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LED general lighting is still in the initial stage
LED prospects fired hot, but relevant data have shown that in the light bulb and fluorescent tube replacement, recessed lights, street lights and parking lights, work lights (table lamps, cabinet lighting) based gen eral lighting market, LED lighting applications, the ratio is still less than 1%. Outdoor led underground light street lighting, for example, the current mostly only as a government demonstration project, the commercial popularity seems to still take time.
ON Semiconductor (OnSemi) Hong Kong and China, senior applications manager Cheng Tsung, LED street light The reason why can be used as a demonstration project, of course, depends first on its high luminous efficiency, low lighting reflection loss, does not require high pressure, mercury-free and more secure features of ; Second, compared to general lighting, LED lighting is easier to add digital or analog dimming capability, easy to realize remote control, and can provide ultra-high brightness and color of lighting in foggy, rainy and other special circumstances. In addition, the laying cost, power consumption costs and the life aspect, LED lights ar e significantly better than high pressure sodium lamp.
But at the same time, its cost is relatively high, power reliability, and short range, is not conducive in the higher altitude work is still an important factor to hinder the rapid development of LED street lamp. On the other hand, if the government timely introduction of LED street lighting standards, will also be the popularization of LED street lamps are very powerful means.
PLM lighting technology marketing senior manager of Fairchild (Fairchild) Lee Woo said LED street lighting is part of the government energy efficiency projects, upgrade not only include the replacement of light bulbs, and also includes the use of long-lived rectifiers. "The first step is to upgrade to led lights for homes, installed in newly developed areas and then gradually replace the existing old-style street lighting is expected in the next five year s, today most of the lights will be LED lighting alternative."
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