The design principle of light guide film originates from the LCD screen of notebook computer, which is a high-tech product that converts a line light source into a surface light source.GUTE TEK Plastic 14 inches light guide film is manufactured by using spectral analysis principles combined with digital UV printing technology under constant temperature, humidity, and dust free environmental conditions. It has distinctive characteristics such as ultra-thin, ultra-bright, uniform light guide, energy saving, environmental protection, no dark areas, durability and not easy yellowing.