In recent years, LED lighting has won high enthusiasm and great attention to the investment by the outdoor to indoor lighting applications. China has emerged tens of thousands of LED lighting large and small businesses. LED lighting shine to the most important reason is the spread of energy-saving, environmental protection, long life, easy to control, maintenance-free characteristics, including longevity is the most prominent feature of the general LED light life of up to 5-10 ten thousand hours.
Although LED lighting with energy-saving, environmental protection, long life, easy to control, maintenance, etc., but ironically, we often heard as the life of the LED lighting itself directly drag LED lighting becomes not "longevity" greatly increased maintenance / use costs; or drive power is not efficient LED lighting leading to the energy efficiency of conversion ratio is not imagined so high, or because the output current ripple is not well controlled and the impact of light quality, making advantage of green energy-saving LED lighting greatly reduced, and even affect the market penetration.
