申请人:Idemitsu Kosan Co., Ltd.
公开号:EP2224510A1
公开(公告)日:2010-09-01
An organic electroluminescence device including: an anode (10), a cathode (70), an emitting layer (40) including an organic compound, which is between the anode (10) and the cathode (70), two or more layers arranged in a hole injection and transport region which is between the anode (10) and the emitting layer (40), and one or more layers arranged in an electron injection and transport region which is between the emitting layer (40) and the cathode (70), wherein a layer in the hole injection and transport region, which is in contact with the emitting layer (40), includes an aromatic amine derivative having a carbazole skeleton, one of the layers other than the layer in contact with the emitting layer (40) in the hole injection and transport region includes one or more materials selected from the group consisting of thiophene derivatives, tricyclic or more cyclic fused aromatic derivatives, amine derivatives excluding the compound represented by the following formula (A), conductive polymers, CFx, CuPc, transition metal oxides, fullerenes and acceptor materials, and a layer in the electron injection and transport region includes a benzimidazole derivative.
一种有机电致发光装置,包括阳极(10)、阴极(70)、位于阳极(10)和阴极(70)之间的包括有机化合物的发射层(40)、位于阳极(10)和发射层(40)之间的空穴注入和传输区域中的两个或多个层、在发射层(40)和阴极(70)之间的电子注入和传输区域中布置的一层或多层,其中在空穴注入和传输区域中与发射层(40)接触的一层包括具有咔唑骨架的芳香胺衍生物、在空穴注入和传输区域中,与发射层(40)接触的层以外的层之一包括一种或多种选自以下组别的材料:噻吩衍生物、三环或多环融合芳香衍生物、胺衍生物(不包括下式(A)代表的化合物)、导电聚合物、CFx、CuPc、过渡金属氧化物、富勒烯和受体材料;在电子注入和传输区域中的层包括苯并咪唑衍生物。