摘要:
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 B 1 , B 2 , B 3 , B 4 , B 5 , B 6 , B 7 and B 8 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.
摘要:
The present invention relates to compounds of formula II, a process for their production and their use in electronic devices, especially electroluminescent devices. When used as hole transport material in electroluminescent devices, the compounds of formula II may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.
摘要:
The present invention relates to cyanated naphthalenebenzimidazole compounds of the formula (I) and mixtures thereof, in which R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 are each independently hydrogen, cyano or aryl which is unsubstituted or has one or more identical or different substituents R Ar , where R Ar is as defined in the claims and in the description, with the proviso that the compounds of the formula I comprise at least one cyano group. The invention further relates to color converters comprising at least one polymer as a matrix material and at least one cyanated naphthalenebenzimidazole compound or mixtures thereof as a fluorescent dye, to the use of the color converters and to lighting devices comprising at least one LED and at least one color converter.
摘要:
An organic electronic device, preferably an organic light-emitting diode (OLED), comprising at least one metal-carbene complex comprising one, two or three specific bidentate diazabenzimidazole carbene ligands;a light-emitting layer comprising said metal-carbene complex as emitter material, preferably in combination with at least one host material;the use of said metal-carbene 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 accessoires, units in furniture and units in wallpaper comprising said organic electronic device, preferably said OLED, or said light-emitting layer;the metal-carbene complex comprising one, two or three specific bidentate diazabenzimidazole carbene ligands mentioned above and a process for the preparation of said metal-carbene complex.
摘要:
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.
摘要:
The invention relates to silyl and heteroatom substituted compounds, selected from carbazoles, dibenzofurans, dibenzothiophenes and disilylbenzophospholes of the formulae (I) or (I*), to the application of compounds of said formulae (I) or (I*) in organic-electronic applications, preferably in organic light diodes, to an organic light diode comprising at least one compound of formula (I) or (I*), a light-emitting layer comprising at least one compound of formula (I) or (I*), to a blocking layer for holes/excitons comprising at least one compound of formula (I) or (I*) and to a device selected from the group comprising stationary monitor screens, mobile monitor screens, lighting units, keyboards, pieces of clothing, furniture and carpets, comprising at least one organic light diode according to the invention.
摘要:
The invention relates to silanes containing phenothiazine-S-oxide or phenothiazine-S,S-dioxide groups, organic light-emitting diodes containing said silanes, a light-emitting layer containing at least one of said silanes and at least one triplet emitter. The invention also relates to a method for producing the silanes according to the invention, and to the use of said silanes in organic light-emitting diodes, preferably as matrix materials and/or blocker materials for triplet emitters.