The source characteristics of LED are as follows.
(1) A new type light source of green environmental protection: Using cold light sauce, glare of LED is small, and there is no radiation and no harmful substance in use. Adopting DC drive mode, the power consumption of LED is very low and the electro-optical power conversion can be almost up to %. Comparing with the traditional light source, LED energy can save about % under the condition of the same lighting effect. Environmental benefits LED is good because there is no ultraviolet ray and infrared ray in the spectrum, no pollution and no mercury. In addition, waste of LED can be recycled and it can be safe to touch.
(2) Long life: As a solid cold light source, using epoxy resin encapsulation, LED has vibration resistance and there is no loose part in the light body. The service life can be up to 6 - million hours because there is no filament burnability, thermal deposition, depreciation and other shortcomings. The service life of LED is times more than the traditional light`s.
(3) Multi-transformation: Based on the principle of three basic colors and under the control of the computer, LED has levels of gray which can be mixed arbitrarily, and they can produce ××（） colors to form different colors combination. Multi-transformation of LED can realize the colorful dynamic changes and various image effects.
(4) High and new technology：Compared with the luminous effect of traditional light source, LED light source is microelectronic products of low voltage and it has succeeded in fusing computer technology, network communication technology, image processing technology, the embedded control technology etc.
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