Organic electroluminescent device comprising anode, cathode and at least one organic layer which is capable of the emission of light, characterised in that the organic layer comprises at least one compound of the formula, where the following applies to the symbols and indices used: R is, identically or differently on each occurrence, F, OCF 3, Si(R 2) 3, B(OR 2) 2 or a straight-chain, branched or cyclic alkyl, alkoxy or thioalkoxy group having 4 to 10 C atoms, which may be substituted by one or more radicals R 1, where one or more non-adjacent CH 2 groups may be replaced by -R 2 C=CR 2 -, -C≡C-, Si(R 2) 2, Ge(R 2) 2, Sn(R 2) 2, C=O, C=S, C=Se, C=NR 2, -O-, -S-, -N(R 2)- or -CONR 2 - and where one or more H atoms may be replaced by F, Cl, Br, I, CN or NO 2; if R stands for an alkyl, alkoxy or thioalkoxy group, R may also have two bonds to the phenyl group and thus build up a cyclic, condensed ring system; R 1 is, identically or differently on each occurrence, F, Cl, Br, I, CN, Si(R 2) 3, B(OR 2) 2, a straight-chain alkyl, alkoxy or thioalkoxy group having 1 to 40 C atoms or a branched or cyclic alkyl, alkoxy or thioalkoxy group having 3 to 40 C atoms, each of which may be substituted by one or more radicals R 2, where one or more non-adjacent CH 2 groups may be replaced by -R 2 C=CR 2 -, -C≡C-, Si(R 2) 2, Ge(R 2) 2, Sn(R 2) 2, C=O, C=S, C=Se, C=NR 2, -O-, -S-, -N(R 2)- or -CONR 2 - and where one or more H atoms may be replaced by F, Cl, Br, I, CN or NO 2, or an aromatic or heteroaromatic ring system having 5 to 30 aromatic ring atoms, which may be substituted by one or more radicals R 2, or an aryloxy or heteroaryloxy group having 5 to 24 aromatic ring atoms, which may be substituted by one or more radicals R 2, or a combination of two, three, four or five of these systems; two or more substituents R 1 here may also form a mono- or polycyclic, aliphatic or aromatic ring system with one another; R 2 is on each occurrence, identically or differently, H or a hydrocarbon radical having 1 to 20 C atoms, which may be aliphatic, aromatic or a combination of aliphatic and aromatic and in which, in addition, individual H atoms may be replaced by fluorine; two or more radicals R 2 here may also form a mono- or polycyclic, aliphatic or aromatic ring system with one another; n is, identically or differently on each occurrence, 0, 1, 2, 3 or 4; p is, identically or differently on each occurrence, 0 or 1. R is, identically or differently on each occurrence, F, OCF 3, Si(R 2) 3, B(OR 2) 2 or a straight-chain, branched or cyclic alkyl, alkoxy or thioalkoxy group having 4 to 10 C atoms, which may be substituted by one or more radicals R 1, where one or more non-adjacent CH 2 groups may be replaced by -R 2 C=CR 2 -, -C≡C-, Si(R 2) 2, Ge(R 2) 2, Sn(R 2) 2, C=O, C=S, C=Se, C=NR 2, -O-, -S-, -N(R 2)- or -CONR 2 - and where one or more H atoms may be replaced by F, Cl, Br, I, CN or NO 2; if R stands for an alkyl, alkoxy or thioalkoxy group, R may also have two bonds to the phenyl group and thus build up a cyclic, condensed ring system; R 1 is, identically or differently on each occurrence, F, Cl, Br, I, CN, Si(R 2) 3, B(OR 2) 2, a straight-chain alkyl, alkoxy or thioalkoxy group having 1 to 40 C atoms or a branched or cyclic alkyl, alkoxy or thioalkoxy group having 3 to 40 C atoms, each of which may be substituted by one or more radicals R 2, where one or more non-adjacent CH 2 groups may be replaced by -R 2 C=CR 2 -, -C≡C-, Si(R 2) 2, Ge(R 2) 2, Sn(R 2) 2, C=O, C=S, C=Se, C=NR 2, -O-, -S-, -N(R 2)- or -CONR 2 - and where one or more H atoms may be replaced by F, Cl, Br, I, CN or NO 2, or an aromatic or heteroaromatic ring system having 5 to 30 aromatic ring atoms, which may be substituted by one or more radicals R 2, or an aryloxy or heteroaryloxy group having 5 to 24 aromatic ring atoms, which may be substituted by one or more radicals R 2, or a combination of two, three, four or five of these systems; two or more substituents R 1 here may also form a mono- or polycyclic, aliphatic or aromatic ring system with one another; R 2 is on each occurrence, identically or differently, H or a hydrocarbon radical having 1 to 20 C atoms, which may be aliphatic, aromatic or a combination of aliphatic and aromatic and in which, in addition, individual H atoms may be replaced by fluorine; two or more radicals R 2 here may also form a mono- or polycyclic, aliphatic or aromatic ring system with one another; n is, identically or differently on each occurrence, 0, 1, 2, 3 or 4; p is, identically or differently on each occurrence, 0 or 1.