| 摘要 |
An organic EL device includes a cathode, an organic electroluminescent layer and an anode, laminated in sequence. The organic layer is composed of a continuous organic medium AxByCz, where A, B and C are components capable of transporting electrons and holes and a hole injecting component, respectively, x represents the content of the A component with a value ranging from 0 adjacent the anode to 100% adjacent the cathode, y represents the content of the B component with a value ranging from 0 adjacent the cathode to 100% adjacent the anode, and z represents the content of the C component and is a maximum adjacent the anode. The C component includes a hole injecting component such as porphyrinic compound, for example one of CuPc and MgPc.
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