Novel structure for improving luminous efficiency of organic light-emitting device

The invention relates to a novel structure for improving luminous efficiency of an organic light-emitting device. The novel structure comprises an upper electrode, a lower electrode, a first electron injection layer, a second electron injection layer, a third electron injection layer, a fourth electron injection layer, an electron transporting layer, a hole injection layer, a hole transporting layer, an organic light-emitting layer and a power source, wherein the upper electrode is made of a cathode material, and the lower electrode is made of an anode material; the hole injection layer is arranged on the lower electrode, the hole transporting layer is arranged on the hole injection layer, the organic light-emitting layer is arranged on the hole transporting layer, the electron transporting layer is arranged on the organic light-emitting layer, the first electron injection layer is arranged on the electron transporting layer, and the upper electrode is arranged on the first electron injection layer; the secon