Patent 9301362 was granted and assigned to CeramTec on March, 2016 by the United States Patent and Trademark Office.
In order to supply power and control the power supplied to an LED (43), in particular an LED (43) comprising a ceramic support element (4, 32), an LED driver circuit (17) is designed to regulate the supply current for the LED (43) in accordance with the temperature of the support element (4, 32).