ALEXANDRIA, Va., July 3 -- United States Patent no. 12,349,247, issued on July 1, was assigned to DELTA ELECTRONICS INC. (Taoyuan, Taiwan).
"LED power supply equipment with bi-level dimming" was invented by Ching-Ho Chou (Taoyuan, Taiwan) and Yung-Chuan Lu (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bi-level dimming LED power supply equipment adjusts the brightness of a plurality of LED lights according to whether an external detection switch is triggered turned on. The LED power supply equipment includes a plurality of LED power supplies, and the LED power supplies respectively include an input end and an output end. The input end receives an input voltage, and the output end includes ...