The light produced by some materials -mainly semiconductors- when exposed to an electric field. In this process, the electric field excites electrons in the material, which then emit the excess energy in the form of photons. Light-emitting diodes (leds) are the most well known example of EL.

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Light is emitted in response to an applied electric current.

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Converting electrical energy into light.

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The light produced by some materials - mainly semiconductors - when exposed to an electric field. In this process, the electric field excites electrons in the material, which then emit the excess energy in the form of photons. Light-emitting diodes (leds) are the most well known example of EL.

Source

Converting electrical energy to light

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