Collimating lens to realize LED high efficiency illumination

Xi'an Institute of Optics and fine mechanics of Information Photonics Research laboratory researchers recently designed for efficient LED lighting of the collimating lens. Recently, the international authority of the field of optical magazine laser world editor John Wallace in LED OPTICS (LED Optics) column, the new design method for a special report.

As the fourth generation lighting source, LED is the key to achieve high efficiency of light and collimating illumination. According to John Wallace, the researchers used a simple and rapid method to design two kinds of non imaging LED collimating lens, which is quite different from that of the existing LED optical design. The collimating lens is very effective, the LED can be issued 80% of the light to focus on the radius of the cylinder of a radius of 5 meters, the distance from the light source of the road surface of 200 meters.