Liquid crystal mixture and liquid crystal display

Liquid crystal mixture, comprising a photoalignment component A) comprising one or more photoreactive mesogens of formula I,

• wherein
• A11 denotes a radical selected from the following groups:
• a) a group consisting of 1,4-phenylene and 1,3-phenylene, wherein, in addition, one or two CH groups may be replaced by N and wherein, in addition, one or more H atoms may be replaced by L,
• b) a group selected from the group consisting of
• where, in addition, one or more H atoms in these radicals may be replaced by L, and/or one or more double bonds may be replaced by single bonds, and/or one or more CH groups may be replaced by N,
• A have each, independently of one another, in each occurrence one of the meanings for A11 or
• a) group consisting of trans-1,4-cyclohexylene, 1,4-cyclohexenylene, wherein, in addition, one or more non-adjacent CH2 groups may be replaced by —O— and/or —S— and wherein, in addition, one or more H atoms may be replaced by F, or
• b) a group consisting of tetrahydropyran-2,5-diyl, 1,3-dioxane-2,5-diyl, tetrahydrofuran-2,5-diyl, cyclobutane-1,3-diyl, piperidine-1,4-diyl, thiophene-2,5-diyl and selenophene-2,5-diyl,
• each of which may also be mono- or polysubstituted by L,
• L on each occurrence, identically or differently, denotes —OH, —F, —Cl, —Br, —I, —CN, —NO2, SF5, —NCO, —NCS, —OCN, —SCN, —C(═O)N(Rz)2, —C(═O)Rz, —N(Rz)2, optionally substituted silyl, optionally substituted aryl having 6 to 20 C atoms, or straight-chain or branched or cyclic alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy having 1 to 25 C atoms, or X21—Sp21-R21,
• M denotes —O—, —S—, —CH2—, —CHRz— or —CRyRz—,
• Ry and Rz each, independently of one another, denote H, CN, F or alkyl having 1-12 C atoms, wherein one or more H atoms may be replaced by F,
• Y11 and Y12 each, independently of one another, denote H, F, phenyl or optionally fluorinated alkyl having 1-12 C atoms,
• Z denotes, independently of each other, in each occurrence, a single bond, —COO—, —OCO—, —O—CO—O—,
• —OCH2—, —CH2O—, —OCF2—, —CF2O—, —(CH2)n—,
• —CF2CF2—, —CH═CH—, —CF═CF—, —CH═CH—COO—, —OCO—CH═CH—, —CO—S—,
• —S—CO—, —CS—S—, —S—CS—,
• —S—CSS— or —C≡C—,
• n denotes an integer between 2 and 8,
• and p denote each and independently 0, 1 or 2,
• X11 and X21 denote independently from one another, in each occurrence a single bond, —CO—O—, —O—CO—, —O—COO—,
• —O—, —CH═CH—, —C≡C—, —CF2—O—, —CF2—, —CF2—CF2—, —CH2—O—, —O—CH2—, —CO—S—, —S—CO—, —CS—S—, —S—CS—, —S—CSS— or —S—,
• Sp11 and Sp21 denote each and independently, in each occurrence a single bond or a spacer group comprising 1 to 20 C atoms, wherein one or more non-adjacent and non-terminal CH2 groups may also be replaced by —O—, —S—, —NH—, —N(CH3)—, —CO—, —O—CO—, —S—CO—, —O—COO—,
• —CO—S—, —CO—O—, —CF2—, —CF2O—, —OCF2— —C(OH)—,
• —CH(alkyl)-, —CH(alkenyl)-, —CH(alkoxyl)-, —CH(oxaalkyl)-, —CH═CH— or —C≡C—, however in such a way that no two O-atoms are adjacent to one another and no two groups selected from —O—CO—, —S—CO—, —O—COO—,
• —CO—S—, —CO—O— and —CH═CH— are adjacent to each other,
• R11 denotes P,
• R21 denotes P, halogen, CN, optionally fluorinated alkyl or alkenyl with up to 15 C atoms in which one or more non-adjacent CH2-groups may be replaced by
• —O—, —S—, —CO—, —C(O)O—, —O—C(O)—, O—C(O)—O—,
• P each and independently from another in each occurrence a polymerizable group,
• a liquid-crystalline component B), comprising one or more nematogenic compounds, and
• a polymerizable component C) comprising one or more polymerizable compounds of formula P,
• Pa—Spa-(Ap)n2-Spb-Pb P
• wherein the individual radicals have the following meanings:
• Pa Pb each, independently of one another, denote a polymerizable group, preferably each and independently selected from the group consisting of acrylate, methacrylate, ethacrylate, fluoroacrylate, vinyl¬oxy, chloro¬acry-late, oxetane, or epoxide groups
• Spa, Spb on each occurrence, identically or differently, denote a spacer group or a single bond,
• Ap each and independently from another, in each occurrence, a group selected from 5, 6 or 7-membered alicyclic groups wherein, in addition, one or more non-adjacent CH2 groups may be replaced by —NH—, —O— and/or —S—, wherein one or more non-adjacent —CH2—CH2— groups may be replaced by —CH═CH—, and wherein one or more H atoms may be replaced by F,
• n2 denotes 0, 1, 2 or 3.