Why is LED light known as long lifeThe emission mechanism of incandescent light is thin the Energy heats the luminous tungsten filament to glow, after heating in very long period, tungsten is going to be aging and even blows, thus, the life of incandescent bulbs has ended, whilst the emitting mechanism of light-emitting diode is determined by the diodes special composition, the diode mainly consists of the PN crystal plate, the electrode and the optical system, when the electrode having a positive bias, the electrons and holes are injected into the P and N regions, when the non-equilibrium minority carrier recombine majority carrier, it will turn excess Power into light Power within the form of photons. The luminescence process includes three parts: the forward bias carrier injection, combined r
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