Abstract:
The present invention relates to heteroleptic complexes comprising a phenylimidazole or phenyltriazole unit bonded via a carbene bond to a central metal atom, and phenylimidazole ligands attached via a nitrogen-metal bond to the central atom, to OLEDs which comprise such heteroleptic complexes, to light-emitting layers comprising at least one such heteroleptic complex, 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 heteroleptic complex in OLEDs, for example as emitter, matrix material, charge transport material and/or charge blocker.
Abstract:
The present invention relates to heteroleptic complexes comprising a phenylimidazole or phenyltriazole unit bonded via a carbene bond to a central metal atom, and phenylimidazole ligands attached via a nitrogen-metal bond to the central atom, to OLEDs which comprise such heteroleptic complexes, to light-emitting layers comprising at least one such heteroleptic complex, 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 heteroleptic complex in OLEDs, for example as emitter, matrix material, charge transport material and/or charge blocker.
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 compounds of formula (I), a process for their production and their use in electronic devices, especially electroluminescent devices. When used as electron transport and/or 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 compounds of formula (I), a process for their production and their use in electronic devices, especially electroluminescent devices. When used as electron transport and/or 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:
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 group consisting of stationary visual display units, mobile visual display units; illumination units; keyboards; garments; furniture and wallpaper comprising at least one organic light-emitting diode, at least one light-emitting layer, at least one electron/hole/exciton blocking layer and/or at least one electron/hole injection layer according to the present invention.
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.