We present a hypothetical quantum scattering model to purpose a novel electroluminescence device. Adopting the features of solid state semiconductor LED and exciplex laser, the cathode (electron incoming potential) and anode (electron outgoing potential) are made to correspond to two 1-dimensional resonance supporting potentials, and the light emitting part to an interaction potential in the intermediate region. When an external voltage is applied, the electron flows into the cathode having small work function. Subsequently it flows via LUMO of the "electron incoming potential",loses kinetic energy emitting a photon, then continues to flow via LUMO of the "electron outing potential" unlike the conventional LUMO to HOMO transitions occurring in solid state semiconductor LED. In this model, the photon frequency can be controlled by adjusting the applied votage. The model hopefully could be realized as partially conjugated hydrocarbon chains.
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