CN104629773B - Liquid crystal composition and display device thereof - Google Patents
Liquid crystal composition and display device thereof Download PDFInfo
- Publication number
- CN104629773B CN104629773B CN201310544237.1A CN201310544237A CN104629773B CN 104629773 B CN104629773 B CN 104629773B CN 201310544237 A CN201310544237 A CN 201310544237A CN 104629773 B CN104629773 B CN 104629773B
- Authority
- CN
- China
- Prior art keywords
- compound
- formula
- weight
- crystal composition
- liquid
- 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.)
- Active
Links
- 0 C[C@@](CNC)[C@](C1)([C@@]1C1CC1)C(C)(C)C* Chemical compound C[C@@](CNC)[C@](C1)([C@@]1C1CC1)C(C)(C)C* 0.000 description 2
Abstract
The invention provides a liquid crystal composition comprising at least one compound represented by the general formula I-1 and/or the general formula I-2; and at least one compound represented by the general formula II. The liquid crystal composition has the characteristics of suitable optical anisotropy, suitable dielectric anisotropy, relatively rapid response speed, wide operating temperature range and the like. The invention also provides a liquid crystal display device containing the liquid crystal composition.
Description
Technical field
The present invention relates to a kind of liquid-crystal composition, there is suitable optical anisotropy particularly to one, be suitably situated between
The liquid-crystal composition of electrical anisotropy and faster response speed, and comprise the liquid crystal display device of this liquid-crystal composition.
Background technology
Liquid crystal material is at a certain temperature, not only has the mobility of liquid but also have the anisotropic organic of crystal
The mixture of bar-shaped micromolecular compound.Liquid crystal material is mainly used as the electrolyte in display, and its reason is this kind of thing
The optical property of matter can be changed by the voltage of applying.Electrooptical devices based on liquid crystal is known to one of skill in the art
, such device is to have the battery of dynamic scattering, the DAP deformation of phase (alignment) battery, object/main body battery, have torsion
Bent the TN battery of nematic structure, STN (super-twisted nematic) battery, SBE (super birefringence effect) battery case OMI (optical mode
Formula is interfered) battery.
For liquid crystal display, possesses good chemically and thermally stability, good to electric field and electromagnetic radiation
The liquid-crystal compounds of stability, suitable optical anisotropy, faster response speed and relatively low threshold voltage is situated between with liquid crystal
Matter meets current needs.Owing to liquid crystal uses usually used as the mixture of various ingredients, dissolving each other each other between each component
Then it is particularly important, and according to different battery types and application, liquid crystal have to meet different requirements, such as conductance
Rate, dielectric anisotropy and optical anisotropy etc., but when significantly having the drawback that longer response
Between, low resistivity and operation overtension etc., such as EP0673986, DE19528106, DE19528107.
A series of compounds disclosed in up to now with liquid crystal Jie's phase do not include meeting all these aspect requirement
Monomeric compound, therefore, in liquid crystal material field, need have improve performance novel liquid crystalline compositions.Especially, for
For many application types, liquid-crystal composition must have the widest nematic phase range, suitable refractive index, dielectric respectively to different
Property and faster response speed.
Therefore, still it is highly desirable to that there is suitable optical anisotropy and dielectric anisotropy, wider operating temperature
Scope, short response time and the liquid crystal display device of good low temperature storage stability.
Summary of the invention
It is an object of the invention to provide a kind of liquid-crystal composition, it has suitable optical anisotropy, suitable dielectric
Anisotropy, wider operating temperature range and at least one in response speed characteristic, described liquid-crystal composition faster
Can be used in liquid crystal display device, make this liquid crystal display device have the characteristic of quickly response.
One aspect of the present invention provides a kind of liquid-crystal composition, comprises:
At least one formula I-1 and/or the compound of formula I-2
The compound of at least one formula II
Wherein,
R1、R2And R3Identical or different, represent alkyl or alkoxyl that carbon number is 1-7, or carbon atom independently of one another
Number is thiazolinyl or the alkenyloxy group of 2-7；
Identical or different, represent independently of one another
Represent
L1Represent H or F;
X1Represent F, CN ,-OCF3, carbon number be 1-5 alkyl or alkoxyl, or carbon number is the thiazolinyl of 2-5.
In embodiments of the invention, the most described R1、R2And R3Identical or different, represent carbon atom independently of one another
Number is the alkyl of 1-5；Described X1Represent alkyl or alkoxyl that carbon number is 1-5, or carbon number is the thiazolinyl of 2-5.
Liquid-crystal composition of the present invention also comprises:
Account for the compound of one or more general formula III of described liquid-crystal composition gross weight 1-30%
Account for the compound of one or more general formulae IV of described liquid-crystal composition gross weight 0-15%
Account for the compound of one or more formulas V of described liquid-crystal composition gross weight 1-20%
And
Account for the compound of one or more formulas VI of described liquid-crystal composition gross weight 5-40%
Wherein,
R4、R5、R6、R7、R8、R9And R10Identical or different, represent alkyl or alcoxyl that carbon number is 1-7 independently of one another
Base, or thiazolinyl that carbon number is 2-7 or alkenyloxy group；
L2And L3Identical or different, represent H or F independently of one another；
Represent
X2Represent F, CN ,-OCF3, carbon number be 1-5 alkyl or alkoxyl, or carbon number is the thiazolinyl of 2-5;
M represents 0 or 1.
In embodiments of the invention, the compound of the most described formula I-1 and/or formula I-2 accounts for described liquid crystal group
The 5-35% of compound gross weight；The compound of described formula II accounts for the 20-55% of described liquid-crystal composition gross weight；Described general formula III
Compound account for the 5-30% of described liquid-crystal composition gross weight；The compound of described general formulae IV accounts for described liquid-crystal composition gross weight
The 0-10% of amount；The compound of described formula V accounts for the 1-15% of described liquid-crystal composition gross weight；And the change of described formula VI
Compound accounts for the 5-30% of described liquid-crystal composition gross weight.
In some embodiments of the present invention, the group of the compound choosing following compound composition of described formula I-1
In one or more of compounds:
In some embodiments of the present invention, the group of the compound choosing following compound composition of described formula I-2
In one or more of compounds:
In some embodiments of the present invention, in the group of the compound choosing following compound composition of described formula II
One or more of compounds:
In some embodiments of the present invention, in the group of the compound choosing following compound composition of described general formula III
One or more of compounds:
In some embodiments of the present invention, in the group of the compound choosing following compound composition of described general formulae IV
One or more of compounds:
In some embodiments of the present invention, in the group of the compound choosing following compound composition of described formula V
One or more of compounds:
In some embodiments of the present invention, in the group of the compound choosing following compound composition of described formula VI
One or more of compounds:
Another aspect of the present invention provides a kind of liquid crystal display, and described liquid crystal display comprises the liquid crystal combination of the present invention
Thing.
The present invention by above-claimed cpd is combined experiment, by with the comparison compareed, it is determined that include above-mentioned liquid
The liquid crystal media of crystal composite, has suitable optical anisotropy, suitable dielectric anisotropy and responds speed faster
The characteristics such as degree, described liquid-crystal composition can be used in liquid crystal display device, makes this liquid crystal display device have the spy of quickly response
Property.
The most if no special instructions, described ratio is weight ratio, and all temperature are degree celsius temperature, institute
The box thickness that the test of the response time data stated is selected is 7 μm.
Detailed description of the invention
Below with reference to specific embodiments, the present invention is described.It should be noted that the following examples are the present invention
Example, be only used for the present invention is described, and be not limited to the present invention.In the case of without departing from present subject matter or scope,
Other combination and the various improvement in present inventive concept can be carried out.
For ease of expressing, in following embodiment, the code listed by unit structure table 1 of liquid-crystal composition represents:
The unit structure code of table 1 liquid-crystal compounds
As a example by the compound of following structural formula:
This structural formula code as listed by with table 2 represents, then can be expressed as: nCPUF, the n in code represents the C of left end alkyl
Atomic number, such as n are " 3 ", i.e. represent that this alkyl is-C3H7；C in code represents cyclohexyl.
In following example test event to write a Chinese character in simplified form code name as follows:
Cp(DEG C): clearing point (nematic-isotropic phase transition temperature)
Δ n: optical anisotropy (589 nm, 20 DEG C)
Δ ε: dielectric anisotropy (1 KHz, 25 DEG C)
V90: saturation voltage (character voltage when 90% relative contrast, normal white mode)
V10: threshold voltage (character voltage when 10% relative contrast, normal white mode)
η: kinematic viscosity (mm2·s-1, 25 DEG C, except as otherwise noted)
LTS: the low temperature storage time (at-30 DEG C)
Wherein, refractive anisotrop use abbe's refractometer under sodium lamp (589nm) light source, 20 DEG C test；It is situated between
Electrical testing box is TN90 type, thick 7 μm of box.
The each composition used below in an example, the compound of formula I-1 and formula I-2 can basis
Described method in CN103242860 prepares, and remaining each compound all can be synthesized by known method, or passes through
It is either commercially available.These synthetic technologys are conventional, and obtained each liquid-crystal compounds meets electrical type compound mark after tested
Accurate.
According to the proportioning of each liquid-crystal composition of following example regulation, prepare liquid-crystal composition.Described liquid-crystal composition
Preparation be to carry out according to the conventional method of this area, as take the mode ratios according to the rules such as heating, ultrasound wave, suspension mix
Close and prepare.
Reference examples 1
Be configured to the liquid-crystal composition of reference examples 1 by each compound listed in table 2 and percetage by weight, it is filled in liquid
Carrying out performance test between crystal display two substrates, test data are as shown in the table:
Table 2 liquid crystal combination composition formula and test performance thereof
Embodiment 1
Be configured to the liquid-crystal composition of embodiment 1 by each compound listed in table 3 and percetage by weight, it is filled in liquid
Carrying out performance test between crystal display two substrates, test data are as shown in the table:
Table 3 liquid crystal combination composition formula and test performance thereof
Embodiment 2
Be configured to the liquid-crystal composition of embodiment 2 by each compound listed in table 4 and percetage by weight, it is filled in liquid
Carrying out performance test between crystal display two substrates, test data are as shown in the table:
Table 4 liquid crystal combination composition formula and test performance thereof
Embodiment 3
Be configured to the liquid-crystal composition of embodiment 3 by each compound listed in table 5 and percetage by weight, it is filled in liquid
Carrying out performance test between crystal display two substrates, test data are as shown in the table:
Table 5 liquid crystal combination composition formula and test performance thereof
Embodiment 4
Be configured to the liquid-crystal composition of embodiment 4 by each compound listed in table 6 and percetage by weight, it is filled in liquid
Carrying out performance test between crystal display two substrates, test data are as shown in the table:
Table 6 liquid crystal combination composition formula and test performance thereof
With reference to reference examples 1, from the test data of above example 1,2,3 and 4, liquid crystal combination provided by the present invention
Thing has suitable optical anisotropy, suitable dielectric anisotropy, wider nematic temperature range, responds speed faster
Degree, good low temperature storage stability, improve the transmitance of liquid crystal, it is adaptable in liquid crystal display.
Claims (6)
1. a liquid-crystal composition, comprises:
At least one formula I-1 and/or the compound of formula I-2
And
The compound of at least one formula II
Wherein,
R1、R2And R3Identical or different, represent that carbon number is the alkyl of 1-5 independently of one another；
Identical or different, represent independently of one another
Represent
L1Represent H or F；
X1Represent alkyl or alkoxyl that carbon number is 1-5, or carbon number is the thiazolinyl of 2-5；
Described liquid-crystal composition also comprises:
The compound of one or more general formula III
The compound of one or more general formulae IV
The compound of one or more formulas V
And
The compound of one or more formulas VI
Wherein,
R4、R5、R6、R7、R8、R9And R10Identical or different, represent alkyl or alkoxyl that carbon number is 1-7 independently of one another,
Or thiazolinyl that carbon number is 2-7 or alkenyloxy group；
L2And L3Identical or different, represent H or F independently of one another；
Represent
X2Represent F, CN ,-OCF3, carbon number be alkyl or the alkoxyl of 1-5, or carbon number is the thiazolinyl of 2-5；
M represents 0 or 1；
The compound of described formula I-1 and/or formula I-2 accounts for the 5-35% of described liquid-crystal composition gross weight；Described formula II
Compound account for the 20-55% of described liquid-crystal composition gross weight；It is total that the compound of described general formula III accounts for described liquid-crystal composition
The 19-30% of weight；The compound of described general formulae IV accounts for the 0-10% of described liquid-crystal composition gross weight；The change of described formula V
Compound accounts for the 1-15% of described liquid-crystal composition gross weight；And the compound of described formula VI accounts for described liquid-crystal composition gross weight
The 5-30% of amount.
Liquid-crystal composition the most according to claim 1, it is characterised in that the compound choosing of described formula I-1 is as follows
One or more of compounds in the group of compound composition:
And
And
One or more of compounds in the group of the compound choosing following compound composition of described formula I-2:
And
Liquid-crystal composition the most according to claim 1, it is characterised in that compound choosing freely followingization of described formula II
One or more of compounds in the group of compound composition:
And
Liquid-crystal composition the most according to claim 1, it is characterised in that compound choosing freely followingization of described general formula III
One or more of compounds in the group of compound composition:
And
One or more of compounds in the group of the compound choosing following compound composition of described general formulae IV:
And
One or more of compounds in the group of the compound choosing following compound composition of described formula V:
And
And
One or more of compounds in the group of the compound choosing following compound composition of described formula VI:
And
5. according to the liquid-crystal composition described in any one in Claims 1-4, it is characterised in that described liquid-crystal composition bag
Contain:
The compound of the formula VI-5 of 4% (weight)；
The compound of the formula VI-6 of 5% (weight)；
The compound of the formula V-2 of 4% (weight)；
The compound of the formula V-5 of 5% (weight)；
The compound of the formula III-1 of 4% (weight)；
The compound of the formula III-2 of 4% (weight)；
The compound of the formula III-5 of 6% (weight)；
The compound of the formula III-6 of 6% (weight)；
The compound of the formula VI-1 of 5% (weight)；
The compound of the formula VI-2 of 5% (weight)；
The compound of the formula IV-2 of 5% (weight)；
The compound of the formula II-3 of 23% (weight)；
The compound of the formula II-5 of 12% (weight)；
The compound of the formula I-1-2 of 6% (weight)；And
The compound of the formula I-2-4 of 6% (weight),
Or, described liquid-crystal composition comprises:
The compound of the formula VI-6 of 3% (weight)；
The compound of the formula VI-7 of 5% (weight)；
The compound of the formula V-2 of 4% (weight)；
The compound of the formula V-3 of 5% (weight)；
The compound of the formula III-2 of 4% (weight)；
The compound of the formula III-3 of 3% (weight)；
The compound of the formula III-5 of 6% (weight)；
The compound of the formula III-6 of 6% (weight)；
The compound of the formula VI-1 of 4% (weight)；
The compound of the formula VI-2 of 5% (weight)；
The compound of the formula II-3 of 25% (weight)；
The compound of the formula II-5 of 11% (weight)；
The compound of the formula I-1-2 of 6% (weight)；
The compound of the formula I-1-3 of 7% (weight)；And
The compound of the formula I-2-4 of 6% (weight),
Or, described liquid-crystal composition comprises:
The compound of the formula VI-6 of 5% (weight)；
The compound of the formula VI-7 of 5% (weight)；
The compound of the formula VI-8 of 5% (weight)；
The compound of the formula V-2 of 5% (weight)；
The compound of the formula III-2 of 8% (weight)；
The compound of the formula III-5 of 6% (weight)；
The compound of the formula VI-1 of 3% (weight)；
The compound of the formula VI-2 of 5% (weight)；
The compound of the formula II-2 of 5% (weight)；
The compound of the formula II-3 of 25% (weight)；
The compound of the formula II-5 of 8% (weight)；
The compound of the formula I-1-2 of 4% (weight)；
The compound of the formula I-2-4 of 8% (weight)；And
The compound of the formula I-2-7 of 8% (weight),
Or, described liquid-crystal composition comprises:
The compound of the formula VI-6 of 3% (weight)；
The compound of the formula VI-7 of 5% (weight)；
The compound of the formula VI-8 of 5% (weight)；
The compound of the formula V-2 of 4% (weight)；
The compound of the formula V-3 of 5% (weight)；
The compound of the formula III-2 of 8% (weight)；
The compound of the formula III-3 of 6% (weight)；
The compound of the formula III-5 of 6% (weight)；
The compound of the formula VI-1 of 4% (weight)；
The compound of the formula VI-2 of 5% (weight)；
The compound of the formula II-3 of 20% (weight)；
The compound of the formula II-5 of 10% (weight)；
The compound of the formula I-1-2 of 6% (weight)；
The compound of the formula I-2-4 of 7% (weight)；And
The compound of the formula I-2-7 of 6% (weight).
6. a liquid crystal display, comprises the liquid-crystal composition described in any one in Claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310544237.1A CN104629773B (en) | 2013-11-06 | 2013-11-06 | Liquid crystal composition and display device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310544237.1A CN104629773B (en) | 2013-11-06 | 2013-11-06 | Liquid crystal composition and display device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104629773A CN104629773A (en) | 2015-05-20 |
| CN104629773B true CN104629773B (en) | 2017-01-11 |
Family
ID=53209028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310544237.1A Active CN104629773B (en) | 2013-11-06 | 2013-11-06 | Liquid crystal composition and display device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104629773B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108624335B (en) * | 2017-03-15 | 2020-12-18 | 北京八亿时空液晶科技股份有限公司 | Liquid crystal material and application thereof |
| CN107955631B (en) * | 2017-11-22 | 2019-11-29 | 烟台显华化工科技有限公司 | A kind of liquid-crystal composition and its application |
| CN108300489B (en) * | 2018-02-09 | 2019-11-29 | 烟台显华化工科技有限公司 | A kind of liquid-crystal composition and its application |
| CN109652094B (en) * | 2018-12-24 | 2020-07-14 | 西安彩晶光电科技股份有限公司 | Preparation method of difluoromethyl ether bridged liquid crystal monomer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1152331A (en) * | 1995-04-25 | 1997-06-18 | 智索股份有限公司 | Liquid crystal composition and liquid crystal display element |
| US20090256114A1 (en) * | 2008-04-11 | 2009-10-15 | Chisso Corporation | Liquid crystal composition and liquid crystal display device |
| US20090321684A1 (en) * | 2004-10-04 | 2009-12-31 | Chisso Corporation | Liquid crystal composition and liquid crystal display element |
| CN103242860A (en) * | 2013-05-15 | 2013-08-14 | 江苏和成显示科技股份有限公司 | Liquid crystal composition and liquid crystal display device |
-
2013
- 2013-11-06 CN CN201310544237.1A patent/CN104629773B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1152331A (en) * | 1995-04-25 | 1997-06-18 | 智索股份有限公司 | Liquid crystal composition and liquid crystal display element |
| US20090321684A1 (en) * | 2004-10-04 | 2009-12-31 | Chisso Corporation | Liquid crystal composition and liquid crystal display element |
| US20090256114A1 (en) * | 2008-04-11 | 2009-10-15 | Chisso Corporation | Liquid crystal composition and liquid crystal display device |
| CN103242860A (en) * | 2013-05-15 | 2013-08-14 | 江苏和成显示科技股份有限公司 | Liquid crystal composition and liquid crystal display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104629773A (en) | 2015-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI409320B (en) | Liquid crystal composition and liquid crystal display device | |
| JP2020516729A (en) | Liquid crystal composition and display device thereof | |
| JP6581206B2 (en) | Liquid crystal composition and liquid crystal display device | |
| CN103146392B (en) | Liquid crystal composition for liquid crystal display | |
| CN103351873B (en) | Liquid crystal composition and liquid crystal display device thereof | |
| CN104629773B (en) | Liquid crystal composition and display device thereof | |
| CN107760318A (en) | Liquid-crystal composition and liquid crystal display device | |
| CN105087017B (en) | Liquid-crystal composition and its display device with fast-response speed | |
| TWI591165B (en) | Liquid crystal composition and liquid crystal display device | |
| CN105482828A (en) | Liquid crystal composition and display device thereof | |
| TWI646174B (en) | Liquid crystal composition and display device | |
| CN104845641A (en) | Liquid crystal composition and display component using same | |
| CN104610982B (en) | Liquid-crystal composition and its liquid crystal display device | |
| KR101958398B1 (en) | Liquid crystal composition and display device with the same | |
| CN106635057B (en) | Liquid-crystal composition and liquid crystal display device | |
| CN103351875B (en) | Liquid crystal composition and liquid crystal display device thereof | |
| CN103351876B (en) | Liquid crystal composition and liquid crystal display device thereof | |
| CN104610980B (en) | Liquid-crystal composition and its display device | |
| CN104610979B (en) | Liquid crystal composition and liquid crystal display device thereof | |
| TWI487779B (en) | Liquid crystal composition and liquid crystal display device | |
| CN104610981B (en) | Liquid-crystal composition and the display comprising the liquid-crystal composition | |
| CN105586048B (en) | Liquid-crystal composition and its display device | |
| CN103351874B (en) | Liquid crystal composition and display device thereof | |
| CN105482829B (en) | Liquid-crystal composition and its display device | |
| CN103450910B (en) | Liquid crystal composition and display device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 212212 Yangtze River bridge, Jiangsu, Yangzhong, Yangzhong on the eastern side of the road Patentee after: JIANGSU HECHENG DISPLAY TECHNOLOGY Co.,Ltd. Address before: 212212 Yangtze River bridge, Jiangsu, Yangzhong, Yangzhong on the eastern side of the road Patentee before: Jiangsu Hecheng Display Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 2/F, Sino Japan Cooperation Innovation Park, No. 16 Zidan Road, Qinhuai District, Nanjing, Jiangsu Province, 210014 Patentee after: JIANGSU HECHENG DISPLAY TECHNOLOGY Co.,Ltd. Address before: 212212 East Side of Yangzhong Yangtze River Bridge, Zhenjiang City, Jiangsu Province Patentee before: JIANGSU HECHENG DISPLAY TECHNOLOGY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |