TW202126792A - Positive liquid crystal composition with high contrast - Google Patents
Positive liquid crystal composition with high contrast Download PDFInfo
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- TW202126792A TW202126792A TW109122123A TW109122123A TW202126792A TW 202126792 A TW202126792 A TW 202126792A TW 109122123 A TW109122123 A TW 109122123A TW 109122123 A TW109122123 A TW 109122123A TW 202126792 A TW202126792 A TW 202126792A
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- 0 *C(CC1)CCC1c1ccc(*)cc1 Chemical compound *C(CC1)CCC1c1ccc(*)cc1 0.000 description 3
- VSAINLYWBZEWKB-UHFFFAOYSA-N CC(CC1)CCC1C(CC1)CCC1c(cc1)ccc1-c(cc1F)cc(F)c1F Chemical compound CC(CC1)CCC1C(CC1)CCC1c(cc1)ccc1-c(cc1F)cc(F)c1F VSAINLYWBZEWKB-UHFFFAOYSA-N 0.000 description 1
- VDUNJAVGXZURJB-UHFFFAOYSA-N CC(CC1)CCC1C(CC1)CCC1c(cc1)ccc1-c1cc(F)c(C(F)(F)F)c(F)c1 Chemical compound CC(CC1)CCC1C(CC1)CCC1c(cc1)ccc1-c1cc(F)c(C(F)(F)F)c(F)c1 VDUNJAVGXZURJB-UHFFFAOYSA-N 0.000 description 1
- PLPCCGGCRQVLPC-UHFFFAOYSA-N CC(CC1)CCC1C(CC1)CCC1c1ccc(-c(cc2F)cc(F)c2F)c(F)c1 Chemical compound CC(CC1)CCC1C(CC1)CCC1c1ccc(-c(cc2F)cc(F)c2F)c(F)c1 PLPCCGGCRQVLPC-UHFFFAOYSA-N 0.000 description 1
- YDOUSNDJZSMEBI-UHFFFAOYSA-N CC(CC1)CCC1C(CC1)CCC1c1ccc(-c2cc(F)c(C(F)(F)F)c(F)c2)c(F)c1 Chemical compound CC(CC1)CCC1C(CC1)CCC1c1ccc(-c2cc(F)c(C(F)(F)F)c(F)c2)c(F)c1 YDOUSNDJZSMEBI-UHFFFAOYSA-N 0.000 description 1
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
- C09K19/44—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing compounds with benzene rings directly linked
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
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Abstract
Description
本發明涉及一種液晶組合物領域，具體涉及一種具有高對比的正性液晶組合物。 The invention relates to the field of liquid crystal compositions, in particular to a positive liquid crystal composition with high contrast.
目前，LCD顯示器作為最主流的顯示器，已廣泛用於各種產品中，其中IPS和FFS模式顯示器因為其獨有的硬屏特性以及非常寬的視角特性，目前廣泛用於手機、筆記型電腦、平板電腦、電腦顯示器、電視等方面。 At present, as the most mainstream display, LCD displays have been widely used in various products. Among them, IPS and FFS mode displays are widely used in mobile phones, notebook computers, and tablets because of their unique hard screen characteristics and very wide viewing angle characteristics. Computers, computer monitors, televisions, etc.
IPS和FFS液晶平面排列導致在暗態時容易出現漏光，對比度性能方面明顯劣勢於VA類(MVA、PVA、UV2A、PSVA)顯示器。經過研究發現，液晶分子在初始排列時，由於配向層表面存在的配向碎屑等會導致液晶分子排列紊亂從而導致暗態漏光；如何改善液晶排列紊亂成為如何提升IPS和FFS模式顯示器的重要課題，通過研究發現，液晶的彈性常數增加有助於改善液晶分子的排列。提升液晶組合物的清亮點可以實現提升彈性常數的目的，但是隨著清亮點提升，液晶組合物的旋轉粘度增加，從而導致液晶顯示器響應時間變慢。 The planar arrangement of IPS and FFS liquid crystals causes light leakage in the dark state, and the contrast performance is obviously inferior to VA (MVA, PVA, UV2A, PSVA) displays. It has been discovered through research that when the liquid crystal molecules are initially aligned, the alignment debris on the surface of the alignment layer will cause the alignment of the liquid crystal molecules to be disordered, leading to light leakage in the dark state; how to improve the disorder of the liquid crystal alignment has become an important issue for how to improve the IPS and FFS mode displays. Through research, it is found that an increase in the elastic constant of liquid crystal helps to improve the arrangement of liquid crystal molecules. Increasing the clearing point of the liquid crystal composition can achieve the purpose of improving the elastic constant, but as the clearing point increases, the rotational viscosity of the liquid crystal composition increases, which results in a slower response time of the liquid crystal display.
本發明旨在提供一種具有大的彈性常數的液晶組合物，以此實現改善液晶顯示器對比度的目的。本發明發現，本發明所提供的液晶組合物一方面具有大的彈性常數，另一方面具有較低的旋轉粘度，從而實現高對比和快速響應的液晶顯示器。 The present invention aims to provide a liquid crystal composition with a large elastic constant, so as to achieve the purpose of improving the contrast of the liquid crystal display. The present invention finds that the liquid crystal composition provided by the present invention has a large elastic constant on the one hand, and a lower rotational viscosity on the other hand, thereby realizing a liquid crystal display with high contrast and fast response.
本發明所述正性液晶組合物中包括一種或幾種通式I所代表的化合物： The positive liquid crystal composition of the present invention includes one or more compounds represented by the general formula I:
其中，R1、R2各自獨立地代表C1~C12的直鏈烷基、直鏈烷氧基或C2~C12的直鏈烯基。 Wherein, R 1 and R 2 each independently represent a C 1 to C 12 linear alkyl group, a linear alkoxy group or a C 2 to C 12 linear alkenyl group.
所述正性液晶組合物中包括一種或幾種通式II所代表的化合物： The positive liquid crystal composition includes one or more compounds represented by general formula II:
其中，R3各自獨立地代表C1~C12的直鏈烷基、直鏈烷氧基或C2~C12的直鏈烯基；n1=0或1；A1各自獨立地代表： Wherein, R 3 each independently represents a C 1 to C 12 linear alkyl group, a linear alkoxy group or a C 2 to C 12 linear alkenyl group; n 1 =0 or 1; A 1 each independently represents:
A2各自獨立地代表： A 2 each independently represents:
A3各自獨立地代表： A 3 each independently represents:
所述正性液晶組合物中包括一種或幾種通式III所代表的化合物： The positive liquid crystal composition includes one or more compounds represented by the general formula III:
其中，R4、R5各自獨立地代表C1~C12的直鏈烷基、直鏈烷氧基或C2~C12的直鏈烯基，A4、A5各自獨立地代表反式1，4-環己基或1，4-亞苯基。 Wherein, R 4 and R 5 each independently represent a C 1 ~C 12 linear alkyl group, a linear alkoxy group or a C 2 ~C 12 linear alkenyl group, and A 4 , A 5 each independently represent a trans 1,4-cyclohexyl or 1,4-phenylene.
本發明所提供的通式I的化合物為含有環己烯結構的化合物，該類化合物具有大的彈性常數，對於提升液晶組合物的彈性常數非常有效。本發明所提供的通式II的化合物含有CF2O橋鍵結構，具有非常大的介電各向異性，用於液晶組合物中可有效地提升液晶組合物的介電各向異性，本發明所提供的通式III的化合物為兩環結構化合物，該類化合物具有非常低的旋轉粘度，對於降低液晶組合物的旋旋轉粘度非常有效。上述幾種物質組合使用，可有效地提高液晶顯示器的對比度和響應速度。 The compound of general formula I provided by the present invention is a compound containing a cyclohexene structure, and this type of compound has a large elastic constant and is very effective for improving the elastic constant of the liquid crystal composition. The compound of formula II provided by the present invention contains a CF2O bridge structure and has a very large dielectric anisotropy. When used in a liquid crystal composition, it can effectively improve the dielectric anisotropy of the liquid crystal composition. The present invention provides The compound of the general formula III is a two-ring structure compound, which has a very low rotational viscosity and is very effective for reducing the rotational viscosity of the liquid crystal composition. The combination of the above-mentioned substances can effectively improve the contrast and response speed of the liquid crystal display.
作為優選的方案，通式I所代表的化合物選自IA~IB中的一種或多種： As a preferred solution, the compound represented by general formula I is selected from one or more of IA to IB:
其中，R1、R2各自獨立地代表C1~C7的直鏈烷基或C2~C7的直鏈烯基。 Wherein, R 1 and R 2 each independently represent a C 1 to C 7 linear alkyl group or a C 2 to C 7 linear alkenyl group.
優選地，通式I所代表的化合物選自式IA1~IB45中的一種或多種： Preferably, the compound represented by the general formula I is selected from one or more of the formulas IA1 to IB45:
更優選地，通式I所述化合物選自IA3、IA12、IA21、IA23、IA24、IA25、IA39、IA43、IB3、IB5、IB8、IB10、IB26、IB27、IB30、IB31中的一種或多種。 More preferably, the compound of formula I is selected from one or more of IA3, IA12, IA21, IA23, IA24, IA25, IA39, IA43, IB3, IB5, IB8, IB10, IB26, IB27, IB30, IB31.
特別優選地，通式I所述化合物選自IA3、IA21、IA23、IA24、IA25、IA39、IA43、IB3、IB5、IB8、IB10、IB26、IB27、IB30、IB31中的一種或多種。 Particularly preferably, the compound of Formula I is selected from one or more of IA3, IA21, IA23, IA24, IA25, IA39, IA43, IB3, IB5, IB8, IB10, IB26, IB27, IB30, IB31.
最優選地，通式I所述化合物選自IA3、IA21、IA23、IA39、IB3、IB5、IB8、IB10、IB26、IB27、IB30、IB31中的一種或多種。 Most preferably, the compound of formula I is selected from one or more of IA3, IA21, IA23, IA39, IB3, IB5, IB8, IB10, IB26, IB27, IB30, and IB31.
優選的，所述正性液晶組合物包含品質百分比為1~35%的通式I的化合物。 Preferably, the positive liquid crystal composition contains the compound of general formula I with a mass percentage of 1 to 35%.
進一步優選品質百分比為2~30%，2~14%，10~30%，5~18%，2~28%，5~28%，5~25%或2~26%的通式I的化合物。 It is further preferred that the mass percentage is 2~30%, 2~14%, 10~30%, 5~18%, 2~28%, 5~28%, 5~25% or 2~26% of the compound of general formula I .
更優選品質百分比為2~24%，7~20%，7~16%，6~24%，6~16%，10~24%或2~14%的通式I所代表的化合物。 More preferably, the mass percentage of the compound represented by general formula I is 2-24%, 7-20%, 7-16%, 6-24%, 6-16%, 10-24% or 2-14%.
作為優選的方案，通式II所述化合物選自IIA~IIM中的一種或多種： As a preferred solution, the compound of formula II is selected from one or more of IIA to IIM:
進一步優選地，通式II所代表的化合物選自式IIA1~IIC30中的一種或多種： Further preferably, the compound represented by the general formula II is selected from one or more of the formulas IIA1 to IIC30:
更優選地，通式II所述化合物選自式IIA3、IIB2、IIB3、IIC2、IIC3、IID2、IID3、IIF3、IIG3、IIG4、IIH3、IIH4、IIH5、IIJ3、IIK2、IIK3、IIL3、IIM3、IIM4中的一種或多種。 More preferably, the compound of formula II is selected from formula IIA3, IIB2, IIB3, IIC2, IIC3, IID2, IID3, IIF3, IIG3, IIG4, IIH3, IIH4, IIH5, IIJ3, IIK2, IIK3, IIL3, IIM3, IIM4 One or more of.
特別優選地，通式II所述化合物選自式IIB3、IIC2、IIC3、IID3、IIF3、IIG3、IIG4、IIH3、IIH4、IIH5、IIK3、IIL3、IIM3、IIM4中的一種或多種。 Particularly preferably, the compound of formula II is selected from one or more of formula IIB3, IIC2, IIC3, IID3, IIF3, IIG3, IIG4, IIH3, IIH4, IIH5, IIK3, IIL3, IIM3, IIM4.
最優選地，通式II所述化合物選自式IIB3、IIC2、IIC3、IID3、IIG3、IIG4、IIH3、IIH4、IIH5、IIL3、IIM3、IIM4中的一種或多種。 Most preferably, the compound of formula II is selected from one or more of formula IIB3, IIC2, IIC3, IID3, IIG3, IIG4, IIH3, IIH4, IIH5, IIL3, IIM3, IIM4.
優選的，所述正性液晶組合物中包含5~50%的通式II所代表的化合物。 Preferably, the positive liquid crystal composition contains 5-50% of the compound represented by the general formula II.
更優選地，所述正性液晶組合物中包含8~37%，8~40%，8~35%，15~40%，8~21%，8~38%的通式II所代表的化合物。 More preferably, the positive liquid crystal composition contains 8~37%, 8~40%, 8~35%, 15~40%, 8~21%, 8~38% of the compound represented by general formula II .
特別優選地，所述正性液晶組合物包含11~34%，11~30%，12~27%，11~30%，11~34%，11~21%，15~34%，11~33%，12~34%的通式II所代表的化合物。 Particularly preferably, the positive liquid crystal composition contains 11 to 34%, 11 to 30%, 12 to 27%, 11 to 30%, 11 to 34%, 11 to 21%, 15 to 34%, 11 to 33 %, 12~34% of the compound represented by Formula II.
作為優選的方案，通式III所代表的化合物選自式IIIA~IIIC中的一種或多種： As a preferred solution, the compound represented by the general formula III is selected from one or more of the formulas IIIA to IIIC:
其中，R4各自獨立地代表C1~C7的直鏈烷基；R5各自獨立地代表C1~C7的直鏈烷基、直鏈烷氧基或C2~C7的直鏈烯基。 Wherein, R 4 each independently represents a C 1 ~C 7 linear alkyl group; R 5 each independently represents a C 1 ~C 7 linear alkyl group, a linear alkoxy group or a C 2 ~C 7 linear alkyl group Alkenyl.
進一步優選地，通式III所代表的化合物選自式IIIA1~IIIC24中的一種或多種： Further preferably, the compound represented by the general formula III is selected from one or more of the formulas IIIA1 to IIIC24:
更優選地，通式III所代表的化合物選自IIIA3、IIIA7、IIIA11、IIIA12、IIIA25、IIIA29、IIIA31、IIIA37、IIIB18、IIIB22、IIIC2、IIIC4、IIIC15、IIIC20中的一種或多種。 More preferably, the compound represented by the general formula III is selected from one or more of IIIA3, IIIA7, IIIA11, IIIA12, IIIA25, IIIA29, IIIA31, IIIA37, IIIB18, IIIB22, IIIC2, IIIC4, IIIC15, and IIIC20.
特別優選地，通式III所代表的化合物選自IIIA25、IIIA29、IIIA37、IIIB18、IIIB22、IIIC2、IIIC4、IIIC15、IIIC20中的一種或多種。 Particularly preferably, the compound represented by the general formula III is selected from one or more of IIIA25, IIIA29, IIIA37, IIIB18, IIIB22, IIIC2, IIIC4, IIIC15, and IIIC20.
優選的，所述正性液晶組合物包含10~75%的通式III所代表的化合物。 Preferably, the positive liquid crystal composition contains 10 to 75% of the compound represented by the general formula III.
更優選地，所述正性液晶組合物包含20~70%，30~70%，20~50%，30~50%，20~65%的通式III所代表的化合物。 More preferably, the positive liquid crystal composition contains 20 to 70%, 30 to 70%, 20 to 50%, 30 to 50%, 20 to 65% of the compound represented by the general formula III.
特別優選地，所述正性液晶組合物包含22~62%，42~65%，22~65%，32~47%，32~65%，22~47%的通式III所代表的化合物。 Particularly preferably, the positive liquid crystal composition contains 22~62%, 42~65%, 22~65%, 32~47%, 32~65%, 22~47% of the compound represented by general formula III.
作為優選的方案，所述正性液晶組合物中還包括一種或多種的通式IV所代表的化合物： As a preferred solution, the positive liquid crystal composition further includes one or more compounds represented by the general formula IV:
其中，R6、R7各自獨立地代表C1~C12的直鏈烷基、直鏈烷氧基或C2~C12的直鏈烯基；A6各自獨立地代表反式1，4-環己基或1，4-亞苯基。 Wherein, R 6 and R 7 each independently represent a C 1 ~C 12 linear alkyl group, a linear alkoxy group or a C 2 ~C 12 linear alkenyl group; A 6 each independently represents a trans 1,4 -Cyclohexyl or 1,4-phenylene.
優選的，通式IV所代表的化合物選自IVA~IVB中的一種或多種： Preferably, the compound represented by the general formula IV is selected from one or more of IVA to IVB:
其中，R6、R7各自獨立地代表C1~C7的直鏈烷基、直鏈烷氧基或C2~C7的直鏈烯基。 Wherein, R 6 and R 7 each independently represent a C 1 to C 7 linear alkyl group, a linear alkoxy group, or a C 2 to C 7 linear alkenyl group.
優選地，通式IV所代表的化合物選自IVA1~IVB62中的一種或多種： Preferably, the compound represented by the general formula IV is selected from one or more of IVA1 to IVB62:
更優選地，通式IV所代表的化合物選自IVA3、IVA5、IVA8、IVA10、IVA26、IVA31、IVA33、IVA53、IVB3、IVB5、IVB8、IVB10、IVB13、IVB25、IVB30、IVB35中的一種或多種。 More preferably, the compound represented by Formula IV is selected from one or more of IVA3, IVA5, IVA8, IVA10, IVA26, IVA31, IVA33, IVA53, IVB3, IVB5, IVB8, IVB10, IVB13, IVB25, IVB30, IVB35.
特別優選地，本發明所提供的通式IV的化合物選自IVA3、IVA8、IVA10、IVA26、IVA31、IVA33、IVA53、IVB3、IVB8、IVB13、IVB25、IVB30、IVB35中的一種或多種。 Particularly preferably, the compound of formula IV provided by the present invention is selected from one or more of IVA3, IVA8, IVA10, IVA26, IVA31, IVA33, IVA53, IVB3, IVB8, IVB13, IVB25, IVB30, IVB35.
優選的，所述正性液晶組合物包含0~35%的通式IV所代表的化合物。 Preferably, the positive liquid crystal composition contains 0-35% of the compound represented by the general formula IV.
更優選地，所述正性液晶組合物包含0~25%，0~21%，0~20%，1~25%，0~22%，0~18%的通式IV所代表的化合物。 More preferably, the positive liquid crystal composition contains 0-25%, 0-21%, 0-20%, 1-25%, 0-22%, 0-18% of the compound represented by general formula IV.
特別優選地，所述正性液晶組合物包含3~21%，6~21%，3~18%的通式IV所代表的化合物。 Particularly preferably, the positive liquid crystal composition contains 3-21%, 6-21%, 3-18% of the compound represented by the general formula IV.
作為優選的方案，本發明所述正性液晶組合物中還包括一種或多種的通式V所代表的化合物： As a preferred solution, the positive liquid crystal composition of the present invention further includes one or more compounds represented by the general formula V:
其中，R8各自獨立地代表C1~C12的直鏈烷基、直鏈烷氧基或C2~C12的直鏈烯基；X1各自獨立地代表F、CF3、OCF3；L1、L2各自獨立地代表H或F；A7各自獨立地代表： Wherein, R 8 each independently represents a C 1 to C 12 linear alkyl group, a linear alkoxy group or a C 2 to C 12 linear alkenyl group; X 1 each independently represents F, CF 3 , OCF 3 ; L 1 and L 2 each independently represent H or F; A 7 each independently represents:
優選的，通式V所代表的化合物選自VA~VK中的一種或多種： Preferably, the compound represented by the general formula V is selected from one or more of VA to VK:
進一步優選的，R8各自獨立地代表C1~C7的直鏈烷基或C2~C7的直鏈烯基；X1各自獨立地代表F、CF3或OCF3。 More preferably, R 8 each independently represents a C 1 -C 7 linear alkyl group or a C 2 -C 7 linear alkenyl group; X1 each independently represents F, CF 3 or OCF 3 .
更進一步優選的，R8各自獨立地代表C1~C5的直鏈烷基或C2~C5的直鏈烯基；X1各自獨立地代表F、CF3或OCF3。 More preferably, R 8 each independently represents a C 1 to C 5 linear alkyl group or a C 2 to C 5 linear alkenyl group; X 1 each independently represents F, CF 3 or OCF 3 .
優選的，所述正性液晶組合物中還包括一種或多種的通式VI所代表的化合物： Preferably, the positive liquid crystal composition further includes one or more compounds represented by the general formula VI:
其中，R9、R10各自獨立地代表F、C1~C12的直鏈烷基或C2~C12的直鏈烯基； Wherein, R 9 and R 10 each independently represent F, a C 1 to C 12 linear alkyl group or a C 2 to C 12 linear alkenyl group;
進一步優選的，通式VI所代表的化合物選自VIA或VIB中的一種或多種： More preferably, the compound represented by the general formula VI is selected from one or more of VIA or VIB:
其中，R9、R10各自獨立地代表C1~C7的直鏈烷基或C4~C5的直鏈烯基； Wherein, R 9 and R 10 each independently represent a C 1 to C 7 linear alkyl group or a C 4 to C 5 linear alkenyl group;
進一步優選地，R9、R10各自獨立地代表C1~C5的直鏈烷基或C4~C5的直鏈烯基。 Further preferably, R 9 and R 10 each independently represent a C 1 to C 5 linear alkyl group or a C 4 to C 5 linear alkenyl group.
作為優選的方案，本發明所述正性液晶組合物中還包括一種通式VII或通式VIII所代表的化合物： As a preferred solution, the positive liquid crystal composition of the present invention further includes a compound represented by general formula VII or general formula VIII:
其中，R11、R12、R13各自獨立地代表C1~C12的直鏈烷基；L3、L4、L5各自獨立地代表H或F；X2各自獨立地代表F、CF3、OCF3。 Wherein, R 11 , R 12 , and R 13 each independently represent a linear alkyl group of C 1 to C 12 ; L 3 , L 4 , and L 5 each independently represent H or F; X 2 each independently represents F, CF 3. OCF 3 .
優選的，通式VIII所代表的化合物選自VIIIA~VIIIJ中的一種或多種： Preferably, the compound represented by the general formula VIII is selected from one or more of VIIIA to VIIIJ:
進一步優選的，R13各自獨立地代表C1~C7的直鏈烷基。 More preferably, R 13 each independently represents a C 1 to C 7 linear alkyl group.
更進一步優選地，R13各自獨立地代表C1~C5的直鏈烷基。 More preferably, R 13 each independently represents a C 1 to C 5 linear alkyl group.
本發明所述液晶組合物包括如下品質百分比的組分： The liquid crystal composition of the present invention includes the following components by mass percentage:
(1)、1~35%的通式I所代表的化合物； (1) 1~35% of the compound represented by general formula I;
(2)、5~50%的通式II所代表的化合物； (2), 5-50% of the compound represented by general formula II;
(3)、10~75%的通式III所代表的化合物； (3) 10~75% of the compound represented by general formula III;
(4)、0~35%的通式IV所代表的化合物； (4) 0~35% of the compound represented by general formula IV;
(5)、0~50%的通式V~VIII所代表的化合物。 (5) 0-50% of the compound represented by general formula V to VIII.
優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： Preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、2~30%的通式I所代表的化合物； (1), 2-30% of the compound represented by general formula I;
(2)、8~40%的通式II所代表的化合物； (2) 8-40% of the compound represented by general formula II;
(3)、20~70%的通式III所代表的化合物； (3) 20~70% of the compound represented by general formula III;
(4)、0~25%的通式IV所代表的化合物； (4) 0-25% of the compound represented by general formula IV;
(5)、0~43%的通式V~VIII所代表的化合物。 (5) 0~43% of the compound represented by general formula V~VIII.
更優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： More preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、2~24%的通式I所代表的化合物； (1), 2-24% of the compound represented by general formula I;
(2)、11~34%的通式II所代表的化合物； (2) 11~34% of the compound represented by general formula II;
(3)、22~65%的通式III所代表的化合物； (3) 22~65% of the compound represented by general formula III;
(4)、0~21%的通式IV所代表的化合物； (4) 0-21% of the compound represented by general formula IV;
(5)、0~37%的通式V~VIII所代表的化合物。 (5) 0~37% of the compound represented by general formula V~VIII.
特別優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： Particularly preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、6~24%的通式I所代表的化合物； (1), 6-24% of the compound represented by general formula I;
(2)、11~33%的通式II所代表的化合物； (2) 11~33% of compounds represented by general formula II;
(3)、22~65%的通式III所代表的化合物； (3) 22~65% of the compound represented by general formula III;
(4)、0~21%的通式IV所代表的化合物； (4) 0-21% of the compound represented by general formula IV;
(5)、0~37%的通式V~VIII所代表的化合物。 (5) 0~37% of the compound represented by general formula V~VIII.
優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： Preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、2~14%的通式I所代表的化合物； (1), 2~14% of the compound represented by general formula I;
(2)、8~37%的通式II所代表的化合物； (2) 8~37% of the compound represented by general formula II;
(3)、20~70%的通式III所代表的化合物； (3) 20~70% of the compound represented by general formula III;
(4)、0~25%的通式IV所代表的化合物； (4) 0-25% of the compound represented by general formula IV;
(5)、0~42%的通式V~VIII所代表的化合物。 (5) 0~42% of the compound represented by general formula V~VIII.
更優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： More preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、2~14%的通式I所代表的化合物； (1), 2~14% of the compound represented by general formula I;
(2)、12~34%的通式II所代表的化合物； (2) 12~34% of the compound represented by general formula II;
(3)、22~65%的通式III所代表的化合物； (3) 22~65% of the compound represented by general formula III;
(4)、0~20%的通式IV所代表的化合物； (4) 0-20% of the compound represented by general formula IV;
(5)、0~37%的通式V~VIII所代表的化合物。 (5) 0~37% of the compound represented by general formula V~VIII.
本發明所提供的液晶組合物具有較大的彈性常數和低的旋轉粘度，對於提升液晶顯示器的對比度和提升響應時間非常有效。 The liquid crystal composition provided by the present invention has a large elastic constant and a low rotational viscosity, and is very effective for improving the contrast of the liquid crystal display and improving the response time.
優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： Preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、10~30%的通式I所代表的化合物； (1) 10-30% of the compound represented by general formula I;
(2)、8~35%的通式II所代表的化合物； (2) 8~35% of the compound represented by general formula II;
(3)、30~70%的通式III所代表的化合物； (3) 30~70% of the compound represented by general formula III;
(4)、0~25%的通式IV所代表的化合物； (4) 0-25% of the compound represented by general formula IV;
(5)、0~36%的通式V~VIII所代表的化合物。 (5) 0~36% of the compound represented by general formula V~VIII.
更優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： More preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、10~24%的通式I所代表的化合物； (1) 10~24% of the compound represented by general formula I;
(2)、11~30%的通式II所代表的化合物； (2) 11-30% of the compound represented by general formula II;
(3)、32~65%的通式III所代表的化合物； (3) 32~65% of the compound represented by general formula III;
(4)、0~21%的通式IV所代表的化合物； (4) 0-21% of the compound represented by general formula IV;
(5)、0~34%的通式V~VIII所代表的化合物。 (5) 0~34% of the compound represented by general formula V~VIII.
本發明所提供的液晶組合物具有非常大的彈性常數，對於提升液晶顯示器的對比度非常有效。 The liquid crystal composition provided by the present invention has a very large elastic constant and is very effective for improving the contrast of the liquid crystal display.
優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： Preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、5~18%的通式I所代表的化合物； (1) 5-18% of the compound represented by general formula I;
(2)、8~35%的通式II所代表的化合物； (2) 8~35% of the compound represented by general formula II;
(3)、20~70%的通式III所代表的化合物； (3) 20~70% of the compound represented by general formula III;
(4)、0~25%的通式IV所代表的化合物； (4) 0-25% of the compound represented by general formula IV;
(5)、0~40%的通式V~VIII所代表的化合物。 (5) 0~40% of the compound represented by general formula V~VIII.
更優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： More preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、6~16%的通式I所代表的化合物； (1), 6-16% of the compound represented by general formula I;
(2)、11~33%的通式II所代表的化合物； (2) 11~33% of compounds represented by general formula II;
(3)、22~65%的通式III所代表的化合物； (3) 22~65% of the compound represented by general formula III;
(4)、0~20%的通式IV所代表的化合物； (4) 0-20% of the compound represented by general formula IV;
(5)、0~37%的通式V~VIII所代表的化合物。 (5) 0~37% of the compound represented by general formula V~VIII.
本發明所提供的液晶組合物具有大的彈性常數，以及具有非常優異的低溫互溶性，對於改善液晶組合物的互溶性，改善低溫工作溫度範圍非 常有效，用於液晶顯示器中可提升液晶顯示器的對比度和拓寬液晶顯示器的低溫工作溫度。 The liquid crystal composition provided by the present invention has a large elastic constant and a very excellent low-temperature miscibility, which is useful for improving the miscibility of the liquid crystal composition and improving the low-temperature working temperature range. Often effective, used in liquid crystal displays to increase the contrast of the liquid crystal display and broaden the low temperature working temperature of the liquid crystal display.
優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： Preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、2~28%的通式I所代表的化合物； (1), 2-28% of the compound represented by general formula I;
(2)、15~40%的通式II所代表的化合物； (2) 15-40% of the compound represented by general formula II;
(3)、20~50%的通式III所代表的化合物； (3) 20-50% of the compound represented by general formula III;
(4)、0~25%的通式IV所代表的化合物； (4) 0-25% of the compound represented by general formula IV;
(5)、0~40%的通式V~VIII所代表的化合物。 (5) 0~40% of the compound represented by general formula V~VIII.
更優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： More preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、2~24%的通式I所代表的化合物； (1), 2-24% of the compound represented by general formula I;
(2)、15~34%的通式II所代表的化合物； (2) 15~34% of the compound represented by general formula II;
(3)、22~47%的通式III所代表的化合物； (3) 22~47% of the compound represented by general formula III;
(4)、0~21%的通式IV所代表的化合物； (4) 0-21% of the compound represented by general formula IV;
(5)、0~37%的通式V~VIII所代表的化合物。 (5) 0~37% of the compound represented by general formula V~VIII.
本發明所提供的液晶組合物具有大的彈性常數和大的介電各向異性，以及具有較低的旋轉粘度，所提供的液晶組合物用於液晶顯示器中具有高的對比度和較低的驅動電壓以及具有快速的響應時間。 The liquid crystal composition provided by the present invention has a large elastic constant and a large dielectric anisotropy, as well as a low rotational viscosity. The liquid crystal composition provided by the present invention has high contrast and low drive for use in liquid crystal displays. Voltage and has a fast response time.
優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： Preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、5~28%的通式I所代表的化合物； (1), 5-28% of the compound represented by general formula I;
(2)、8~21%的通式II所代表的化合物； (2) 8-21% of the compound represented by general formula II;
(3)、30~70%的通式III所代表的化合物； (3) 30~70% of the compound represented by general formula III;
(4)、0~25%的通式IV所代表的化合物； (4) 0-25% of the compound represented by general formula IV;
(5)、0~40%的通式V~VIII所代表的化合物。 (5) 0~40% of the compound represented by general formula V~VIII.
更優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： More preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、6~24%的通式I所代表的化合物； (1), 6-24% of the compound represented by general formula I;
(2)、11~21%的通式II所代表的化合物； (2) 11-21% of compounds represented by general formula II;
(3)、32~65%的通式III所代表的化合物； (3) 32~65% of the compound represented by general formula III;
(4)、0~21%的通式IV所代表的化合物； (4) 0-21% of the compound represented by general formula IV;
(5)、0~34%的通式V~VIII所代表的化合物。 (5) 0~34% of the compound represented by general formula V~VIII.
本發明所提供的液晶組合物具有大的彈性常數和低的旋轉粘度，對於提升液晶顯示器的對比度和降低響應時間非常有效。 The liquid crystal composition provided by the present invention has a large elastic constant and a low rotational viscosity, and is very effective for improving the contrast of the liquid crystal display and reducing the response time.
優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： Preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、2~28%的通式I所代表的化合物； (1), 2-28% of the compound represented by general formula I;
(2)、8~38%的通式II所代表的化合物； (2) 8~38% of the compound represented by general formula II;
(3)、30~50%的通式III所代表的化合物； (3) 30-50% of the compound represented by general formula III;
(4)、1~36%的通式V~VIII所代表的化合物。 (4) 1~36% of the compound represented by general formula V~VIII.
更優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： More preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、2~24%的通式I所代表的化合物； (1), 2-24% of the compound represented by general formula I;
(2)、11~34%的通式II所代表的化合物； (2) 11~34% of the compound represented by general formula II;
(3)、32~47%的通式III所代表的化合物； (3) 32~47% of the compound represented by general formula III;
(4)、5~33%的通式V~VIII所代表的化合物。 (4), 5~33% of the compounds represented by general formula V~VIII.
本發明所提供的液晶組合物具有大的彈性常數和大的介電各向異性，以及具有較低的旋轉粘度，所提供的液晶組合物用於液晶顯示器中具有高的對比度和較低的驅動電壓以及具有快速的響應時間。 The liquid crystal composition provided by the present invention has a large elastic constant and a large dielectric anisotropy, as well as a low rotational viscosity. The liquid crystal composition provided by the present invention has high contrast and low drive for use in liquid crystal displays. Voltage and has a fast response time.
優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： Preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、5~25%的通式I所代表的化合物； (1), 5-25% of the compound represented by general formula I;
(2)、8~35%的通式II所代表的化合物； (2) 8~35% of the compound represented by general formula II;
(3)、20~70%的通式III所代表的化合物； (3) 20~70% of the compound represented by general formula III;
(4)、1~25%的通式IV所代表的化合物； (4) 1-25% of the compound represented by general formula IV;
(5)、0~40%的通式V~VIII所代表的化合物。 (5) 0~40% of the compound represented by general formula V~VIII.
更優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： More preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、7~20%的通式I所代表的化合物； (1), 7-20% of the compound represented by general formula I;
(2)、11~30%的通式II所代表的化合物； (2) 11-30% of the compound represented by general formula II;
(3)、22~65%的通式III所代表的化合物； (3) 22~65% of the compound represented by general formula III;
(4)、3~21%的通式IV所代表的化合物； (4) 3~21% of the compound represented by general formula IV;
(5)、0~37%的通式V~VIII所代表的化合物。 (5) 0~37% of the compound represented by general formula V~VIII.
特別優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： Particularly preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、10~20%的通式I所代表的化合物； (1) 10-20% of the compound represented by general formula I;
(2)、12~27%的通式II所代表的化合物； (2) 12-27% of the compound represented by general formula II;
(3)、42~65%的通式III所代表的化合物； (3) 42~65% of the compound represented by general formula III;
(4)、6~21%的通式IV所代表的化合物。 (4), 6-21% of the compound represented by general formula IV.
本發明所提供的液晶組合物具有大的彈性常數和低的旋轉粘度，另外該液晶組合物具有非常優異的穩定性，對於提升液晶顯示器的對比度，提升響應時間和提升液晶顯示器的信賴性非常有效。 The liquid crystal composition provided by the present invention has a large elastic constant and a low rotational viscosity. In addition, the liquid crystal composition has a very excellent stability, which is very effective for improving the contrast of the liquid crystal display, improving the response time and enhancing the reliability of the liquid crystal display .
特別優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： Particularly preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、7~16%的通式I所代表的化合物； (1), 7 to 16% of the compound represented by general formula I;
(2)、11~30%的通式II所代表的化合物； (2) 11-30% of the compound represented by general formula II;
(3)、22~62%的通式III所代表的化合物； (3), 22~62% of the compound represented by general formula III;
(4)、3~18%的通式IV所代表的化合物； (4) 3-18% of the compound represented by general formula IV;
(5)、4~37%的通式V~VIII所代表的化合物。 (5) 4~37% of the compound represented by general formula V~VIII.
優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： Preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、2~26%的通式I所代表的化合物； (1), 2~26% of the compound represented by general formula I;
(2)、8~38%的通式II所代表的化合物； (2) 8~38% of the compound represented by general formula II;
(3)、20~65%的通式III所代表的化合物； (3) 20~65% of the compound represented by general formula III;
(4)、0~22%的通式IV所代表的化合物； (4) 0-22% of the compound represented by general formula IV;
(5)、1~40%的通式V~VIII所代表的化合物。 (5), 1~40% of the compound represented by general formula V~VIII.
更優選地，本發明所提供的液晶化合物包含以下品質百分比的組分： More preferably, the liquid crystal compound provided by the present invention contains the following components by mass percentage:
(1)、2~24%的通式I所代表的化合物； (1), 2-24% of the compound represented by general formula I;
(2)、11~34%的通式II所代表的化合物； (2) 11~34% of the compound represented by general formula II;
(3)、22~62%的通式III所代表的化合物； (3), 22~62% of the compound represented by general formula III;
(4)、0~18%的通式IV所代表的化合物； (4) 0-18% of the compound represented by general formula IV;
(5)、4~37%的通式V~VIII所代表的化合物。 (5) 4~37% of the compound represented by general formula V~VIII.
本發明所提供的液晶組合物具有大的彈性常數和大的介電各向異性，以及具有較低的旋轉粘度，所提供的液晶組合物用於液晶顯示器中具有高的對比度和較低的驅動電壓以及具有快速的響應時間。 The liquid crystal composition provided by the present invention has a large elastic constant and a large dielectric anisotropy, as well as a low rotational viscosity. The liquid crystal composition provided by the present invention has high contrast and low drive for use in liquid crystal displays. Voltage and has a fast response time.
本發明所述液晶組合物的製備方法無特殊限制，可採用常規方法將兩種或多種化合物混合進行生產，如通過在高溫下混合不同組分並彼此溶解的方法製備，其中，將液晶組合物溶解在用於該化合物的溶劑中並混合，然後在減壓下蒸餾出該溶劑；或者本發明所述液晶組合物可按照常規的方法製備，如將其中含量較小的組分在較高的溫度下溶解在含量較大的主要組分中，或將各所屬組分在有機溶劑中溶解，如丙酮、氯仿或甲醇等，然後將溶液混合去除溶劑後得到。 The preparation method of the liquid crystal composition of the present invention is not particularly limited. The conventional method can be used to mix two or more compounds for production, for example, by mixing different components at a high temperature and dissolving each other, wherein the liquid crystal composition Dissolve and mix in the solvent used for the compound, and then distill the solvent out under reduced pressure; or the liquid crystal composition of the present invention can be prepared according to a conventional method, such as mixing components with a smaller content in a higher It is obtained by dissolving in the main component with a large content at temperature, or dissolving each component in an organic solvent, such as acetone, chloroform or methanol, and then mixing the solution to remove the solvent.
本發明的另一目是保護本發明所述的的正性液晶組合物在LCD顯示器中的應用。 Another object of the present invention is to protect the application of the positive liquid crystal composition of the present invention in LCD displays.
優選在IPS或FFS模式顯示器中的應用。 It is preferably used in IPS or FFS mode displays.
本發明具有如下有益效果： The present invention has the following beneficial effects:
本發明通過添加通式I所代表的化合物增加液晶組合物的彈性常數，通過增加通式II類化合物提升液晶組合物的介電各向異性，增加通式III的化合物降低旋轉粘度；本發明研究人員發現，通式I所代表的化合物具有非常大的彈性常數，同時在旋轉粘度方面較低，能夠起到提升液晶組合物彈性常數的同時維持 旋轉粘度不變，進而滿足液晶顯示器要求的高對比和快速響應的目的。 The present invention increases the elastic constant of the liquid crystal composition by adding the compound represented by the general formula I, increases the dielectric anisotropy of the liquid crystal composition by increasing the compound of the general formula II, and increases the compound of the general formula III to reduce the rotational viscosity; the research of the present invention The personnel found that the compound represented by the general formula I has a very large elastic constant and a low rotational viscosity, which can improve the elastic constant of the liquid crystal composition while maintaining The rotational viscosity does not change, thereby meeting the high contrast and fast response requirements of the liquid crystal display.
以下實施例用於說明本發明，但不用來限制本發明的範圍。 The following examples are used to illustrate the present invention, but not to limit the scope of the present invention.
除非另有說明，本發明中百分比為重量百分比；溫度單位為攝氏度；△n代表光學各向異性(25℃)；ε∥和ε⊥分別代表平行和垂直介電常數(25℃，1000Hz)；△ε代表介電各向異性(25℃，1000Hz)；γ1代表旋轉粘度(mPa.s，25℃)；Cp代表液晶組合物的清亮點(℃)；K11、K22、K33分別代表展曲、扭曲和彎曲彈性常數(pN，25℃)；Kavg代表平均彈性常數((K11+K22+K33)/3，pN，25℃) Unless otherwise specified, percentages in the present invention are weight percentages; temperature units are degrees Celsius; △n represents optical anisotropy (25°C); ε ∥ and ε ⊥ represent parallel and perpendicular dielectric constants (25°C, 1000 Hz), respectively; △ε represents the dielectric anisotropy (25℃, 1000Hz); γ1 represents the rotational viscosity (mPa.s, 25℃); Cp represents the clearing point (℃) of the liquid crystal composition; K 11 , K 22 , and K 33 represent respectively Spreading, twisting and bending elastic constant (pN, 25℃); Kavg represents the average elastic constant ((K 11 +K 22 +K 33 )/3, pN, 25℃)
以下各實施例中，液晶化合物中基團結構用表1所示代碼表示。 In the following examples, the group structure in the liquid crystal compound is represented by the code shown in Table 1.
以如下化合物結構為例： Take the following compound structure as an example:
表示為：4CDUQKF Expressed as: 4CDUQKF
表示為：5CCPUF Expressed as: 5CCPUF
以下各實施例中，液晶組合物的製備均採用熱溶解方法，包括以下步驟：用天平按重量百分比稱量液晶化合物，其中稱量加入順序無特定要求，通常以液晶化合物熔點由高到低的順序依次稱量混合，在60~100℃下加熱攪拌使得各組分熔解均勻，再經過濾、旋蒸，最後封裝即得目標樣品。 In the following embodiments, the liquid crystal composition is prepared by the thermal dissolution method, including the following steps: weigh the liquid crystal compound by weight percentage with a balance, wherein there is no specific requirement for the order of weighing and adding, and usually the liquid crystal compound has a melting point from high to low. Weigh and mix in sequence, heat and stir at 60~100°C to make the components melt uniformly, filter, rotatory steam, and finally encapsulate to obtain the target sample.
以下各實施例中，液晶組合物中各組分的重量百分比及液晶組合物的性能參數見下述表格。 In the following examples, the weight percentage of each component in the liquid crystal composition and the performance parameters of the liquid crystal composition are shown in the following table.
實施例1 Example 1
實施例2 Example 2
實施例3 Example 3
實施例4 Example 4
實施例5 Example 5
實施例6 Example 6
實施例7 Example 7
實施例8 Example 8
實施例9 Example 9
實施例10 Example 10
實施例11 Example 11
實施例12 Example 12
表13：液晶組合物中各組分的重量百分比及性能參數
實施例13 Example 13
實施例14 Example 14
實施例15 Example 15
實施例16 Example 16
實施例17 Example 17
實施例18 Example 18
實施例19 Example 19
實施例20 Example 20
表21：液晶組合物中各組分的重量百分比及性能參數
實施例21 Example 21
實施例22 Example 22
實施例23 Example 23
實施例24 Example 24
實施例25 Example 25
實施例26 Example 26
實施例27 Example 27
實施例28 Example 28
實施例29 Example 29
實施例30 Example 30
實施例31 Example 31
實施例32 Example 32
實施例33 Example 33
實施例34 Example 34
實施例35 Example 35
實施例36 Example 36
實施例37 Example 37
實施例38 Example 38
實施例39 Example 39
實施例40 Example 40
實施例41 Example 41
對比例1 Comparative example 1
與實施例1相比，其區別在於，不含有通式I所代表的環己烯類結構。 Compared with Example 1, the difference lies in that it does not contain the cyclohexene structure represented by the general formula I.
將實施例1與對比例1所得液晶組合物的各性能參數值進行匯總比較，參見表44。 The performance parameter values of the liquid crystal compositions obtained in Example 1 and Comparative Example 1 are summarized and compared, see Table 44.
經比較可知：與對比例1相比，實施例1提供的液晶組合物具有更大的彈性常數，相對於對比例1，實施例1的彈性常數提升20%左右，即用於液晶顯示器中可以增加20%左右的對比度。 Through comparison, it can be seen that compared with Comparative Example 1, the liquid crystal composition provided by Example 1 has a larger elastic constant. Compared with Comparative Example 1, the elastic constant of Example 1 is increased by about 20%, that is, it can be used in liquid crystal displays. Increase the contrast by about 20%.
由以上實施例可知，本發明所提供的液晶組合物具有大的彈性常數，用於IPS和FFS模式顯示器中可有效改善液晶顯示器的對比度。因此，本發明所提供的液晶組合物適用於的IPS或FFS型TFT液晶顯示裝置，能夠降低液晶顯示器的暗態漏光，降低液晶顯示器暗態漏光，能夠明顯提升液晶顯示器的對比度，能夠改善IPS或FFS模式液晶顯示器的對比度特性。 It can be seen from the above embodiments that the liquid crystal composition provided by the present invention has a large elastic constant and can effectively improve the contrast of liquid crystal displays when used in IPS and FFS mode displays. Therefore, the IPS or FFS type TFT liquid crystal display device to which the liquid crystal composition provided by the present invention is suitable can reduce the dark state light leakage of the liquid crystal display, reduce the dark state light leakage of the liquid crystal display, can significantly improve the contrast of the liquid crystal display, and can improve the IPS or Contrast characteristics of FFS mode LCD.
雖然，上文中已經用一般性說明及具體實施方案對本發明作了詳盡的描述，但在本發明基礎上，可以對之作一些修改或改進，這對領域技術人員而言是顯而易見的。因此，在不偏離本發明精神的基礎上所做的這些修改或改進，均屬於本發明要求保護的範圍。 Although the general description and specific embodiments have been used to describe the present invention in detail above, it is obvious to those skilled in the art that some modifications or improvements can be made on the basis of the present invention. Therefore, these modifications or improvements made without departing from the spirit of the present invention belong to the scope of the present invention.
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| CN116162463A (en) * | 2021-11-24 | 2023-05-26 | 江苏和成显示科技有限公司 | Liquid crystal composition and application thereof |
| CN116162465A (en) * | 2021-11-24 | 2023-05-26 | 江苏和成显示科技有限公司 | Liquid crystal composition and liquid crystal display device comprising same |
| CN116162467A (en) * | 2021-11-24 | 2023-05-26 | 江苏和成显示科技有限公司 | Liquid crystal composition and liquid crystal display device |
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| JP4815671B2 (en) * | 2001-01-16 | 2011-11-16 | Ｄｉｃ株式会社 | Liquid crystal composition |
| EP3095834B9 (en) * | 2015-05-21 | 2019-09-04 | Merck Patent GmbH | Liquid-crystalline medium and liquid-crystal display comprising the same |
| DE102016009412A1 (en) * | 2015-08-05 | 2017-02-09 | Merck Patent Gmbh | Liquid crystalline medium |
| EP3228681B1 (en) * | 2016-04-07 | 2018-11-14 | Merck Patent GmbH | Liquid-crystalline medium and liquid-crystal display comprising the same |
| CN106010580B (en) * | 2016-05-25 | 2018-08-28 | 石家庄诚志永华显示材料有限公司 | Liquid-crystal composition and its application |
| EP3299438B1 (en) * | 2016-09-23 | 2020-01-15 | Merck Patent GmbH | Liquid-crystalline medium and liquid-crystal display comprising the same |
| DE102017010942A1 (en) * | 2016-12-08 | 2018-06-14 | Merck Patent Gmbh | Additives for liquid crystal mixtures |
| EP3421570B1 (en) * | 2017-06-30 | 2020-11-11 | Merck Patent GmbH | Liquid-crystalline medium and liquid-crystal display comprising the same |
| CN107384439A (en) * | 2017-07-27 | 2017-11-24 | 默克专利股份有限公司 | Liquid crystal media and the liquid crystal display for including it |
| WO2019048444A1 (en) * | 2017-09-08 | 2019-03-14 | Merck Patent Gmbh | Liquid-crystalline medium and liquid-crystal display comprising the same |
| KR102677218B1 (en) * | 2017-09-26 | 2024-06-21 | 메르크 파텐트 게엠베하 | Liquid-crystalline medium and liquid-crystal display comprising the same |
| CN111315847A (en) * | 2017-10-18 | 2020-06-19 | 默克专利股份有限公司 | Liquid crystal medium and liquid crystal display comprising same |
| CN109666485B (en) * | 2018-05-18 | 2021-08-27 | 石家庄诚志永华显示材料有限公司 | Liquid crystal composition, liquid crystal display element and liquid crystal display |
| KR20210025634A (en) * | 2018-06-29 | 2021-03-09 | 메르크 파텐트 게엠베하 | Thiophene compound, liquid crystal medium, and liquid crystal display comprising the same |
| JP7529388B2 (en) * | 2018-07-12 | 2024-08-06 | メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツング | Thiophene compound, liquid crystal medium, and liquid crystal display containing same |
| US20230045269A1 (en) * | 2018-11-07 | 2023-02-09 | Merck Patent Gmbh | Liquid-crystalline medium and liquid-crystal display comprising the same |
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| CN115960614B (en) * | 2023-01-06 | 2024-08-27 | 北京八亿时空液晶科技股份有限公司 | Positive liquid crystal composition with high contrast and application thereof |
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