Liquid crystal medium and electronic component

A liquid crystal medium comprising

• a) 15% to 65% by weight of one or more compounds of formula I
• in which
• R11 and R12, identically or differently, denote H, alkyl or alkoxy having 1 to 12 C atoms, or alkenyl, alkenyloxy or alkoxyalkyl having 2 to 12 C atoms, in which one or more CH2-groups
• may be replaced by
• and in which one or more H atoms may be replaced by fluorine,
• L11, L12, L13 identically or differently, denote H, CH3, CI or F,
• A11 denotes phenylene-1,4-diyl, in which one or two CH groups may be replaced by N and one or more H atoms may be replaced by halogen, CN, CH3, CHF2, CH2F, CF3, OCH3, OCHF2 or OCF3, cyclohexane-1,4-diyl or cyclohexene-1,4-diyl, in which one or two non-adjacent CH2 groups may be replaced, independently of one another, by O and/or S and one or more H atoms may be replaced by F, bicyclo[1.1.1]pentane-1,3-diyl, bicyclo[2.2.2]octane-1,4-diyl, spiro-[3.3]heptane-2,6-diyl, tetrahydropyran-2,5-diyl or 1,3-dioxane-2,5-diyl,
• A12 denotes phenylene-1,4-diyl, in which one or two CH groups may be replaced by N and one or more H atoms may be replaced by halogen, CN, CH3, CHF2, CH2F, CF3, OCH3, OCHF2 or OCF3, or cyclohexane-1,4-diyl or cyclohexene-1,4-diyl, in which one or two non-adjacent CH2 groups may be replaced, independently of one another, by O and/or S and one or more H atoms may be replaced by F,
• Z1 denotes denote a single
• bond, —CH2CH2—, —CH═CH—, —CF2O—, —OCF2—, —CH2O—, —OCH2—, —COO—, —OCO—, —C2F4—, —CF═CF— or —CH═CHCH2O—,
• n is 0 or 1;
• and
• b) one or more compounds of the formula T,
• in which
• R1 and R2 denote H, F, Cl, Br, —CN, —SCN, —NCS, SF5 or straight-chain alkyl having 1 to 12 C atoms or branched alkyl having 3 to 12 C atoms, in which one or more non-adjacent CH2 groups may each be replaced, independently of one another, by —CH═CH—, —C≡C—, —O—, —CO—, —CO—O—, —O—CO—, or —O—CO—O— in such a way that O atoms are not linked directly to one another, and in which one or more H atoms may be replaced by F, Cl or Br,
• AT1, AT2 and AT3 each, independently of one another, denote phenylene-1,4-diyl, in which one or two CH groups may be replaced by N and one or more H atoms may be replaced by halogen, CN, CH3, CHF2, CH2F, CF3, OCH3, OCHF2 or OCF3, wherein
• AT1 alternatively denotes cyclohexane-1,4-diyl, in which one or two non-adjacent CH2 groups may be replaced, independently of one another, by O and/or S and one or more H atoms may be replaced by F, cyclohexene-1,4-diyl, bicyclo[1.1.1]pentane-1,3-diyl, bicyclo[2.2.2]octane-1,4-diyl, spiro[3.3]heptane-2,6-diyl, tetrahydropyran-2,5-diyl or 1,3-dioxane-2,5-diyl,
• Z1 and Z2 each, independently of one another,
• denote —CF20—, —OCF2—, —CH2O—, —OCH2—, —CO—O—, —O—CO—, —C2H4—, —C2F4—, —CF2CH2—, —CH2CF2—, —CFHCFH—, —CFHCH2—, —CH2CFH—, —CF2CFH—, —CFHCF2—, —CH═CH—, —CF═CH—, —CH═CF—, —CF═CF—, —C≡C— or a single bond,
• t is 0 or 1,
• and
• c) one or more compounds of formula S1
• in which
• RS1 and RS2, on each occurrence, identically or differently, denote H or straight-chain alkyl having from 1 to 25 carbon atoms or branched alkyl having from 3 to 25 carbon atoms, which are unsubstituted or monosubstituted by CN or CF3 or at least monosubstituted by halogen and in which one or more CH2 groups may each, independently of one another, be replaced by
• —O—, —S—, —CO—, —CO—O—, —O—CO—, —O—CO—O—, —CH═CH— or —C≡C— in such a way that O and/or S atoms are not linked directly to one another, or halogen, aryl, heteroaryl, alkylaryl or arylalkyl having from 6, 5, 7, or 7 to 25 carbon atoms, respectively, each of which is unsubstituted or monosubstituted or polysubstituted by alkyl having from 1 to 6 C atoms or by halogen,
• S is 0, 1 or 2, and
• t is 0, 1, 2 or 3, and
• d) 2% to 15% by weight in total of one or more compounds of formula II-1a and one or more components of formula II-1g
• and 1% to 10% by weight of one or more compounds of formula II-3d
• in which
• R2 denotes a straight-chain or branched alkyl or alkoxy radical that is unsubstituted or halogenated and has 1 to 15 C atoms, where one or more CH2 groups in these radicals may each be replaced, independently of one another, by
• —C≡C—, —CF2O—, —CH═CH—, —O—, —CO—O— or —O—CO— in such a way that O atoms are not linked directly to one another,
• L21, L22, L23, and L24 identically or differently, denote H or F,
• X2 denotes halogen, halogenated alkyl or alkoxy with 1 to 3 C-atoms or halogenated alkenyl or alkenyloxy with 2 or 3 C-atoms, and
• wherein the medium has a birefringence of 0.180 to 0.400.