LED(Light Emitting Diode) is a new type of Light sources for lighting products. LED is basically a very small chip is encapsulated in epoxy resin inside, so it is very small, very light. LED power consumption is very low, generally speaking, the working voltage of 2-3.6V is LED. Only a very weak current can be normal luminescence. At the appropriate current and voltage, the service life of LED can reach 100000 hours.LED uses cold light emitting technology, the heat capacity is lower than the same power ordinary lighting lamps and lanterns.LED is made of non-toxic materials, unlike fluorescent lamps containing mercury can cause pollution, while LED can also be recycled.

Light emitting diode is referred to as LED. Made from gallium (Ga), arsenic (As), phosphorus (P), nitrogen (N), etc.. When the electrons and holes are combined, the visible light can be emitted, which can be used to make the light emitting diode. In the circuit and apparatus as an indicator, or to form a word or a digital display. GaAs diodes glow diode gap, green silicon carbide, yellow light diode, light emitting diode Gan.

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