摘要:
Use of transition metal complexes of the formula (I) in organic light-emitting diodes where: M1 is a metal atom; carbene is a carbene ligand; L is a monoanionic or dianionic ligand; K is an uncharged monodentate or bidentate ligand selected from the group consisting of phosphines; CO; pyridines; nitriles and conjugated dienes which form a π complex with M1; n is the number of carbene ligands and is at least 1; m is the number of ligands L, where m can be 0 or ≧1; o is the number of ligands K, where o can be 0 or ≧1; where the sum n+m+o is dependent on the oxidation state and coordination number of the metal atom and on the denticity of the ligands carbene, L and K and also on the charge on the ligands carbene and L, with the proviso that n is at least 1, and also an OLED comprising these transition metal complexes, a light-emitting layer comprising these transition metal complexes, OLEDs comprising this light-emitting layer, devices comprising an OLED according to the present invention, and specific transition metal complexes comprising at least two carbene ligands.
摘要:
The present invention relates to the use of triazole derivatives selected from the group consisting of triazolopyrimidine derivatives and triazolouracil derivatives in organic light-emitting diodes (OLEDs), an OLED comprising at least one of the organic triazole derivatives mentioned, a light-emitting layer comprising at least one of the triazole derivatives mentioned, an OLED comprising the light-emitting layer of the invention, a device comprising an OLED according to the invention and also specific novel triazole derivatives.
摘要:
The present invention relates to the use of triazole derivatives selected from the group consisting of triazolopyrimidine derivatives and triazolouracil derivatives in organic light-emitting diodes (OLEDs), an OLED comprising at least one of the organic triazole derivatives mentioned, a light-emitting layer comprising at least one of the triazole derivatives mentioned, an OLED comprising the light-emitting layer of the invention, a device comprising an OLED according to the invention and also specific novel triazole derivatives.
摘要:
Compounds of the general formula I (variables defined herein) and processes for making compounds including 2,6 -naphthyl radicals are provided. Polymerizable or nonpolymerizable liquid-crystalline compositions including one or more compounds including 2,6 -naphthyl radicals, and products and processes employing such compositions, are also provided.
摘要:
The present invention relates to the use of platinum(II) complexes of the formulae I, II and III as emitter molecules in organic light-emitting diodes (OLEDs), where the radicals are defined in the claims and in the description. Furthermore, the present invention relates to the use of the platinum(II) complexes as light-emitting layer in OLEDs, a light-emitting layer comprising at least one platinum(II) complex, an OLED comprising this light-emitting layer and devices comprising an OLED according to the invention.
摘要:
The use of cyclic compounds of the formula (I) where n is a number in the range from 1 to 7, X-Y-Z, in each case independently of one another, is O—C═N, N═C—O, NR5—C═N, N═C—NR5, N+R52—C═N, N═C—N+R52, O—C═N+R5, N+R5═C—O, S—C═N+R5, N+R5═C—S, S—C═N, N═C—S, R1, R2 and R3 each independently are, for example, H or a substituent or corresponding heterocyclic compounds in which at least one group —CR1═, —CR2═, CR3═ is replaced by —N, R5 in each case independently are, for example, H or a substituent R7, in each case independently of one another, are H, C1-12-alkyl or C6-12-aryl, or metal complexes of the cyclic compounds or complexes of the cyclic compounds with mineral acids, chloride, sulfate, bisulfate, phosphate, hydrogen phosphate, nitrate, BF4− or methanesulfonate being present as opposite ions X− in the case of cationic cyclic structures, as light absorbers, materials for hole injection layers in OLEDs, light-emitting compounds in OLED, phase-transfer catalysts or synergistic agents for the dispersing of pigments or for optical data storage, is described.
摘要:
The present invention relates to compounds of the general formula I in which the variables are each defined as follows: Z1, Z2 are each independently hydrogen, optionally substituted C1-C20-alkyl in which the carbon chain may be interrupted by oxygen atoms in ether function, sulfur atoms in thioether function or by nonadjacent imino or C1-C4-alkylimino groups, or reactive radicals by means of which polymerization can be brought about, A1, A2 are each independently spacers having from 1 to 30 carbon atoms, in which the carbon chain may be interrupted by oxygen atoms in ether function, sulfur atoms in thioether function or by nonadjacent imino or C1-C4-alkylimino groups, Y1, Y2 are each independently a chemical single bond, oxygen, sulfur, —CO—, —O—CO—, —CO—O—, —S—CO—, —CO—S—, —NR—CO— or —CO—NR—, Y3, Y4 are each independently a chemical single bond, oxygen, sulfur, —CR═CR—, —C≡C—, —CR═CR—CO—O—, —O—CO—CR═CR—, —C≡C—O—, —O—C≡C—, —CH2—CH2—, —CH2—O—, —O—CH2—, —CH2—S—, —S—CH2—, —CO—, —O—CO—, —CO—O—, —S—CO—, —CO—S—, —NR—CO—, —CO—NR—, —O—CO—O—, —O—CO—NR— or —NR—CO—O—, R is hydrogen or C1-C4-alkyl, Y5 independently of Y1 and Y2, is as defined therefor above or is —O—COO—, T1, T2 are divalent saturated or unsaturated, optionally substituted iso- or heterocyclic radicals, r, t are each independently 0 or 1 and s is 0, 1, 2 or 3, where the particular variables T2 and Y3, in the case that s>1, may be the same as one another or different from one another and both the hydrogen atoms in the 2,6-naphthyl radical and the hydrogen atoms bonded to carbon atoms in the variables Z1, Z2, A1, A2, Y3, Y4, R, T1 and T2 may be substituted partly or fully by halogen atoms. The invention further relates to a polymerizable or nonpolymerizable liquid-crystalline composition comprising one or more of the inventive compounds, to an oligomer or polymer obtainable by oligomerization or polymerization of a polymerizable inventive liquid-crystalline composition, to a process for printing or coating a substrate by applying a polymerizable inventive liquid-crystalline composition to the substrate and subsequent polymerization, to the use of the inventive liquid-crystalline composition or of the inventive oligomer or polymer for producing optical or electrooptical components, to a process for preparing selected inventive compounds, and to intermediates which are particularly suitable for preparing the selected inventive compounds.
摘要:
The use of cyclic compounds of the formula (I) where n is a number in the range from 1 to 7, X—Y—Z, in each case independently of one another, is O—C═N, N═C—O, NR5—C═N, N═C—NR5, N+R52—C═N, N═C—N+R52, O—C═N+R5, N+R5═C—O, S—C═N+R5, N+R5═C—S, S—C═N, N═C—S, R1, R2 and R3 each independently are, for example, H or a substituent or corresponding heterocyclic compounds in which at least one group —CR1═, —CR2═, CR3═ is replaced by —N, R5 in each case independently are, for example, H or a substituent R7 in each case independently of one another, are H, C1-12-alkyl or C6-12-aryl, or metal complexes of the cyclic compounds or complexes of the cyclic compounds with mineral acids, chloride, sulfate, bisulfate, phosphate, hydrogen phosphate, nitrate, BF4− or methanesulfonate being present as opposite ions X− in the case of cationic cyclic structures, as light absorbers, materials for hole injection layers in OLEDs, light-emitting compounds in OLED, phase-transfer catalysts or synergistic agents for the dispersing of pigments or for optical data storage, is described.