The invention comprises use of Dynamically Switchable Bypass (DSB) elements in association with one or more Light Emitting Diodes (LEDs) in arrays for illumination circuits to provide rugged, reliable lighting. The DSBs are selected from Transient Voltage Suppressors, including Silicon, Metal Oxide Varistors,...http://www.google.de/patents/US20020043943?utm_source=gb-gplus-sharePatent US20020043943 - LED array primary display light sources employing dynamically switchable bypass circuitry
