Patent ID: 8373191

Claim:
An organic electroluminescence device comprising: an anode; a cathode; a plurality of light emitting layers being disposed between said anode and said cathode; and an intermediate layer being disposed between said light emitting layers; said intermediate layer comprising: a charge transfer complex layer made of a charge transfer complex, a metal layer made of a metal having a work function of 3.7 eV or less, or a metal compound layer made of a compound of the metal having the work function of 3.7 eV or less; a light transmissive layer containing an electrically conductive material; a charge transport organic material layer formed of a charge transport organic material; and a hole injection material layer formed of a hole injection material, which are superimposed in this order; wherein said charge transport organic material layer is formed to have a thickness in a range of 0.5 nm to 30 nm.