LED plant fill lights, the spectrum is limited to the visible part, the combination of red and blue light, the performance of pink light, color rendering is very low, is not conducive to the protection of vision, especially in the long-term under the pink light environment, easy to make People feel dizzy and nausea, and their eyesight drops.

In the LED plant fill light spectrum, there is almost no ultraviolet light, but the ultraviolet light plays a role in increasing the vividness of the flowers. The reason why the flowers in the highland area are particularly bright is because of the rich ultraviolet radiation.

In addition, UV light can promote the synthesis of sugars and increase the sugar content of the plant's special berry plants.