* Blue light is
the light contained in the white light. The human vision The white light is divided into seven colors, violet, indigo, blue, green, yellow, orange, red and
blue light are mixed in with the blue, indigo blue light is a high energy light waves. With a wavelength of 400-500 nm
blue light, the light energy is high HEV (High Energy Visible), a group of light next to the UV light is the light in the wavelength range of HEV is breaking.
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