Electrons in the semiconductor recombine with electron holes releasing energy in the form of photons the color of the light corresponding to the energy of the photons is determined by the energy required for electrons to cross the band gap of the semiconductor.
Led light material.
The different semiconductor materials called substrates and different impurities result in different colors of light from the led.
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Impurities the nuts in the cake are introduced later in the manufacturing process.
A light emitting diode led is a semiconductor light source that emits light when current flows through it.
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Light emitting diodes leds have become widely used throughout the world for their many advantages over incandescent light sources including lower energy consumption longer lifetime improved physical robustness smaller size and faster switching.
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This material does an outstanding job of diffusing led hot spots while still having high light transmission.
Light is produced when the particles that carry the current known as electrons and holes combine together within the semiconductor material.
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Tuffak lumen xt is available in a number of different formulations allowing designers to select the optimum balance of light diffusion and light transmission for a particular application.
Unlike imperfections they are introduced deliberately to make the led function correctly.
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