| abstract |
An organic EL device comprising a plurality of organic compound layers that include at least two or more organic light-emitting layers and are sandwiched between a pair of electrodes of anode and cathode, wherein two or more of these organic light-emitting layers are all doped with a fluorescent substance of the same type or the same color that constitutes the organic light-emitting layers. The device has a long life and high light-emitting efficiency. |