LED is the light source of the 21st century. The reprint of the magazine licht.wissen 17 “LEDs: Basics - Applications - Effects“ informs on its 56 pages about all its aspects – from application in the most diverse fields to the future topics of digitalization and Human Centric Lighting. It offers an introduction into the technical principles of this lighting technology. It addresses normative bases and depicts the most important parameters: figures, costs and environmental aspects. Free Download: www.all-about-light.org