ORGANIC EL ELEMENT AND ORGANIC LIGHT-EMITTING DEVICE

摘要

Disclosed are: an organic EL element in which a hole is not accumulated in the interface between a light-emitting layer and a cathode-side layer and which has high efficiency and a long service life; and an organic light-emitting device. Specifically disclosed are: an organic EL element comprising an anode, a cathode and a light-emitting layer formed between the anode and the cathode, which is characterized in that the light-emitting layer contains a light-emitting material and a charge transport material, a hole-relaxing layer is formed adjacent to the cathode side of the light-emitting layer, the hole-relaxing layer contains a hole-relaxing material, the hole-relaxing material is an organic compound having a hole-transporting unit and an electron-transporting unit, and at least one charge transport material and at least one hole-relaxing material are the same organic compound as each other; and an organic light-emitting device equipped with the organic EL element.