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Light is the main component of city lighting. The traditional street lamps use the high-pressure sodium lamp, which wastes so many resources; Therefore, the development of the efficient and environmentally friendly light is very important. As a new lighting source of street lamp, LED has so many advantages.
First, the LED is short for Light Emitting Diode, which has a long lifespan. Life has reached twenty-five thousand hours when its luminous flux drops to eighty percent. The life of the metal halide lamp is six thousand to twelve thousand hours, and the high-pressure sodium lamp can work twelve thousand hours.
Second, the LED is a type of semiconductor material that is placed on a frame with a line. The material is sealed by the epoxy resin protecting the light; hence it is aseismic.
Third, the color of the LED lighting is better than the traditional one. People can see the objects more easily when the color temperature is high.
Fourth, the LED is able to implement lighting adjustment. The current is always proportional to the light emission, so the light can be adjusted by changing the current. In addition, the frequent switching on and off has less influence on the light output.
Fifth, the lumen loss of LED light is the lowest among all types of lights. In contrast to conventional light sources, which emit light in the entire room, the LED emits light in a half-space. When the reflector is used, the lighting loss cannot be avoided. Therefore, the usage rate of the LED lighting resource is better than that of the traditional resources. In addition, there is no mercury in the LED light, which does not harm the environment when it is used up.
At present, the investment is still the main problem of LED lighting development. Efficiency improves while price goes down. Compared with the normal energy, which is becoming less and less and harmful, the LED light is environmentally friendly. Therefore, the LED light will be the mainstream of street lights. The associated integrated circuit is MAXC001.
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