What is the visual effect of the public on led street lights?
From a purely penetrability point of view, LED street lights should choose red light with a low color temperature, but the senses that street lights bring to people are also an important factor that cannot be ignored. The human senses mainly include psychology and physiology. From a psychological point of view, the human eye has different senses for different color temperatures under different illuminance conditions. In an indoor environment, under certain illumination conditions, a too high color temperature will give people a melancholy feeling, looking deserted and gloomy; while a too low color temperature will also give people a sultry feeling, appearing dim and depressing. In an outdoor environment, the human eye's perception of color temperature still needs to be corrected, and the comfort zone will slightly extend to the high color temperature area.
In recent years, LED technology is still developing rapidly, the luminous efficiency of the chip has been continuously improved, and the energy-saving rate has also been guaranteed. The contradiction between light efficiency and color temperature is no longer the main contradiction in the application process, and whether the color temperature and environmental conditions are coordinated is the focus of attention. Considering the technical conditions, climate conditions, current environmental conditions, and human senses, we propose that the color temperature of LED street lights should be within the range of 2800 to 4200K. Such a color temperature will not have a big impact on the light effect, but also ensure the penetration of fog and haze, and adapt to the visual sense of the people of our country.
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