One of the main policy principles of US President Obama is to promote green energy policy and develop ZeroEnergyBuilding. The United States invests 80 billion US dollars in clean energy with the goal of reducing oil imports by 1/2 in 2020. By 2035, 80 power supply comes from clean energy. Of course, promoting LED lighting will also help the United States increase its self-sufficiency rate.
The US Department of Energy is the leading agency for solid-state lighting development. The program focuses on technology development, product manufacturing, and commercialization. It also proposes LED industry development indicators every year. In its published version in 2012, the first major task of LED solid-state lighting is to reduce costs, improve luminous efficiency, and reduce the retail price of terminals. In general, by 2020, the cost of LED epitaxial chips and packaging will be reduced by about 80% compared with 2012. The retail price of LED bulbs with 60~100 and 60W grades will be reduced by 66 compared with 2013.
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