With the continuous evolution of lighting technology, people's demand for LED lighting has evolved from the initial brightness and light efficiency to the pursuit of natural light environment and its impact on human physical and mental health.

Therefore, the sky light, which can simulate the effect of natural sunlight and blue sky and white clouds, began to appear in the public's field of vision, and gradually became a rising "star" in the lighting industry.

The real sky light has two major characteristics:
1. The light source uses the sunlight imitating the natural light system, that is, white light.

2. Use an optical diffuser with Rayleigh scattering effect, whose main function is to scatter blue-violet light in the short wavelength range.

If you want to understand the characteristics of sky lights, you have to mention the principle of sky formation-Rayleigh scattering effect. When sunlight passes through the earth’s atmosphere, it interacts with various particles in the air, and short-wavelength blue light is scattered by colliding with these particles, making the sky appear light blue.

When the white light from the light source of the lamp passes through a transparent polymer panel with titanium dioxide nanoparticles added, the tiny particles in the LED will cut off the blue light in the LED, causing it to scatter on the surface, so that the surface of the lamp will finally show a blue sky effect. The color temperature is basically unaffected, and the effect of the panel containing nanoparticles is similar to that of the earth’s atmosphere. . The sky lights designed based on this principle can make people feel like they are in nature and feel the blue sky and sunshine. This is the well-known black technology.