Electroluminescence facts for kids

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.

Images for kids

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  Views of a liquid crystal display, both with electroluminescent backlight switched on (top) and switched off (bottom)

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  Spectrum of a blue/green electroluminescent light source for a clock radio (similar to the one seen in the above image). Peak wavelength is at 492  nm and the FWHM spectral bandwidth is quite wide at about 85  nm.

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  An electroluminescent nightlight in operation (uses 0.08 W at 230 V, and dates from 1960; lit diameter is 59 mm)

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  A Casio digital LCD watch with an electroluminescent backlight.

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  1966 Dodge Charger instrument panel with electroluminescent lighting. Chrysler first introduced cars with EL panel lighting in its 1960 model year called "Panelescent Lighting".

See also

In Spanish: Electroluminiscencia para niños