摘要:
The present invention relates to an electronic device, in particular an organic electroluminescent device, which comprises metal complexes containing azaborole ligands. The invention also relates to the metal complexes themselves, to the use thereof in an organic electronic device, and to a process for the preparation thereof. Finally, the invention is directed to the ligands and to the use of the ligands for the preparation of the metal complexes according to the invention.
摘要:
The present invention describes carbazole derivatives formula (1), where the following applies to the symbols used: Y is on each occurrence, identically or differently, CR or N; X is selected from C(R1)2, O, S, PR1, P(═O)R1 or BR1; characterised in that at least one group R is present which stands, identically or differently on each occurrence, for a group of the following formula (2), and/or in that at least one group R1 is present which stands for a group of the following formula (3) or (4), in particular for use as triplet matrix materials in organic electroluminescent devices. The invention furthermore relates to a process for the preparation of the compounds according to the invention and to electronic devices comprising same.
摘要:
The present invention relates to a formulation comprising at least one solvent and at least two functional compounds of the general formula (I) where A is a functional structural element, B is a solubility-promoting structural element and k is an integer in the range from 1 to 20, the molecular weight of the functional compound is at least 550 g/mol and the solubility-promoting structural element B conforms to the general formula (L-I) where Ar1, Ar2 is each, independently of one another, an aryl or heteroaryl group, which may be substituted by one or more radicals R of any desired type, X is in each case, independently of one another, N or CR2, preferably CH, R1, R2 is each, independently of one another, hydrogen, 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 or is a silyl group or a substituted keto group having 1 to 40 C atoms, an alkoxycarbonyl group having 2 to 40 C atoms, an aryloxycarbonyl group having 7 to 40 C atoms, a cyano group (CN), a carbamoyl group (C(═O)NH2), a haloformyl group (C(═O)—X, in which X represents a halogen atom), a formyl group (C(═O)—H), an isocyano group, an isocyanate group, a thiocyanate group or a thio-isocyanate group, a hydroxyl group, a nitro group, a CF3 group, Cl, Br, F, a crosslinkable group or a substituted or unsubstituted aromatic or heteroaromatic ring system having 5 to 60 ring atoms, or an aryloxy or heteroaryloxy group having 5 to 60 ring atoms, or a combination of these systems, where one or more of the groups R1 and/or R2 may form a mono- or polycyclic, aliphatic or aromatic ring system with one another and/or with the ring to which the group R1 is bonded; and l is 0, 1, 2, 3 or 4; where the dashed bond indicates the bond to the functional structural element A. The present invention furthermore relates to electronic devices which comprise mixtures of these compounds.
摘要:
The present invention relates to fluorine derivatives and organic electronic devices in which said compounds are used as a matrix material in the emitting layer and/or as a hole transport material, and/or as an electron blocking or exciton blocking material, and/or as an electron transport material.
摘要:
The present invention relates to the improvement of organic electroluminescent devices, in particular blue-emitting devices, by using compounds of the formula (1) as dopants in the emitting layer.
摘要:
The present invention relates to formula, comprising at least one solvent, and at least one functional composition of the general formula (I), wherein A is a functional structural element, B is a solvent-providing structural element, and k is an integer in the range of 1 to 20. The molecular weight of the functional composition is at least 550 g/mol, and the solvent-providing structural element B corresponds to the general formula ((L-I). Ar1, Ar2 JeWeUs, independently of each other, signify an aryl or heteroaryl group, which can be substituted with one or several discretionary residues R. Each X is, independently of one another, N or CR2, preferably CH. R1, R2, independently of one another, is hydrogen, a linear alkyl, alkoxy, or thioalkoxy group with 1 to 40 C atoms, or a branched or cyclic alkyl, alkoxy, or thioalkoxy group with 3 to 40 C atoms, or a silyl group, or a substituted keto group with 1 to 40 C atoms, an alkoxycarbonyl group with 2 to 40 C atoms, an aryloxycarbonyl group with 7 to 40 C atoms, a cyano group (—CN), a carbamoyl group (—C(═O)NH2), a haloformyl group (—C(═O)—X, wherein X signifies a halogen atom), a formyl group (—C(═O)—H), an isocyano group, an isocyanate group, a thiocyanate group or a thioisocyanate group, a hydroxy group, a nitro group, a CF3 group, C1, Br, F, a cross-linkable group, or a substituted or non-substituted aromatic or heteroaromatic ring system with 5 to 60 ring atoms, or an aryloxy or heteroaryloxy group with 5 to 60 ring atoms, or a combination of these systems, wherein one or several of groups R1 and/or R2 can form a monocyclic or polycyclic, aliphatic or aromatic ring system with one another and/or with the ring to which group R1 is bound, and I is 0, 1, 2, 3 or 4, wherein the dashed linkage indicates the linkage to the functional structure element A. The present invention further relates to preferred compositions of the formula (I) and electronic devices containing said compositions.
摘要:
The present invention relates to electronic devices, in particular organic electroluminescent devices, which comprise compounds of the formula (1), and to the corresponding compounds and to the use thereof in organic electroluminescent devices.
摘要:
The present invention relates to compounds containing a moiety of the formula (1) and to the use thereof in organic electroluminescent devices and to organic electroluminescent devices which comprise compounds of this type.
摘要:
The present invention relates to electronic devices, in particular organic electroluminescent devices, comprising metal complexes which contain isonitrile ligands.
摘要:
The present invention relates to metal complexes of the formula (1) and to the use thereof in organic electroluminescent devices, and to organic electroluminescent devices which comprise these metal complexes.