A device is provided with an array of a plurality of phosphor converted light emitting devices (LEDs) that produce broad spectrum light. The phosphor converted LEDs may produce light with different correlated color temperature (CCT) and are covered with an optical element that assists in mixing the light...http://www.google.fr/patents/US8067254?utm_source=gb-gplus-shareBrevet US8067254 - Common optical element for an array of phosphor converted light emitting devices
Common optical element for an array of phosphor converted light emitting devices
