ORGANIC ELECTROLUMINESCENCE ELEMENT HAVING TWO ELECTROLUMINESCENT LAYERS THROUGH ELECTRON BARRIER LAYER

摘要

An organic electroluminescence element comprising a pair of electrodes and at least two organic luminescent layers held between the electrodes, wherein (1) the two organic luminescent layers are disposed through an electron barrier layer, and (2) the two organic luminescent layers are both made of electron transport light-emitting material.