Full spectrum is everywhere, beware of a mixed bag
With the development of LED lighting, people have transitioned from the pursuit of light efficiency and luminous flux to the pursuit of perfect light quality. In recent years, the most popular product in the market must be full-spectrum lighting.
With the development of LED lighting, people have transitioned from the pursuit of light efficiency and luminous flux to the pursuit of perfect light quality. In recent years, the most popular product in the market must be full-spectrum lighting.
The current full spectrum refers to the continuous spectral curve of visible light, and the proportion of red, green and blue in the visible part is similar to that of sunlight, and the color rendering index is close to 100. The solar spectrum can be called the full spectrum.More than ten years ago, when the CRI reached 80, it was also called full spectrum. Now, when the CRI reaches 90, it is also called full spectrum.
There are currently a variety of full-spectrum product forms on the market, including violet light excitation, single blue light chip excitation, dual blue light chip excitation, and triple blue light chip excitation, etc. It is believed that more full-spectrum products will be released in the future.
But interestingly, you may encounter the following two so-called full spectrums.
The first one is to use white light beads directly inside the lamp and mix red light beads in the middle. The light coming out after adding the lampshade is measured with a spectrometer to measure the so-called full spectrum.
The second type appears on the basis of the existing visible light (380-780nm) full spectrum, adding the invisible light (800-1050nm) spectrum, claiming to solve both visual and non-visual problems. The reason is that sunlight contains this spectrum.
The following two types of full spectrum are questionable:
The first type, the spectrum produced by mixing red and white two-color lamp beads, is to deliberately increase the monochromatic red light. The advertising light box and fresh food lamp.
Second, what I want to say is that the integrated packaging of invisible light and visible light has no problem in terms of light source physics. If we simply use physical methods to gather the bands together, how can we answer the question of the impact of the addition of invisible light on human biology and medicine? What exactly does it do? Why add this spectrum? What problem can be solved?These all require medical explanation.
Therefore, if the first one is to reduce costs, then the second one is deliberately to increase added value.
Scientists around the world generally believe that sunlight is the healthiest light! The reason is that millions of humans have been evolving under sunlight, and various human functions have adapted to sunlight, so simulating the sunlight spectrum will be the next direction for industry transformation and upgrading.
Excerpted from Light and Health (author is Yulin Wu and Deyou Tan, published in 2018)
Judging from the spectral composition of sunlight, visible light and invisible light each account for 50%. Each visible light and invisible light has its own function.
Excerpted from Light and Health (author is Yulin Wu and Deyou Tan, published in 2018)
At present, the full spectrum only stays in the visible light part, but if you want to fully simulate the sunlight spectrum, it will cover the full range of visible and invisible light.
In the medical field, various visible and invisible lights have been used to treat and prevent various diseases. Light can already treat hundreds of diseases in the human body. Therefore, light therapy and light health care will also be another important track for corporate transformation in the future!
Before the country has a strict standard definition of full spectrum, the full spectrum on the market will still be a mixed bag. Consumers should keep their eyes open and not credulously believe in full spectrum.