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The structure of LED fill light
Jul 09, 2018

LED is an abbreviation of the English Light Emitting diode (light-emitting diode), the core of the LED is a light-emitting chip composed of P-type semiconductor and N-type semiconductor, and the p-n junction of LED is coupled with forward voltage, when the forward current through the conductor acting on the LED chip, The electrons will be pushed into the P-type semiconductor zone, where electrons are combined with holes in the P region, and then emitted in the form of photons, which is the principle of LED luminescence.

Energy can be directly converted to light energy, belong to the cold source, also known as semiconductor solid-state light source.