In the past year, LED street light technology has made rapid progress, and the overall lighting effect is easily over 70Lm/W, and the highest is even close to 100Lm/W. The trend of price decline is also obvious, which makes the investment return cycle shorter and scale promotion possible. In addition, the power quality of the LED street lamp is improved, the life is extended, and the replacement is basically realized. The heat dissipation level of the lamps is improved faster, the heat dissipation level is improved, multi-chip integration can be realized, and the light decay is improved significantly.
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For this development trend, Wu Chunhai, director of the planning and design office of Shenzhen Street Light Management Office, said that the overall lighting efficiency exceeds 80Lm/W, which makes the application space of LED street lights open, and with the improvement of chip light efficiency and price, The natural solution to the problem of energy conservation, some of the old problems that continue to plague the industry in the past will no longer be the main obstacle. At the same time, people's requirements for lighting quality will increase, becoming the biggest problem that hinders the large-scale promotion of LED street lamps in the future. Taking color temperature (chroma) as an example, it may become the “winner and loser†in the market competition in the next few years. The challenges include: the light color is not comfortable enough, the high is not low; the color temperature consistency of the same model is not Good; the spatial uniformity of color temperature is poor; the drift of color temperature is more serious. Therefore, it is expected that the future development direction of LED street lighting technology will be to find a balance between lighting and energy efficiency. 
