LED照明发展史.pdf

Fördergemeinschaft Gutes Licht LED – Light from the Light Emitting Diode 17 Contents LEDs are changing the world of light 1 The LED light source 2 LED modules 6 Advantages at a glance 8 Typical applications 9 LED light in use 10 Operational and control equipment 20 LEDs and OLEDs: perspectives 22 Legal and normative requirements 24 Standards, literature 26 1 List of illustrations 27 Imprint 28 Fördergemeinschaft Gutes Licht publications 29 2 Title Illustration: LEDs bring colour into life. The illustration shows the hall of the Weggis Hotel in Lucerne, Switzerland. Over 84,000 individual LEDs are distributed on chains over its glass façade. With the aid of a light management system every imaginable colour can be produced from the RGB pattern (see also page 15). 3 LEDs are changing the world of light Light sources should be as With 50,000 operational small as possible, produce hours, LEDs have a very light efficiently and have a long life. This results in a long life.