| abstract |
An organic EL device with improved light emission amount is provided. An organic electroluminescence device comprising, on a metal electrode substrate as a negative electrode, at least a light emitting layer and a transparent electrode as a positive electrode in this order, The organic electroluminescent element whose specific surface area of the surface in the side which provides the said light emitting layer of the said metal electrode substrate is 200 or more. [Selection] Figure 1 |