The new semester began, usher in the shopping season, school things and in energy saving, longevity, the banner of the LED desk lamp that shield an eye is attracted the attention of a large number of parents. But recently the us department of energy (DOE) released a report on the life and reliability of solid state lighting products analysis report, the report pointed out that the current industry standards, there is no perfect way to define the system lifetime of LED lamps and lanterns. Relevant experts expressed, the service life of LED lighting equipment evaluation is currently the problems existing in the development of industry.
Long life is just a legend
On MouTuan purchasing platform, back-to-school rush to open groups of various products, including LED the desk lamp that shield an eye alone has opened two or three. “No stroboscopic, eye” is the selling point to attract the mothers look, while its long service life makes many moms feel incredible. Have a weak mother asked “where can I buy a replacement bulbs? Head of a manufacturer’s standard answer: “small LED lamp bead (SMD) of normal life is 20000-40000 hours, conservative calculation, with a decade of eight years, don’t need to change the light bulb.”
But Beijing consumer ms zhou recently told the financial times, her 3 years ago to buy the LED desk lamp, promoters said with LED lights also want to change the light bulb OUT, because of its service life can reach 100000 hours, thought that from the end of the small desk lamp bulb began flashing, some are completely not lit up. She inquired about the multiple shops, were told can’t repair, lamp bracket is fine, threw a pity. “We have always put environmental protection, energy saving, long life in their mouth, but the reality applications, there is the problem of the long life.”