US Patent Issued to On-Bright Electronics (Shanghai) on Oct. 28 for "Systems and methods for controlling power factors of LED lighting systems" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,670, issued on Oct. 28, was assigned to On-Bright Electronics (Shanghai) Co. Ltd. (Shanghai).

"Systems and methods for controlling power factors of LED lighting systems" was invented by Liqiang Zhu (Shanghai), Qian Fang (Shanghai), Zhilin Fan (Shanghai) and Ke Li (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "System and method for controlling a bleeder current to increase a power factor of an LED lighting system without any TRIAC dimmer. For example, the system for controlling a bleeder current to increase a power factor of an LED lighting system without any TRIAC dimmer includes: a first current controller configured to receive a rectifie...