An electronic device includes: an anode and a cathode facing each other; a quantum dot emission layer disposed between the anode and the cathode and including a plurality of quantum dots; and a light emitting source, wherein the quantum dot emission layer is configured to receive electrical energy from the anode and the cathode and to emit light having a first wavelength, wherein the quantum dot emission layer and the light emitting source are configured so that the light emitting source provides the quantum emission layer with light having a second wavelength, and the plurality of quantum dots are excited by the light having the second wavelength and emit light having a third wavelength, wherein the anode, the cathode, or a combination thereof is a light transmitting electrode, and the light of the first wavelength and the light of the third wavelength are emitted through the light transmitting electrode.