Aminodibenzofluorene derivative and organic electroluminescence device using the same
申请人:Idemitsu Kosan Co., Ltd.
公开号:US07838130B2
公开(公告)日:2010-11-23
A novel compound which is useful as a constitutional component for an organic EL device is provided by an aminodibenzofluorene derivative comprising (A) at least one dibenzofluorene structure and (B) at least one amino group in a molecule, a material for an organic electroluminescence (EL) device comprising the same, a light emitting material for an organic EL device, a light emitting organic solution, an organic EL device in which an organic compound layer comprising a single layer or plural layers including at least a light emitting layer is interposed between a pair of electrodes, wherein at leas one layer in the organic compound layer described above contains at least one kind of the aminodibenzofluorene derivative described above and an equipment comprising the same. A practical organic EL device which has a low operating voltage, a long lifetime and a high current efficiency and which provides blue light emission having an excellent color purity is materialized by using the above compound.
本发明提供了一种新型化合物,其作为有机EL器件的组成部分非常有用,该化合物是由氨基二苯并芴衍生物组成,包括(A)至少一个二苯并芴结构和(B)至少一个氨基团在一个分子中。还提供了一种用于有机电致发光(EL)器件的材料,一种用于有机EL器件的发光材料,一种发光有机溶液,一种有机化合物层中包括至少一个发光层的单层或多层,该有机化合物层被夹在一对电极之间的有机EL器件,其中上述有机化合物层中的至少一层包含上述氨基二苯并芴衍生物的至少一种,并提供了一种包括该化合物的设备。通过使用上述化合物,实现了一种实用的有机EL器件,该器件具有低操作电压、长寿命和高电流效率,并提供具有优异色纯度的蓝光发射。