TWI828910B - Liquid-crystalline medium - Google Patents

Abstract

The invention relates to a liquid-crystalline medium which comprises the compound of the formula I,

Description

liquid crystal medium

The present invention relates to a liquid crystal medium containing a compound of formula I, Such media can be used in particular for electro-optical displays with active matrix addressing based on the ECB effect and IPS (In-Plane Switching) displays or FFS (Fringe Field Switching) displays.

The principle of the electrically controlled birefringence (ECB) effect or the deformation of additional alignment phase (DAP) effect was first described in 1971 (MF Schieckel and K. Fahrenschon, "Deformation of nematic liquid crystals with vertical orientation in electrical fields", Appl. Phys . Lett. 19 (1971), 3912). It was subsequently described in papers by JF Kahn (Appl. Phys. Lett. 20 (1972), 1193) and G. Labrunie and J. Robert (J. Appl. Phys. 44 (1973), 4869). J. Robert and F. Clerc (SID 80 Digest Techn. Papers (1980), 30), J. Duchene (Displays 7 (1986), 3), and H. Schad (SID 82 Digest Techn. Papers (1982), 244) The paper shows that the liquid crystal phase must have a high ratio of elastic constant K ₃ /K ₁ , high optical anisotropy Δn value and dielectric anisotropy value Δε≤-0.5 to be suitable for high information display elements based on the ECB effect. Electro-optical display elements based on the ECB effect have vertical edge alignment (VA technology = vertical alignment). Dielectric negative liquid crystal media can also be used in displays using the so-called IPS or FFS effect. Except for in-plane switching (IPS) displays (for example: Yeo, SD, Paper 15.3: "An LC Display for the TV Application", SID 2004 International Symposium, Digest of Technical Papers, XXXV, Volume II, pages 758 and 759 ) and the early known twisted nematic (TN) displays, displays using the ECB effect, such as so-called vertical alignment nematic (VAN) displays, such as multi-domain vertical alignment (MVA), such as Yoshide, H. et al., Paper 3.1: "MVA LCD for Notebook or Mobile PCs...", SID 2004 International Symposium, Digest of Technical Papers, XXXV, Volume I, pages 6 to 9, and Liu, CT et al., Paper 15.1: "A 46-inch TFT-LCD HDTV Technology ...", SID 2004 International Symposium, Digest of Technical Papers, XXXV, Volume II, pages 750 to 753), Patterned Vertical Alignment (PVA, e.g. : Kim, Sang Soo, Document 15.4: "Super PVA Sets New State-of-the-Art for LCD-TV", SID 2004 International Symposium, Digest of Technical Papers, XXXV, Volume II, pages 760 to 763), Advanced Super View (ASV, for example: Shigeta, Mitzuhiro and Fukuoka, Hirofumi, Document 15.2: "Development of High Quality LCDTV", SID 2004 International Symposium, Digest of Technical Papers, XXXV, Volume II, pages 754 to 757) The LCD display itself has established itself as one of the three most important newer LCD displays (especially for television applications). Such technologies are discussed in, for example, Souk, Jun, SID Seminar 2004, Seminar M-6: "Recent Advances in LCD Technology", Seminar Lecture Notes, M-6/1 to M-6/26 and Miller, Ian, SID Seminar 2004 , Seminar M-7: "LCD-Television", Seminar Lecture Notes, M-7/1 to M-7/32 for comparison in general form. Although the response time of modern ECB displays has been significantly improved by using overdrive addressing methods, for example: Kim, Hyeon Kyeong et al., Paper 9.1: "A 57-in. Wide UXGA TFT-LCD for HDTV Application", SID 2004 International Symposium, Digest of Technical Papers, XXXV, Volume I, pages 106 to 109. However, the achievement of video compatibility response time, especially regarding grayscale conversion, is still an issue that has not yet been satisfactorily solved. The industrial application of this effect in electro-optical display components requires an LC phase, which must meet various requirements. In this context, chemical resistance to moisture, air, and physical influences such as heat, infrared, visible and ultraviolet radiation, and DC and AC electric fields are of particular importance. In addition, an industrially usable LC phase is necessary to have a liquid crystalline mesophase within a suitable temperature range and at low viscosity. The series of compounds with liquid crystalline mesophases disclosed so far do not include a single compound that meets all of these requirements. Therefore generally mixtures of two to 25, preferably three to 18 compounds are prepared to obtain materials that can be used as LC phases. However, it is not possible to easily prepare optimal phases in this way, since liquid crystal materials with significant negative dielectric anisotropy and sufficient long-term stability have not yet been obtained. Matrix liquid crystal displays (MLC displays) are known. Nonlinear elements that can be used for individual switching of individual pixels are, for example, active elements (ie transistors). The term "active matrix" is subsequently used, where a distinction can be made between two types: 1. Metal Oxide Semiconductor (MOS) transistors on silicon wafers as substrate 2. Thin Film Transistors (TFTs) on glass plates as substrate. In the case of type 1, the electro-optical effects used are usually dynamic scattering or guest-host effects. The use of monocrystalline silicon as the substrate material limits display size because even modules that assemble various parts of the display can cause problems at the joints. In the case of the more promising type 2 (which is better), the electro-optical effect is used, usually the TN effect. A distinction is made between two technologies: TFTs containing compound semiconductors such as CdSe or TFTs based on polycrystalline or amorphous silicon. The latter technique is widely used around the world. A TFT matrix is coated on the inside of one glass plate of the display, while the other glass plate carries a transparent counter electrode on its inside. Compared with the size of the pixel electrode, TFT is extremely small and has virtually no adverse effect on the image. This technology could also be carried over to full-color energy displays, where a chimera of red, green, and blue filters is arranged in such a way that the filter element is opposite each switchable pixel. The term MLC display herein covers any matrix display with integrated non-linear elements, that is, in addition to the active matrix, the display also has passive elements, such as varistors or diodes (MIM = Metal-Insulator-Metal). This type of MLC display is particularly suitable for TV applications (such as pocket TVs) or high-information displays in automobile or aircraft structures. In addition to problems regarding the angular dependence of contrast and response time, difficulties arise in MLC displays due to the insufficiently high specific resistance of the liquid crystal mixture [TOGASHI, S., SEKIGUCHI, K., TANABE, H., YAMAMOTO, E. , SORIMACHI, K., TAJIMA, E., WATANABE, H., SHIMIZU, H., Proc. Eurodisplay 84, September 1984: A 210-288 Matrix LCD Controlled by Double Stage Diode Rings, pp. 141 et seq., Paris; STROMER, M., Proc. Eurodisplay 84, September 1984: Design of Thin Film Transistors for Matrix Addressing of Television Liquid Crystal Displays, pp. 145 et seq., Paris]. As the resistance decreases, the contrast ratio of the MLC display deteriorates. Since the specific resistance of the liquid crystal mixture generally decreases with the life of the MLC display due to interaction with the inner surface of the display, high (initial) resistance is extremely important for displays that must have acceptable resistance values over long periods of operation. Therefore, there is still a strong need for MLC displays with fast response times along with a wide operating temperature range and low threshold voltage, so that various gray scales can be produced. Disadvantages of commonly used MLC-TN displays are due to their relatively low contrast ratio, relatively high viewing angle dependence and the difficulty of generating grayscale in such displays. VA displays have significantly better viewing angle dependence. Therefore it is mainly used in TVs and monitors. However, there is still a need to improve the response time here, especially when considering the use of TVs with frame rates (image change frequency/refresh rate) greater than 60 Hz. However, at the same time properties such as low temperature stability must not be compromised.

The present invention is based on the object of providing liquid crystal mixtures based on the ECB effect or based on the IPS or FFS effect, especially for monitor and TV applications, which liquid crystal mixtures do not have the disadvantages indicated above, or only have them to a reduced extent. shortcoming. Specifically, it is necessary to ensure that monitors and televisions operate at extremely high and extremely low temperatures, have extremely short response times, and at the same time have improved reliability behavior, especially without displaying image retention or showing significant degradation after long periods of operation. The image remains. Unexpectedly, if the compound of formula I is used in a liquid crystal mixture, especially an LC mixture with negative dielectric anisotropy, preferably for VA, IPS and FFS displays, and further for PM (passive matrix)-VA displays, it can Reduce the ratio of rotational viscosity γ1 to elastic constant K33 (γ1/K33), thus improving the reaction time. Unexpectedly, the compound of formula I possesses both extremely low rotational viscosity and high absolute value of dielectric anisotropy. Therefore, it is possible to prepare liquid crystal compounds with extremely short reaction times, excellent phase characteristics and excellent low-temperature behavior, preferably VA, IPS and FFS mixtures. Therefore, the present invention relates to a liquid crystal medium as in technical scheme 1, which contains a compound of formula I. The mixture of the present invention preferably exhibits an extremely wide nematic phase range, and has a clear point ≥ 68°C, preferably ≥ 70°C, exhibits a very favorable capacitance threshold value, a relatively high retention rate value, and simultaneously operates at -20°C and Excellent low temperature stability at -30℃, low rotational viscosity and short reaction time. Furthermore, in addition to an improvement in the rotational viscosity γ ₁ , the mixtures of the invention are distinguished by the observable relatively high values of the elastic constant K ₃₃ for improved reaction times. Some preferred embodiments of the mixtures of the invention are indicated below. Based on the mixture as a whole, the compound of formula I is preferably used in the liquid crystal medium in an amount of ≥1% by weight, preferably ≥3% by weight. Particularly preferred are liquid-crystalline media containing 5 to 30% by weight, very particularly preferably 5 to 15% by weight, of a compound of formula I. Preferred embodiments of the liquid crystal medium of the invention are indicated below: a) a liquid crystal medium additionally comprising one or more compounds selected from the group of compounds of formulas IIA, IIB and IIC, IIA IIB IC wherein R ^2A , R ^2B and R ^2C each independently represent H; an alkyl or alkenyl group having up to 15 C atoms, which is unsubstituted, monosubstituted with CN or CF ₃ or at least monosubstituted with halogen, wherein, In addition, one or more of the CH ₂ groups in these groups may be passed through -O-, -S-, , -C≡C-, -CF ₂ O-, -OCF ₂ -, -OC-O- or -O-CO- substitution; or a cycloalkyl ring with 3 to 6 C atoms, L ^1-4 each Independently represents F, Cl, CF ₃ or CHF ₂ , Z ² and Z ^2' each independently represents a single bond, -CH ₂ CH ₂ -, -CH=CH-, -CF ₂ O-, -OCF ₂ -, -CH ₂ O-, -OCH ₂ -, -COO-, -OCO-, -C ₂ F ₄ -, -CF=CF-, -CH=CHCH ₂ O-, p represents 1 or 2, q represents 0 or 1, and v represents 1 to 6. In the compounds of formula IIA and IIB, ^Z2 may have the same or different meanings. In compounds of formula IIB, Z ² and Z ^{2 '} may have the same or different meanings. In the compounds of formulas IIA, IIB and IIC, each of R ^2A , R ^2B and R ^2C preferably represents an alkyl group having 1 to 6 C atoms, especially CH ₃ , C ₂ H ₅ , nC ₃ H ₇ , nC ₄ H ₉ , nC ₅ H ₁₁ . In the compounds of formulas IIA and IIB, L ¹ , L ² , L ³ and L ⁴ preferably represent L ¹ = L ² = F, and L ³ = L ⁴ = F, in addition L ¹ = F, and L ² = Cl, L ¹ = Cl, and L ² = F, L ³ = F, and L ⁴ = Cl, L ³ = Cl, and L ⁴ = F. Z ² and Z ² ' in formulas IIA and IIB preferably each independently represent a single bond, and furthermore represent a -C ₂ H ₄ - or -CH ₂ O- bridge. If in formula IIB, Z ² =-C ₂ H ₄ - or -CH ₂ O-, then Z ^{2 '} is preferably a single bond, or if Z ^{2 '} = -C ₂ H ₄ - or -CH ₂ O- , then Z ² is preferably a single bond. In the compounds of formula IIA and IIB, (O)C _v H _{2v + 1} preferably represents OC _v H _{2v + 1} , in addition C _v H _{2v + 1} . In the compounds of formula IIC, (O)C _v H _{2v + 1} preferably represents C _v H _{2v + 1} . In the compound of formula IIC, L ³ and L ⁴ preferably each represent F. Preferred compounds of formula IIA, IIB and IIC are indicated below: , where alkyl and alkyl* each independently represent a straight-chain alkyl group having 1 to 6 C atoms. Particularly preferred mixtures of the invention comprise one or more of the formulas IIA-2, IIA-8, IIA-14, IIA-26, IIA-28, IIA-33, IIA-39, IIA-45, IIA-46, IIA- 47. Compounds of IIB-2, IIB-11, IIB-16 and IIC-1. The proportion of compounds of formula IIA and/or IIB in the entire mixture is preferably at least 20% by weight. Particularly preferred media of the present invention comprise at least one compound of formula IIC-1, , wherein alkyl and alkyl* have the meanings indicated above, and their amount is preferably >3% by weight, especially >5% by weight and especially preferably 5 to 25% by weight. b) a liquid crystal medium further comprising one or more compounds of formula III, III wherein R ³¹ and R ³² each independently represent a straight-chain alkyl, alkoxyalkyl or alkoxy group having up to 12 C atoms, and express , , , or Z ³ represents a single bond, -CH ₂ CH ₂ -, -CH=CH-, -CF ₂ O-, -OCF ₂ -, -CH ₂ O-, -OCH ₂ -, -COO-, -OCO-, - C ₂ F ₄ -, -C ₄ H ₈ -, -CF=CF-. Preferred compounds of formula III are indicated below: Where alkyl and alkyl* each independently represent a straight-chain alkyl group having 1 to 6 C atoms. The medium of the invention preferably contains at least one compound of formula IIIa and/or formula IIIb. The proportion of the compound of formula III in the overall mixture is preferably at least 5% by weight. c) Liquid crystalline media additionally containing one or more tetracyclic compounds of the formula: V-1 V-2 V-3 V-4 V-5 V-6 V-7 V-8 V-9 wherein R ^7-10 each independently has one of the meanings indicated for R ^2A in technical solution 2, and w and x each independently represent 1 to 6. Particularly preferred are mixtures containing at least one compound of formula V-9. d) Liquid crystal media further comprising one or more compounds of the formulas Y-1 to Y-6, Y-1 Y-2 Y-3 Y-4 Y-5 Y-6 wherein R ¹⁴ to R ¹⁹ each independently represents an alkyl group or alkoxy group having 1 to 6 C atoms; z and m each independently represent 1 to 6; x represents 0, 1, 2 or 3. The medium of the present invention particularly preferably contains one or more compounds of formulas Y-1 to Y-6, preferably in an amount of ≥5% by weight. e) a liquid crystal medium further comprising one or more fluorinated terphenyls of the formulas T-1 to T-21, T-1 T-2 T-3 T-4 T-5 T-6 T-7 T-8 T-9 T-10 T-11 T-12 T-13 T-14 T-15 T-16 T-17 T-18 T-19 T-20 T-21 where R represents a linear alkyl or alkoxy group having 1 to 7 C atoms or an alkenyl group having 2 to 7 C atoms, and m = 0, 1, 2, 3, 4, 5 or 6 , and n represents 0, 1, 2, 3 or 4. R preferably represents methyl, ethyl, propyl, butyl, pentyl, hexyl, methoxy, ethoxy, propoxy, butoxy, and pentyloxy. The medium of the present invention preferably contains terphenyl of the formulas T-1 to T-21 in an amount of 2 to 30% by weight, especially 5 to 20% by weight. Particularly preferred are compounds of formulas T-1, T-2, T-20 and T-21. In these compounds, R preferably represents an alkyl group and, moreover, an alkoxy group, each of which has from 1 to 5 C atoms. In the compounds of formula T-20, R preferably represents an alkyl or alkenyl group, especially an alkyl group. In the compound of formula T-21, R preferably represents an alkyl group. If the Δn value of the mixture is to be ≥0.1, then terphenyl is preferably used in the mixture of the present invention. Preferred mixtures contain 2 to 20% by weight of one or more terphenyl compounds selected from the group of compounds T-1 to T-21. f) a liquid crystal medium further comprising one or more biphenyls of the formulas B-1 to B-4, wherein alkyl and alkyl* each independently represent a straight-chain alkyl group having 1 to 6 C atoms, and alkenyl and alkenyl* each independently represent a straight-chain alkenyl group having 2 to 6 C atoms, and Alkoxy represents a straight-chain alkoxy group having 1 to 6 C atoms. The proportion of biphenyl of the formulas B-1 to B-4 in the overall mixture is preferably at least 3% by weight, especially ≥5% by weight. Among the compounds of formulas B-1 to B-4, the compound of formula B-2 is particularly preferred. Particularly preferred biphenyl is , where alkyl* represents an alkyl group having 1 to 6 C atoms. The medium of the present invention particularly preferably contains one or more compounds of formula B-1a and/or B-2c. g) a liquid crystal medium containing at least one compound of the formulas Z-1 to Z-7, wherein R represents a straight-chain alkyl or alkoxy group having 1 to 7 C atoms or an alkenyl group having 2 to 7 C atoms, alkyl represents an alkyl group having 1 to 6 C atoms, and (O) alkyl The group represents an alkyl or O-alkyl group. h) a liquid crystal medium containing at least one compound of the formulas O-1 to O-17, O-1 O-2 O-3 O-4 O-5 O-6 O-7 O-8 O-9 O-10 O-11 O-12 O-13 O-14 O-15 O-16 O-17 wherein R ¹ and R ² have the meaning indicated for R ^2A , and the compound of formula O-17 is not the same as the compound of formula I. Preferably, R ¹ and R ² each independently represent a linear alkyl group having 1 to 6 C atoms, or R ¹ represents a linear alkyl group having 1 to 6 C atoms, and R ² represents a linear alkyl group having 2 to 6 C atoms. Alkenyl group of C atom. Preferred media include one or more of the formulas O-1, O-3, O-4, O-5, O-9, O-12, O-14, O-15, O-16 and/or O-17 compound. The mixtures according to the invention very particularly preferably comprise compounds of the formulas O-9, O-12, O-16 and/or O-17, in particular in amounts from 5 to 30%. Preferred compounds of formula O-9 and O-17 are as follows: O-9a O-9b O-17a O-17b O-17c O-17d The medium of the present invention particularly preferably contains tricyclic compounds of formula O-9a and/or formula O-9b and one or more bicyclic compounds of formulas O-17a to O-17d. The total proportion of compounds of formula O-9a and/or O-9b and one or more bicyclic compounds selected from formulas O-17a to O-17d is preferably 5 to 40%, most preferably 15 to 35 %. Very particularly preferred mixtures include compounds O-9a and O-17a: O-9a O-17a. Compounds O-9a and O-17a are preferably present in the mixture at a concentration of 15 to 35%, particularly preferably 15 to 25%, and particularly preferably 18 to 22% based on the mixture as a whole. Very particularly preferred mixtures include compounds O-9b and O-17a: O-9b O-17a. Compounds O-9b and O-17a are preferably present in the mixture at a concentration of 15 to 35%, particularly preferably 15 to 25%, and particularly preferably 18 to 22% based on the mixture as a whole. Very particularly preferred mixtures contain the following three compounds: O-9a O-9b O-17a. Compounds O-9a, O-9b and O-17a are preferably present in the mixture at a concentration of 15 to 35%, particularly preferably 15 to 25% and particularly preferably 18 to 22%, based on the mixture as a whole. In addition, a preferred compound of formula O-17 is a compound selected from the group of compounds of the following formula O-17e O-17f O-17g O-17h O-17i , O-17j In each case, the amount is preferably ≥3% by weight, especially ≥10% by weight. i) Liquid crystalline media containing one or more compounds of the formula BA wherein alkenyl and alkenyl* each independently represent a straight-chain alkenyl group having 2 to 12 C atoms, express , or , Z ³ represents a single bond, -CH ₂ CH ₂ -, -CH=CH-, -CF ₂ O-, -OCF ₂ -, -CH ₂ O-, -OCH ₂ -, -COO-, -OCO-, -C ₂ F ₄ -, -C ₄ H ₈ -, -CF=CF-. Preferred compounds of formula BA are indicated below: BA-1 BA-2 BA-3 BA-4 BA-5. Preferred mixtures contain 5 to 60% by weight, preferably 10 to 55% by weight, especially 20 to 50% by weight of the compound of formula O-17e O-17e. In addition, it is preferable to include compound O-17e and compound O-17i The total amount of the liquid crystal mixture is preferably 3 to 60% by weight. j) Preferred liquid crystal media of the present invention comprise one or more substances containing tetrahydronaphthyl or naphthyl units, such as compounds of formulas N-1 to N-5, N-1 N-2 N-3 N-4 N-5 Wherein R ^1N and R ^2N each independently have the meaning indicated for R ^2A , preferably linear alkyl, linear alkoxy or linear alkenyl, and Z ¹ and Z ² each independently represent -C ₂ H ₄ -, -CH=CH-, -(CH ₂ ) ₄ -, -(CH ₂ ) ₃ O-, -O(CH ₂ ) ₃ -, -CH=CHCH ₂ CH ₂ -, -CH ₂ CH ₂ CH=CH-, -CH ₂ O-, -OCH ₂ -, ‌-COO-, -OCO-, -C ₂ F ₄ -, -CF=CF-, -CF=CH-, -CH=CF- , -CF ₂ O-, -OCF ₂ -, -CH ₂ - or single bond. k) Preferred mixtures contain one or more compounds selected from the group consisting of: difluorodibenzo of formula BC Alkane compound, formula CR Alkanes, fluorinated phenanthrenes of formulas PH-1 and PH-2, fluorinated dibenzofurans of formulas BF-1 and BF-2, and fluorinated dibenzothiophenes of formulas BS-1 and BS-2, B.C. CR PH-1 PH-2 BF-1 BF-2 BS-1 BS-2 wherein R ^B1 , R ^B2 , R ^CR1 , R ^CR2 , R ¹ and R ² each independently have the meaning of R ^2A . c is 0, 1 or 2. d is 1 or 2. R ¹ and R ² each preferably independently represent an alkyl, alkoxy, alkenyl or alkenyloxy group having 1 to 6 or 2 to 6 C atoms. The mixture of the present invention preferably contains the formulas BC, CR, PH-1, PH-2, BF-1, BF-2, BS-1 and /or BS-2 compounds. Particularly preferred compounds of formulas BC, CR, BF and BS are compounds BC-1 to BC-7 and CR-1 to CR-5, wherein alkyl and alkyl* each independently represent a straight-chain alkyl group having 1 to 6 C atoms, and alkenyl and alkenyl* each independently represent a straight-chain alkenyl group having 2 to 6 C atoms, And the alkenyloxy group represents a straight-chain alkenyloxy group having 2 to 6 C atoms. Very particularly preferred are mixtures containing one, two or three compounds of the formula BC-2 and/or BF-1a. l) Preferably the mixture contains one or more indan compounds of formula In, In wherein R ¹¹ , R ¹² and R ¹³ each independently represent a straight-chain alkyl group, alkoxy group, alkoxyalkyl group or alkenyl group having 1 to 6 C atoms or 2 to 6 C atoms, R ¹² and R ¹³ additionally represents halogen, preferably F, express , , i represents 0, 1 or 2. Preferred compounds of formula In are compounds of formulas In-1 to In-16 as indicated below: In-1 In-2 In-3 In-4 In-5 In-6 In-7 In-8 In-9 In-10 In-11 In-12 In-13 In-14 In-15 In-16 Particularly preferred are compounds of the formulas In-1, In-2, In-3 and In-4. The compounds of the formula In and sub-formulas In-1 to In-16 are preferably used in the mixtures of the invention at a concentration of ≥5% by weight, especially from 5 to 30% by weight and very particularly preferably from 5 to 25% by weight. m) Preferred mixtures additionally comprise one or more compounds of the formulas L-1 to L-11, Wherein R, R ¹ and R ² each independently have the meaning indicated for R ^2A in technical scheme 2, and the alkyl group represents an alkyl group having 1 to 6 C atoms. s means 1 or 2. Particularly preferred are compounds of formulas L-1 and L-4, especially L-4. The compounds of the formulas L-1 to L-11 are preferably used in a concentration of 5 to 50% by weight, especially 5 to 40% by weight and very particularly preferably 10 to 40% by weight. n) The medium additionally contains one or more compounds of the formula EY EY Wherein R ¹ and R ^{1 *} each independently have the meaning indicated for R ^2A in technical solution 2, and L ¹ and L ² each independently represent F, Cl, CF ₃ or CHF ₂ . In the compound of formula EY, R ¹ and R ^{1 *} preferably represent an alkoxy group having ≥2 C atoms, and L ¹ =L ² =F. Particularly preferred are compounds of the following formula EY-1 EY-2 EY-3 EY-4 EY-5 EY-6 EY-7 EY-8 EY-9 EY-10 EY-11 EY-12 EY-13 EY-14 EY-15 EY-16 EY-17 EY-18 EY-19 EY-20 EY-21 EY-22 EY-23 EY-24 EY-25 EY-26. o) The medium additionally contains one or more compounds selected from the following formula: Q-1 Q-2 Q-3 Q-4 Q-5 Q-6 Q-7 Q-8 Q-9. In the compounds of formulas Q-1 to Q-9, R ^Q and X ^Q each independently have the meaning of R ^2A in technical scheme 2. R ^Q and X ^Q preferably represent straight-chain alkyl groups having 1 to 6 C atoms, especially 2 to 5 C atoms. Particularly preferred mixture concepts are indicated as follows: (The acronyms used are described in Tables 1-3 and Table A. n and m herein each independently represent 1 to 6). The mixture according to the invention preferably contains a compound of formula I and one or more compounds of formula O-17, preferably also a compound of formula CCH-23, and/or a compound of formula I and CCH-25, CCH-34 and/or CCH-35 , and/or -CPY-n-Om, especially CPY-2-O2, CPY-3-O2 and/or CPY-5-O2, based on the mixture as a whole, the concentration is preferably >5%, especially 10 to 30%, and/or -B-nO-Om, the concentration is preferably 1 to 15, and/or -CY-n-Om, preferably CY-3-O2, CY-3-O4, CY-5- O2 and/or CY-5-O4, based on the mixture as a whole, its concentration is preferably >5%, especially 15-50%, and/or -CCY-n-Om, preferably CCY-4-O2, CCY -3-O2, CCY-3-O3, CCY-3-O1 and/or CCY-5-O2, based on the mixture as a whole, the concentration is preferably > 5%, especially 10 to 30%, and/or - CLY-n-Om, preferably CLY-2-O4, CLY-3-O2 and/or CLY-3-O3, based on the mixture as a whole, its concentration is preferably > 5%, especially 10 to 30%, and / or - CK-nF, preferably CK-3-F, CK-4-F and/or CK-5-F, based on the mixture as a whole, preferably > 5%, especially 5 to 25%. In addition, the preferred mixture of the present invention includes the following mixture concepts: (n and m each independently represent 1 to 6.) - CPY-n-Om and CY-n-Om, based on the mixture as a whole, their concentrations are preferred It is 10 to 80%, and/or -CPY-n-Om and CK-nF. Taking the mixture as a whole, its concentration is preferably 10 to 70%, and/or -CPY-n-Om and PY-n- Om, preferably CPY-2-O2 and/or CPY-3-O2 and PY-3-O2, based on the mixture as a whole, its concentration is preferably 10 to 40%, and/or - CPY-n-Om and CLY-n-Om, based on the mixture as a whole, its concentration is preferably 10 to 80%, and/or -CC-3-V1, its amount is preferably 3 to 15% and/or CC-VV, its amount Preferably it is 5 to 60% and/or CC-3-V, its amount is preferably 5 to 60% and/or PGIY-n-Om, its amount is preferably 3 to 15%, and/or CC-n -2V1, the amount is preferably 3 to 20%. In addition, the present invention relates to an electro-optical device with active matrix addressing based on ECB, VA, PS-VA, PVA, PM-VA, SS-VA, IPS, PS-IPS, FFS or PS-FFS effect, especially UB-FFS. A display is characterized in that it contains one or more of the liquid crystal medium as in technical solutions 1 to 14 as a dielectric. The liquid crystal medium of the present invention preferably has a nematic phase at ≤-20°C to ≥70°C, particularly preferably ≤-30°C to ≥80°C, and most preferably ≤-40°C to ≥90°C.

The expression "having a nematic phase" means here that on the one hand, no smectic phase and crystallization are observed at low temperatures at the corresponding temperatures, and on the other hand, no clearing of the nematic phase occurs on heating. Studies at low temperatures were carried out in a flow viscometer at the corresponding temperatures and verified by storage in a test cell with a layer thickness corresponding to the electro-optical use for at least 100 hours. If the storage stability at -20°C in the corresponding test unit is 1000 hours or more, the medium is said to be stable at this temperature. At temperatures of -30°C and -40°C, the corresponding times are 500 hours and 250 hours respectively. At high temperatures, the clear point is measured in the capillary tube by conventional methods. The liquid crystal mixture preferably has a nematic range of at least 60 K and at most 30 mm at 20°C² ∙s^{- 1} The flow viscosity ν₂₀ . The birefringence value Δn in the liquid crystal mixture is generally from 0.07 to 0.16, preferably from 0.08 to 0.13. The liquid crystal mixture of the present invention has a Δε of -0.5 to -8.0, especially -2.5 to -6.0, where Δε represents dielectric anisotropy. Rotational viscosity γ at 20℃₁ Preferably it is ≤150 mPa∙s, especially ≤130 mPa∙s. The liquid crystal medium of the present invention has a relatively small threshold voltage (V₀ )value. It is preferably in the range of 1.7 V to 3.0 V, preferably ≤2.5 V and most preferably ≤2.3 V. For the purpose of this invention, unless otherwise expressly indicated, the term "threshold voltage" refers to the capacitance threshold value (V₀ ), also known as the Fredericks threshold. In addition, the liquid crystal medium of the present invention has a high voltage retention value in the liquid crystal cell. Generally speaking, a liquid crystal medium with a low addressing voltage or threshold voltage exhibits a lower voltage retention than a liquid crystal medium with a higher addressing voltage or threshold voltage, and vice versa. For the purpose of the present invention, the term "dielectrically positive compound" means a compound with Δε>1.5, the term "dielectrically neutral compound" means a compound with -1.5≤Δε≤1.5, and the term "dielectrically negative compound" means a compound with Δε Compounds with ε<-1.5. In this article, the dielectric anisotropy of a compound is determined by dissolving 10% of the compound in a liquid crystal host and measuring the capacitance of the resulting mixture in at least one test cell, the layer thickness of which in each case being 20 µm with vertical and homogeneous surface alignment at 1 kHz. The measured voltages were typically 0.5 V to 1.0 V, but were always below the capacitance threshold of the respective liquid crystal mixtures studied. All temperature values indicated for the present invention are in °C. The mixtures of the present invention are suitable for all VA-TFT applications such as VAN, MVA, (S)-PVA, ASV, PSA (polymer-supported VA), SS (surface-stabilized)-VA and PS-VA (polymer-stabilized type VA). In addition, it is suitable for IPS (in-plane switching type) and FFS (fringe field switching type) with negative Δε, especially UB-FFS. The nematic liquid crystal mixture in the display of the present invention generally contains two components A and B, which itself is composed of one or more individual compounds. Component A has significant negative dielectric anisotropy and imparts a dielectric anisotropy of ≤-0.5 to the nematic phase. In addition to one or more compounds of formula I, they preferably comprise compounds of formula IIA, IIB and/or IIC, in addition to compounds of formula III. The proportion of component A is preferably from 45 to 100%, especially from 60 to 100%. For component A, it is preferred to select one (or more) individual compounds with a Δε value ≤ -0.8. It must be true that the more negative this value is, the smaller the proportion of A in the overall mixture. Component B has obvious nematic primordial groups, and the flow viscosity is not greater than 30 mm at 20°C.² ∙s^{- 1} , preferably no larger than 25 mm² ∙s^{- 1} . A variety of suitable materials are known to those skilled in the art from the literature. Particularly preferred are compounds of formula III. Especially preferred individual compounds in component B have a flow viscosity of not more than 18 mm at 20°C.² ∙ s^{- 1} , preferably no larger than 12 mm² ∙ s^{- 1} Very low viscosity nematic liquid crystal. Component B is unitropic or tautotropic nematic, has no smectic phase and can prevent the occurrence of smectic phase in the liquid crystal mixture when the temperature drops to extremely low temperatures. For example, if various highly nematic primitive materials are in each case added to a smectic liquid crystal mixture, the nematic primitives of these materials can be compared by the degree of smectic phase suppression achieved. The mixture optionally also contains component C, which contains compounds having a dielectric anisotropy Δε of ≥1.5. Taking the mixture of negative dielectric anisotropy as a whole, these so-called positive compounds are generally present in an amount of ≤20% by weight in the mixture. If the mixture of the present invention contains one or more compounds with dielectric anisotropy Δε≥1.5, it is preferably one or more compounds of the formula P-1 and/or P-2, P-1 P-2 in R represents a straight-chain alkyl, alkoxy or alkenyl group, each having 1 or 2 to 6 C atoms, respectively, and X represents F, Cl, CF₃ ,OCF₃ ,OCHFCF₃ or CCF₂ CHFCF₃ , preferably F or OCF₃ . The compounds of formula P-1 and/or P-2 are preferably used in the mixture of the invention at a concentration of 0.5 to 10% by weight, especially 0.5 to 8% by weight. Particularly preferred are compounds of the following formula, It is preferably used in an amount of 0.5 to 3% by weight. In addition, these liquid crystal phases may also contain more than 18 components, preferably 18 to 25 components. In addition to one or more compounds of formula I, the phases preferably contain from 4 to 15, especially from 5 to 12 and especially preferably <10 compounds of formula IIA, IIB and/or IIC and optionally III. In addition to the compounds of the formula I and the compounds of the formulas IIA, IIB and/or IIC and optionally III, other ingredients may also be present, for example, in an amount of up to 45%, but preferably up to 35%, especially up to 10%, of the total mixture. . The other ingredients are preferably selected from nematic or nematic protosubstances, in particular known substances of the following classes: oxyazobenzene, benzylidene aniline, biphenyl, terphenyl, phenyl benzoate or benzoic acid Cyclohexyl ester, phenyl cyclohexanecarboxylate or cyclohexanecarboxylate, phenylcyclohexane, cyclohexylbiphenyl, cyclohexylcyclohexane, cyclohexylnaphthalene, 1,4-dicyclohexylbiphenyl or cyclohexylbiphenyl Hexylpyrimidine, phenyl- or cyclohexyldioxane, optionally halogenated stilbene, benzyl phenyl ether, diphenyl acetylene and substituted cinnamate esters. The most important compounds suitable as components of this type of liquid crystal phase can be characterized by formula IV, R²⁰ -L-G-E-R^{twenty one} IV Among them, L and E each represent derived from 1,4-disubstituted benzene and cyclohexane rings, 4,4'-disubstituted biphenyl, phenylcyclohexane and cyclohexylcyclohexane systems, 2,5- Carbocyclic or heterocyclic systems formed by disubstituted pyrimidines and 1,3-dioxane rings, 2,6-disubstituted naphthalenes, dihydronaphthalenes and tetrahydronaphthalenes, quinazolines and tetrahydroquinazolines . G means -CH=CH- -N(O)=N- -CH=CQ-        CH=N(O)- -C≡C- -CH₂ -CH₂ - -CO-O-                             -CH₂ -O- -CO-S- -CH₂ -S- -CH=N-                                                                       -COO-Phe-COO- -CF₂ O-                                                                                                                                                                       -OCF₂ -                         -OCH₂ - -(CH₂ )₄ -                                                               (CH₂ )₃ O- Or C-C single bond, Q represents halogen, preferably chlorine or -CN, and R²⁰ and R^{twenty one} Each represents an alkyl, alkenyl, alkoxy, alkoxyalkyl or alkoxycarbonyloxy group having up to 18, preferably up to 8 carbon atoms, or one of these groups represents CN, NC,NO₂ ,NCS,CF₃ ,SF₅ ,OCF₃ , F, Cl or Br. In most of these compounds, R²⁰ and R^{twenty one} Unlike each other, one of these groups is usually an alkyl or alkoxy group. Other variations of the proposed substituents are also common. A variety of these materials or mixtures thereof are also commercially available. All such substances can be prepared by methods known from the literature. It will be obvious to those skilled in the art that the VA, IPS or FFS mixture of the present invention may also contain compounds in which, for example, H, N, O, Cl and F have been correspondingly isotopically substituted. In addition, based on the mixture of the present invention, the polymerizable compound (so-called reactive mesogen (RM), for example disclosed in U.S. 6,861,107) can be preferably present in an amount of 0.01 to 5% by weight, particularly preferably 0.2 to 2% by weight. concentration was added to the mixture. These mixtures may optionally also contain an initiator, as described, for example, in U.S. 6,781,665. Preferably an initiator (eg Irganox-1076 from BASF) is added to the mixture containing the polymerizable compound in an amount of 0 to 1%. Mixtures of this type can be used in so-called polymer-stabilized VA modes (PS-VA) or PSA (polymer-supported VA), where the polymerization of reactive mesogen groups is intended to take place in the liquid crystal mixture. The prerequisite for this is that the liquid crystal mixture itself does not contain polymerizable components that are also polymerized under the conditions in which the compound of formula M is polymerized. The polymerization is preferably carried out under the following conditions: using a UV-A lamp with a specified intensity for a specified period of time to polymerize the polymerizable components in the unit and applying a voltage (usually 10 to 30 V AC voltage, with a frequency in the range of 60 Hz to 1 kHz ). The UV-A light source used usually has an intensity of 50 mW/cm² Metal-halide vapor lamp or high-pressure mercury lamp. These are, for example, liquid crystalline compounds containing alkenyl or alkenyloxy side chains, such as compounds of the formula where n = 2, 3, 4, 5 or 6, Conditions for non-aggregation. In a preferred embodiment of the present invention, the polymerizable compound is selected from the group consisting of compounds of formula M R^Ma -A^M1 -(Z^M1 -A^M2 )_m1 -R^Mb M The individual groups have the following meanings: R^Ma and R^Mb Each independently represents P, P-Sp-, H, halogen, SF₅ ,NO₂ , alkyl, alkenyl or alkynyl, where the group R^Ma and R^Mb At least one of them preferably represents or contains the group P or P-Sp-, P represents a polymerizable group, Sp represents a spacer group or single bond, A^M1 and A^M2 Each independently represents an aromatic group, heteroaromatic group, alicyclic group or heterocyclic group, which preferably has 4 to 25 ring atoms, preferably C atoms, which also includes or may contain cyclized rings and which can be The situation is replaced by L alone or multiple times, L represents P; P-Sp-; OH; CH₂ OH; F; Cl; Br; I; -CN; -NO₂ ;-NCO;-NCS;-OCN;-SCN;-C(=O)N(R^x )₂ ;-C(=O)Y¹ ;-C(=O)R^x ;-N(R^x )₂ ; Optionally substituted silyl group; Optionally substituted aryl group with 6 to 20 C atoms; or linear or branched chain alkyl, alkoxy, alkylcarbonyl group with 1 to 25 C atoms, Alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy, wherein, in addition, one or more H atoms may be replaced by: F, Cl, P or P-Sp-, preferably P, P- Sp-, H, OH, CH₂ OH, halogen, SF₅ ,NO₂ , alkyl, alkenyl or alkynyl, Y¹ means halogen, Z^M1 Represents -O-, -S-, -CO-, -CO-O-, -OCO-, -O-CO-O-, -OCH₂ -, -CH₂ O-,-SCH₂ -, -CH₂ S-, -CF₂ O-, -OCF₂ -, -CF₂ S-,-SCF₂ -,-(CH₂ )_n1 -, -CF₂ CH₂ -, -CH₂ CF₂ -,-(CF₂ )_n1 -, -CH=CH-, -CF=CF-, -C≡C-, -CH=CH-, -COO-, -OCO-CH=CH-, CR⁰ R⁰⁰ or single key, R⁰ and R⁰⁰ Each independently represents H or an alkyl group having 1 to 12 C atoms, R^x represents P; P-Sp-; H; halogen; straight chain, branched chain or cyclic alkyl group with 1 to 25 C atoms, wherein, in addition, one or more non-adjacent CH₂ A group may be substituted by -O-, -S-, -CO-, -CO-O-, -O-CO-, -O-CO-O- in such a way that the O and/or S atoms are not directly bonded to each other. , and wherein, in addition, one or more H atoms may be replaced by F, Cl, P or P-Sp-; , optionally substituted aryl or aryloxy group having 6 to 40 C atoms; or optionally Substituted heteroaryl or heteroaryloxy groups having 2 to 40 C atoms, m1 represents 0, 1, 2, 3 or 4, and n1 means 1, 2, 3 or 4, The group R present in^Ma ,R^Mb At least one, preferably one, two or three of the substituents L, especially one or both of the substituents L represent the group P or P-Sp- or contain at least one group P or P-Sp-. Particularly preferred compounds of formula M are the following compounds, wherein R^Ma and R^Mb Each independently represents P; P-Sp-; H; F; Cl; Br; I; -CN; -NO₂ ;-NCO;-NCS;-OCN;-SCN;SF₅ ; Or a straight or branched chain alkyl group having 1 to 25 C atoms, wherein, in addition, one or more non-adjacent CH₂ The groups may each independently be replaced by the following substitutions in such a way that the O and/or S atoms are not directly bonded to each other: -C(R⁰ )=C(R⁰⁰ )-, -C≡C-, -N(R⁰⁰ )-, -O-, -S-, -CO-, -CO-O-, -O-CO-, -O-CO-O-, and wherein, in addition, one or more H atoms may be via F, Cl, Br, I, CN, P or P-Sp-substitution, where group R^Ma and R^Mb At least one of them preferably represents or contains the group P or P-Sp-, A^M1 and A^M2 Each independently represents 1,4-phenylene; naphthalene-1,4-diyl; naphthalene-2,6-diyl; phenanthrene-2,7-diyl; anthracene-2,7-diyl; fluorine- 2,7-diyl; coumarin; flavonoid, wherein, in addition, one or more CH groups in these groups may be replaced by N; cyclohexane-1,4-diyl, wherein, in addition, One or more non-adjacent CHs₂ The group can be replaced by O and/or S; 1,4-cyclohexenyl; bicyclo[1.1.1]pentane-1,3-diyl; bicyclo[2.2.2]octane-1,4- Diyl; spiro[3.3]heptane-2,6-diyl; piperidine-1,4-diyl; decalin-2,6-diyl; 1,2,3,4-tetralin- 2,6-diyl; indan-2,5-diyl; or octahydro-4,7-methyleneindane-2,5-diyl, where all such groups may be unsubstituted or L is single or poly-substituted, L represents P; P-Sp-; OH; CH₂ OH; F; Cl; Br; I; -CN; -NO₂ ;-NCO;-NCS;-OCN;-SCN;-C(=O)N(R^x )₂ ;-C(=O)Y¹ ;-C(=O)R^x ;-N(R^x )₂ ; Optionally substituted silyl group; Optionally substituted aryl group with 6 to 20 C atoms; or linear or branched chain alkyl, alkoxy, alkylcarbonyl group with 1 to 25 C atoms, Alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy, wherein in addition one or more H atoms may be replaced by F, Cl, P or P-Sp-, p represents a polymerizable group, Y¹ means halogen, R^x represents P; P-Sp-; H; halogen; straight chain, branched chain or cyclic alkyl group with 1 to 25 C atoms, wherein, in addition, one or more non-adjacent CH₂ A group may be substituted by -O-, -S-, -CO-, -CO-O-, -O-CO-, -O-CO-O- in such a way that the O and/or S atoms are not directly bonded to each other. , and wherein, in addition, one or more H atoms may be replaced by F, Cl, P or P-Sp-; optionally substituted aryl or aryloxy having 6 to 40 C atoms; or optionally substituted by Substituted heteroaryl or heteroaryloxy groups having 2 to 40 C atoms. Extremely preferred is R^Ma and R^Mb One or both of them represent compounds of formula M of P or P-Sp-. Suitable and preferred RMs for the liquid crystal medium and PS-VA display or PSA display of the present invention are selected from the following formula: M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 M16 M17 M18 M19 M20 M21 M22 M23 M24 M25 M26 M27 M28 M29 The individual groups have the following meanings: P¹ and P² Each independently represents a polymerizable group, which preferably has one of the meanings indicated above and below for P, especially acrylate, methacrylate, fluoroacrylate, oxetane, vinyloxy or epoxy, Sp¹ and Sp² Each independently represents a single bond or a spacer, which preferably has one of the meanings indicated above and below for Sp, and is particularly preferably -(CH₂ )_p1 -,-(CH₂ )_p1 -O-、-(CH₂ )_p1 -CO-O-or-(CH₂ )_p1 -O-CO-O-, where p1 is an integer from 1 to 12, and wherein the bond to the adjacent ring in the last-mentioned group is via an O atom, where the group P¹ -Sp¹ - and P² -Sp² - One of them can also represent R^aa , R^aa represents H; F; Cl; CN; or a straight or branched chain alkyl group with 1 to 25 C atoms, wherein, in addition, one or more non-adjacent CH₂ The groups may each independently undergo -C(R⁰ )=C(R⁰⁰ )-, -C≡C-, -N(R⁰ )-, -O-, -S-, -CO-, -CO-O-, -O-CO-, -O-CO-O- are substituted in such a way that the O and/or S atoms are not directly bonded to each other , and wherein, in addition, one or more H atoms may be via F, Cl, CN or P¹ -Sp¹ - Substitution, especially preferably linear or branched chain, optionally mono- or polyfluorinated, having 1 to 12 C atoms alkyl, alkoxy, alkenyl, alkynyl, alkylcarbonyl, alkoxycarbonyl or alkylcarbonyloxy (where alkenyl and alkynyl groups have at least two C atoms and branched chain groups have at least three C atoms), R⁰ ,R⁰⁰ each independently of the other and identically or differently on each occurrence represents H or an alkyl group having 1 to 12 C atoms, R^y and R^z Each represents H, F, CH independently of each other₃ or CF₃ , Z^M1 Represents -O-, -CO-, -C(R^y R^z )-or-CF₂ CF₂ -, Z^M2 and Z^M3 Each independently represents -CO-O-, -O-CO-, -CH₂ O-, -OCH₂ -, -CF₂ O-, -OCF₂ -or-(CH₂ )_n -, where n is 2, 3 or 4, L represents, identically or differently on each occurrence, F, Cl, CN or straight or branched chain, optionally mono- or polyfluorinated alkyl, alkoxy, alkenyl groups having 1 to 12 C atoms, Alkynyl, alkylcarbonyl, alkoxycarbonyl or alkylcarbonyloxy, preferably F, L' and L'' each independently represent H, F or Cl, r represents 0, 1, 2, 3 or 4, s represents 0, 1, 2 or 3, t represents 0, 1 or 2, and x represents 0 or 1. Suitable polymerizable compounds are listed, for example, in Table D. The liquid crystal medium of the present application preferably contains a total of 0.1 to 10%, preferably 0.2 to 4.0%, and especially preferably 0.2 to 2.0% of polymerizable compounds. Particularly preferred are polymerizable compounds of formula M and formulas RM-1 to RM-102. In addition, the mixture of the present invention may contain conventional additives, such as stabilizers, antioxidants, UV absorbers, nanoparticles, microparticles, etc. The structure of the liquid crystal display of the invention corresponds to common geometries as described, for example, in EP-A 0 240 379. The following examples are intended to explain the invention without limiting it. Above and below, percentage information represents weight percent; all temperatures are expressed in degrees Celsius. Throughout the patent application, 1,4-cyclohexylene ring and 1,4-phenylene ring are depicted as follows: The cyclohexyl ring is trans-1,4-cyclohexyl ring. Throughout the patent application and in the examples, the structure of the liquid crystal compounds is indicated by means of acronyms. Unless otherwise indicated, conversion to chemical formulas was performed according to Tables 1-3. All groups C_n H_{2n + 1} ,C_m H_{2m + 1} and C_{m '} H_{2m '+ 1} orC_n H_2n and C_m H_2m All are straight-chain alkyl or alkylene groups, with n, m, m' or z C atoms in each case. n, m, m' and z each independently represent 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 or 12, preferably 1, 2, 3, 4, 5 or 6. In Table 1, the ring elements of the respective compounds are coded, in Table 2, the bridging members are listed, and in Table 3, the meaning of the symbols indicating the left or right side chain of the compound.surface 1 : Ring element A AI B B(S) C D DI F FI G GI K L LI M MI N NI P S U UI Y Y(F,Cl) Y(Cl,F) surface 2 : bridge member E -CH ₂ CH ₂ - V -CH=CH- T -C≡C- W -CF ₂ CF ₂ - Z -COO- ZI -OCO- O -CH ₂ O- O.I. -OCH ₂ - Q -CF ₂ O- QI -OCF ₂ - surface 3 : side chain left side chain right side chain n- C _n H _2n+1 - -n -C _n H _2n+1 nO- C _n H _2n+1 -O- -On -OC _n H _2n+1 V- CH ₂ =CH- -V -CH=CH ₂ nV- C _n H _2n+1 -CH=CH- -nV -C _n H _2n -CH=CH ₂ Vn- CH ₂ =CH-C _n H _2n - -Vn -CH=CH-C _n H _2n+1 nVm- C _n H _2n+1 -CH=CH-C _m H _2m - -nVm -C _n H _2n -CH=CH-C _m H _2m+1 N- N≡C- -N -C≡N F- F- -F -F Cl- Cl- -Cl -Cl M- CFH ₂ - -M -CFH ₂ D- CF ₂ H- -D _-CF2H T- CF ₃ - -T -CF ₃ MO- CFH ₂ O- -OM -OCFH ₂ DO- CF ₂ HO- -OD -OCF ₂ H TO- CF ₃ O- -OT -OCF ₃ T- CF ₃ - -T -CF ₃ A- HC≡C- -A -C≡CH In addition to the compounds of formula IIA and/or IIB and/or IIC and one or more compounds of formula I, the mixtures of the invention preferably also contain one or more compounds from Table A shown below.surface A Use the following abbreviations: (n, m, m', z: each independently 1, 2, 3, 4, 5 or 6; (O)C_m H_2m+1 Meaning OC_m H_2m+1 orC_m H_2m+1 ) AIK-nF AIY-n-Om AY-n-Om B-nO-Om Bn-Om B(S)-nO-Om B(S)-n-Om CB(S)-n-(O)m CB-nm CB-n-Om PB-nm PB-n-Om BCH-nm BCH-nmF CY(Cl,F)-n-Om CCY-n-Om CAIY-n-Om CCY(F,Cl)-n-Om CCY(Cl,F)-n-Om CCY-nm CCY-Vm CCY-Vn-m CCY-n-OmV CBC-nmF CBC-nm CCP-Vm CCP-Vn-m CCP-nV-m CCP-nm CPYP-n-(O)m CYYC-nm CCYY-n-(O)m CCY-n-O2V CCH-nOm CY-nm CCH-nm CC-nV CC-n-V1 CC-n-Vm CC-2V-V2 CC-VV CC-V-V1 CVC-nm CC-n-mV CCOC-nm CP-nOmFF CH-nm CEY-n-Om CEY-Vn CVY-Vn CY-V-On CY-n-O1V CY-n-OC(CH ₃ )=CH ₂ CCN-nm CY-n-OV CCPC-nm CCY-n-zOm CPY-n-Om CPY-nm CPY-V-Om CQY-n-(O)m CQIY-n-(O)m CCQY-n-(O)m CCQIY-n-(O)m CPQY-n-(O)m CPQIY-n-(O)m CPYG-n-(O)m CCY-V-Om CCY-V2-(O)m CCY-1V2-(O)m CCY-3V-(O)m CCVC-nV CPYG-n-(O)m CPGP-nm CY-nV-(O)m CENaph-n-Om COChrom-n-Om COChrom-nm CCOChrom-n-Om CCOChrom-nm CONaph-n-Om CCONaph-n-Om CCNaph-n-Om CNaph-n-Om CETNaph-n-Om CTNaph-n-Om CK-nF CLY-n-Om CLY-nm LYLI-nm CYLI-nm LY-n-(O)m COYOICC-nm COYOIC-nV CCOY-V-O2V CCOY-V-O3V COY-n-Om CCOY-n-Om D-nOmFF PCH-nm PCH-nOm PGIGI-nF PGP-nm PGIY-n-Om PP-nm PP-n-Om PP-n-2V1 PP-n-mVk PPGU-nF PYP-n-mV PYP-nm PYP-n-Om PPYY-nm YPY-nm YPY-n-mV PY-n-Om PY-nm PY-V2-Om C-DFDBF-n-(O)m COY-1V-Om COY-V-Om CCOY-V-Om CCOY-1V-Om BNm DFDBC-n(O)-(O)m Y-nO-Om Y-nO-OmV Y-nO-OmVm' YG-n-Om YG-nO-Om YGI-n-Om YGI-nO-Om YY-n-Om YY-nO-Om YG-VnO-Om YG-nO-OmV YY-VnO-Om The liquid crystal mixtures which can be used according to the invention are prepared in a manner known per se. In general, it is advisable to dissolve the required amount of the component used in smaller amounts in the components constituting the main component at high temperatures. It is also possible to mix solutions of the components in organic solvents, such as acetone, chloroform or methanol, and remove the solvent again, for example by distillation after thorough mixing. With the help of suitable additives, the liquid crystal phase of the invention can be modified in such a way that it can be used in any type of display disclosed so far (eg ECB, VAN, IPS, GH or ASM-VA LCD). The dielectric may also contain other additives known to those skilled in the art and described in the literature, such as UV absorbers, antioxidants, nanoparticles and free radical scavengers. For example, 0 to 15% polychromatic dyes, stabilizers or chiral dopants may be added. Suitable stabilizers for the mixtures according to the invention are in particular the substances listed in Table B. For example, 0 to 15% of polychromatic dyes can be added, in addition to conductive salts, preferably ethyldimethyldodecyl ammonium 4-hexyloxybenzoate, tetrabutylammonium tetraphenylborohydride or corona Complex salts of ethers (see, e.g., Haller et al., Mol. Cryst. Liq. Cryst., Vol. 24, pp. 249-258 (1973)) to improve conductivity, or substances may be added to improve the dielectric anisotropy of the nematic phase Opposite sex, viscosity and/or orientation. Substances of this type are described, for example, in DE-A 22 09 127, 22 40 864, 23 21 632, 23 38 281, 24 50 088, 26 37 430 and 28 53 728.surface B Table B shows possible dopants typically added to the mixtures of the present invention. The mixture preferably contains 0 to 10% by weight, especially 0.01 to 5% by weight and particularly preferably 0.01 to 3% by weight of dopant. If the mixture contains only one dopant, it is used in an amount of 0.01 to 4% by weight, preferably 0.1 to 1.0% by weight. C 15 CB 15 CM 21 R/S-811 CM 44 CM 45 CM 47 EN R/S-2011 R/S-3011 R/S-4011 R/S-5011 R/S-1011 surface C Stabilizers which can be added to the mixture of the invention, for example in an amount of 0 to 10% by weight, are shown below. n = 1, 2, 3, 4, 5, 6 or 7 n = 1, 2, 3, 4, 5, 6 or 7 n = 1, 2, 3, 4, 5, 6 or 7 The medium of the present invention particularly preferably contains Tinuvin^® 770 (bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate), the amount is preferably 0.001 to 5% by weight based on the liquid crystal medium.surface D Table D shows exemplary compounds that may be preferred as reactive mesogen compounds for use in the LC media of the present invention. If the mixture according to the invention contains one or more reactive compounds, they are preferably used in an amount of 0.01 to 5% by weight. It may also be necessary to add an initiator or a mixture of two or more initiators for polymerization. The initiator or initiator mixture is preferably added in an amount of 0.001 to 2% by weight, based on the mixture. Suitable initiators are, for example, Irgacure (BASF) or Irganox (BASF). RM-1 RM-2 RM-3 RM-4 RM-5 RM-6 RM-7 RM-8 RM-9 RM-10 RM-11 RM-12 RM-13 RM-14 RM-15 RM-16 RM-17 RM-18 RM-19 RM-20 RM-21 RM-22 RM-23 RM-24 RM-25 RM-26 RM-27 RM-28 RM-29 RM-30 RM-31 RM-32 RM-33 RM-34 RM-35 RM-36 RM-37 RM-38 RM-39 RM-40 RM-41 RM-42 RM-43 RM-44 RM-45 RM-46 RM-47 RM-48 RM-49 RM-50 RM-51 RM-52 RM-53 RM-54 RM-55 RM-56 RM-57 RM-58 RM-59 RM-60 RM-61 RM-62 RM-63 RM-64 RM-65 RM-66 RM-67 RM-68 RM-69 RM-70 RM-71 RM-72 RM-73 RM-74 RM-75 RM-76 RM-77 RM-78 RM-79 RM-80 RM-81 RM-82 RM-83 RM-84 RM-85 RM-86 RM-87 RM-88 RM-89 RM-90 RM-91 RM-92 RM-93 RM-94 RM-95 RM-96 RM-97 RM-98 RM-99 RM-100 RM-101 RM-102 In a preferred embodiment, the mixture of the present invention contains one or more polymerizable compounds, preferably selected from the group consisting of polymerizable compounds of formulas RM-1 to RM-102. This type of media is particularly suitable for PS-FFS and PS-IPS applications. Among the reactive mesogens shown in Table D, compounds RM-1, RM-2, RM-3, RM-4, RM-5, RM-9, RM-17, RM-42, RM-48 , RM-68, RM-87, RM-91, RM-98, RM-99 and RM-101 are particularly preferred. Furthermore, reactive mesogens or polymerizable compounds of formula M and formulas RM-1 to RM-102 are suitable as stabilizers. In this case, the polymerizable compound is not polymerized but is added to the liquid crystal medium at a concentration of >1%.Example: The following examples are intended to explain the invention without limiting it. In the examples, m.p. represents the melting point of the liquid crystal substance (Celsius) and C represents the clearing point of the liquid crystal substance (Celsius); the boiling temperature is represented by b.p. also: C represents the crystalline solid state, S represents the smectic phase (the index represents the phase type), N represents the nematic state, Ch represents the cholesterol phase, I represents the isotropic phase, and T_g Represents the glass transition temperature. The number between the two symbols indicates the conversion temperature in degrees Celsius. The host mixture used for the determination of the optical anisotropy Δn of the compounds of formula I is the commercial mixture ZLI-4792 (Merck KGaA). The dielectric anisotropy Δε was measured using a commercial mixture ZLI-2857. Physical data on the compounds under investigation are obtained from the change in the dielectric constant of the bulk mixture after addition of the compounds under investigation and extrapolated to 100% of the compounds used. Generally, 10% of the compound under study is dissolved in the bulk mixture, depending on solubility. Unless otherwise indicated, part or percentage information represents parts by weight or percentage by weight. In the text above and below, the symbols and abbreviations have the following meanings: V₀ Threshold voltage at 20℃, capacitance [V] Δn Optical anisotropy measured at 20℃ and 589 nm, Δε Dielectric anisotropy at 20℃ and 1 kHz, cl.p. Clear point [℃] K₁ Elastic constant, "fan-like" deformation at 20°C [pN] K₃ Elastic constant, "bending" deformation at 20°C [pN] γ₁ Rotational viscosity [mPa·s] measured at 20°C, measured by rotation in a magnetic field LTS Low temperature stability (nematic phase) determined in test cells. The display used to measure the threshold voltage has two plane-parallel outer plates separated by 20 µm and an electrode layer, with an alignment layer containing SE-1211 (Nissan Chemicals) on top of the inner plate, which implements the liquid crystal The vertical alignment. Unless expressly indicated otherwise, all concentrations in this application relate to the corresponding mixture or mixture components. Unless otherwise expressly indicated, all physical properties are determined in accordance with "Merck Liquid Crystals, Physical Properties of Liquid Crystals", November 1997, Merck KGaA, Germany, and apply at a temperature of 20°C.Mixture examples Example M1 CY-3-O2 16.50% Clear point [℃]: 74.0 CCY-4-O2 10.50% Δn [589 nm, 20°C]: 0.1069 CCY-5-O2 6.00% Δε [1 kHz, 20℃]: -3.2 CPY-2-O2 9.00% ε _‖ [1 kHz, 20℃]: 3.5 CPY-3-O2 9.00% K ₁ [pN, 20°C]: 12.9 CCH-34 9.00% K ₃ [pN, 20°C]: 13.7 CCH-13 20.00% γ ₁ [mPa·s, 20℃]: 117 CCP-3-1 2.00% V ₀ [20℃, V]: 2.18 PYP-2-3 6.50% PYP-2-4 6.50% PCH-301 5.00% Example M2 CY-3-O2 16.50% Clear point [℃]: 74.5 CCY-4-O2 9.50% Δn [589 nm, 20℃]: 0.1070 CCY-5-O2 4.00% Δε [1 kHz, 20℃]: -3.2 CPY-2-O2 9.00% ε _‖ [1 kHz, 20℃]: 3.5 CPY-3-O2 9.00% K ₁ [pN, 20°C]: 13.1 CCH-34 9.00% K ₃ [pN, 20°C]: 13.9 CCH-13 20.00% γ ₁ [mPa·s, 20℃]: 117 CCP-3-1 5.00% V ₀ [20℃, V]: 2.19 PYP-2-3 4.00% PYP-2-4 4.00% PCH-301 5.00% PGIY-2-O4 5.00% Example M3 CY-3-O2 16.00% Clear point [℃]: 75.0 CCY-3-O1 4.50% Δn [589 nm, 20°C]: 0.1081 CCY-3-O2 10.00% Δε [1 kHz, 20°C]: -3.4 CPY-2-O2 8.00% ε _‖ [1 kHz, 20℃]: 3.5 CPY-3-O2 10.50% K ₁ [pN, 20°C]: 13.3 CCH-23 9.00% K ₃ [pN, 20°C]: 14.6 CCH-13 20.00% γ ₁ [mPa·s, 20℃]: 118 CCP-3-1 6.00% V ₀ [20℃, V]: 2.20 PYP-2-3 4.00% PYP-2-4 4.00% PCH-301 3.00% PGIY-2-O4 5.00% Example M4 CY-3-O2 17.00% Clear point [℃]: 75.5 CCY-3-O2 11.50% Δn [589 nm, 20℃]: 0.1082 CPY-2-O2 8.00% Δε [1 kHz, 20°C]: -3.3 CPY-3-O2 11.50% ε _‖ [1 kHz, 20℃]: 3.5 CCH-23 20.00% K ₁ [pN, 20°C]: 13.2 CCH-13 10.00% K ₃ [pN, 20°C]: 14.5 CCP-3-1 6.00% γ ₁ [mPa·s, 20℃]: 115 PYP-2-3 4.00% V ₀ [20℃, V]: 2.21 PYP-2-4 4.00% PCH-301 3.00% PGIY-2-O4 5.00% Example M5 BCH-32 4.25% Clear point [℃]: 75.1 CC-3-V1 10.00% Δn [589 nm, 20°C]: 0.0975 CCH-13 12.00% Δε [1 kHz, 20℃]: -3.6 CCH-35 3.75% ε _‖ [1 kHz, 20℃]: 3.5 CCP-3-1 10.00% K ₁ [pN, 20°C]: 14.4 CCY-3-O1 5.00% K ₃ [pN, 20°C]: 16.5 CCY-3-O2 3.25% γ ₁ [mPa·s, 20℃]: 127 CPY-2-O2 7.00% V ₀ [20℃, V]: 2.26 CPY-3-O2 11.75% CY-3-O2 15.50% CY-3-O4 3.50% CY-5-O2 14.00% Example M6 BCH-32 2.50% Clear point [℃]: 75.7 CCH-13 16.75% Δn [589 nm, 20°C]: 0.0974 CCH-34 4.50% Δε [1 kHz, 20℃]: -3.5 CCH-35 7.25% ε _‖ [1 kHz, 20℃]: 3.5 CCP-3-1 10.00% K ₁ [pN, 20°C]: 14.7 CCY-3-O1 11.50% K ₃ [pN, 20°C]: 16.1 CCY-3-O2 9.75% γ ₁ [mPa·s, 20℃]: 123 CPY-3-O2 9.25% V ₀ [20℃, V]: 2.28 CY-3-O2 15.00% PY-3-O2 13.50% Example M7 CC-3-V1 10.00% Clear point [℃]: 75.1 CCH-13 14.50% Δn [589 nm, 20°C]: 0.0979 CCH-34 4.00% Δε [1 kHz, 20℃]: -3.5 CCH-35 7.00% ε _‖ [1 kHz, 20℃]: 3.5 CCP-3-1 3.50% K ₁ [pN, 20°C]: 14.7 CCY-3-O1 12.00% K ₃ [pN, 20°C]: 16.0 CCY-3-O2 7.00% γ ₁ [mPa·s, 20℃]: 122 CPY-2-O2 4.25% V ₀ [20℃, V]: 2.24 CPY-3-O2 12.50% CY-3-O4 12.75% PY-3-O2 12.50% Example M8 To prepare the PS-VA mixture, 99.7% of the mixture of Example M1 is mixed with 0.3% of the polymerizable compound of the formula.Example M9 To prepare the PS-VA mixture, 99.75% of the mixture of Example M1 is mixed with 0.25% of the polymerizable compound of the formula.Example M10 To prepare the PS-VA mixture, 99.8% of the mixture of Example M1 was mixed with 0.2% of the polymerizable compound of the formula.Example M11 To prepare the PS-VA mixture, 99.75% of the mixture of Example M1 is mixed with 0.25% of the polymerizable compound of the formula.Example M12 To prepare the PS-VA mixture, 99.75% of the mixture of Example M1 is mixed with 0.25% of the polymerizable compound of the formula.Example M13 To prepare the PS-VA mixture, 99.75% of the mixture of Example M1 is mixed with 0.25% of the polymerizable compound of the formula.Example M14 To prepare the PS-VA mixture, 99.8% of the mixture of Example M1 was mixed with 0.2% of the polymerizable compound of the formula.Example M15 To prepare the PS-VA mixture, 99.8% of the mixture of Example M1 is mixed with 0.2% of the polymerizable compound of the formula.Example M16 To prepare the PS-VA mixture, 99.75% of the mixture of Example M2 is mixed with 0.25% of the polymerizable compound of the formula.Example M17 To prepare the PS-VA mixture, 99.7% of the mixture of Example M2 was mixed with 0.3% of the polymerizable compound of the formula.Example M18 To prepare the PS-VA mixture, 99.7% of the mixture of Example M2 was mixed with 0.3% of the polymerizable compound of the formula_＜ .Example M19 To prepare the PS-VA mixture, 99.75% of the mixture of Example M2 is mixed with 0.25% of the polymerizable compound of the formula.Example M20 To prepare the PS-VA mixture, 99.7% of the mixture of Example M2 was mixed with 0.3% of the polymerizable compound of the formula.Example M21 To prepare the PS-VA mixture, 99.75% of the mixture of Example M2 is mixed with 0.25% of the polymerizable compound of the formula.Example M22 To prepare the PS-VA mixture, 99.7% of the mixture of Example M2 was mixed with 0.3% of the polymerizable compound of the formula.Example M23 To prepare the PS-VA mixture, 99.75% of the mixture of Example M2 is mixed with 0.25% of the polymerizable compound of the formula.Example M24 To prepare the PS-VA mixture, 99.75% of the mixture of Example M3 was mixed with 0.25% of the polymerizable compound of the formula.Example M25 To prepare the PS-VA mixture, 99.8% of the mixture of Example M3 was mixed with 0.2% of the polymerizable compound of the formula.Example M26 To prepare the PS-VA mixture, 99.7% of the mixture of Example M3 was mixed with 0.3% of the polymerizable compound of the formula.Example M27 To prepare the PS-VA mixture, 99.7% of the mixture of Example M3 was mixed with 0.3% of the polymerizable compound of the formula.Example M28 To prepare the PS-VA mixture, 99.7% of the mixture of Example M3 was mixed with 0.3% of the polymerizable compound of the formula.Example M29 To prepare the PS-VA mixture, 99.7% of the mixture of Example M3 was mixed with 0.3% of the polymerizable compound of the formula.Example M30 To prepare the PS-VA mixture, 99.7% of the mixture of Example M4 was mixed with 0.3% of the polymerizable compound of the formula.Example M31 To prepare the PS-VA mixture, 99.75% of the mixture of Example M4 was mixed with 0.25% of the polymerizable compound of the formula.Example M32 To prepare the PS-VA mixture, 99.75% of the mixture of Example M4 was mixed with 0.25% of the polymerizable compound of the formula.Example M33 To prepare the PS-VA mixture, 99.7% of the mixture of Example M4 was mixed with 0.3% of the polymerizable compound of the formula Example M34 To prepare the PS-VA mixture, 99.75% of the mixture of Example M4 was mixed with 0.25% of the polymerizable compound of the formula.Example M35 To prepare the PS-VA mixture, 99.75% of the mixture of Example M4 was mixed with 0.25% of the polymerizable compound of the formula.Example M36 To prepare the PS-VA mixture, 99.7% of the mixture of Example M5 was mixed with 0.3% of the polymerizable compound of the formula.Example M37 To prepare the PS-VA mixture, 99.75% of the mixture of Example M5 is mixed with 0.25% of the polymerizable compound of the formula Example M38 To prepare the PS-VA mixture, 99.8% of the mixture of Example M5 was mixed with 0.2% of the polymerizable compound of the formula.Example M39 To prepare the PS-VA mixture, 99.75% of the mixture of Example M5 is mixed with 0.25% of the polymerizable compound of the formula.Example M40 To prepare the PS-VA mixture, 99.75% of the mixture of Example M5 is mixed with 0.25% of the polymerizable compound of the formula.Example M41 To prepare the PS-VA mixture, 99.75% of the mixture of Example M5 is mixed with 0.25% of the polymerizable compound of the formula.Example M42 To prepare the PS-VA mixture, 99.75% of the mixture of Example M5 was mixed with 0.25% of the polymerizable compound of the formula.Example M43 To prepare the PS-VA mixture, 99.75% of the mixture of Example M6 was mixed with 0.25% of the polymerizable compound of the formula.Example M44 To prepare the PS-VA mixture, 99.7% of the mixture of Example M6 was mixed with 0.3% of the polymerizable compound of the formula.Example M45 To prepare the PS-VA mixture, 99.75% of the mixture of Example M6 was mixed with 0.25% of the polymerizable compound of the formula.Example M46 To prepare the PS-VA mixture, 99.75% of the mixture of Example M7 was mixed with 0.25% of the polymerizable compound of the formula.Example M47 To prepare the PS-VA mixture, 99.7% of the mixture of Example M7 was mixed with 0.3% of the polymerizable compound of the formula.Example M48 To prepare the PS-VA mixture, 99.75% of the mixture of Example M7 was mixed with 0.25% of the polymerizable compound of the formula.Example M49 To prepare the PS-VA mixture, 99.75% of the mixture of Example M7 was mixed with 0.25% of the polymerizable compound of the formula.Example M50 CC-3-V 15.00% Clear point [℃]: 74 CC-3-V1 9.00% Δn [589 nm, 20℃]: 0.1085 CCH-23 8.00% Δε [1 kHz, 20℃]: -3.3 CCH-13 6.00% ε _‖ [1 kHz, 20℃]: 3.5 CCY-3-O2 12.00% ε _⊥ [1 kHz, 20℃]: 6.8 CCY-5-O2 8.00% K ₁ [pN, 20°C]: 14.1 CPY-2-O2 3.00% K ₃ [pN, 20°C]: 15.8 CPY-3-O2 9.50% γ ₁ [mPa·s, 20℃]: 102 CY-3-O2 7.50% V ₀ [20℃, V]: 2.31 PY-3-O2 14.00% PYP-2-3 8.00% Example M51 CY-3-O2 16.50% Clear point [℃]: 74.5 CCY-3-O2 11.50% Δn [589 nm, 20°C]: 0.1079 CPY-2-O2 3.00% Δε [1 kHz, 20℃]: -3.5 CPY-3-O2 11.00% ε _‖ [1 kHz, 20℃]: 3.6 CCH-34 10.00% ε _⊥ [1 kHz, 20℃]: 7.1 CCH-13 20.00% K ₁ [pN, 20°C]: 13.9 CCP-3-1 9.00% K ₃ [pN, 20°C]: 15.2 PYP-2-3 7.00% γ ₁ [mPa·s, 20℃]: 115 PCH-301 3.00% V ₀ [20℃, V]: 2.20 PGIY-2-04 5.00% B-2O-O5 4.00% Example M52 To prepare the PS-VA mixture, 99.75% of the mixture of Example M51 is mixed with 0.25% of the polymerizable compound of the formula.Example M53 CY-3-O2 18.00% Clear point [℃]: 75 CCY-3-O2 10.50% Δn [589 nm, 20°C]: 0.1076 CPY-2-O2 1.50% Δε [1 kHz, 20℃]: -3.5 CPY-3-O2 11.00% ε _‖ [1 kHz, 20℃]: 3.6 CCH-23 20.00% ε _⊥ [1 kHz, 20℃]: 7.0 CCH-13 8.00% K ₁ [pN, 20°C]: 13.7 CCP-3-1 12.00% K ₃ [pN, 20°C]: 15.1 PYP-2-3 7.00% γ ₁ [mPa·s, 20℃]: 113 PCH-301 3.00% V ₀ [20℃, V]: 2.21 PGIY-2-04 5.00% LTS [overall-20℃]: > 1000 h B-2O-O5 4.00% Example M54 CY-3-O2 15.00% Clear point [℃]: 74.5 CY-5-O2 5.00% Δn [589 nm, 20℃]: 0.1071 CCP-3-1 1.00% Δε [1 kHz, 20℃]: -2.9 CCY-3-O2 11.00% ε _‖ [1 kHz, 20℃]: 3.5 CPY-2-O2 5.50% ε _⊥ [1 kHz, 20℃]: 6.4 CPY-3-O2 11.00% K ₁ [pN, 20°C]: 14.0 CC-5-V 19.00% K ₃ [pN, 20°C]: 15.6 CC-3-V1 8.50% γ ₁ [mPa·s, 20℃]: 103 CCH-13 11.00% V ₀ [20℃, V]: 2.41 PYP-2-3 12.50% PPGU-3-F 0.50% Example M55 To prepare the PS-VA mixture, 99.75% of the mixture of Example M54 was mixed with 0.25% of the polymerizable compound of the formula.Example M56 CC-5-V 15.00% Clear point [℃]: 74.5 CC-3-V1 9.00% Δn [589 nm, 20°C]: 0.1087 CCH-13 8.00% Δε [1 kHz, 20℃]: -2.9 CCH-34 7.50% ε _‖ [1 kHz, 20℃]: 3.5 CCY-3-O2 10.00% ε _⊥ [1 kHz, 20℃]: 6.7 CCY-5-O2 8.00% K ₁ [pN, 20°C]: 14.9 CPY-2-O2 3.00% K ₃ [pN, 20°C]: 15.6 CPY-3-O2 8.50% γ ₁ [mPa·s, 20℃]: 105 CY-3-O2 7.00% V ₀ [20℃, V]: 2.33 PY-3-O2 16.00% PYP-2-3 8.00% Example M57 CC-5-V 20.00% Clear point [℃]: 75 CCH-13 14.50% Δn [589 nm, 20°C]: 0.1078 CC-3-V1 8.00% Δε [1 kHz, 20℃]: -2.9 CCP-3-1 2.00% ε _‖ [1 kHz, 20℃]: 3.4 CCY-3-01 6.00% ε _⊥ [1 kHz, 20℃]: 6.3 CCY-3-O2 10.00% K ₁ [pN, 20°C]: 15.0 CPY-2-O2 5.50% K ₃ [pN, 20°C]: 15.6 CPY-3-O2 11.50% γ ₁ [mPa·s, 20℃]: 98 PY-3-O2 17.50% V ₀ [20℃, V]: 2.45 PYP-2-3 5.00% LTS [overall-20℃]: > 1000 h Example M58 CC-3-V1 9.00% Clear point [℃]: 74.5 CCH-13 18.00% Δn [589 nm, 20°C]: 0.0987 CCH-34 9.00% Δε [1 kHz, 20℃]: -3.5 CCP-3-1 5.50% ε _‖ [1 kHz, 20℃]: 3.5 CCY-3-O1 3.50% ε _⊥ [1 kHz, 20℃]: 6.9 CCY-3-O2 11.50% K ₁ [pN, 20°C]: 14.5 CPY-2-O2 9.00% K ₃ [pN, 20°C]: 16.1 CPY-3-O2 11.00% γ ₁ [mPa·s, 20℃]: 107 CY-3-O2 13.50% V ₀ [20℃, V]: 2.28 PY-3-O2 10.00% Example M59 To prepare the PS-VA mixture, 99.7% of the mixture of Example M58 was mixed with 0.3% of the polymerizable compound of the formula.Example M60 CC-3-V 25.50% Clear point [℃]: 66.5 CCH-13 12.00% Δn [589 nm, 20°C]: 0.0879 PY-3-O2 9.00% Δε [1 kHz, 20℃]: -3.6 CEY-3-O2 9.00% K ₁ [pN, 20°C]: 12.1 PY-5-O2 5.00% K ₃ [pN, 20°C]: 14.5 CCP-31 5.00% γ ₁ [mPa·s, 20℃]: 92 CCY-V-O1 5.00% V ₀ [20℃, V]: 2.13 CCY-V-O2 11.00% CCP-301 2.00% CCP-33 2.00% CAIY-3-O2 7.00% CCY-V-O4 7.50% Example M61 To prepare the PS-VA mixture, 99.75% of the mixture of Example M60 is mixed with 0.25% of the polymerizable compound of the formula.Example M62 CC-5-V 20.00% Clear point [℃]: 74.5 CCH-13 14.50% Δn [589 nm, 20°C]: 0.1083 CC-3-V1 8.00% Δε [1 kHz, 20℃]: -3.0 CCP-3-1 2.00% ε _‖ [1 kHz, 20℃]: 3.4 CCY-3-O1 4.00% ε _⊥ [1 kHz, 20℃]: 6.4 CCY-3-O2 11.00% K ₁ [pN, 20°C]: 15.6 CPY-2-O2 7.50% K ₃ [pN, 20°C]: 15.9 CPY-3-O2 11.50% γ ₁ [mPa·s, 20℃]: 97 PY-3-O2 12.00% V ₀ [20℃, V]: 2.44 PYP-2-3 1.00% B-20-05 4.00% PP-1-2V1 4.50% Example M63 CC-5-V 20.00% Clear point [℃]: 74.5 CC-3-V1 8.00% Δn [589 nm, 20°C]: 0.1083 CCH-13 10.00% Δε [1 kHz, 20℃]: -3.1 CCH-34 4.00% ε _‖ [1 kHz, 20℃]: 3.5 CCY-3-O2 11.50% ε _⊥ [1 kHz, 20℃]: 6.6 CCY-5-O2 3.00% K ₁ [pN, 20°C]: 14.9 CPY-2-O2 7.50% K ₃ [pN, 20°C]: 15.4 CPY-3-O2 11.00% γ ₁ [mPa·s, 20℃]: 102 CY-3-O2 3.50% V ₀ [20℃, V]: 2.35 PY-3-O2 16.50% PYP-2-3 5.00% Example M64 CC-5-V 20.00% Clear point [℃]: 74.5 CCH-13 14.50% Δn [589 nm, 20℃]: 0.1080 CC-3-V1 8.00% Δε [1 kHz, 20℃]: -3.2 CCY-3-O1 4.00% ε _‖ [1 kHz, 20℃]: 3.5 CCY-3-O2 11.00% ε _⊥ [1 kHz, 20℃]: 6.6 CPY-2-O2 3.50% K ₁ [pN, 20°C]: 15.8 CPY-3-O2 11.50% K ₃ [pN, 20°C]: 16.3 CLY-3-O2 5.00% γ ₁ [mPa·s, 20℃]: 99 PY-3-O2 13.00% V ₀ [20℃, V]: 2.39 PYP-2-3 1.00% B-2O-O5 4.00% PP-1-2V1 4.50% Example M65 To prepare the PS-VA mixture, 99.7% of the mixture of Example M62 was mixed with 0.3% of the polymerizable compound of the formula.Example M66 CC-5-V 20.00% Clear point [℃]: 75 CCH-13 14.50% Δn [589 nm, 20°C]: 0.1083 CC-3-V1 8.00% Δε [1 kHz, 20℃]: -3.1 CCY-3-O1 4.00% ε _‖ [1 kHz, 20℃]: 3.5 CCY-3-O2 11.00% ε _⊥ [1 kHz, 20℃]: 6.6 CPY-2-O2 3.50% K ₁ [pN, 20°C]: 15.8 CPY-3-O2 11.50% K ₃ [pN, 20°C]: 16.1 CLY-3-O2 5.00% γ ₁ [mPa·s, 20℃]: 98 PY-3-O2 13.00% V ₀ [20℃, V]: 2.41 PYP-2-3 1.00% B-2O-O5 4.00% PP-1-2V1 4.50% Example M67 CC-4-V 16.00% Clear point [℃]: 75 CCH-13 12.00% Δn [589 nm, 20℃]: 0.1080 CC-3-V1 8.00% Δε [1 kHz, 20℃]: -3.1 CCP-3-1 12.50% ε _‖ [1 kHz, 20℃]: 3.5 CCY-3-O1 3.50% ε _⊥ [1 kHz, 20℃]: 6.7 CCY-3-O2 11.00% K ₁ [pN, 20°C]: 15.0 CPY-3-O2 10.50% K ₃ [pN, 20°C]: 15.8 PY-3-O2 20.00% γ ₁ [mPa·s, 20℃]: 98 PYP-2-3 2.50% V ₀ [20℃, V]: 2.37 B-2O-O5 4.00% Example M68 CC-3-V 20.00% Clear point [℃]: 72.5 CC-3-V1 8.00% Δn [589 nm, 20°C]: 0.1078 CCH-13 7.50% Δε [1 kHz, 20℃]: -3.0 CCP-3-1 14.50% ε _‖ [1 kHz, 20℃]: 3.5 CCP-3-3 5.00% ε _⊥ [1 kHz, 20℃]: 6.5 CCY-3-O2 10.00% K ₁ [pN, 20°C]: 15.0 CY-3-O2 4.00% K ₃ [pN, 20°C]: 15.8 PY-3-O2 16.00% γ ₁ [mPa·s, 20℃]: 83 PYP-2-3 5.00% V ₀ [20℃, V]: 2.44 B-2O-O5 3.00% B(S)-2O-O5 3.00% B(S)-2O-O4 2.00% B(S)-2O-O6 2.00% Example M69 To prepare the PS-VA mixture, 99.7% of the mixture of Example M68 was mixed with 0.3% of the polymerizable compound of the formula.Example M70 CC-3-V1 10.00% Clear point [℃]: 74.6 CCH-13 16.00% Δn [589 nm, 20°C]: 0.0985 CCH-34 6.00% Δε [1 kHz, 20°C]: -3.4 CCH-35 2.50% ε _‖ [1 kHz, 20℃]: 3.5 CCOC-3-3 3.50% ε _⊥ [1 kHz, 20℃]: 6.9 CCOC-4-3 3.50% K ₁ [pN, 20°C]: 14.8 CCP-3-1 1.00% K ₃ [pN, 20°C]: 16.2 CCY-3-O2 12.50% γ ₁ [mPa·s, 20℃]: 120 CPY-2-O2 6.50% V ₀ [20℃, V]: 2.29 CPY-3-O2 13.00% CY-3-O2 11.50% PY-3-O2 14.00% Example M71 To prepare a polymer-stabilized LC mixture, 99.75% of the mixture of Example M70 was mixed with 0.25% of the polymerizable compound of the formula.Example M72 To prepare a polymer-stabilized LC mixture, 99.7% of the mixture of Example M70 was mixed with 0.3% of the polymerizable compound of the formula.Example M73 To prepare a polymer-stable LC mixture, 99.7% of a mixture of Example M70 and 0.3% of a polymerizable compound of the formula and 0.001% Irganox-1076 (BASF) mixed. The mixture of Example M73 is preferably suitable for PS-VA applications, especially 2D and 3D TV applications. The above mixture examples for PS-VA applications are of course also applicable to PS-IPS and PS-FFS applications. To improve reliability, the mixtures of examples M1 to M69 can be additionally stabilized with one or two stabilizers selected from the group of compounds a) to h) below: a) b) c) d) e) f) g) h), Stabilizer is added in each case in an amount of 0.01 to 0.04%, based on the mixture.Example M74 CCY-3-O2 4.50% Clear point [℃]: 74.5 CPY-3-O2 11.00% Δn [589 nm, 20°C]: 0.1284 PYP-2-3 9.50% Δε [1 kHz, 20℃]: -2.0 PY-3-O2 15.00% ε _‖ [1 kHz, 20℃]: 3.4 Y-4O-O4 4.00% ε _⊥ [1 kHz, 20℃]: 5.4 CCH-23 15.00% K ₁ [pN, 20°C]: 14.7 CCH-13 8.00% K ₃ [pN, 20°C]: 14.5 CCP-3-1 11.00% γ ₁ [mPa·s, 20℃]: 95 CCP-3-3 2.00% V ₀ [20℃, V]: 2.81 BCH-32 15.00% LTS [Overall -20℃] ＞ 1000 h PP-1-3 5.00% Example M75 CC-3-V1 8.50% Clear point [℃]: 74.5 CCH-13 7.50% Δn [589 nm, 20°C]: 0.0998 CCH-23 16.50% Δε [1 kHz, 20°C]: -3.4 CCP-3-1 16.00% ε _⊥ [1 kHz, 20℃]: 7.0 CCY-3-O2 11.00% K ₁ [pN, 20°C]: 14.7 CCY-3-O1 6.00% K ₃ [pN, 20°C]: 16.0 CPY-3-O2 11.50% γ ₁ [mPa·s, 20℃]: 98 B-2O-O5 3.00% V ₀ [20℃, V]: 2.30 Y-4O-O4 5.00% PY-2-O2 8.00% PY-1-O2 7.00% Example M76 CC-3-V1 4.00% Clear point [℃]: 73.5 CCH-23 14.00% Δn [589 nm, 20℃]: 0.0977 CCH-34 3.00% Δε [1 kHz, 20℃]: -3.5 CCH-35 4.00% ε _‖ [1 kHz, 20℃]: 3.6 CCH-13 4.00% ε _⊥ [1 kHz, 20℃]: 7.1 CCP-3-1 14.00% K ₁ [pN, 20°C]: 14.6 CCY-3-O2 11.00% K ₃ [pN, 20°C]: 16.1 CCY-3-O1 5.50% γ ₁ [mPa·s, 20℃]: 107 CPY-3-O2 11.00% V ₀ [20℃, V]: 2.26 CY-3-O2 12.00% PY-3-O2 14.50% Y-4O-O4 3.00% Example M77 BCH-32 4.25% Clear point [℃]: 75.1 CC-3-V1 10.00% Δn [589 nm, 20°C]: 0.0975 CCH-13 12.00% Δε [1 kHz, 20℃]: -3.6 CCH-35 3.75% ε _‖ [1 kHz, 20℃]: 3.5 CCP-3-1 10.00% ε _⊥ [1 kHz, 20℃]: 7.1 CCY-3-O1 5.00% K ₁ [pN, 20°C]: 14.4 CCY-3-O2 3.25% K ₃ [pN, 20°C]: 16.5 CPY-2-O2 7.00% γ ₁ [mPa·s, 20℃]: CPY-3-O2 11.75% V ₀ [20℃, V]: 2.26 CY-3-O2 15.50% CY-3-O4 3.50% CY-5-O2 14.00% Example M78 BCH-32 6.50% Clear point [℃]: 75.1 CC-3-V1 1.00% Δn [589 nm, 20°C]: 0.0888 CCH-13 20.50% Δε [1 kHz, 20℃]: -3.0 CCH-301 3.00% ε _‖ [1 kHz, 20℃]: 3.4 CCH-34 6.00% ε _⊥ [1 kHz, 20℃]: 6.4 CCH-35 6.00% K ₁ [pN, 20°C]: 13.4 CCY-3-O2 5.00% K ₃ [pN, 20°C]: 13.6 CCY-3-O2 10.00% V ₀ [20℃, V]: 2.22 CCY-4-O2 5.00% CPY-2-O2 9.00% CPY-3-O2 7.50% CY-3-O2 12.00% CY-5-O2 8.50% Example M79 BCH-52 1.50% Clear point [℃]: 74.8 CC-3-V 15.50% Δn [589 nm, 20℃]: 0.0980 CC-3-V1 10.00% Δε [1 kHz, 20°C]: -3.4 CCH-13 4.50% ε _‖ [1 kHz, 20℃]: 3.5 CCH-34 5.00% ε _⊥ [1 kHz, 20℃]: 6.9 CCH-35 5.00% K ₁ [pN, 20°C]: 14.7 CCY-3-O1 10.00% K ₃ [pN, 20°C]: 15.4 CCY-3-O2 14.00% γ ₁ [mPa·s, 20℃]: 101 CCY-4-O2 8.50% V ₀ [20℃, V]: 2.27 PY-1-O4 8.00% PY-3-O2 17.00% PYP-3-O2 1.50% Example M80 To prepare the PS-VA mixture, 99.75% of the mixture of Example M60 is mixed with 0.25% of the polymerizable compound of the formula.Example M81 BCH-32 2.00% Clear point [℃]: 74.8 CC-3-V 16.00% Δn [589 nm, 20℃]: 0.0980 CC-3-V1 9.50% Δε [1 kHz, 20°C]: -3.3 CCH-13 2.00% ε _‖ [1 kHz, 20℃]: 3.5 CCH-301 3.00% ε _⊥ [1 kHz, 20℃]: 6.8 CCH-34 6.00% K ₁ [pN, 20°C]: 14.4 CCH-35 4.00% K ₃ [pN, 20°C]: 15.0 CCY-3-O1 10.00% γ ₁ [mPa·s, 20℃]: 99 CCY-3-O2 13.50% V ₀ [20℃, V]: 2.28 CCY-4-O2 8.00% PY-1-O4 7.50% PY-3-O2 17.00% PYP-2-3 1.50% Example M82 BCH-52 2.00% Clear point [℃]: 75.1 CC-3-V 16.00% Δn [589 nm, 20℃]: 0.0980 CC-3-V1 9.50% Δε [1 kHz, 20°C]: -3.3 CCH-13 2.00% ε _‖ [1 kHz, 20℃]: 3.5 CCH-34 3.00% ε _⊥ [1 kHz, 20℃]: 6.8 CCH-35 6.00% K ₁ [pN, 20°C]: 14.8 CCY-3-O1 4.00% K ₃ [pN, 20°C]: 15.5 CCY-3-O2 10.00% γ ₁ [mPa·s, 20℃]: 103 CCY-3-O3 13.50% V ₀ [20℃, V]: 2.29 CCY-4-O2 8.00% PY-1-O4 7.50% PY-3-O2 17.00% PYP-2-3 1.50% Example M83 CC-3-V1 10.00% Clear point [℃]: 74.6 CCH-13 16.00% Δn [589 nm, 20°C]: 0.0985 CCH-34 6.00% Δε [1 kHz, 20°C]: -3.4 CCH-35 2.50% ε _‖ [1 kHz, 20℃]: 3.5 CCOC-3-3 3.50% ε _⊥ [1 kHz, 20℃]: 6.9 CCOC-4-3 3.50% K ₁ [pN, 20°C]: 14.8 CCP-3-1 1.00% K ₃ [pN, 20°C]: 16.2 CCY-3-O2 12.50% V ₀ [20℃, V]: 2.29 CPY-2-O2 6.50% CPY-3-O2 13.00% CY-3-O2 11.50% PY-3-O2 14.00% Example M84 BCH-52 1.00% Clear point [℃]: 74.9 CC-3-V 15.00% Δn [589 nm, 20℃]: 0.0980 CC-3-V1 10.00% Δε [1 kHz, 20°C]: -3.4 CCH-13 4.50% ε _⊥ [1 kHz, 20℃]: 7.0 CCH-34 5.00% K ₁ [pN, 20°C]: 14.8 CCH-35 5.00% K ₃ [pN, 20°C]: 15.5 CCY-3-O1 8.50% γ ₁ [mPa·s, 20℃]: 104 CCY-3-O2 14.50% V ₀ [20℃, V]: 2.25 CCY-3-O3 1.00% CCY-4-O2 9.00% PY-1-O4 8.50% PY-3-O2 17.00% PYP-2-3 1.00% Example M85 B-2O-O5 4.50% Clear point [℃]: 74.8 BCH-32 2.50% Δn [589 nm, 20℃]: 0.0989 CC-3-V1 13.00% Δε [1 kHz, 20°C]: -3.4 CCH-13 13.00% ε _⊥ [1 kHz, 20℃]: 6.9 CCH-34 6.00% K ₁ [pN, 20°C]: 15.7 CCH-35 3.00% K ₃ [pN, 20°C]: 15.8 CCP-V2-1 2.50% γ ₁ [mPa·s, 20℃]: 105 CCY-3-O1 5.00% V ₀ [20℃, V]: 2.29 CCY-3-O2 8.00% CCY-3-O3 3.00% CCY-4-O2 12.00% PY-1-O4 5.50% PY-3-O2 15.00% PYP-2-3 1.00% Example M86 B-2O-O5 4.00% Clear point [℃]: 75 BCH-32 6.50% Δn [589 nm, 20°C]: 0.1028 CC-3-V 22.50% Δε [1 kHz, 20°C]: -3.3 CC-3-V1 9.00% ε _‖ [1 kHz, 20℃]: 3.6 CCH-13 7.50% ε _⊥ [1 kHz, 20℃]: 6.9 CCY-3-O1 7.00% K ₁ [pN, 20°C]: 14.4 CCY-3-O2 12.50% K ₃ [pN, 20°C]: 15.0 CCY-4-O2 10.00% γ ₁ [mPa·s, 20℃]: 97 PY-1-O4 3.00% V ₀ [20℃, V]: 2.27 PY-3-O2 16.00% PYP-2-3 2.00% Example M87 B-2O-O5 4.50% Clear point [℃]: 74.5 BCH-32 2.50% Δn [589 nm, 20°C]: 0.0978 CC-3-V1 18.50% Δε [1 kHz, 20°C]: -3.4 CCH-13 13.00% ε _‖ [1 kHz, 20℃]: 3.5 CCH-34 6.00% ε _⊥ [1 kHz, 20℃]: 6.9 CCH-35 4.00% K ₁ [pN, 20°C]: 15.6 CCP-V2-1 2.50% K ₃ [pN, 20°C]: 15.8 CCY-3-O1 6.00% γ ₁ [mPa·s, 20℃]: 106 CCY-3-O2 8.00% V ₀ [20℃, V]: 2.29 CCY-3-O3 4.50% CCY-4-O2 9.50% PY-1-O4 5.50% PY-3-O2 15.0% PYP-2-3 0.50% Example M88 To prepare the PS-VA mixture, 99.7% of the mixture of Example M87 was mixed with 0.3% of the polymerizable compound of the formula.Example M89 B-2O-O5 4.00% Clear point [℃]: 74.6 BCH-52 1.00% Δn [589 nm, 20°C]: 0.0985 CC-3-V 15.00% Δε [1 kHz, 20℃]: -3.5 CC-3-V1 10.00% ε _‖ [1 kHz, 20℃]: 3.6 CCH-13 4.00% ε _⊥ [1 kHz, 20℃]: 7.1 CCH-34 6.00% K ₁ [pN, 20°C]: 14.7 CCH-35 7.50% K ₃ [pN, 20°C]: 15.3 CCY-3-O1 9.50% γ ₁ [mPa·s, 20℃]: 100 CCY-3-O2 14.50% V ₀ [20℃, V]: 2.22 CCY-4-O2 5.50% PY-1-O4 5.00% PY-3-O2 16.00% PYP-2-3 2.0% Example M90 To prepare the PS-VA mixture, 99.75% of the mixture of Example M89 is mixed with 0.25% of the polymerizable compound of the formula.Example M91 To prepare the PS-VA mixture, 99.75% of the mixture of Example M89 is mixed with 0.25% of the polymerizable compound of the formula.Example M92 B-2O-O5 4.00% Clear point [℃]: 85.2 CC-3-V 31.50% Δn [589 nm, 20℃]: 0.0976 CCH-13 6.00% Δε [1 kHz, 20℃]: -3.5 CCH-34 6.00% ε _‖ [1 kHz, 20℃]: 3.5 CCY-3-O1 5.50% ε _⊥ [1 kHz, 20℃]: 6.9 CCY-3-O2 3.00% K ₁ [pN, 20°C]: 14.7 CCY-4-O2 4.00% K ₃ [pN, 20°C]: 15.1 CLY-2-O4 6.00% γ ₁ [mPa·s, 20℃]: 100 CLY-3-O2 4.00% V ₀ [20℃, V]: 2.21 CPY-2-O2 10.00% CPY-3-O2 10.00% CY-3-O2 7.00% PGIY-2-O4 16.00% Example M93 To prepare the PS-VA mixture, 99.7% of the mixture of Example M6 was mixed with 0.3% of the polymerizable compound of the formula.Example M94 CC-3-V 20.50% Clear point [℃]: 74.8 CC-3-V1 10.00% Δn [589 nm, 20°C]: 0.1024 CCH-13 10.50% Δε [1 kHz, 20℃]: -3.2 CCY-3-O1 7.00% ε _‖ [1 kHz, 20℃]: 3.5 CCY-3-O2 13.00% ε _⊥ [1 kHz, 20℃]: 6.7 CCY-4-O2 4.50% K ₁ [pN, 20°C]: 13.7 CPY-2-O2 5.00% K ₃ [pN, 20°C]: 15.4 CPY-3-O2 8.00% γ ₁ [mPa·s, 20℃]: 97 PY-3-O2 16.00% V ₀ [20℃, V]: 2.31 PY-4-O2 3.50% PYP-2-3 2.00% Example M95 CC-3-V 20.50% Clear point [℃]: 74.5 CC-3-V1 10.00% Δn [589 nm, 20℃]: 0.1018 CCH-13 10.50% Δε [1 kHz, 20℃]: -3.2 CCY-3-O1 7.00% ε _‖ [1 kHz, 20℃]: 3.6 CCY-3-O2 13.00% ε _⊥ [1 kHz, 20℃]: 6.8 CCY-4-O2 4.50% K ₁ [pN, 20°C]: 14.0 CPY-2-O2 5.00% K ₃ [pN, 20°C]: 14.8 CPY-3-O2 8.00% γ ₁ [mPa·s, 20℃]: 95 PY-3-O2 16.00% V ₀ [20℃, V]: 2.26 PY-4-O2 3.50% PYP-2-3 2.00% Example M96 The mixture of Example M95 additionally contained 0.001% of a compound of the formula.Example M97 BCH-32 0.50% Clear point [℃]: 74.6 CC-3-V 22.50% Δn [589 nm, 20℃]: 0.1032 CC-3-V1 9.00% Δε [1 kHz, 20℃]: -3.2 CCH-13 1.50% ε _‖ [1 kHz, 20℃]: 3.5 CCH-34 5.50% ε _⊥ [1 kHz, 20℃]: 6.7 CCH-35 4.00% K ₁ [pN, 20°C]: 14.2 CCY-3-O1 8.50% K ₃ [pN, 20°C]: 14.8 CCY-3-O2 12.00% γ ₁ [mPa·s, 20℃]: 95 CPY-2-O2 12.00% V ₀ [20℃, V]: 2.28 CPY-3-O2 2.00% PY-1-O4 3.00% PY-3-O2 17.00% PY-4-O2 1.50% PYP-2-3 1.00% Example M98 The mixture of Example M97 was additionally stabilized with 0.01% of a compound of the formula.Example M99 BCH-52 0.50% Clear point [℃]: 75 CC-3-V 22.50% Δn [589 nm, 20℃]: 0.1030 CC-3-V1 9.00% Δε [1 kHz, 20℃]: -3.2 CCH-13 1.00% ε _‖ [1 kHz, 20℃]: 3.5 CCH-34 5.50% ε _⊥ [1 kHz, 20℃]: 6.8 CCH-35 4.00% K ₁ [pN, 20°C]: 14.2 CCY-3-O1 9.50% K ₃ [pN, 20°C]: 15.0 CCY-3-O2 12.50% γ ₁ [mPa·s, 20℃]: 95 CPY-2-O2 10.00% V ₀ [20℃, V]: 2.29 CPY-3-O2 2.00% CY-3-O2 0.50% PY-1-O4 4.50% PY-3-O2 17.00% PYP-2-3 1.50% Example M100 To prepare the PS-VA mixture, 99.7% of the mixture of Example M99 was mixed with 0.3% of the polymerizable compound of the formula.Example M101 To prepare the PS-VA mixture, 99.7% of the mixture of Example M77 was mixed with 0.3% of the polymerizable compound of the formula.Example M102 CC-3-V 22.50% Clear point [℃]: 74.8 CC-3-V1 9.75% Δn [589 nm, 20℃]: 0.1027 CCH-13 0.75% Δε [1 kHz, 20℃]: -3.2 CCH-34 5.50% ε _‖ [1 kHz, 20℃]: 3.5 CCH-35 4.00% ε _⊥ [1 kHz, 20℃]: 6.8 CCY-3-O1 10.00% K ₁ [pN, 20°C]: 14.4 CCY-3-O2 12.00% K ₃ [pN, 20°C]: 15.2 CPY-2-O2 10.00% γ ₁ [mPa·s, 20℃]: 94 CPY-3-O2 2.00% V ₀ [20℃, V]: 2.29 CY-3-O2 0.50% PP-1-2V1 0.25% PY-1-O4 4.25% PY-3-O2 17.00% PYP-2-3 1.50% Example M103 To prepare the PS-VA mixture, 99.7% of the mixture of Example M102 was mixed with 0.3% of the polymerizable compound of the formula.Example M104 CC-3-V 0.50% Clear point [℃]: 75 CC-3-V1 22.50% Δn [589 nm, 20°C]: 0.1023 CCH-13 9.75% Δε [1 kHz, 20℃]: -3.2 CCH-34 0.50% ε _‖ [1 kHz, 20℃]: 3.5 CCH-35 5.75% ε _⊥ [1 kHz, 20℃]: 6.7 CCY-3-O1 4.00% K ₁ [pN, 20°C]: 14.4 CCY-3-O2 10.00% K ₃ [pN, 20°C]: 15.8 CPY-2-O2 11.50% γ ₁ [mPa·s, 20℃]: 95 CPY-3-O2 10.00% V ₀ [20℃, V]: 2.29 CY-3-O2 2.50% PP-1-2V1 0.50% PY-1-O4 4.40% PY-3-O2 17.00% PYP-2-3 1.00% Example M105 To prepare the PS-VA mixture, 99.7% of the mixture of Example M102 and 0.3% of the polymerizable compound of the formula and 0.001% Irganox-1076 (BASF) mixed.Example M106 To prepare the PS-VA mixture, 99.7% of the mixture of Example M7 was mixed with 0.3% of the polymerizable compound of the formula.Example M107 CC-3-V 22.50% Clear point [℃]: 74.8 CC-3-V1 9.75% Δn [589 nm, 20°C]: 0.1031 CCH-13 0.50% Δε [1 kHz, 20℃]: -3.2 CCH-34 5.75% ε _‖ [1 kHz, 20℃]: 3.5 CCH-35 4.00% ε _⊥ [1 kHz, 20℃]: 6.8 CCY-3-O1 10.00% K ₁ [pN, 20°C]: 14.4 CCY-3-O2 11.00% K ₃ [pN, 20°C]: 15.0 CPY-2-O2 10.00% γ ₁ [mPa·s, 20℃]: 95 CPY-3-O2 3.00% V ₀ [20℃, V]: 2.28 PY-1-O4 5.50% PY-3-O2 16.50% PYP-2-3 1.50% Example M108 BCH-52 0.75% Clear point [℃]: 74.5 CC-3-V 22.50% Δn [589 nm, 20℃]: 0.1030 CC-3-V1 10.00% Δε [1 kHz, 20℃]: -3.2 CCH-13 0.50% ε _‖ [1 kHz, 20℃]: 3.6 CCH-34 5.75% ε _⊥ [1 kHz, 20℃]: 6.7 CCH-35 3.50% K ₁ [pN, 20°C]: 14.2 CCY-3-O1 9.50% K ₃ [pN, 20°C]: 14.9 CCY-3-O2 11.50% γ ₁ [mPa·s, 20℃]: 95 CPY-2-O2 10.00% V ₀ [20℃, V]: 2.28 CPY-3-O2 2.50% PY-1-O4 5.50% PY-3-O2 17.00% PYP-2-3 1.00% Example M109 The mixture of Example M108 additionally contained 0.001% of a compound of the formula.Example M110 To prepare the PS-VA mixture, 99.7% of the mixture of Example M109 was mixed with 0.3% of the polymerizable compound of the formula.Example M111 To prepare the PS-VA mixture, 99.75% of the mixture of Example M108 was mixed with 0.25% of the polymerizable compound of the formula.Example M112 CC-3-V 22.50% Clear point [℃]: 74.8 CC-3-V1 8.00% Δn [589 nm, 20°C]: 0.1031 CCH-13 1.00% Δε [1 kHz, 20℃]: -3.2 CCH-34 6.00% ε _‖ [1 kHz, 20℃]: 3.5 CCH-35 5.25% ε _⊥ [1 kHz, 20℃]: 6.8 CCY-3-O1 6.00% K ₁ [pN, 20°C]: 14.5 CCY-3-O2 13.25% K ₃ [pN, 20°C]: 15.0 CPY-2-O2 11.00% γ ₁ [mPa·s, 20℃]: 96 CPY-3-O2 4.00% V ₀ [20℃, V]: 2.28 CY-3-O2 1.00% PY-1-O4 4.00% PY-3-O2 17.00% PYP-2-3 1.00% Example M113 CC-3-V 22.50% Clear point [℃]: 74.5 CC-3-V1 10.50% Δn [589 nm, 20℃]: 0.1030 CCH-13 1.50% Δε [1 kHz, 20℃]: -3.2 CCH-34 6.00% ε _‖ [1 kHz, 20℃]: 3.5 CCH-35 3.00% ε _⊥ [1 kHz, 20℃]: 6.7 CCY-3-O1 7.00% K ₁ [pN, 20°C]: 14.2 CCY-3-O2 9.50% K ₃ [pN, 20°C]: 16.0 CPY-2-O2 12.50% γ ₁ [mPa·s, 20℃]: 94 CPY-3-O2 5.50% V ₀ [20℃, V]: 2.30 CY-3-O2 2.50% PY-1-O4 6.00% PY-3-O2 12.50% PYP-2-3 1.00% Example M114 To prepare the PS-VA mixture, 99.75% of the mixture of Example M113 was mixed with 0.25% of the polymerizable compound of the formula.Example M115 To prepare a polymer-stable LC mixture, 99.7% of a mixture of Example M70 and 0.3% of a polymerizable compound of the formula and 0.001% Irganox-1076 (BASF) mixed.Example M116 To prepare the PS-VA mixture, 99.75% of the mixture of Example M113 was mixed with 0.25% of the polymerizable compound of the formula.Example M117 BCH-32 3.50% Clear point [℃]: 75.1 CC-3-V1 10.00% Δn [589 nm, 20°C]: 0.1122 CCH-13 15.50% Δε [1 kHz, 20°C]: -3.4 CCH-34 6.00% ε _‖ [1 kHz, 20℃]: 3.6 CCOC-3-3 3.50% ε _⊥ [1 kHz, 20℃]: 7.0 CCOC-3-4 3.50% K ₁ [pN, 20°C]: 15.0 CCY-3-O2 11.75% K ₃ [pN, 20°C]: 15.6 CPY-2-O2 10.00% V ₀ [20℃, V]: 2.26 CPY-3-O2 11.00% PY-1-O4 8.75% PY-3-O2 14.00% PY-4-O2 2.50% Example M118 To prepare the PS-VA mixture, 99.7% of the mixture of Example M117 was mixed with 0.3% of the polymerizable compound of the formula.Example M119 To prepare the PS-VA mixture, 99.7% of the mixture of Example M117 was mixed with 0.3% of the polymerizable compound of the formula.Example M120 BCH-32 7.00% Clear point [℃]: 74 CC-3-V1 10.00% Δn [589 nm, 20°C]: 0.1118 CCH-13 15.00% Δε [1 kHz, 20°C]: -3.4 CCH-34 3.25% ε _‖ [1 kHz, 20℃]: 3.6 CCOC-3-3 3.50% ε _⊥ [1 kHz, 20℃]: 7.0 CCOC-4-3 3.50% K ₁ [pN, 20°C]: 14.7 CCY-3-O2 12.50% K ₃ [pN, 20°C]: 15.8 CPY-2-O2 4.50% V ₀ [20℃, V]: 2.27 CPY-3-O2 12.00% CY-3-O4 5.25% PY-1-O4 9.50% PY-3-O2 14.00% Example M121 To prepare the PS-VA mixture, 99.75% of the mixture of Example M120 is mixed with 0.25% of the polymerizable compound of the formula.Example M122 BCH-32 5.00% Clear point [℃]: 74 CCH-13 17.00% Δn [589 nm, 20℃]: 0.1355 CCH-34 6.50% Δε [1 kHz, 20℃]: -3.1 CCH-35 6.00% ε _‖ [1 kHz, 20℃]: 3.7 CCY-3-O2 7.00% ε _⊥ [1 kHz, 20℃]: 6.6 CPY-2-O2 10.00% K ₁ [pN, 20°C]: 14.1 CPY-3-O2 10.00% K ₃ [pN, 20°C]: 13.8 PY-1-O4 8.00% V ₀ [20℃, V]: 2.24 PY-3-O2 11.00% PYP-2-3 10.00% PYP-2-4 9.50% Example M123 To prepare the PS-VA mixture, 99.7% of the mixture of Example M122 was mixed with 0.3% of the polymerizable compound of the formula.Example M124 To prepare the PS-VA mixture, 99.7% of the mixture of Example M122 was mixed with 0.3% of the polymerizable compound of the formula.Example M125 CC-3-V 15.00% CC-3-V1 9.00% CCH-23 8.00% CCH-13 6.00% CCOY-3-O2 12.00% CCY-5-O2 8.00% CPY-2-O2 3.00% CPY-3-O2 9.50% CY-3-O2 7.50% PY-3-O2 14.00% PYP-2-3 8.00% Example M126 To prepare the PS-VA mixture, 99.7% of the mixture of Example M125 was mixed with 0.3% of the polymerizable compound of the formula.Example M127 BCH-32 5.00% Clear point [℃]: 74.2 CCH-13 17.00% Δn [589 nm, 20°C]: 0.1349 CCH-34 7.00% Δε [1 kHz, 20℃]: -2.8 CCH-35 5.00% ε _‖ [1 kHz, 20℃]: 3.5 CCP-3-1 6.50% ε _⊥ [1 kHz, 20℃]: 6.2 CPY-2-O2 11.00% K ₁ [pN, 20°C]: 14.2 CPY-3-O2 11.00% K ₃ [pN, 20°C]: 13.8 PY-1-O4 7.50% V ₀ [20℃, V]: 2.40 PY-3-O2 12.00% PYP-2-3 9.00% PYP-2-4 9.00% Example M128 To prepare a polymer-stable LC mixture, 99.7% of a mixture of Example M127 and 0.3% of a polymerizable compound of the formula and 0.001% Irganox-1076 (BASF) mixed.Example M129 To prepare the PS-VA mixture, 99.7% of the mixture of Example M127 was mixed with 0.3% of the polymerizable compound of the formula.Example M130 BCH-32 8.00% Clear point [℃]: 74.3 BCH-52 2.50% Δn [589 nm, 20°C]: 0.1116 CC-3-V1 10.00% Δε [1 kHz, 20°C]: -3.4 CCH-13 15.50% ε _‖ [1 kHz, 20℃]: 3.6 CCOC-3-3 3.50% ε _⊥ [1 kHz, 20℃]: 7.0 CCOC-4-3 3.50% K ₁ [pN, 20°C]: 14.1 CCY-3-O2 6.75% K ₃ [pN, 20°C]: 15.4 CPY-2-O2 10.00% V ₀ [20℃, V]: 2.26 CPY-3-O2 11.00% CY-3-O2 14.00% CY-3-O4 1.25% PY-3-O2 14.00% Example M131 To prepare a polymer-stabilized LC mixture, 99.99% of the mixture of Example M130 was mixed with 0.01% of the polymerizable compound of the formula:.Example M132 BCH-32 6.00% Clear point [℃]: 74.8 CC-3-V1 10.00% CCH-13 15.50% CCH-34 6.00% CCY-3-O1 5.50% CCOY-3-O2 10.00% CPY-2-O2 10.00% CPY-3-O2 11.00% CY-3-O4 9.00% PP-1-2V1 2.00% PY-3-O2 15.00% Example M133 BCH-32 6.50% Clear point [℃]: 75.5 CC-3-V1 9.00% Δn [589 nm, 20℃]: 0.1120 CCH-13 15.00% Δε [1 kHz, 20℃]: -3.5 CCOC-3-3 3.50% ε _‖ [1 kHz, 20℃]: 3.6 CCOC-4-3 3.50% K ₁ [pN, 20°C]: 14.4 CCY-3-O1 2.50% K ₃ [pN, 20°C]: 15.9 CCY-3-O2 9.00% V ₀ [20℃, V]: 2.24 CPY-2-O2 11.00% CPY-3-O2 11.00% CY-3-O2 14.50% PP-1-3 3.50% PY-3-O2 11.00% Example M134 BCH-32 4.50% Clear point [℃]: 74.5 BCH-52 3.25% Δn [589 nm, 20°C]: 0.1123 CC-3-V1 10.00% Δε [1 kHz, 20°C]: -3.4 CCH-13 14.25% ε _‖ [1 kHz, 20℃]: 3.6 CCOC-3-3 3.50% ε _⊥ [1 kHz, 20℃]: 7.0 CCOC-4-3 3.50% K ₁ [pN, 20°C]: 14.2 CCY-3-O1 2.50% K ₃ [pN, 20°C]: 15.6 CCY-3-O2 7.50% V ₀ [20℃, V]: 2.26 CPY-2-O2 10.00% CPY-3-O2 11.00% CY-3-O2 14.75% PP-1-3 3.25% PY-3-O2 12.00% Example M135 To prepare the PS-VA mixture, 99.7% of the mixture of Example M134 was mixed with 0.3% of the polymerizable compound of the formula.Example M136 B-2O-O5 4.00% Clear point [℃]: 85.5 CC-3-V 32.00% CCH-13 6.00% CCH-34 5.00% CCY-3-O1 7.00% CCOY-3-O2 4.00% CCOY-4-O2 1.50% CLY-2-O4 5.50% CLY-3-O2 4.00% CPY-2-O2 10.00% CPY-3-O2 10.00% CY-3-O2 7.00% PGIY-2-O4 4.00% Example M137 To prepare the PS-VA mixture, 99.7% of the mixture of Example M136 was mixed with 0.3% of the polymerizable compound of the formula.Example M138 To prepare the PS-VA mixture, 99.75% of the mixture of Example M136 was mixed with 0.25% of the polymerizable compound of the formula.Example M139 To prepare the PS-VA mixture, 99.7% of the mixture of Example M136 was mixed with 0.3% of the polymerizable compound of the formula.Example M140 BCH-32 4.50% Clear point [℃]: 74.2 BCH-52 2.50% Δn [589 nm, 20°C]: 0.1121 CC-3-V1 10.00% Δε [1 kHz, 20°C]: -3.4 CCH-13 13.75% ε _‖ [1 kHz, 20℃]: 3.7 CCOC-3-3 3.50% ε _⊥ [1 kHz, 20℃]: 7.1 CCOC-4-3 3.50% K ₁ [pN, 20°C]: 14.3 CCY-3-O1 2.50% K ₃ [pN, 20°C]: 15.7 CCY-3-O2 7.50% V ₀ [20℃, V]: 2.26 CPY-2-O2 10.00% CPY-3-O2 11.00% CY-3-O2 15.50% PP-1-3 3.25% PY-3-O2 12.00% PPGU-3-F 0.50% Example M141 The mixture of Example M140 additionally contained 0.03%.Example M142 B-2O-O5 4.00% Clear point [℃]: 85.1 CC-3-V 32.00% Δn [589 nm, 20°C]: 0.0998 CCH-13 6.00% Δε [1 kHz, 20℃]: -3.5 CCH-34 5.00% ε _‖ [1 kHz, 20℃]: 3.5 CCY-3-O1 7.00% ε _⊥ [1 kHz, 20℃]: 7.0 CCY-3-O2 4.00% K ₁ [pN, 20°C]: 14.8 CCY-4-O2 1.50% K ₃ [pN, 20°C]: 15.2 CLY-2-O4 5.50% V ₀ [20℃, V]: 2.20 CLY-3-O2 4.00% CPY-2-O2 10.00% CPY-3-O2 10.00% CY-3-O2 7.00% PGIY-2-O4 4.00% Example M143 CC-3-V 22.50% Clear point [℃]: 74.7 CC-3-V1 10.50% Δn [589 nm, 20°C]: 0.0984 CCH-13 1.00% Δε [1 kHz, 20℃]: -3.1 CCH-34 6.50% ε _‖ [1 kHz, 20℃]: 3.7 CCY-3-O1 7.00% ε _⊥ [1 kHz, 20℃]: 6.6 CCY-3-O2 13.00% K ₁ [pN, 20°C]: 14.0 CPY-2-O2 2.00% K ₃ [pN, 20°C]: 13.7 CPY-3-O2 10.50% γ ₁ [mPa·s, 20℃]: 98 CY-3-O2 12.00% V ₀ [20℃, V]: 2.24 PCH-301 0.50% PY-3-O2 11.50% PYP-2-4 3.00% Example M144 B-2O-O5 4.00% Clear point [℃]: 84.9 BCH-32 4.50% Δn [589 nm, 20℃]: 0.1066 CC-3-V 29.00% Δε [1 kHz, 20℃]: -4.0 CCH-13 6.00% ε _‖ [1 kHz, 20℃]: 3.6 CCY-3-O1 6.00% ε _⊥ [1 kHz, 20℃]: 7.6 CCY-4-O2 5.50% K ₁ [pN, 20°C]: 15.3 CLY-2-O4 6.00% K ₃ [pN, 20°C]: 15.6 CLY-3-O2 3.00% V ₀ [20℃, V]: 2.09 CPY-2-O2 10.00% CPY-3-O2 10.00% CY-3-O2 6.00% CY-5-O2 6.00% PGIY-2-O4 4.00% Example M145 To prepare the PS-VA mixture, 99.7% of the mixture of Example M144 was mixed with 0.3% of the polymerizable compound of the formula.Example M146 To prepare the PS-VA mixture, 99.7% of the mixture of Example M144 was mixed with 0.3% of the polymerizable compound of the formula.Example M147 CC-3-V1 10.00% Clear point [℃]: 75.5 CCH-13 16.50% Δn [589 nm, 20℃]: 0.1110 CCP-3-1 6.50% Δε [1 kHz, 20°C]: -3.7 CCY-3-O1 9.00% ε _‖ [1 kHz, 20℃]: 3.6 CCY-3-O2 9.50% CPY-2-O2 10.00% CPY-3-O2 10.00% CY-3-O4 10.50% PP-1-2V1 3.50% PY-V2-O2 14.50% Example M148 To prepare the PS-VA mixture, 99.7% of the mixture of Example M147 was mixed with 0.3% of the polymerizable compound of the formula.Example M149 B-2O-O5 5.00% Clear point [℃]: 74.5 BCH-52 8.00% Δn [589 nm, 20°C]: 0.1033 CC-3-V 22.50% Δε [1 kHz, 20℃]: -3.0 CCH-13 9.40% ε _‖ [1 kHz, 20℃]: 3.6 CCH-34 5.50% ε _⊥ [1 kHz, 20℃]: 6.6 CCY-3-O1 8.20% K ₁ [pN, 20°C]: 13.4 CCY-3-O2 8.80% K ₃ [pN, 20°C]: 13.5 CCY-3-O2 11.60% γ ₁ [mPa·s, 20℃]: 96 PP-1-2V1 2.00% V ₀ [20℃, V]: 2.26 PY-3-O2 15.00% PY-4-O2 1.00% PYP-2-3 3.00% Example M150 To prepare the PS-VA mixture, 99.7% of the mixture of Example M149 was mixed with 0.3% of the polymerizable compound of the formula.Example M151 B-2O-O5 5.00% Clear point [℃]: 74.5 BCH-52 7.25% Δn [589 nm, 20°C]: 0.1033 CC-3-V 22.50% Δε [1 kHz, 20℃]: -3.1 CCH-13 5.75% ε _‖ [1 kHz, 20℃]: 3.5 CCH-301 1.00% ε _⊥ [1 kHz, 20℃]: 6.6 CCH-34 5.50% K ₁ [pN, 20°C]: 14.4 CCH-35 3.50% K ₃ [pN, 20°C]: 13.9 CCY-3-O1 8.00% γ ₁ [mPa·s, 20℃]: 95 CCY-3-O2 10.00% V ₀ [20℃, V]: 2.26 CCY-4-O2 9.50% PP-1-2V1 2.50% PY-3-O2 11.00% PY-4-O2 5.50% PYP-2-3 3.00% Example M152 B-2O-O5 4.00% Clear point [℃]: 84.9 BCH-52 4.50% Δn [589 nm, 20℃]: 0.1066 CC-3-V 28.50% Δε [1 kHz, 20℃]: -4.1 CCH-13 5.00% ε _‖ [1 kHz, 20℃]: 3.6 CCY-3-O1 6.00% ε _⊥ [1 kHz, 20℃]: 7.7 CCY-4-O2 5.50% K ₁ [pN, 20°C]: 14.9 CLY-2-O4 6.50% K ₃ [pN, 20°C]: 15.4 CLY-3-O2 3.00% V ₀ [20℃, V]: 2.05 CPY-2-O2 10.00% CPY-3-O2 10.00% CY-3-O2 6.50% CY-5-O2 7.00% PGIY-2-O4 3.50% Example M153 To prepare the PS-FFS mixture, 99.7% of the mixture of Example M152 and 0.3% of the polymerizable compound of the formula and 0.001% Irganox-1076 (BASF) mixed.Example M154 CC-3-V1 10.00% Clear point [℃]: 75.1 CCH-13 16.50% Δn [589 nm, 20℃]: 0.1109 CCP-3-1 6.50% Δε [1 kHz, 20℃]: -3.8 CCY-3-O1 9.00% ε _‖ [1 kHz, 20℃]: 3.6 CCY-3-O2 9.50% ε _⊥ [1 kHz, 20℃]: 7.4 CPY-2-O2 10.00% K ₁ [pN, 20°C]: 14.7 CPY-3-O2 10.00% K ₃ [pN, 20°C]: 16.7 CY-3-O4 10.50% V ₀ [20℃, V]: 2.21 PP-1-2V1 3.50% PY-3-O2 14.50% Example M155 The mixture of Example M152 additionally contained 0.04% of a compound of the formula And 0.02% of the compound of the following formula.Example M156 BCH-32 5.00% Clear point [℃]: 74.6 CC-3-V1 10.00% Δn [589 nm, 20℃]: 0.1110 CCH-13 16.00% Δε [1 kHz, 20℃]: -3.6 CCH-34 6.00% ε _‖ [1 kHz, 20℃]: 3.6 CCY-3-O1 6.50% ε _⊥ [1 kHz, 20℃]: 7.2 CCY-3-O2 10.00% K ₁ [pN, 20°C]: 14.4 CPY-2-O2 10.00% K ₃ [pN, 20°C]: 15.8 CPY-3-O2 11.00% V ₀ [20℃, V]: 2.21 CY-3-O2 9.00% PP-1-2V1 1.50% PY-3-O2 15.00% Example M157 The mixture of Example M156 additionally contained 0.03% of a compound of the formula.Example M158 To prepare the PS-VA mixture, 99.7% of the mixture of Example M156 was mixed with 0.3% of the polymerizable compound of the formula.Example M159 CC-3-V1 8.50% Clear point [℃]: 74 CCH-13 15.50% Δn [589 nm, 20℃]: 0.1052 CCH-34 7.00% Δε [1 kHz, 20℃]: -2.8 CCP-3-1 13.50% ε _‖ [1 kHz, 20℃]: 3.3 CCY-3-O1 3.50% ε _⊥ [1 kHz, 20℃]: 6.2 CCY-3-O2 10.00% K ₁ [pN, 20°C]: 15.7 CPY-3-O2 12.00% K ₃ [pN, 20°C]: 17.9 CY-3-O2 10.00% V ₀ [20℃, V]: 2.66 PP-1-2V1 5.50% PY-3-O2 14.50% Example M160 BCH-32 6.00% Clear point [℃]: 74.6 CC-3-V1 10.00% Δn [589 nm, 20°C]: 0.1117 CCH-13 15.50% Δε [1 kHz, 20℃]: -3.5 CCH-34 6.00% ε _‖ [1 kHz, 20℃]: 3.5 CCY-3-O1 5.50% ε _⊥ [1 kHz, 20℃]: 7.0 CCY-3-O2 10.00% K ₁ [pN, 20°C]: 14.7 CPY-2-O2 10.00% K ₃ [pN, 20°C]: 15.7 CPY-3-O2 11.00% V ₀ [20℃, V]: 2.23 CY-3-O4 9.00% PP-1-2V1 2.00% PY-3-O2 15.00% Example M161 The mixture of Example M160 additionally contained 0.03% of a compound of the formula.Example M162 To prepare a polymer-stabilized LC mixture, 99.7% of a mixture of Example M160 and 0.3% of a polymerizable compound of the formula and 0.001% Irganox-1076 (BASF) mixed.Example M163 BCH-32 6.00% Clear point [℃]: 74.6 CC-3-V1 10.00% Δn [589 nm, 20°C]: 0.1117 CCH-13 15.50% Δε [1 kHz, 20°C]: -3.4 CCH-34 6.00% ε _‖ [1 kHz, 20℃]: 3.5 CCY-3-O1 5.50% ε _⊥ [1 kHz, 20℃]: 6.9 CCY-3-O2 10.00% K ₁ [pN, 20°C]: 14.7 CPY-2-O2 10.00% K ₃ [pN, 20°C]: 15.8 CPY-3-O2 11.00% V ₀ [20℃, V]: 2.27 CY-3-O4 9.00% PP-1-2V1 3.00% PY-3-O2 14.00% Example M164 To prepare a polymer-stabilized LC mixture, 99.7% of a mixture of Example M163 and 0.3% of a polymerizable compound of the formula and 0.001% Irganox-1076 (BASF) mixed.Example M165 The mixture of Example M163 additionally contained 0.03% of a compound of the formula.Example M166 B-2O-O5 4.00% Clear point [℃]: 85.2 CC-3-V 31.50% Δn [589 nm, 20℃]: 0.0976 CCH-13 6.00% Δε [1 kHz, 20℃]: -3.5 CCH-34 6.00% ε _‖ [1 kHz, 20℃]: 3.5 CCY-3-O1 5.50% ε _⊥ [1 kHz, 20℃]: 6.9 CCY-3-O2 3.00% K ₁ [pN, 20°C]: 14.7 CCY-4-O2 4.00% K ₃ [pN, 20°C]: 15.1 CLY-2-O4 6.00% V ₀ [20℃, V]: 2.21 CLY-3-O2 4.00% CPY-2-O2 10.00% CPY-3-O2 10.00% CY-3-O2 7.00% PGIY-2-O4 3.00% Example M167 To prepare the PS-VA mixture, 99.7% of the mixture of Example M166 was mixed with 0.3% of the polymerizable compound of the formula and 0.001% Irganox-1076 (BASF) mixed.Example M168 B-2O-O5 4.00% Clear point [℃]: 85.3 CC-3-V 31.50% CCH-13 6.00% CCH-34 6.00% CCY-3-O1 5.50% CCOY-3-O2 3.00% CCOY-4-O2 4.00% CLY-2-O4 6.00% CLY-3-O2 4.00% CPY-2-O2 10.00% CPY-3-O2 10.00% CY-3-O2 7.00% PGIY-2-O4 3.00% Example M169 To prepare a polymer-stabilized LC mixture, 99.99% of the mixture of Example M168 was mixed with 0.01% of the polymerizable compound of the formula:.Example M169 To prepare the PS-VA mixture, 99.7% of the mixture of Example M168 and 0.3% of the polymerizable compound of the formula and 0.001% Irganox-1076 (BASF) mixed.Example M170 BCH-32 3.00% Clear point [℃]: 110.4 CCH-13 16.50% Δn [589 nm, 20°C]: 0.0981 CCH-34 4.50% Δε [1 kHz, 20°C]: -3.7 CCH-35 6.00% ε _‖ [1 kHz, 20℃]: 3.3 CCP-3-1 5.50% ε _⊥ [1 kHz, 20℃]: 7.0 CCY-3-1 4.00% K ₁ [pN, 20°C]: 19.7 CCY-3-O1 11.00% K ₃ [pN, 20°C]: 20.5 CCY-3-O2 13.00% γ ₁ [mPa·s, 20℃]: 212 CCY-4-O2 11.00% V ₀ [20℃, V]: 2.48 CPY-2-O2 5.50% CPY-3-O2 11.50% CY-3-O2 8.00% CY-5-O2 0.50% Example M171 BCH-32 3.00% Clear point [℃]: 110.3 CCH-13 16.50% Δn [589 nm, 20°C]: 0.0983 CCH-34 4.50% Δε [1 kHz, 20°C]: -3.7 CCH-35 6.00% ε _‖ [1 kHz, 20℃]: 3.3 CCP-3-1 5.50% ε _⊥ [1 kHz, 20℃]: 7.0 CCY-3-1 4.00% K ₁ [pN, 20°C]: 19.6 CCY-3-O1 11.00% K ₃ [pN, 20°C]: 20.5 CCY-3-O2 11.50% γ ₁ [mPa·s, 20℃]: 213 CCY-4-O2 11.00% V ₀ [20℃, V]: 2.49 CCY-5-O2 1.50% CPY-2-O2 5.50% CPY-3-O2 11.50% CY-3-O2 8.50% Example M172 To prepare a polymer-stabilized LC mixture, 99.9% of the mixture of Example M171 was mixed with 0.1% of the polymerizable compound of the formula.Example M173 BCH-32 3.00% Clear point [℃]: 110.1 CCH-13 14.25% Δn [589 nm, 20℃]: 0.0980 CCH-34 5.00% Δε [1 kHz, 20°C]: -3.7 CCH-35 6.50% ε _‖ [1 kHz, 20℃]: 3.3 CCP-3-1 4.50% ε _⊥ [1 kHz, 20℃]: 7.0 CCY-3-1 6.50% K ₁ [pN, 20°C]: 19.2 CCY-3-O1 9.00% K ₃ [pN, 20°C]: 20.3 CCY-3-O2 14.50% γ ₁ [mPa·s, 20℃]: CCY-4-O2 10.00% V ₀ [20℃, V]: 2.48 CPY-2-O2 92.75% CPY-3-O2 14.00% CY-3-O4 9.50% Example M174 BCH-32 5.50% Clear point [℃]: 75.1 CC-3-V1 8.50% Δn [589 nm, 20°C]: 0.984 CCH-13 19.00% Δε [1 kHz, 20°C]: -3.3 CCH-301 4.00% ε _‖ [1 kHz, 20℃]: 3.5 CCH-34 5.50% ε _⊥ [1 kHz, 20℃]: 6.8 CCY-3-O1 9.00% K ₁ [pN, 20°C]: 14.1 CCY-3-O2 9.00% K ₃ [pN, 20°C]: 15.1 CPY-2-O2 10.00% γ ₁ [mPa·s, 20℃]: CPY-3-O2 10.00% V ₀ [20℃, V]: 2.25 CY-3-O2 13.00% PY-3-O2 6.50% Example M175 B-2O-O5 4.00% Clear point [℃]: 74.1 BCH-32 8.00% Δn [589 nm, 20°C]: 0.1084 CC-3-V1 9.00% Δε [1 kHz, 20℃]: -3.2 CCH-13 5.00% ε _‖ [1 kHz, 20℃]: 3.6 CCH-34 8.00% ε _⊥ [1 kHz, 20℃]: 6.8 CCH-35 8.00% K ₁ [pN, 20°C]: 14.6 CCP-3-1 8.00% K ₃ [pN, 20°C]: 16.0 CCY-3-O2 4.50% γ ₁ [mPa·s, 20℃]: CLY-3-O2 10.00% V ₀ [20℃, V]: 2.35 CY-3-O2 14.00% PCH-301 5.00% PGIY-2-O4 5.00% PY-3-O2 11.50% Example M176 B-2O-O5 4.00% Clear point [℃]: 74.5 BCH-32 8.00% Δn [589 nm, 20℃]: 0.1090 CC-3-V1 9.00% Δε [1 kHz, 20℃]: -3.1 CCH-13 10.00% ε _‖ [1 kHz, 20℃]: 3.5 CCH-34 8.00% ε _⊥ [1 kHz, 20℃]: 6.6 CCH-35 4.00% K ₁ [pN, 20°C]: 14.7 CCP-3-1 8.00% K ₃ [pN, 20°C]: 16.5 CCY-3-O2 11.00% γ ₁ [mPa·s, 20℃]: CCY-4-O2 3.00% V ₀ [20℃, V]: 2.43 CPY-3-O2 7.00% CY-3-O2 6.00% PCH-301 4.00% PY-3-O2 18.00% Example M177 B-2O-O5 4.00% Clear point [℃]: 74.5 BCH-32 8.00% Δn [589 nm, 20°C]: 0.1089 CC-3-V1 9.00% Δε [1 kHz, 20℃]: -3.1 CCH-13 6.00% ε _‖ [1 kHz, 20℃]: 3.5 CCH-34 8.00% ε _⊥ [1 kHz, 20℃]: 6.6 CCH-35 7.00% K ₁ [pN, 20°C]: 14.7 CCP-3-1 8.00% K ₃ [pN, 20°C]: 16.6 CCY-3-O2 11.00% γ ₁ [mPa·s, 20℃]: CCY-4-O2 2.50% V ₀ [20℃, V]: 2.42 CPY-3-O2 6.00% CY-3-O2 7.50% PCH-301 5.00% PY-3-O2 18.00% Example M178 B-2O-O5 4.00% Clear point [℃]: 74.3 BCH-32 8.00% Δn [589 nm, 20°C]: 0.1088 CC-3-V1 9.00% Δε [1 kHz, 20℃]: -3.2 CCH-13 10.00% ε _‖ [1 kHz, 20℃]: 3.5 CCH-34 8.00% ε _⊥ [1 kHz, 20℃]: 6.7 CCH-35 4.00% K ₁ [pN, 20°C]: 14.9 CCP-3-1 8.00% K ₃ [pN, 20°C]: 16.6 CCY-3-O2 11.00% γ ₁ [mPa·s, 20℃]: 102 CCY-4-O2 3.00% V ₀ [20℃, V]: 2.39 CPY-3-O2 7.00% CY-3-O2 7.50% PCH-301 2.50% PY-3-O2 18.00% Example M179 To prepare a polymer-stabilized LC mixture, 99.7% of a mixture of Example M173 and 0.3% of a polymerizable compound of the formula and 0.001% Irganox-1076 (BASF) mixed.Example M180 CC-5-V 20.00% Clear point [℃]: 75.0 CCH-13 14.50% Δn [589 nm, 20°C]: 0.1078 CC-3-V1 8.00% Δε [1 kHz, 20℃]: -2.9 CCP-3-1 2.00% ε _‖ [1 kHz, 20℃]: 3.4 CCY-3-O1 6.00% ε _⊥ [1 kHz, 20℃]: 6.3 CCY-3-O2 10.00% K ₁ [pN, 20°C]: 15.0 CPY-2-O2 5.50% K ₃ [pN, 20°C]: 15.6 CCY-3-O2 11.50% γ ₁ [mPa·s, 20℃]: 98 PY-3-O2 17.50% V ₀ [20℃, V]: 2.45 PYP-2-3 5.00% Example M181 CC-3-V1 8.50% Clear point [℃]: 74.5 CCH-13 11.00% Δn [589 nm, 20°C]: 0.0983 CCH-35 7.00% Δε [1 kHz, 20℃]: -3.5 CCH-34 5.00% ε _‖ [1 kHz, 20℃]: 3.6 CCP-3-1 13.50% ε _⊥ [1 kHz, 20℃]: 7.1 CCY-3-O1 6.00% K ₁ [pN, 20°C]: 15.5 CCY-3-O2 9.00% K ₃ [pN, 20°C]: 16.5 CPY-3-O2 10.50% γ ₁ [mPa·s, 20℃]: 101 CY-3-O2 11.50% V ₀ [20℃, V]: 2.30 Y-4O-O4 6.00% LTS [overall-20℃]: > 1000 h B(S)-2O-O5 4.00% PP-1-3 5.00% B(S)-2O-O4 3.00% Example M182 CC-VV 10.00% Clear point [℃]: 73.5 CCH-13 10.00% Δn [589 nm, 20℃]: 0.1067 CCP-V-1 10.00% Δε [1 kHz, 20℃]: -2.8 CCY-2-1 10.00% ε _‖ [1 kHz, 20℃]: 3.5 CCY-3-1 10.00% ε _⊥ [1 kHz, 20℃]: 6.2 CCY-3-O1 10.00% K ₁ [pN, 20°C]: 12.8 CCY-3-O2 7.00% K ₃ [pN, 20°C]: 14.5 CPY-2-O2 10.00% γ ₁ [mPa·s, 20℃]: CY-3-O2 4.00% V ₀ [20℃, V]: 2.42 PP-1-3 10.00% PY-3-O2 9.00% Example M183 CC-3-V1 11.00% Clear point [℃]: 75 CCH-13 9.00% Δn [589 nm, 20°C]: 0.0983 CC-1-4 8.00% Δε [1 kHz, 20°C]: -3.4 CCH-34 10.00% ε _‖ [1 kHz, 20℃]: 3.4 CCP-V-1 5.00% ε _⊥ [1 kHz, 20℃]: 6.8 CCY-3-O1 1.50% K ₁ [pN, 20°C]: 14.8 CCY-3-O2 9.50% K ₃ [pN, 20°C]: 15.8 CLY-3-O2 5.00% γ ₁ [mPa·s, 20℃]: 104 CLY-3-O3 5.00% V ₀ [20℃, V]: 2.29 CPY-3-O2 10.00% CY-3-O2 11.50% PGIY-2-O4 2.50% PY-3-O2 12.00% Example M184 BCH-32 15.00% Clear point [℃]: 75.2 CCH-13 15.00% Δn [589 nm, 20°C]: 0.1101 CCH-23 10.00% Δε [1 kHz, 20℃]: -2.5 CCH-34 5.00% ε _‖ [1 kHz, 20℃]: 3.5 CCP-3-1 11.50% ε _⊥ [1 kHz, 20℃]: 6.0 CLY-3-O2 8.00% K ₁ [pN, 20°C]: 14.6 CPY-2-O2 4.50% K ₃ [pN, 20°C]: 13.9 CPY-3-O2 10.00% γ ₁ [mPa·s, 20℃]: PGIY-2-O4 6.00% V ₀ [20℃, V]: 2.39 PY-3-2 5.00% LTS [overall-20℃]: > 1000 h Y-4O-O4 10.00% Example M185 BCH-32 13.00% Clear point [℃]: 71.2 BCH-52 10.00% Δn [589 nm, 20℃]: 0.1092 CCH-13 15.00% Δε [1 kHz, 20℃]: -2.2 CCH-23 9.00% ε _‖ [1 kHz, 20℃]: 3.5 CCH-301 7.00% ε _⊥ [1 kHz, 20℃]: 5.7 CCH-34 5.00% K ₁ [pN, 20°C]: 12.8 CLY-3-O2 8.00% K ₃ [pN, 20°C]: 11.9 CPY-2-O2 8.00% γ ₁ [mPa·s, 20℃]: 104 CPY-3-O2 6.50% V ₀ [20℃, V]: 2.47 PGIY-2-O4 6.00% PYP-2-4 2.50% Y-4O-O4 10.00% Example M186 CC-3-V1 10.00% Clear point [℃]: 75.5 CCH-13 11.50% Δn [589 nm, 20°C]: 0.0984 CCH-34 5.50% Δε [1 kHz, 20℃]: -3.5 CCH-35 9.00% ε _‖ [1 kHz, 20℃]: 3.5 CCP-3-1 5.50% ε _⊥ [1 kHz, 20℃]: 7.0 CCY-3-O2 12.50% K ₁ [pN, 20°C]: 15.2 CPY-2-O2 8.00% K ₃ [pN, 20°C]: 16.9 CPY-3-O2 11.00% γ ₁ [mPa·s, 20℃]: 112 CY-3-O2 15.50% V ₀ [20℃, V]: 2.31 PGIY-2-O4 2.00% PY-3-O2 9.50% Example M187 To prepare a polymer-stabilized LC mixture, 99.7% of a mixture of Example M186 and 0.3% of a polymerizable compound of the formula and 0.001% Irganox-1076 (BASF) mixed.Example M188 BCH-32 2.50% Clear point [℃]: 75 CC-3-V1 8.00% Δn [589 nm, 20°C]: 0.01057 CCH-13 15.00% Δε [1 kHz, 20℃]: -2.8 CCH-34 2.50% ε _‖ [1 kHz, 20℃]: 3.3 CCH-35 5.00% ε _⊥ [1 kHz, 20℃]: 6.2 CCP-3-1 11.00% K ₁ [pN, 20°C]: 15.9 CCY-3-O1 6.00% K ₃ [pN, 20°C]: 18.2 CCY-3-O2 10.00% γ ₁ [mPa·s, 20℃]: 106 CPY-3-O2 10.00% V ₀ [20℃, V]: 2.68 CPY-3-O2 10.00% CY-3-O2 12.00% PP-1-2V1 6.00% PY-3-O2 12.00% Example M189 BCH-32 4.50% Clear point [℃]: 75 CC-3-V1 8.50% Δn [589 nm, 20℃]: 0.1055 CCH-13 14.50% Δε [1 kHz, 20℃]: -2.8 CCH-34 3.00% ε _‖ [1 kHz, 20℃]: 3.3 CCH-35 4.50% ε _⊥ [1 kHz, 20℃]: 6.1 CCP-3-1 11.00% K ₁ [pN, 20°C]: 15.6 CCY-3-O1 4.50% K ₃ [pN, 20°C]: 17.6 CCY-3-O2 10.00% γ ₁ [mPa·s, 20℃]: 102 CPY-3-O2 9.00% V ₀ [20℃, V]: 2.67 CY-3-O2 12.00% PP-1-2V1 5.00% PY-3-O2 11.00% PY-4-O2 2.00% Example M190 B-2O-O5 5.00% Clear point [℃]: 74.5 BCH-52 8.00% Δn [589 nm, 20°C]: 0.1033 CC-3-V 22.50% Δε [1 kHz, 20℃]: -3.0 CCH-13 9.40% ε _‖ [1 kHz, 20℃]: 3.6 CCH-34 5.50% K ₁ [pN, 20°C]: 13.4 CCY-3-O1 8.20% K ₃ [pN, 20°C]: 13.5 CCY-3-O2 8.80% γ ₁ [mPa·s, 20℃]: 96 CCY-4-O2 11.60% V ₀ [20℃, V]: 2.26 PP-1-2V1 2.00% PY-3-O2 15.00% PY-4-O2 1.00% PYP-2-3 3.00% Example M191 To prepare a polymer-stabilized LC mixture, 99.7% of a mixture of Example M190 and 0.3% of a polymerizable compound of the formula and 0.001% Irganox-1076 (BASF) mixed.Example M192 CC-3-V1 12.50% CCH-13 19.00% CCH-34 6.50% CCY-3-O1 12.00% CCY-3-O2 12.00% CCY-4-O2 9.00% CPY-3-O2 1.00% CY-3-O2 7.00% PY-3-O2 13.00% PYP-2-3 5.50% PYP-2-4 2.50% Example M193 To prepare a polymer-stabilized LC mixture, 99.7% of a mixture of Example M192 and 0.3% of a polymerizable compound of the formula and 0.001% Irganox-1076 (BASF) mixed.Example M194 CC-3-V1 11.25% CCH-13 16.00% CCH-301 0.75% CCH-34 6.50% CCH-35 5.00% CCY-3-O1 11.50% CCY-3-O2 13.50% CCY-4-O2 6.25% CPY-3-O2 0.50% CY-3-O2 6.50% PY-3-O2 14.50% PYP-2-3 7.25% PYP-2-4 0.50% Example M195 To prepare a polymer-stable LC mixture, 99.7% of a mixture of Example M194 and 0.3% of a polymerizable compound of the formula and 0.001% Irganox-1076 (BASF) mixed.Example M196 To prepare a polymer-stabilized LC mixture, 99.8% of the mixture of Example M194 was mixed with 0.2% of the polymerizable compound of the formula.Example M197 B-2O-O5 5.00% Clear point [℃]: 75 BCH-52 7.25% Δn [589 nm, 20℃]: 0.1034 CC-3-V 22.50% CCH-13 5.75% CCH-301 1.00% CCH-34 5.50% CCH-35 3.50% CCY-3-O1 8.00% CCOY-3-O2 10.00% CCOY-4-O2 9.50% PP-1-2V1 2.50% PY-V2-O2 11.00% PY-4-O2 5.50% PYP-2-3 3.00% Example M198 To prepare a polymer-stabilized LC mixture, 99.7% of a mixture of Example M197 and 0.3% of a polymerizable compound of the formula and 0.001% Irganox-1076 (BASF) mixed.Example M199 To prepare a polymer-stabilized LC mixture, 99.8% of the mixture of Example M197 was mixed with 0.2% of the polymerizable compound of the formula.Example M200 The mixture of Example M188 additionally contained 0.03% of a compound of the formula.Example M201 The mixture of Example M188 additionally contained 0.04% of a compound of the formula And 0.02% of the compound of the following formula.Example M202 The mixture of Example M99 additionally contained 0.03% of a compound of the formula.Example M203 The mixture of Example M99 additionally contained 0.04% of a compound of the formula And 0.02% of the compound of the following formula.Example M204 CC-3-V1 9.00% Clear point [℃]: 74.8 CCH-13 18.00% CCH-34 9.00% CCP-3-1 5.50% CCY-3-O1 3.50% CCY-3-O2 11.50% CPY-V-O2 9.00% CPY-3-O2 11.00% CY-3-O2 13.50% PY-3-O2 10.00% Example M205 The mixture of Example M204 additionally contained 0.03% of a compound of the formula.Example M206 CC-3-V1 10.00% Clear point [℃]: 77 CCH-13 11.50% CCH-34 5.50% CCH-35 9.00% CCP-3-1 5.50% CCY-3-O2 12.50% CPY-2-O2 8.00% CPY-3-O2 11.00% CY-3-O2 15.50% CK-3-F 2.00% PY-3-O2 9.50% Example M207 CC-3-V1 12.50% Clear point [℃]: 74.9 CCH-13 19.00% Δn [589 nm, 20℃]: 0.0980 CCH-34 6.50% Δε [1 kHz, 20°C]: -3.3 CCY-3-O1 12.00% ε _‖ [1 kHz, 20℃]: 3.4 CCY-3-O2 12.00% K ₁ [pN, 20°C]: 14.7 CCY-4-O2 9.00% K ₃ [pN, 20°C]: 15.6 CPY-3-O2 1.00% γ ₁ [mPa·s, 20℃]: 109 CY-3-O2 7.00% V ₀ [20℃, V]: 2.29 PY-3-O2 13.00% PYP-2-3 5.50% PYP-2-4 2.50% Example M208 To prepare the PS-VA mixture, 99.7% of the mixture of Example M207 and 0.3% of the polymerizable compound of the formula and 0.001% Irganox-1076 (BASF) mixed.Example M209 CC-3-V1 11.25% Clear point [℃]: 74.7 CCH-13 16.00% Δn [589 nm, 20℃]: 0.0977 CCH-301 0.75% Δε [1 kHz, 20℃]: -3.2 CCH-34 6.50% ε _‖ [1 kHz, 20℃]: 3.4 CCH-35 5.00% K ₁ [pN, 20°C]: 14.7 CCY-3-O1 11.50% K ₃ [pN, 20°C]: 15.6 CCY-3-O2 13.50% γ ₁ [mPa·s, 20℃]: 106 CCY-4-O2 6.25% V ₀ [20℃, V]: 2.33 CPY-3-O2 0.50% CY-3-O2 6.50% PY-3-O2 14.50% PYP-2-3 7.25% PYP-2-4 0.50% Example M210 To prepare the PS-VA mixture, 99.7% of the mixture of Example M209 and 0.3% of the polymerizable compound of the formula and 0.001% Irganox-1076 (BASF) mixed.Example M211 To prepare the PS-VA mixture, 99.7% of the mixture of Example M151 and 0.3% of the polymerizable compound of the formula and 0.001% Irganox-1076 (BASF) mixed.

Claims (23)

A liquid crystal medium based on a mixture of polar compounds, characterized in that it contains a compound of formula I,

, and at least one compound selected from the group consisting of formula BC, CR, PH-1, PH-2, BF-1, BF-2, BS-1 and BS-2,

wherein R ^B1 , R ^B2 , R ^CR1 , R ^CR2 , R ¹ , and R ² each independently represent H; an alkyl or alkenyl group with up to 15 C atoms, which is unsubstituted, monosubstituted by CN or CF ₃ or at least monosubstituted by halogen, wherein, in addition, one or more of the CH ₂ groups in these groups may be -O-, -S-,

, -C≡C-, -CF ₂ O-, -OCF ₂ -, -OC-O- or -O-CO- substitution, c is 0, 1 or 2, and d is 1 or 2. The liquid crystal medium of claim 1, wherein the at least one compound selected from the group consisting of formula BC, CR, PH-1, PH-2, BF-1, BF-2, BS-1 and BS-2 is selected from the group consisting of formula BC- The group of compounds from 1 to BC-7, CR-1 to CR-5, BF-1a to BF-1d and BS-1a to BS-1d,

Wherein alkyl and alkyl* each independently represent a straight-chain alkyl group having 1 to 6 C atoms, alkenyl and alkenyl* each independently represent a straight-chain alkenyl group having 2 to 6 C atoms, alkyl Oxy and alkoxy* each independently represent an alkoxy group having 1 to 6 C atoms, and alkenoxy represents a linear alkenyloxy group having 2 to 6 C atoms. The liquid crystal medium of claim 1, wherein the at least one is selected from the group consisting of BC, CR, PH- 1. The amount of compounds of PH-2, BF-1, BF-2, BS-1 and BS-2 is 3 to 15% by weight. Such as the liquid crystal medium of claim 2, wherein the medium contains one, two or three compounds of formulas BC-2 and BF-1a. The liquid crystal medium of claim 1, wherein it additionally contains one or more compounds selected from the group of compounds of formulas IIA, IIB and IIC,

wherein R ^2A , R ^2B and R ^2C each independently represent H; an alkyl or alkenyl group having up to 15 C atoms, which is unsubstituted, monosubstituted with CN or CF ₃ or at least monosubstituted with halogen, wherein, In addition, one or more of the CH ₂ groups in these groups may be passed through -O-, -S-,

, -C≡C-, -CF ₂ O-, -OCF ₂ -, -OC-O- or -O-CO- substitution, L ^1-4 each independently represents F or Cl, Z ² and Z ^2' each independently Independently represents a single bond, -CH ₂ CH ₂ -, -CH=CH-, -CF ₂ O-, -OCF ₂ -, -CH ₂ O-, -OCH ₂ -, -COO-, -OCO-, - C ₂ F ₄ -, -CF=CF-, -CH=CHCH ₂ O-, p represents 1 or 2, q represents 0 or 1, and v represents 1 to 6. Such as the liquid crystal medium of claim 5, wherein the compounds of formulas IIA, IIB and IIC are selected from the group consisting of compounds of formulas IIA-1 to IIA-50, IIB-1 to IIB-16 and IIC-1,

wherein alkyl and alkyl* each independently represent a straight-chain alkyl group having 1 to 6 C atoms and alkenyl represents an alkenyl group having 2 to 15 C atoms. The liquid crystal medium of claim 1, wherein the medium additionally contains one or more compounds of formula III,

wherein R ³¹ and R ³² each independently represent a straight-chain alkyl group, an alkoxyalkyl group or an alkoxy group having up to 12 C atoms,

express

,

,

,

or

Z ³ represents a single bond, -CH ₂ CH ₂ -, -CH=CH-, -CF ₂ O-, -OCF ₂ -, -CH ₂ O-, -OCH ₂ -, -COO-, -OCO-, - C ₂ F ₄ -, -C ₄ H ₉ -, -CF=CF-. The liquid crystal medium of claim 1, wherein the medium additionally contains one or more compounds of formulas L-1 to L-11,

wherein R, R ¹ and R ² each independently have the meaning indicated for R ^2A in claim 2, and alkyl represents an alkyl group having 1 to 6 C atoms, and s represents 1 or 2. The liquid crystal medium of claim 1, wherein the medium additionally contains one or more compounds of formulas O-1 to O-17,

wherein R ¹ and R ² each independently have the meaning indicated for R ^2A in claim 2, and the compound(s) of formula O-17 is not the same as the compound of formula I. The liquid crystal medium of claim 1, wherein the medium additionally contains one or more indane compounds of the formula In,

Among them, R ¹¹ , R ¹² and R ¹³ respectively represent a straight-chain alkyl group, alkoxy group, alkoxyalkyl group or alkenyl group with 1 to 6 or 2 to 6 C atoms. R ¹² and R ¹³ also represent halogen. ,

express

i represents 0, 1 or 2. The liquid crystal medium of any one of claims 1 to 10, wherein the proportion of the compound of formula I in the overall mixture is 1 to 30% by weight. The liquid crystal medium of any one of claims 1 to 10, wherein it additionally contains one or more compounds from the group of compounds of the following formula,

The liquid crystal medium of any one of claims 1 to 10, wherein it additionally contains a compound selected from the group consisting of:

The liquid crystal medium of any one of claims 1 to 10, wherein it additionally contains one or more compounds selected from the group consisting of compounds of formulas B-1 to B-4

wherein alkyl and alkyl* each independently represent a straight-chain alkyl group having 1 to 6 C atoms, and alkenyl and alkenyl* each independently represent a straight-chain alkenyl group having 2 to 6 C atoms, and Alkoxy represents a straight-chain alkoxy group having 1 to 6 C atoms. The liquid crystal medium of any one of claims 1 to 10, wherein it additionally contains one or more compounds selected from the group consisting of compounds of formulas B-1a, B-2a, B-2b and B-2c

Where alkyl* represents an alkyl group having 1 to 6 C atoms. The liquid crystal medium of any one of claims 1 to 10, wherein the medium contains at least one polymerizable compound. The liquid crystal medium of claim 16, wherein the medium contains one or more initiators for polymerization. The liquid crystal medium of claim 17, wherein the amount of the initiator is 0.001 to 2% by weight based on the liquid crystal medium. The liquid crystal medium of any one of claims 1 to 10, wherein the medium contains one or more additives. The liquid crystal medium of claim 19, wherein the additive is selected from the group consisting of free radical scavengers, Antioxidants and/or UV stabilizers. A use of a liquid crystal medium according to any one of claims 1 to 20, which is used in an electro-optical display. An electro-optical display with active matrix addressing, characterized in that it contains the liquid crystal medium according to any one of claims 1 to 20 as a dielectric. The electro-optical display of claim 22, wherein it is a VA, PSA, PS-VA, PALC, IPS, PS-IPS, SS-VA, PM-VA, FFS or PS-FFS display.