As countries around the world pay more attention to energy conservation and environmental protection, the speed of upgrading and upgrading of lighting products has obviously accelerated. Major countries and regions including China, the United States and Europe have successively formulated timetables for incandescent lamps, and incandescent lamps will gradually withdraw from world lighting. market. Alternative products such as energy-saving lamps (compact fluorescent lamps) and LED energy-saving lamps have been widely used worldwide, and the market scale of the global lighting industry has been further expanded. The steady growth of the lighting industry has led to the growing market size of the lighting power industry. The global lighting power industry market grew from $12.116 billion in 2007 to $17.423 billion in 2010. Source: China Lighting Association Under the dual effects of global warming and energy shortage, governments around the world have paid more and more attention to energy conservation and environmental protection. Major countries and regions have successively launched timetables for incandescent lamps to promote the development of energy-saving and environmentally-friendly LED lighting industry. With the continuous development of LED technology, the luminous efficiency of LEDs has gradually improved, and the cost performance has been continuously improved. The application market of LED products in the field of lighting is more extensive. The future of LED in the lighting market will be more popular worldwide, and it is the best substitute for traditional lighting products such as incandescent lamps. As LEDs gradually replace traditional light sources such as incandescent lamps, the market size of LED lighting power supplies will continue to increase and will be the most important lighting power source. It is estimated that the global market for lighting power industry will reach 30.827 billion US dollars in 2015.