| abstract |
An organic electroluminescent device excellent in light emission efficiency and driving voltage, having electrodes composed of an anode and a cathode, a first organic layer arranged in contact with or adjacent to the anode between the electrodes and containing a hole transporting polymer compound and a second organic layer arranged in contact with the first organic layer between the first organic layer and the cathode and containing an electron transporting polymer compound, wherein the hole transporting polymer compound and the electron transporting polymer compound are regulated by specific parameters, at least one of the first organic layer and the second organic layer contains a light emitting material regulated by specific parameters, and light of specific color is emitted from the first organic layer or from the first organic layer or the second organic layer. |