CN104531169A - Liquid crystal composite and application thereof - Google Patents
Liquid crystal composite and application thereof Download PDFInfo
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- CN104531169A CN104531169A CN201510011440.1A CN201510011440A CN104531169A CN 104531169 A CN104531169 A CN 104531169A CN 201510011440 A CN201510011440 A CN 201510011440A CN 104531169 A CN104531169 A CN 104531169A
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Abstract
The invention discloses a liquid crystal composite and application of the liquid crystal composite. The liquid crystal composite comprises 10-35% of components I, 1-70% of components II, 1-50% of components IIII and 0-30% of components IV. The liquid crystal composite is excellent in performance and has a wide nematic phase temperature range, proper dielectric anisotropy, appropriate optical anisotropy, a high charge retention rate and low rotary viscometer. The liquid crystal composite has wide application prospects and application value in liquid crystal display and is particularly applicable to manufacturing fast-response active matrix TN-TFT and IPS-TFT displayers. The formulae are defined in the specification.
Description
Technical field
The present invention relates to a kind of positive dielectric liquid crystal composite, there is the features such as high electric charge conservation rate, reduce power consumption, low rotary viscosity, be applicable in active matrix electrooptic element and liquid-crystal display.
Technical background
Display is process electrical signal (data message) being changed into visible light (visual information), complete equipment and man-machine interface (the Man-Machine Interface of display, MMI), flat-panel monitor (Flat Panel Display, FPD) is a class display equipment the most popular at present.Liquid-crystal display (Liquid Crystal Display, LCD) is developed the earliest in FPD, and the product become commercialized.At present, Thin Film Transistor-LCD (ThinFilm Transistor Liquid Crystal, TFT-LCD) has become the main product in LCD application.
The very long phase of basic research of the development experience of TFT-LCD, along with the maturation of the early 1990s TFT technology, color liquid crystal flat-panel indicating meter developed rapidly, less than the time of 10 years, TFT-LCD shoots up as main flow indicating meter, and the advantage that this and it have is undivided.The advantages such as TFT-LCD product is frivolous with it, environmental protection, high-performance, size is done larger and larger, applies more and more wider.No matter undersized Mobile phone screen or large-sized notebook computer (Notebook PC) or watch-dog (Monitor), and the LCD TV (LCDTV) maximized, be found everywhere the application of TFT-LCD, the level of automation of its manufacturing technology is high, and TFT-LCD is easy to integrated and update.
The principal feature of liquid crystal flat panel display from the above mentioned, therefore liquid crystal material quality characteristic used to liquid crystal flat panel display it is also proposed higher requirement, and liquid-crystal composition itself should have the features such as high electric charge conservation rate, high resistivity, low ion concns, reduce power consumption, low rotary viscosity.
As liquid crystal material, need that there is good high stability: ultraviolet stability, chemical stability and thermostability.And as thin-film transistor technologies (TFT-LCD) liquid crystal material, not only need to have as outside upward stability, also should have the performance such as wider nematic temperature range, suitable degree of birefringence and dielectric anisotropy, high resistivity, high electric charge conservation rate.
For thin-film transistor technologies (TFT-LCD) Application Areas, although market is very huge in recent years, technology is also ripe gradually, simultaneously, due to the continuous progress of liquid crystal material technology, people to the requirement of technique of display also in continuous raising.
Liquid crystal material, as one of important photoelectron material of liquid-crystal display, important effect to the performance improving liquid-crystal display, and the liquid crystal material continually developing new excellent performance has great importance to liquid-crystal display development.
Summary of the invention
The object of the invention there are provided a kind of liquid crystal compound, following character is fully possessed: positive dielectric anisotropy greatly in this mixture, high resistivity and voltage retention, and there is higher clearing point, low rotary viscosity, and high electric charge conservation rate can be maintained at high-temperature area, maintain the fast time of response at low-temperature region.By the adjustment to each component concentration, Nematic phase liquid crystal composition of the present invention can have different threshold voltages and birefringent characteristic, can make each individual system that client is usually used, uses under being convenient to thick at different liquid crystal cell in different driving voltage.
The invention provides a kind of liquid-crystal composition,
It is one or more general structures of 10-35% is the compound component of I that described liquid-crystal composition includes weight percent;
Also to include weight percent be one or more general structures of 1-70% is the compound component of II;
Also to include weight percent be one or more general structures of 1-50% is the compound component of III;
Wherein,
R
1, R
2, R
3, R
4be selected from H, Cl, F, CN, OCN, OCF independently of one another
3, CF
3, CHF
2, CH
2f, OCHF
2, SCN, NCS, SF
5, the alkyl of a 1-15 carbon atom, the alkoxyl group of a 1-15 carbon atom, the thiazolinyl of a 2-15 carbon atom or 2-15 carbon atom alkene oxygen base, wherein other, the one or more-CH in above-mentioned group
2-can be replaced by-CH=CH-,-C ≡ C-,-COO-,-OOC-, tetramethylene, pentamethylene ,-O-or-S-independently of one another and Sauerstoffatom is not directly connected after replacing, the one or more H in above-mentioned group can be replaced by F, Cl independently of one another;
X
1, X
2, X
3, X
4, X
5, X
6, X
7, X
8, X
9be selected from hydrogen atom, halogen atom or trifluoromethoxy independently of one another;
Z
1represent singly-bound ,-CH
2-,-CH
2-CH
2-,-(CH
2)
3-,-(CH
2)
4-,-CH=CH-,-C ≡ C-,-COO-,-OOC-,-CF
2o-,-OCH
2-,-CH
2o-,-OCF
2-,-CF
2cH
2-,-CH
2cF
2-,-C
2f
4-or-CF=CF-;
Ring A
1, A
2, A
3, A
4, A
5represent in singly-bound or following group independently of one another one or more:
A, b, c, d represent 0,1,2 or 3 independently of one another.
It is the compound component of IV that liquid-crystal composition provided by the present invention can also include one or more general structures that weight percent is less than or equal to 30%;
Wherein,
R
5, R
6be selected from H, Cl, F, CN, OCN, OCF independently of one another
3, CF
3, CHF
2, CH
2f, OCHF
2, SCN, NCS, SF
5, the alkyl of a 1-15 carbon atom, the alkoxyl group of a 1-15 carbon atom, the thiazolinyl of a 2-15 carbon atom or 2-15 carbon atom alkene oxygen base, wherein other, the one or more-CH in above-mentioned group
2-can be replaced by-CH=CH-,-C ≡ C-,-COO-,-OOC-, tetramethylene, pentamethylene ,-O-or-S-independently of one another and Sauerstoffatom is not directly connected after replacing, the one or more H in above-mentioned group can be replaced by F, Cl independently of one another;
Z
2represent singly-bound ,-CH
2-,-CH
2-CH
2-,-(CH
2)
3-,-(CH
2)
4-,-CH=CH-,-C ≡ C-,-COO-,-OOC-,-CF
2o-,-OCH
2-,-CH
2o-,-OCF
2-,-CF
2cH
2-,-CH
2cF
2-,-C
2f
4-or-CF=CF-;
Ring A
6, A
7, A
8, A
9represent in singly-bound or following group independently of one another one or more:
E, g represent independently of one another 0,1,2 or 3, f, h represent 1 or 2 independently of one another.
Described general structure be I compound be preferably one or more compounds in following compound:
Wherein, R
1be selected from H, Cl, F, CN, OCN, OCF independently of one another
3, CF
3, CHF
2, CH
2f, OCHF
2, SCN, NCS, SF
5, the alkyl of a 1-15 carbon atom, the alkoxyl group of a 1-15 carbon atom, the thiazolinyl of a 2-15 carbon atom or 2-15 carbon atom alkene oxygen base, wherein other, the one or more-CH in above-mentioned group
2-can be replaced by-CH=CH-,-C ≡ C-,-COO-,-OOC-, tetramethylene, pentamethylene ,-O-or-S-independently of one another and Sauerstoffatom is not directly connected after replacing, the one or more H in above-mentioned group can be replaced by F, Cl independently of one another.
Described general structure be II compound be preferably one or more compounds in following compound:
Wherein, (F) represents H or F independently of one another;
R
2, R
3be selected from H, Cl, F, CN, OCN, OCF independently of one another
3, CF
3, CHF
2, CH
2f, OCHF
2, SCN, NCS, SF
5, the alkyl of a 1-15 carbon atom, the alkoxyl group of a 1-15 carbon atom, the thiazolinyl of a 2-15 carbon atom or 2-15 carbon atom alkene oxygen base, wherein other, the one or more-CH in above-mentioned group
2-can be replaced by-CH=CH-,-C ≡ C-,-COO-,-OOC-, tetramethylene, pentamethylene ,-O-or-S-independently of one another and Sauerstoffatom is not directly connected after replacing, the one or more H in above-mentioned group can be replaced by F, Cl independently of one another.
Described general structure be III compound be preferably one or more compounds in following compound:
Wherein, R
4be selected from H, Cl, F, CN, OCN, OCF independently of one another
3, CF
3, CHF
2, CH
2f, OCHF
2, SCN, NCS, SF
5, the alkyl of a 1-15 carbon atom, the alkoxyl group of a 1-15 carbon atom, the thiazolinyl of a 2-15 carbon atom or 2-15 carbon atom alkene oxygen base, wherein other, the one or more-CH in above-mentioned group
2-can be replaced by-CH=CH-,-C ≡ C-,-COO-,-OOC-, tetramethylene, pentamethylene ,-O-or-S-independently of one another and Sauerstoffatom is not directly connected after replacing, the one or more H in above-mentioned group can be replaced by F, Cl independently of one another;
(F) H or F is represented independently of one another;
X
8be selected from hydrogen atom, halogen atom or trifluoromethoxy independently of one another.
Described general structure be IV compound be preferably one or more compounds in following compound:
Wherein, R
5, R
6be selected from H, Cl, F, CN, OCN, OCF independently of one another
3, CF
3, CHF
2, CH
2f, OCHF
2, SCN, NCS, SF
5, the alkyl of a 1-15 carbon atom, the alkoxyl group of a 1-15 carbon atom, the thiazolinyl of a 2-15 carbon atom or 2-15 carbon atom alkene oxygen base, wherein other, the one or more-CH in above-mentioned group
2-can be replaced by-CH=CH-,-C ≡ C-,-COO-,-OOC-, tetramethylene, pentamethylene ,-O-or-S-independently of one another and Sauerstoffatom is not directly connected after replacing, the one or more H in above-mentioned group can be replaced by F, Cl independently of one another.
Liquid-crystal composition of the present invention; may be used for Active Matrix Display; preferably by the matrix addressing of thin film transistor (TFT); be specially adapted to the active matrix TN-TFT manufacturing response fast; IPS-TFT liquid crystal display device and liquid-crystal display, also belong to protection scope of the present invention.
Per-cent in present disclosure is weight percentage, and temperature is degree Celsius (DEG C).As without other illustrate, the concrete meaning of other symbols and test condition as follows:
Cp: clearing point [DEG C], DSC quantitative method is tested;
Δ n: optical anisotropy, no are the specific refractory power of ordinary light, and ne is the specific refractory power of extraordinary ray, and test condition is 25 ± 2 DEG C, 589nm, and Abbe refractometer is tested;
Δ ε: dielectric anisotropy, Δ ε=ε ∥-ε ⊥, wherein, ε ∥ is the specific inductivity being parallel to molecular axis, and ε ⊥ is the specific inductivity perpendicular to molecular axis, and test condition is 25 ± 0.5 DEG C, 20 microns of parallel boxes, and INSTEC:ALCT-IR1 tests;
γ 1: rotary viscosity [mPas], test condition is 25 ± 0.5 DEG C, 20 microns of parallel boxes, and INSTEC:ALCT-IR1 tests;
ρ: resistivity [Ω cm], test condition is 25 ± 2 DEG C, and testing tool is TOYO SR6517 high resistant instrument and LE-21 liquid electrode.
VHR: voltage retention, test condition is 20 ± 2 DEG C, voltage is ± 5V, pulse width is 10ms, voltage hold-time 16.7ms, and testing apparatus is TOYO Model6254 liquid crystal property comprehensive tester.
Τ: time of response [ms], test condition is 25 ± 0.5 DEG C, and testing cassete 4.0 microns of left-handed boxes of TN, testing tool is DMS-501.
V10 is the optical threshold voltage [V] of liquid crystal, and V90 is the saturation voltage value [V] of liquid crystal, and test condition is 4.0 microns of left-handed boxes of TN, 25 DEG C.
Embodiment
Below in conjunction with specific embodiment, the present invention is further elaborated, but the following examples are example of the present invention, and the present invention is not limited to following examples.When not departing from purport of the present invention or scope, by can also by adjustment to each component concentration in liquid-crystal composition of the present invention, revise or improve out and there is different threshold value, clearing point, the liquid crystal compound of birefringent characteristic, this it will be apparent to those skilled in the art that.Described method is ordinary method if no special instructions.Described material all can obtain from open commercial sources if no special instructions.
Each composition adopted below in an example, all can be synthesized by known method, or be obtained by commercial sources.These synthetic technologys are conventional, and each liquid crystalline cpd obtained meets electrical type compound standard after tested.
According to the proportioning of each liquid-crystal composition of following examples regulation, prepare liquid-crystal composition.The preparation of described liquid-crystal composition carries out according to the ordinary method of this area, and as taked heating, ultrasonic wave, ratio mixing is obtained according to the rules for the modes such as suspension.
Prepare and study the liquid-crystal composition provided in the following example.Show composition and its performance parameter test result of each liquid-crystal composition below.
Get the composition I, II, III, IV of following weight percent, and optically-active compound, configuration liquid-crystal composition, it is as shown in the table for concrete proportioning, and the performance perameter of the liquid-crystal composition of gained is also listed in table.
Embodiment 1
Be mixed with liquid-crystal composition of the present invention by listed each compound and weight percentage in table 1-1, it is filled between liquid-crystal display two substrates and carries out performance test, and test data is as shown in table 1-2:
The liquid crystal combination composition formula of table 1-1 embodiment 1
The performance perameter of the liquid-crystal composition of table 1-2 embodiment 1
| S→N(℃) | ≤-40 |
| Clearing Point(℃) | 100 |
| γ1(mPa·s,25℃) | 99.4 |
| Δn(589nm,25℃) | 0.113 |
| Δε(1KHZ,25℃) | 11.3 |
| V 10(V) | 1.54 |
| V 90(V) | 2.47 |
| τ(ms,4V) | 9.23 |
| ρ(×10 13Ω·cm) | 15.2 |
| VHR(％,20℃) | 99.82 |
Liquid crystal compound in embodiment 1, has higher clearing point, very large dielectric anisotropy, lower threshold voltage, and has the time of response faster.
Embodiment 2
Be mixed with liquid-crystal composition of the present invention by listed each compound and weight percentage in table 2-1, it is filled between liquid-crystal display two substrates and carries out performance test, and test data is as shown in table 2-2:
The liquid crystal combination composition formula of table 2-1 embodiment 2
The performance perameter of the liquid-crystal composition of table 2-2 embodiment 2
| S→N(℃) | ≤-40 |
| Clearing Point(℃) | 100 |
| γ1(mPa·s,25℃) | 77.4 |
| Δn(589nm,25℃) | 0.100 |
| Δε(1KHZ,25℃) | 6.8 |
| V 10(V) | 1.98 |
| V 90(V) | 3.03 |
| τ(ms,4V) | 10.23 |
| ρ(×10 13Ω·cm) | 29.2 |
| VHR(％,20℃) | 99.85 |
Liquid crystal compound in embodiment 2 has wider nematic temperature range and higher resistivity and voltage retention.
Embodiment 3
Be mixed with liquid-crystal composition of the present invention by listed each compound and weight percentage in table 3-1, it is filled between liquid-crystal display two substrates and carries out performance test, and test data is as shown in table 3-2:
The liquid crystal combination composition formula of table 3-1 embodiment 3
The performance perameter of the liquid-crystal composition of table 3-2 embodiment 3
| S→N(℃) | ≤-40 |
| Clearing Point(℃) | 97 |
| γ1(mPa·s,25℃) | 79.8 |
| Δn(589nm,25℃) | 0.100 |
| Δε(1KHZ,25℃) | 5.8 |
| V 10(V) | 1.88 |
| V 90(V) | 3.03 |
| τ(ms,4V) | 8.23 |
| ρ(×10 13Ω·cm) | 25.2 |
| VHR(％,20℃) | 99.70 |
Liquid crystalline cpd in embodiment 3 has wider nematic temperature range, faster the time of response, has higher resistivity and voltage retention simultaneously, and the scope of application is very wide.
Embodiment 4
Be mixed with liquid-crystal composition of the present invention by listed each compound and weight percentage in table 4-1, it is filled between liquid-crystal display two substrates and carries out performance test, and test data is as shown in table 4-2:
The liquid crystal combination composition formula of table 4-1 embodiment 4
The performance perameter of the liquid-crystal composition of table 4-2 embodiment 4
| S→N(℃) | ≤-40 |
| Clearing Point(℃) | 100 |
| γ1(mPa·s,25℃) | 80.8 |
| Δn(589nm,25℃) | 0.100 |
| Δε(1KHZ,25℃) | 7.8 |
| V 10(V) | 1.59 |
| V 90(V) | 2.65 |
| τ(ms,4V) | 12.20 |
| ρ(×10 13Ω·cm) | 18.2 |
| VHR(％,20℃) | 99.70 |
Liquid crystal compound in embodiment 4, has lower refractive anisotrop and higher voltage retention.
Embodiment 5
Be mixed with liquid-crystal composition of the present invention by listed each compound and weight percentage in table 5-1, it is filled between liquid-crystal display two substrates and carries out performance test, and test data is as shown in table 5-2:
The liquid crystal combination composition formula of table 5-1 embodiment 5
The performance perameter of the liquid-crystal composition of table 5-2 embodiment 5
| S→N(℃) | ≤-40 |
| Clearing Point(℃) | 100 |
| γ1(mPa·s,25℃) | 81.0 |
| Δn(589nm,25℃) | 0.100 |
| Δε(1KHZ,25℃) | 7.8 |
| V 10(V) | 1.59 |
| V 90(V) | 2.65 |
| τ(ms,4V) | 11.80 |
| ρ(×10 13Ω·cm) | 20.1 |
| VHR(％,20℃) | 99.80 |
Liquid crystal compound in embodiment 5, has lower refractive anisotrop and higher voltage retention.
Liquid crystal compound in above five embodiments has different performance perameters respectively, can provide application direction widely, and all have larger practical value.
Although, above with a general description of the specific embodiments to invention has been detailed description, but they are typical examples of the present invention, on basis of the present invention, can make some amendments to it and improve, this will be apparent to those skilled in the art.Therefore, the present invention has above-mentioned explanation and limits, these modifications or improvements without departing from theon the basis of the spirit of the present invention, all belongs to the scope of protection of present invention.
Claims (8)
1. a liquid-crystal composition, is characterized in that:
It is one or more general structures of 10-35% is the compound component of I that described liquid-crystal composition includes weight percent;
Also to include weight percent be one or more general structures of 1-70% is the compound component of II;
Also to include weight percent be one or more general structures of 1-50% is the compound component of III;
Wherein,
R
1, R
2, R
3, R
4be selected from H, Cl, F, CN, OCN, OCF independently of one another
3, CF
3, CHF
2, CH
2f, OCHF
2, SCN, NCS, SF
5, the alkyl of a 1-15 carbon atom, the alkoxyl group of a 1-15 carbon atom, the thiazolinyl of a 2-15 carbon atom or 2-15 carbon atom alkene oxygen base, wherein other, the one or more-CH in above-mentioned group
2-can be replaced by-CH=CH-,-C ≡ C-,-COO-,-OOC-, tetramethylene, pentamethylene ,-O-or-S-independently of one another and Sauerstoffatom is not directly connected after replacing, the one or more H in above-mentioned group can be replaced by F, Cl independently of one another;
X
1, X
2, X
3, X
4, X
5, X
6, X
7, X
8, X
9be selected from hydrogen atom, halogen atom or trifluoromethoxy independently of one another;
Z
1represent singly-bound ,-CH
2-,-CH
2-CH
2-,-(CH
2)
3-,-(CH
2)
4-,-CH=CH-,-C ≡ C-,-COO-,-OOC-,-CF
2o-,-OCH
2-,-CH
2o-,-OCF
2-,-CF
2cH
2-,-CH
2cF
2-,-C
2f
4-or-CF=CF-;
Ring A
1, A
2, A
3, A
4, A
5represent in singly-bound or following group independently of one another one or more:
A, b, c, d represent 0,1,2 or 3 independently of one another.
2. liquid crystal compound according to claim 1, is characterized in that, it is the compound component of IV that described liquid-crystal composition also includes one or more general structures that weight percent is less than or equal to 30%;
Wherein,
R
5, R
6be selected from H, Cl, F, CN, OCN, OCF independently of one another
3, CF
3, CHF
2, CH
2f, OCHF
2, SCN, NCS, SF
5, the alkyl of a 1-15 carbon atom, the alkoxyl group of a 1-15 carbon atom, the thiazolinyl of a 2-15 carbon atom or 2-15 carbon atom alkene oxygen base, wherein other, the one or more-CH in above-mentioned group
2-can be replaced by-CH=CH-,-C ≡ C-,-COO-,-OOC-, tetramethylene, pentamethylene ,-O-or-S-independently of one another and Sauerstoffatom is not directly connected after replacing, the one or more H in above-mentioned group can be replaced by F, Cl independently of one another;
Z
2represent singly-bound ,-CH
2-,-CH
2-CH
2-,-(CH
2)
3-,-(CH
2)
4-,-CH=CH-,-C ≡ C-,-COO-,-OOC-,-CF
2o-,-OCH
2-,-CH
2o-,-OCF
2-,-CF
2cH
2-,-CH
2cF
2-,-C
2f
4-or-CF=CF-;
Ring A
6, A
7, A
8, A
9represent in singly-bound or following group independently of one another one or more:
E, g represent independently of one another 0,1,2 or 3, f, h represent 1 or 2 independently of one another.
3. liquid-crystal composition according to claim 1 and 2, is characterized in that, described general structure be I compound be one or more compounds in following compound:
Wherein, R
1be selected from H, Cl, F, CN, OCN, OCF independently of one another
3, CF
3, CHF
2, CH
2f, OCHF
2, SCN, NCS, SF
5, the alkyl of a 1-15 carbon atom, the alkoxyl group of a 1-15 carbon atom, the thiazolinyl of a 2-15 carbon atom or 2-15 carbon atom alkene oxygen base, wherein other, the one or more-CH in above-mentioned group
2-can be replaced by-CH=CH-,-C ≡ C-,-COO-,-OOC-, tetramethylene, pentamethylene ,-O-or-S-independently of one another and Sauerstoffatom is not directly connected after replacing, the one or more H in above-mentioned group can be replaced by F, Cl independently of one another.
4. liquid-crystal composition according to claim 1 and 2, is characterized in that, described general structure be II compound be one or more compounds in following compound:
Wherein, (F) represents H or F independently of one another;
R
2, R
3be selected from H, Cl, F, CN, OCN, OCF independently of one another
3, CF
3, CHF
2, CH
2f, OCHF
2, SCN, NCS, SF
5, the alkyl of a 1-15 carbon atom, the alkoxyl group of a 1-15 carbon atom, the thiazolinyl of a 2-15 carbon atom or 2-15 carbon atom alkene oxygen base, wherein other, the one or more-CH in above-mentioned group
2-can be replaced by-CH=CH-,-C ≡ C-,-COO-,-OOC-, tetramethylene, pentamethylene ,-O-or-S-independently of one another and Sauerstoffatom is not directly connected after replacing, the one or more H in above-mentioned group can be replaced by F, Cl independently of one another.
5. the liquid-crystal composition described in claim 1 or 2, is characterized in that, described general structure be III compound be one or more compounds in following compound:
Wherein, R
4be selected from H, Cl, F, CN, OCN, OCF independently of one another
3, CF
3, CHF
2, CH
2f, OCHF
2, SCN, NCS, SF
5, the alkyl of a 1-15 carbon atom, the alkoxyl group of a 1-15 carbon atom, the thiazolinyl of a 2-15 carbon atom or 2-15 carbon atom alkene oxygen base, wherein other, the one or more-CH in above-mentioned group
2-can be replaced by-CH=CH-,-C ≡ C-,-COO-,-OOC-, tetramethylene, pentamethylene ,-O-or-S-independently of one another and Sauerstoffatom is not directly connected after replacing, the one or more H in above-mentioned group can be replaced by F, Cl independently of one another;
X
8be selected from hydrogen atom, halogen atom or trifluoromethoxy independently of one another.
6. liquid crystal compound according to claim 2, is characterized in that, described general structure be IV compound be one or more compounds in following compound:
Wherein, R
5, R
6be selected from H, Cl, F, CN, OCN, OCF independently of one another
3, CF
3, CHF
2, CH
2f, OCHF
2, SCN, NCS, SF
5, the alkyl of a 1-15 carbon atom, the alkoxyl group of a 1-15 carbon atom, the thiazolinyl of a 2-15 carbon atom or 2-15 carbon atom alkene oxygen base, wherein other, the one or more-CH in above-mentioned group
2-can be replaced by-CH=CH-,-C ≡ C-,-COO-,-OOC-, tetramethylene, pentamethylene ,-O-or-S-independently of one another and Sauerstoffatom is not directly connected after replacing, the one or more H in above-mentioned group can be replaced by F, Cl independently of one another.
7. arbitrary described liquid-crystal composition in claim 1-6, the application in liquid crystal display device and liquid-crystal display.
8. an electrooptics liquid-crystal display, is characterized in that, containing described liquid-crystal composition arbitrary in claim 1-6 in described electrooptics liquid-crystal display.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN105602575A (en) * | 2015-10-16 | 2016-05-25 | 石家庄诚志永华显示材料有限公司 | Liquid crystal composition, and liquid crystal display element or display thereof |
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| CN106147791A (en) * | 2015-04-23 | 2016-11-23 | 江苏和成显示科技股份有限公司 | There is liquid-crystal composition and the liquid crystal display cells of good light and thermally stable |
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| TWI626299B (en) * | 2015-04-23 | 2018-06-11 | Liquid crystal composition and liquid crystal display element having good light and heat stability | |
| US10723947B2 (en) | 2015-04-23 | 2020-07-28 | Jiangsu Hecheng Display Technology Co., Ltd. | Liquid crystal composition and liquid crystal display device thereof |
| CN105602575A (en) * | 2015-10-16 | 2016-05-25 | 石家庄诚志永华显示材料有限公司 | Liquid crystal composition, and liquid crystal display element or display thereof |
| CN105602575B (en) * | 2015-10-16 | 2017-05-24 | 石家庄诚志永华显示材料有限公司 | Liquid crystal composition, and liquid crystal display element or display thereof |
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| CN106566563B (en) * | 2016-10-26 | 2019-08-16 | 烟台显华化工科技有限公司 | A kind of liquid-crystal composition |
| CN107794058A (en) * | 2017-10-31 | 2018-03-13 | 晶美晟光电材料（南京）有限公司 | A kind of liquid crystal compound and its application |
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