Abstract: The present invention relates to organic light-emitting devices comprising (a) an anode, (i) a cathode, and (e) an emitting layer between the anode and cathode, comprising 2 to 40% by weight of a luminescent organometallic complex X having a difference of the singlet energy (ES1(X)) and the triplet energy (ET1(X)) of smaller than 0.2 eV [?(ES1(X))?(ET1(X))<0.2 eV], 0.05 to 5.0% by weight of a fluorescent emitter Y and 55 to 97.95% by weight of a host compound(s), wherein the amount of the organometallic complex X, the fluorescent emitter Y and the host compound(s) adds up to a total of 100% by weight and the singlet energy of the luminescent organometallic complex X (ES1(X)) is greater than the singlet energy of the fluorescent emitter Y (ES1(Y)) [(ES1(X))>ES1(Y)].

Abstract: Iridium organometallic complexes containing a substituted dibenzo[f,h]quinoxaline of formula (I) are provided. These compounds are useful as orange or red emitting components of a light emitting layer in an electronic device.

Abstract: An organic electronic device comprising at least one hole-transport material and/or at least one electron/exciton blocker material, wherein said at least one hole-transport material and/or said at least one electron/exciton blocker material is an Ir metal-carbene complex comprising one, two or three specific bidentate azabenzimidazole ligands; a hole transport layer or an electron/exciton blocking layer, comprising at least one Ir metal-carbene complex, comprising one, two or three specific bidentate azabenzimidazole ligands; an apparatus selected from the group consisting of stationary visual display units, mobile visual display units, illumination units, units in items of clothing, units in furniture and units in wallpaper, comprising the organic electronic device of the present invention or the hole transport layer or the electron/exciton blocking layer of the present invention; and the use of an Ir metal-carbene complex comprising one, two or three specific bidentate azabenzimidazole ligands according to

Abstract: The present invention relates to silyl- and heteroatom-substituted compounds selected from carbazoles, dibenzofurans, dibenzothiophenes and disilylbenzophospholes of the formula (I) or (I*), to the use of the compounds of the formula (I) or (I*) in organic electronics applications, preferably in organic light-emitting diodes, to an organic light-emitting diode comprising at least one compound of the formula (I) or (I*), to a light-emitting layer comprising at least one compound of the formula (I) or (I*), to a blocking layer for holes/excitons comprising at least one compound of the formula (I) or (I*), and to an apparatus selected from the group consisting of stationary visual display units, mobile visual display units, illumination units, keyboards, items of clothing, furniture and wallpaper, comprising at least one inventive organic light-emitting diode.

Abstract: The present invention relates to compounds of formula a process for their production and their use in electronic devices, especially electroluminescent devices. When used as host material for phasphorescent emitters in electroluminescent devices, the compounds of formula I may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.

Abstract: The present invention relates to metal-carbene complexes of the general formula (I), where variable M is Ir or Pt and that are characterized by variable R being a group of formula (a). The complexes are used in organic electronic devices, especially OLEDs (Organic Light-Emitting Diodes), illuminating elements, stationary visual display units and in material layers as emitter, charge transport material and/or charge or exiton blocker.

Abstract: A cyclometallated Ir complex comprising one, two or three ligands of formula (I) or (I?) substituted at the R5 and R7 position; an organic electronic device comprising at least one inventive cyclometallated Ir complex; a light-emitting layer comprising at least one inventive cy-clometallated Ir complex; the use of the inventive cyclometallated Ir complex in an OLED; an apparatus selected from the group consisting of stationary visual display units, mobile visual display units, illumination units, units in items of clothing, units in handbags, units in accessories, units in furniture and units in wallpaper, comprising the organic electronic device; and a process for preparing a the inventive cyclometallated Ir complex.

Abstract: The present invention relates to white organic light-emitting devices having separate stacked blue/green phosphorescent and red phosphorescent layers. The white organic light-emitting devices emit the desired natural white color and show a reduced power consumption, superior current efficiency, efficacy, external quantum efficiency (EQE) and/or lifetime. In particular, the efficiency of the white organic light emitting device is improved and at the same time the lifetime of the white organic light emitting device is increased.

Abstract: The present invention relates to metal-carbene complexes comprising a central atom selected from iridium and platinum, and specific azabenzimidazolocarbene ligands, to OLEDs (Organic Light Emitting Diode, OLED) which comprise such complexes, to a device selected from the group consisting of illuminating elements, stationary visual display units and mobile visual display units comprising such an OLED, to the use of such a metal-carbene complex in OLEDs, for example as emitter, matrix material, charge transport material and/or charge or exciton blocker.

Abstract: The present invention relates to iridium and platinum carbene complexes of the general formula (I), to OLEDs (Organic Light-Emitting Diodes) which comprise such complexes, to a device selected from the group consisting of illuminating elements, stationary visual display units and mobile visual display units comprising such an OLED, to the use of such a metal-carbene complex in OLEDs, for example as emitter, matrix material, charge transport material and/or charge or exciton blocker.

Abstract: The present invention provides an organic electronic device including a first electrode, a second electrode, and an organic layer interposed between the first electrode and the second electrode, wherein the organic layer comprises an organic metal complex of formula and a compound of formula The organic electronic device, especially an organic light emitting device can show superior life time, power efficiency, quantum efficiency and/or a low operating voltage.

Abstract: Organic electronics applications, especially an organic light-emitting diode (OLED), an organic solar cell (organic photovoltaics) or a switching element such as an organic transistor, for example an organic FET (Field Effect Transistor) and an organic TFT (Thin Film Transistor), comprising at least one substituted phenoxasiline derivative, a organic semiconductor layer, a host material, electron/hole/exciton blocking material or electron/hole injection material comprising at least one substituted phenoxasiline derivative, the use of a substituted phenoxasiline derivative in organic electronics applications, an organic light-emitting diode, wherein at least one substituted phenoxasiline derivative is present in the electron/hole/exciton blocking layer, the electron/hole injection layer and/or the light-emitting layer, a light-emitting layer, an electron/hole/exciton blocking layer and an electron/hole injection layer comprising at least one substituted phenoxasiline derivative and a device selected from the g

Abstract: The present invention relates to an organic electronic device including a first electrode, a second electrode and a first organic layer interposed between the first electrode and the second electrode, wherein the first organic layer comprises at least one metal organic compound and at least one metal oxide. The present invention further relates to an apparatus comprising the organic electronic device according to the present invention.

Abstract: The present invention relates to compounds of formula (I), which are characterized in that they substituted by benzimidazo[1,2-a]benzimidazo-5-yl and/or benzimidazo[1,2-a]benzimidazo-2,5-ylene groups and in that at least one of the substituents B1, B2, B3, B4, B5, B6, B7 and B8 represents N; a process for their production and their use in electronic devices, especially electroluminescent devices. When used as host material for phosphorescent emitters in electroluminescent devices, the compounds of formula I may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.

Abstract: The present invention relates to dinuclear Pt-carbene complexes comprising carbene ligands and pyrazole bridges, to a process for preparing the dinuclear Pt-carbene complexes by contacting suitable Pt compounds with the corresponding ligands or ligand precursors and/or pyrazole or corresponding pyrazole derivatives, to organic electronic components comprising at least one such dinuclear Pt-carbene complex, to an OLED comprising at least one such dinuclear Pt-carbene complex, to a light-emitting layer comprising at least one such dinuclear Pt-carbene complex, to an OLED comprising such a light-emitting layer, to a device selected from the group consisting of stationary visual display units, mobile visual display units and illumination means, comprising such an OLED, and to the use of an inventive dinuclear Pt-carbene complex in OLEDs.

Abstract: A compound of the general formula a process for the production of the compound and its use in electronic devices, especially electroluminescent devices. Improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices are provided when the compound of formula I is used as host material for phosphorescent emitters in electroluminescent devices.

Abstract: The present invention relates to an electronic device, especially an electroluminescent devices, comprising a compound of the formula especially as host for phosphorescent compounds. The hosts may function with phosphorescent materials to provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.

Abstract: The present invention relates to the use of dibenzofurans and dibenzothiophenes which have at least one nitrogen-bonded five-membered heterocyclic ring as a substituent as host, blocker and/or charge transport material in organic electronics. The present invention further relates to dibenzofurans and dibenzothiophenes which comprise at least one nitrogen-bonded five-membered heterocyclic ring and at least one carbazolyl radical as substituents, to a process for preparation thereof, and to the use of these compounds in organic electronics.

Abstract: The present invention relates to electroluminescent devices, comprising a compound of the formula (I) as a component of the transporting/injecting and/or electron blocking layer. The compounds of formula (I) may function alone, or in combination with dopants to provide improved efficiency, driving voltage and/or lifetime of electroluminescent devices.

Abstract: 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 ? 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 t