New application for blue LED: helping people reduce sleepiness
Helen Loomes, director of business development at Trilux, a German lighting company, said at a conference that in the past few years, there has been increasing evidence that LEDs can help reduce sleepiness and alertness. Now, LED lighting can prove to be the gospel of night shift workers, because LEDs can help reduce the health risks of night work.
It is well known that night workers have higher health risks than daytime workers because their working hours violate the body's natural clock, which destroys the internal rhythm of their genes. In addition, night workers have an increased risk of heart disease, obesity and cancer.
However, lighting can be used to maintain a regular circadian rhythm while working at night. Studies have found that bright LEDs above 1000 lux can inhibit melatonin, which helps sleep and aid sleep. In the Trilux office, melatonin production is suppressed throughout the day in a natural blue-rich environment. When blue light began to decline, fatigue began to prevail until the night.
The spectral distribution controlling melatonin peaks at 464 nm, which is a very strong blue color. Lighting manufacturers can adjust the light output of the module and take advantage of these findings.
Blue saturation is done before using the phosphor, but for many working environments, this color temperature is too cold. As a result, LED technology provides finer adjustments that result in warmer tones and, if necessary, the peaks of melatonin in the spectrum.
It is well known that night workers have higher health risks than daytime workers because their working hours violate the body's natural clock, which destroys the internal rhythm of their genes. In addition, night workers have an increased risk of heart disease, obesity and cancer.
However, lighting can be used to maintain a regular circadian rhythm while working at night. Studies have found that bright LEDs above 1000 lux can inhibit melatonin, which helps sleep and aid sleep. In the Trilux office, melatonin production is suppressed throughout the day in a natural blue-rich environment. When blue light began to decline, fatigue began to prevail until the night.
The spectral distribution controlling melatonin peaks at 464 nm, which is a very strong blue color. Lighting manufacturers can adjust the light output of the module and take advantage of these findings.
Blue saturation is done before using the phosphor, but for many working environments, this color temperature is too cold. As a result, LED technology provides finer adjustments that result in warmer tones and, if necessary, the peaks of melatonin in the spectrum.
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