| abstract |
The present invention relates to an organic electroluminescent device, comprising: an organic electroluminescent device comprising an anode electrode, a hole transport layer, a light emitting layer, an electron injection layer, and a cathode electrode, wherein the light emitting layer is an optically active low molecular charge transport material and a polymer light emitting device By providing an organic electroluminescent element characterized by using a mixture of materials, it is possible to provide an organic electroluminescent element having improved luminous efficiency, color purity and laser transfer characteristics. |