US Patent Issued to Cepheid on May 19 for "LED characterization and compensation methods and systems" (California Inventors)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,678, issued on May 19, was assigned to Cepheid (Sunnyvale, Calif.).

"LED characterization and compensation methods and systems" was invented by Amish Shah (Sunnyvale, Calif.), Marissa Lee (Sunnyvale, Calif.), Jessica Koay (Sunnyvale, Calif.) and Richard J Casler Jr. (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for monitoring, characterizing and controlling operation of LEDs are provided herein. Methods includes measuring a voltage across the LED, and correlating the voltage to a junction temperature of the LED. This correlation can be used to improve operation of the LED by increasing the signal to noise ratio...