| abstract |
The organic electroluminescent device of the present invention can improve the balance between electrons and holes in the light emitting layer, thereby lowering the driving voltage and improving the luminous efficiency.n n n In the organic electroluminescent device of the present invention, a light emitting layer is disposed between the hole injecting electrode and the electrode injecting electrode, a hole injecting layer is provided between the hole injecting electrode and the light emitting layer, and an electron transporting layer is provided between the electron injecting electrode and the light emitting layer Wherein a fluorocarbon layer is provided between the hole injecting layer and the light emitting layer in the organic electroluminescent device and the electron transporting layer is formed from a phenanthroline compound.n n n n Organic electroluminescent device, driving voltage, luminous efficiency |