| 摘要 |
A micro-optical resonator type organic light-emitting device comprising a substrate, and a multi-layered thin film, a transparent electrode, an organic light-emitting layer and a back electrode disposed on the substrate. If 0-mode resonance wavelength of the organic light-emitting device is expressed by lambd0, n-mode resonance wavelength of the organic light-emitting device is expressed by lambdn (in which n is a positive integer) and reflectivity of the multi-layered thin film against light having a wavelength lambd is expressed by R(lambd), R(lambd0) is 40% or more and R(lambd1) or R(lambd2) is 30% or less.
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