Analysis of the technical principle of LED anti-blue light beads

LED anti-blue light beads can effectively reduce the continuous damage of blue light to the eyes. Through the comparison and detection of the portable spectrum analyzer, after using the LED anti-blue light beads, the intensity of blue light emitted by the mobile phone screen has been effectively suppressed, reducing the damage of harmful blue light to the eyes. . LED anti-blue light beads mainly reflect harmful blue light, or absorb harmful blue light by adding anti-blue light factors, so as to realize the blocking of harmful blue light and protect the eyes.

There is a scientific theorem on the spectrum, which we call Wang's theorem: the shorter the wavelength of light, the stronger the energy it carries, and the greater the damage to the fundus.
Sunlight contains red, orange, yellow, green, blue, blue, and purple colors. Blue light generally refers to high energy visible light (HEV) with a wavelength of 400nm to 500nm (different documents define different wavelength ranges). Here, in particular, blue light is not all harmful.
Blue light with a wavelength between 400nm and 450nm may be harmful to the retina, while blue light with a wavelength between 450nm and 500nm can adjust biological rhythms, which are related to sleep, emotion, and memory, and are beneficial to the human body. In addition to natural light, blue light also exists in computer monitors, fluorescent lamps, mobile phones, digital products, display screens, LEDs and other light.
The anti-blue light TV is to prevent the blue light produced by the LED screen from causing damage to the eyes so as to protect the eyes. Coocaa has an anti-Blu-ray TV, which converts harmful short-wave blue light into harmless long-wave blue light through the built-in chip control of the lamp bead, and there are many educational resources.
Anti-blue light TVs can filter high-energy short-wave blue light that poses a serious health threat to the eyes, thereby preventing energetic blue light from penetrating the lens and reaching the retina of the fundus. For example, through the control of the built-in chip of the lamp bead, the high-energy short-wave blue light of 380nm-420nm is converted into blue light without energy.
Now it is mainly divided into software and hardware anti-blue light, which is to warm the color temperature, and the anti-blue light rate is between 30% and 50%. Hardware anti-blue light is to convert short-wave blue light into harmless long-wave blue light, which can prevent 80-90%. Anti-blue TVs use hardware anti-blue light.