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Japan began producing and selling LED lighting equipment more than 10 years ago. Why is the penetration rate still low? The main reason is that the quality of LED lighting has not yet reached the ideal state. The energy-saving performance of high-end LED lighting this year is just as good as that of fluorescent lamps, but most LEDs still have lower energy-saving performance than fluorescent lamps. Although the life of LED lighting is much longer than that of fluorescent lamps, the price is 2-3 times that of fluorescent lamps, and there is no advantage in cost performance. The reason why the government still advocates LED lighting is that there is much room for improvement in the future.
According to reports, the Ministry of Economy, Trade and Industry of Japan began to research and develop next-generation lighting technology as one of the projects to enhance industrial competitiveness in 2009, granting subsidies to relevant scientific research institutions, supporting the research and development of new LED lighting technologies, and the 2012 fiscal year The budget is 1.67 billion yen. In addition, the Japanese government provides subsidies to consumers to encourage residents to use LED lighting products. 
According to the Japan Lighting Industry Association, there are more than 900 million lighting fixtures currently used in Japan, including about 20 million LED lighting. According to this ratio, the penetration rate of Japanese LEDs is only about 2%.