Liquid-crystalline medium, characterised in that it comprises one or more compounds, in a total concentration of 65% or more, selected from the group of the compounds of the formulae IA, IB, IC, ID and II in which R 1A, R 1B, R 1C and R 2 in each case, independently of one another, denote H, an alkyl or alkenyl radical having up to 15 C atoms which is unsubstituted, monosubstituted by CN or CF 3 or at least monosubstituted by halogen, where, in addition, one or more CH 2 groups in these radicals may be replaced by -C≡C-, -O-, -S-, -CF 2 O-, -OCF 2 -, -OC-O- or -O-CO- in such a way that O atoms are not linked directly to one another, R 1 and R 1' in each case, independently of one another, denote H or alkyl having 1 to 4 C atoms, A 2 denotes a) 1,4-cyclohexylene or 1,4-cyclohexenylene, in which one or two non-adjacent CH 2 groups may be replaced by -O- or -S-, b) 1,4-phenylene, in which one or two CH groups may be replaced by N and in which one or more H atoms may be replaced by F or Cl, L 1 to L 12 in each case, independently of one another, denote F, CF 3, CHF 2 or Cl, Z 1, Z 1' and Z 2 in each case, independently of one another, denote 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-, -C≡C-, -CH=CHCH 2 O-, a denotes 0 or 1, p denotes 0, 1 or 2, q denotes 0 or 1, v denotes an integer from 1 to 7, t denotes an integer from 1 to 7, and denotes a single bond or -O-, where the medium additionally comprises one or more compounds of the formula IV-1 in which R 41 and R 42 in each case, independently of one another, denote straight-chain alkyl or alkenyl having 1 to 7 C atoms, alternatively R 42 also denotes alkoxy having 1 to 7 C atoms, in a total concentration of 5% or less, and one or more compounds of the formulae in which R 51 and R 52 in each case, independently of one another, denote straight-chain alkyl or alkenyl having up to 7 C atoms, R 52 alternatively denotes alkoxy having 1 to 7 C atoms, in a total concentration in the range from 8% to 25%, and furthermore characterised in that the clearing point of the medium is 120°C or more. R 1A, R 1B, R 1C and R 2 in each case, independently of one another, denote H, an alkyl or alkenyl radical having up to 15 C atoms which is unsubstituted, monosubstituted by CN or CF 3 or at least monosubstituted by halogen, where, in addition, one or more CH 2 groups in these radicals may be replaced by -C≡C-, -O-, -S-, -CF 2 O-, -OCF 2 -, -OC-O- or -O-CO- in such a way that O atoms are not linked directly to one another, R 1 and R 1' in each case, independently of one another, denote H or alkyl having 1 to 4 C atoms, A 2 denotes a) 1,4-cyclohexylene or 1,4-cyclohexenylene, in which one or two non-adjacent CH 2 groups may be replaced by -O- or -S-, b) 1,4-phenylene, in which one or two CH groups may be replaced by N and in which one or more H atoms may be replaced by F or Cl, a) 1,4-cyclohexylene or 1,4-cyclohexenylene, in which one or two non-adjacent CH 2 groups may be replaced by -O- or -S-, b) 1,4-phenylene, in which one or two CH groups may be replaced by N and in which one or more H atoms may be replaced by F or Cl, L 1 to L 12 in each case, independently of one another, denote F, CF 3, CHF 2 or Cl, Z 1, Z 1' and Z 2 in each case, independently of one another, denote 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-, -C≡C-, -CH=CHCH 2 O-, a denotes 0 or 1, p denotes 0, 1 or 2, q denotes 0 or 1, v denotes an integer from 1 to 7, t denotes an integer from 1 to 7, and denotes a single bond or -O-, R 41 and R 42 in each case, independently of one another, denote straight-chain alkyl or alkenyl having 1 to 7 C atoms, alternatively R 42 also denotes alkoxy having 1 to 7 C atoms, in a total concentration of 5% or less, and one or more compounds of the formulae in which R 51 and R 52 in each case, independently of one another, denote straight-chain alkyl or alkenyl having up to 7 C atoms, R 52 alternatively denotes alkoxy having 1 to 7 C atoms, R 51 and R 52 in each case, independently of one another, denote straight-chain alkyl or alkenyl having up to 7 C atoms, R 52 alternatively denotes alkoxy having 1 to 7 C atoms, in a total concentration in the range from 8% to 25%, and furthermore characterised in that the clearing point of the medium is 120°C or more.