摘要 |
An organic electroluminescent device including, a hole-transporting layer, an emitting layer and an electron-transporting layer in this order between an anode and a cathode, an emission spectrum having emission peaks when applying current for emission, the intensity (I<SUB>D</SUB>) of the maximum emission peak among the emission peaks and the intensity (I<SUB>O</SUB>) of another emission peak at a shorter wavelength than the wavelength of the maximum emission peak among the emission peaks satisfying the following formula (A), <?in-line-formulae description="In-line Formulae" end="lead"?>I<SUB>O</SUB>/I<SUB>D</SUB><1/50 (A). <?in-line-formulae description="In-line Formulae" end="tail"?>
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