemplified:
the structural formula is represented by the code listed in Table 1, and can be expressed as: nCCGF, wherein n in the code represents the number of C atoms of the left alkyl group, for example, n is 3, namely, the alkyl group is-C3H7(ii) a C in the code represents cyclohexane, and G represents 2-fluoro-1, 4-phenylene.
The abbreviated codes of the test items in the following examples are as follows:
Cp(℃): clearing points (nematic-isotropic phase transition temperature)
Δn: Optical anisotropy (589 nm, 25 ℃ C.)
Δε: Dielectric anisotropy (1 KHz, 25 ℃ C.)
γ1: Torsional viscosity (mPas at 20 ℃ C.)
η: Flow viscosity (mpa.s, 20 ℃ C. unless otherwise stated)
Wherein, the refractive index anisotropy is obtained by testing an Abbe refractometer under a sodium lamp (589 nm) light source at 25 ℃; the dielectric test cell was of the type TN90, the cell thickness being 7 μm.
The components used in the following examples can be synthesized by the inventors of the present application according to a known method or by appropriately combining methods in organic synthesis chemistry. These synthesis techniques are conventional, and the resulting liquid crystal compounds were tested to meet the standards for electronic compounds. Methods for introducing a target end group, ring structure and binding group into a starting material are described in publications such as organic synthesis (organic syntheses, john wiley & Sons, Inc), organic reactions (organic reactions, john wiley & Sons, Inc), comprehensive organic synthesis (comprehensive organic synthesis, pergamon press), and new experimental chemistry lecture (pill corp.).
Liquid crystal compositions were prepared according to the compounding ratios of the liquid crystal compositions specified in the following examples. The liquid crystal composition is prepared according to the conventional method in the field, such as heating, ultrasonic wave, suspension and the like, and is mixed according to the specified proportion.
Liquid crystal compositions given in the following examples were prepared and studied. The composition of each liquid crystal composition and the results of the performance parameter test thereof are shown below.
Tables 2, 3 and 4 show the components and ratios of the liquid crystal composition of the comparative example and the results of the performance test conducted by filling the liquid crystal composition between two substrates of a liquid crystal display, so as to compare the performance with the liquid crystal composition of the present invention.
Comparative example 1
The liquid crystal composition of comparative example 1, which was filled between two substrates of a liquid crystal display and subjected to a performance test, was prepared according to the compounds and weight percentages listed in table 2, and the test data are shown in the following table:
TABLE 2 liquid crystal composition formulations and their test properties
Comparative example 2
The liquid crystal composition of comparative example 2, which was filled between two substrates of a liquid crystal display and subjected to a performance test, was prepared according to the compounds and weight percentages listed in table 3, and the test data are shown in the following table:
TABLE 3 liquid crystal composition formula and its test performance
Comparative example 3
The liquid crystal composition of comparative example 3, which was filled between two substrates of a liquid crystal display and subjected to a performance test, was prepared according to the compounds and weight percentages listed in table 4, and the test data are shown in the following table:
TABLE 4 liquid crystal composition formula and its test performance
Example 1
The liquid crystal composition of example 1 was prepared according to the compounds and weight percentages listed in table 5, and filled between two substrates of a liquid crystal display for performance testing, and the test data are shown in the following table:
TABLE 5 liquid crystal composition formulations and their test properties
Example 2
The liquid crystal composition of example 2 was prepared according to the compounds and weight percentages listed in table 6, and filled between two substrates of a liquid crystal display for performance testing, and the test data are shown in the following table:
TABLE 6 liquid crystal composition formula and its test performance
Example 3
The liquid crystal composition of example 3 was prepared according to the compounds and weight percentages listed in table 7, and filled between two substrates of a liquid crystal display for performance testing, and the test data are shown in the following table:
TABLE 7 liquid crystal composition formulations and their test properties
Example 4
The liquid crystal composition of example 4 was prepared according to the compounds and weight percentages listed in table 8, and filled between two substrates of a liquid crystal display for performance testing, and the test data are shown in the following table:
TABLE 8 liquid crystal composition formulations and their test properties
Example 5
The liquid crystal composition of example 5 was prepared according to the compounds and weight percentages listed in table 9, and filled between two substrates of a liquid crystal display for performance testing, and the test data are shown in the following table:
TABLE 9 liquid crystal composition formulations and their test properties
Example 6
The liquid crystal composition of example 6 was prepared according to the compounds and weight percentages listed in table 10, and filled between two substrates of a liquid crystal display for performance testing, and the test data are shown in the following table:
TABLE 10 liquid crystal composition formulations and their test properties
Example 7
The liquid crystal composition of example 7 was prepared according to the compounds and weight percentages listed in table 11, and filled between two substrates of a liquid crystal display for performance testing, and the test data are shown in the following table:
TABLE 11 liquid crystal composition formulations and their test properties
Example 8
The liquid crystal composition of example 8 was prepared according to the compounds and weight percentages listed in table 12, and filled between two substrates of a liquid crystal display for performance testing, the test data are shown in the following table:
TABLE 12 liquid crystal composition formulations and their test properties
Example 9
The liquid crystal composition of example 9 was prepared according to the compounds and weight percentages listed in table 13, and filled between two substrates of a liquid crystal display for performance testing, and the test data are shown in the following table:
TABLE 13 liquid crystal composition formulations and their test properties
Example 10
The liquid crystal composition of example 10 was prepared according to the compounds and weight percentages listed in table 14, and filled between two substrates of a liquid crystal display for performance testing, and the test data are shown in the following table:
TABLE 14 liquid crystal composition formulations and their test properties
Example 11
The liquid crystal composition of example 11, prepared with the compounds and weight percentages listed in table 15, was filled between two substrates of a liquid crystal display and tested for performance, the test data are shown in the following table:
TABLE 15 liquid crystal composition formulations and their test properties
Example 12
The liquid crystal composition of example 12 was prepared according to the compounds and weight percentages listed in table 16, and filled between two substrates of a liquid crystal display for performance testing, the test data are shown in the following table:
TABLE 16 liquid crystal composition formulations and their test properties
The performance test results of the above examples 1 to 12 with different composition ratios show that the liquid crystal composition of the present invention has the characteristics of fast response speed, low rotational viscosity, high clearing point, appropriately high optical anisotropy, high dielectric anisotropy, etc., so that the liquid crystal display device using the liquid crystal composition can have the advantages of fast response, high clearing point, low driving voltage, etc. Meanwhile, the liquid crystal composition has higher torsional elastic constant K22Therefore, the problem of intrinsic dark state light leakage of IPS at room temperature can be greatly reduced, and remarkable technical progress is achieved.
It is to be noted that although the invention has been described in detail hereinabove with respect to a general description and specific embodiments thereof, it is obvious that modifications and improvements may be made thereto by those skilled in the art based on the present invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (14)

1. A liquid crystal composition suitable for use in an in-plane switching mode, said liquid crystal composition comprising:
one or more compounds with the general formula I accounting for 10-30% of the total weight of the liquid crystal composition
One or more compounds with a general formula II accounting for 10-25% of the total weight of the liquid crystal composition
At least one compound of formula III-1 and/or at least one compound of formula III-2 in an amount of 5-25% by weight based on the total weight of the liquid crystal composition
At least one compound of a general formula IV-1 and/or at least one compound of a general formula IV-2 accounting for 1-20 percent of the total weight of the liquid crystal composition
At least one compound of formula V-1 and/or at least one compound of formula V-2 in an amount of 1-15% by weight based on the total weight of the liquid crystal composition
One or more compounds of the general formula VI accounting for 35-60 percent of the total weight of the liquid crystal composition
And 0 to 15 percent of one or more compounds of the general formula VII-1 and/or the general formula VII-2 based on the total weight of the liquid crystal composition
Wherein,
R1、R2、R3、R4、R5、R6、R7、R8、R9、R10、R11、R12、R13、R14and R15The same or different, each independently represents an alkyl group or an alkoxy group having 1 to 7 carbon atoms, a fluoroalkyl group or a fluoroalkoxy group having 1 to 7 carbon atoms, or an alkenyl group or an alkenyloxy group having 2 to 7 carbon atoms;
L1represents H or F;
ring (C)To representOr
2. The liquid crystal composition suitable for in-plane switching mode according to claim 1, wherein said compound of formula i comprises 10-20% by weight of the total liquid crystal composition; the compound of the general formula II accounts for 10-20% of the total weight of the liquid crystal composition; the compound of the general formula III-1 and/or III-2 accounts for 5-20% of the total weight of the liquid crystal composition; the compound of the general formula IV-1 and/or IV-2 accounts for 1-10% of the total weight of the liquid crystal composition; the compound of the general formula V-1 and/or V-2 accounts for 1 to 10 percent of the total weight of the liquid crystal composition; the compound of the general formula VI accounts for 40-50% of the total weight of the liquid crystal composition; the compounds of the general formula VII-1 and/or VII-2 represent 0 to 10% by weight of the total liquid crystal composition.
3. The liquid crystal composition suitable for in-plane switching mode according to claim 2, wherein said compound of formula i is one or more compounds selected from the group consisting of:
4. the liquid crystal composition suitable for in-plane switching mode according to claim 2, wherein said compound of formula ii is one or more compounds selected from the group consisting of:
5. the liquid crystal composition suitable for use in-plane switching mode according to claim 2, wherein said compound of formula iii-1 is one or more compounds selected from the group consisting of:
the compound of the general formula III-2 is selected from one or more compounds of the group consisting of:
6. the liquid crystal composition suitable for in-plane switching mode according to claim 2, wherein the compound of formula iv-1 is one or more compounds selected from the group consisting of:
the compound of the general formula IV-2 is selected from one or more compounds in the group consisting of:
7. the liquid crystal composition suitable for use in an in-plane switching mode according to claim 2, wherein said compound of formula v-1 is one or more compounds selected from the group consisting of:
the compound of formula V-2 is selected from one or more compounds of the group consisting of:
8. the liquid crystal composition suitable for use in an in-plane switching mode according to claim 2, wherein the compound of formula vi is one or more compounds selected from the group consisting of:
9. the liquid crystal composition suitable for use in the in-plane switching mode according to claim 2, wherein said compound of formula vii-1 is selected from one or more compounds selected from the group consisting of:
the compound of the general formula VII-2 is selected from one or more compounds in the group consisting of:
10. the liquid crystal composition suitable for use in an in-plane switching mode according to any one of claims 3 to 9, wherein the liquid crystal composition comprises:
7% of compound V-2-2 by weight of the total liquid crystal composition;
compound III-1-2 accounting for 5 percent of the total weight of the liquid crystal composition;
compound III-2-1 accounting for 6 percent of the total weight of the liquid crystal composition;
a compound IV-1-2 accounting for 5 percent of the total weight of the liquid crystal composition;
compound II-2 accounting for 5 percent of the total weight of the liquid crystal composition;
compound II-1 accounting for 4 percent of the total weight of the liquid crystal composition;
a compound II-3 accounting for 4 percent of the total weight of the liquid crystal composition;
7% of compound VII-1-2 by weight of the total liquid crystal composition;
a compound VI-1 accounting for 47 percent of the total weight of the liquid crystal composition;
compound I-3 accounting for 5 percent of the total weight of the liquid crystal composition; and
5 percent of compound I-2 accounting for the total weight of the liquid crystal composition,
or the liquid crystal composition comprises:
7% of compound V-2-2 by weight of the total liquid crystal composition;
compound III-1-6 accounting for 6 percent of the total weight of the liquid crystal composition;
compound III-2-1 accounting for 5 percent of the total weight of the liquid crystal composition;
a compound IV-1-2 accounting for 5 percent of the total weight of the liquid crystal composition;
compound II-2 accounting for 5 percent of the total weight of the liquid crystal composition;
compound II-1 accounting for 4 percent of the total weight of the liquid crystal composition;
a compound II-3 accounting for 4 percent of the total weight of the liquid crystal composition;
7% of compound VII-1-2 by weight of the total liquid crystal composition;
a compound VI-1 accounting for 47 percent of the total weight of the liquid crystal composition;
compound I-3 accounting for 5 percent of the total weight of the liquid crystal composition; and
5 percent of compound I-2 accounting for the total weight of the liquid crystal composition,
or the liquid crystal composition comprises:
compound III-1-1 accounting for 6 percent of the total weight of the liquid crystal composition;
compound III-1-2 accounting for 8 percent of the total weight of the liquid crystal composition;
compound II-2 accounting for 5 percent of the total weight of the liquid crystal composition;
compound II-1 accounting for 4 percent of the total weight of the liquid crystal composition;
a compound II-3 accounting for 4 percent of the total weight of the liquid crystal composition;
compound II-6 accounting for 5 percent of the total weight of the liquid crystal composition;
5% of compound VII-1-2 by weight of the total liquid crystal composition;
a compound V-1-1 accounting for 3 percent of the total weight of the liquid crystal composition;
42 percent of compound VI-1 based on the total weight of the liquid crystal composition;
a compound IV-2-2 accounting for 7 percent of the total weight of the liquid crystal composition;
compound I-3 accounting for 5 percent of the total weight of the liquid crystal composition; and
6 percent of compound I-2 accounting for the total weight of the liquid crystal composition,
or the liquid crystal composition comprises:
compound III-1-1 accounting for 6 percent of the total weight of the liquid crystal composition;
compound III-2-2 in an amount of 8% by weight based on the total weight of the liquid crystal composition;
compound II-2 accounting for 5 percent of the total weight of the liquid crystal composition;
compound II-1 accounting for 4 percent of the total weight of the liquid crystal composition;
a compound II-3 accounting for 4 percent of the total weight of the liquid crystal composition;
compound II-6 accounting for 5 percent of the total weight of the liquid crystal composition;
5% of compound VII-1-2 by weight of the total liquid crystal composition;
a compound V-1-2 accounting for 2 percent of the total weight of the liquid crystal composition;
43 percent of compound VI-1 based on the total weight of the liquid crystal composition;
a compound IV-2-2 accounting for 7 percent of the total weight of the liquid crystal composition;
compound I-3 accounting for 5 percent of the total weight of the liquid crystal composition; and
6 percent of compound I-2 accounting for the total weight of the liquid crystal composition,
or the liquid crystal composition comprises:
7.5 percent of compound III-1-6 based on the total weight of the liquid crystal composition;
compound III-1-2 accounting for 2 percent of the total weight of the liquid crystal composition;
compound II-2 accounting for 8 percent of the total weight of the liquid crystal composition;
compound II-1 accounting for 5 percent of the total weight of the liquid crystal composition;
a compound II-3 accounting for 3 percent of the total weight of the liquid crystal composition;
a compound IV-1-1 accounting for 5 percent of the total weight of the liquid crystal composition;
a compound IV-1-2 accounting for 5 percent of the total weight of the liquid crystal composition;
compound V-1-4 accounting for 4 percent of the total weight of the liquid crystal composition;
34.5 percent of compound VI-1 based on the total weight of the liquid crystal composition;
a compound VI-2 accounting for 14 percent of the total weight of the liquid crystal composition;
compound I-3 accounting for 6 percent of the total weight of the liquid crystal composition; and
6 percent of compound I-2 accounting for the total weight of the liquid crystal composition,
or the liquid crystal composition comprises:
compound III-1-2 accounting for 9 percent of the total weight of the liquid crystal composition;
compound II-2 accounting for 8 percent of the total weight of the liquid crystal composition;
compound II-1 accounting for 5 percent of the total weight of the liquid crystal composition;
a compound II-3 accounting for 3 percent of the total weight of the liquid crystal composition;
a compound IV-1-1 accounting for 5 percent of the total weight of the liquid crystal composition;
a compound IV-1-2 accounting for 5 percent of the total weight of the liquid crystal composition;
compound V-1-4 accounting for 4 percent of the total weight of the liquid crystal composition;
a compound VI-1 accounting for 35 percent of the total weight of the liquid crystal composition;
a compound VI-2 accounting for 14 percent of the total weight of the liquid crystal composition;
compound I-3 accounting for 6 percent of the total weight of the liquid crystal composition; and
6 percent of compound I-2 accounting for the total weight of the liquid crystal composition,
or the liquid crystal composition comprises:
compound III-1-1 accounting for 6 percent of the total weight of the liquid crystal composition;
compound III-1-6 accounting for 8 percent of the total weight of the liquid crystal composition;
compound II-2 accounting for 5 percent of the total weight of the liquid crystal composition;
compound II-1 accounting for 4 percent of the total weight of the liquid crystal composition;
a compound II-3 accounting for 4 percent of the total weight of the liquid crystal composition;
compound II-6 accounting for 5 percent of the total weight of the liquid crystal composition;
5% of compound VII-1-2 by weight of the total liquid crystal composition;
a compound V-1-1 accounting for 3 percent of the total weight of the liquid crystal composition;
42 percent of compound VI-1 based on the total weight of the liquid crystal composition;
a compound IV-2-2 accounting for 7 percent of the total weight of the liquid crystal composition;
compound I-3 accounting for 5 percent of the total weight of the liquid crystal composition; and
6 percent of compound I-2 accounting for the total weight of the liquid crystal composition,
or the liquid crystal composition comprises:
compound III-1-1 accounting for 6 percent of the total weight of the liquid crystal composition;
4% of compound III-1-6 by weight of the total liquid crystal composition;
compound III-2-2 in an amount of 4% by weight based on the total weight of the liquid crystal composition;
compound II-2 accounting for 5 percent of the total weight of the liquid crystal composition;
compound II-1 accounting for 4 percent of the total weight of the liquid crystal composition;
a compound II-3 accounting for 4 percent of the total weight of the liquid crystal composition;
compound II-6 accounting for 5 percent of the total weight of the liquid crystal composition;
5% of compound VII-1-2 by weight of the total liquid crystal composition;
a compound V-1-2 accounting for 2 percent of the total weight of the liquid crystal composition;
43 percent of compound VI-1 based on the total weight of the liquid crystal composition;
a compound IV-2-2 accounting for 7 percent of the total weight of the liquid crystal composition;
compound I-3 accounting for 5 percent of the total weight of the liquid crystal composition; and
6 percent of compound I-2 accounting for the total weight of the liquid crystal composition,
or the liquid crystal composition comprises:
2% by weight of compound VII-2-1 based on the total weight of the liquid crystal composition;
a compound V-2-2 accounting for 5 percent of the total weight of the liquid crystal composition;
compound III-1-6 accounting for 6 percent of the total weight of the liquid crystal composition;
compound III-2-1 accounting for 5 percent of the total weight of the liquid crystal composition;
a compound IV-1-2 accounting for 5 percent of the total weight of the liquid crystal composition;
compound II-2 accounting for 5 percent of the total weight of the liquid crystal composition;
compound II-1 accounting for 4 percent of the total weight of the liquid crystal composition;
a compound II-3 accounting for 4 percent of the total weight of the liquid crystal composition;
7% of compound VII-1-2 by weight of the total liquid crystal composition;
a compound VI-1 accounting for 47 percent of the total weight of the liquid crystal composition;
compound I-3 accounting for 5 percent of the total weight of the liquid crystal composition; and
compound I-2 accounting for 5 percent of the total weight of the liquid crystal composition;
or the liquid crystal composition comprises:
2% by weight of compound VII-2-1 based on the total weight of the liquid crystal composition;
a compound V-2-2 accounting for 5 percent of the total weight of the liquid crystal composition;
compound III-1-6 accounting for 6 percent of the total weight of the liquid crystal composition;
compound III-2-1 in an amount of 4% by weight based on the total weight of the liquid crystal composition;
a compound IV-1-2 accounting for 4 percent of the total weight of the liquid crystal composition;
compound II-2 accounting for 5 percent of the total weight of the liquid crystal composition;
compound II-1 accounting for 4 percent of the total weight of the liquid crystal composition;
a compound II-3 accounting for 4 percent of the total weight of the liquid crystal composition;
7% of compound VII-1-2 by weight of the total liquid crystal composition;
42 percent of compound VI-1 based on the total weight of the liquid crystal composition;
a compound IV-2-2 accounting for 3 percent of the total weight of the liquid crystal composition;
a compound IV-2-1 accounting for 4 percent of the total weight of the liquid crystal composition;
compound I-3 accounting for 5 percent of the total weight of the liquid crystal composition; and
5 percent of compound I-2 accounting for the total weight of the liquid crystal composition,
or the liquid crystal composition comprises:
2% by weight of compound VII-2-1 based on the total weight of the liquid crystal composition;
a compound V-2-2 accounting for 5 percent of the total weight of the liquid crystal composition;
compound III-1-2 accounting for 6 percent of the total weight of the liquid crystal composition;
compound III-2-1 in an amount of 4% by weight based on the total weight of the liquid crystal composition;
a compound IV-1-2 accounting for 4 percent of the total weight of the liquid crystal composition;
compound II-2 accounting for 5 percent of the total weight of the liquid crystal composition;
compound II-1 accounting for 4 percent of the total weight of the liquid crystal composition;
a compound II-3 accounting for 4 percent of the total weight of the liquid crystal composition;
7% of compound VII-1-2 by weight of the total liquid crystal composition;
42 percent of compound VI-1 based on the total weight of the liquid crystal composition;
a compound IV-2-2 accounting for 3 percent of the total weight of the liquid crystal composition;
a compound IV-2-1 accounting for 4 percent of the total weight of the liquid crystal composition;
compound I-3 accounting for 5 percent of the total weight of the liquid crystal composition; and
5 percent of compound I-2 accounting for the total weight of the liquid crystal composition,
or the liquid crystal composition comprises:
a compound V-2-2 accounting for 4 percent of the total weight of the liquid crystal composition;
compound III-1-2 accounting for 6 percent of the total weight of the liquid crystal composition;
compound III-2-1 in an amount of 4% by weight based on the total weight of the liquid crystal composition;
a compound IV-1-2 accounting for 4 percent of the total weight of the liquid crystal composition;
a compound II-2 accounting for 7 percent of the total weight of the liquid crystal composition;
compound II-1 accounting for 4 percent of the total weight of the liquid crystal composition;
a compound II-3 accounting for 4 percent of the total weight of the liquid crystal composition;
7% of compound VII-1-2 by weight of the total liquid crystal composition;
43 percent of compound VI-1 based on the total weight of the liquid crystal composition;
a compound IV-2-2 accounting for 4 percent of the total weight of the liquid crystal composition;
a compound IV-2-1 accounting for 5 percent of the total weight of the liquid crystal composition;
compound I-3 accounting for 4 percent of the total weight of the liquid crystal composition; and
and 4% of compound I-2 based on the total weight of the liquid crystal composition.
11. An electro-optical liquid crystal display, characterized in that it comprises a liquid crystal composition according to any one of claims 1 to 9.
12. An electro-optical liquid crystal display, characterized in that it comprises a liquid crystal composition according to claim 10.
13. An active matrix addressed liquid crystal display device of IPS mode comprising a liquid crystal composition according to any one of claims 1 to 9.
14. An active matrix addressed IPS mode liquid crystal display device comprising the liquid crystal composition of claim 10.
CN201410089019.8A 2014-03-11 2014-03-11 Liquid crystal composition suitable for coplanar transition mode, and application thereof Pending CN104910923A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410089019.8A CN104910923A (en) 2014-03-11 2014-03-11 Liquid crystal composition suitable for coplanar transition mode, and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410089019.8A CN104910923A (en) 2014-03-11 2014-03-11 Liquid crystal composition suitable for coplanar transition mode, and application thereof

Publications (1)

Publication Number Publication Date
CN104910923A true CN104910923A (en) 2015-09-16

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Country Link
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CN102757794A (en) * 2012-07-13 2012-10-31 江苏和成显示科技股份有限公司 Liquid crystal composition and display device thereof
CN102888228A (en) * 2012-10-13 2013-01-23 江苏和成显示科技股份有限公司 Liquid crystal composition and display comprising same
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CN101031631A (en) * 2004-10-04 2007-09-05 智索株式会社 Liquid crystal composition and liquid crystal display element
CN103058836A (en) * 2012-01-18 2013-04-24 石家庄诚志永华显示材料有限公司 Liquid crystal compound containing indan and difluoro methylenedioxy bridge, as well as preparation method and application thereof
CN102634346A (en) * 2012-03-21 2012-08-15 江苏和成显示科技股份有限公司 Liquid crystal composition and application thereof as well as liquid crystal display comprising liquid crystal composition
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