ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,213,219, issued on Jan. 28, was assigned to LX SEMICON Co. LTD. (Daejeon, South Korea).

"LED driving circuit and driving method" was invented by Sang Suk Kim (Daejeon, South Korea), Jang Su Kim (Daejeon, South Korea), Ji Hwan Kim (Daejeon, South Korea), Kyeong Rok Lee (Daejeon, South Korea) and Jong Min Lee (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to an LED driving circuit for controlling the voltage of an LED backlight system, and to a technology for controlling the driving voltage of an LED string formed at one end of the LED string through a digital counter by monitoring the output voltage of...