led street light retrofit lamp led road lamp
The introduction of LED monolithic
LEDs can only conduct in one direction (energize), called forward bias (forward bias). When current flows, electrons and holes recombine in them to emit monochromatic light. This is called electroluminescence effect. The wavelength and color of the light are related to the type of semiconducting material used and the impurities of the incorporated element. It has the advantages of high efficiency, long life, unbreakable, high switching speed, high reliability and other traditional light sources. The luminous efficiency of white LEDs has improved significantly in recent years. At the same time, the purchase price per one thousand lumens has also dropped significantly due to the mutual competition of manufacturers who have entered the market. Although more and more people use LED lighting for office, furniture, decoration, signboards, and street lighting applications, LED technology is still lower than new fluorescent lamps in terms of photoelectric conversion efficiency (the ratio of effective illumination to power consumption). After the country develops civilian destinations.
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