In recent years, computers have gradually become an indispensable part of people's life or work. However, due to the problem of blue light damage in LED technology, more and more people have short-sighted eyes and poor mental state. In response to this problem, we designed a "Smart Photosensitive Screen Light". The light can be clipped to the screen and protected from blue light damage by the golden glow of silicon substrate LED chips. Melanin secretion improves the deep sleep ratio, thereby improving people's quality of life. It is suitable for various environments.