an optical phenomenon and electrical phenomenon in which a material emits light in response to the passage of an electric current or to a strong electric field From Wikipedia, the free encyclopedia
Electroluminescence (EL) is an optical and electrical event in which a material emits light in response to an electric current passed through it, or to a strong electric field.
The electric energy is absorbed by electron in the ground state and is excited to the higher state of energy called the excited state.The excited state is not the stable state and the electron jumps back to the ground state and emits the photon related to the bandgap of the material.
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