US Patent Issued to Joulwatt Technology on May 6 for "Power supply circuit and light-emitting diode (LED) driving system using power supply circuit" (Chinese Inventors)

ALEXANDRIA, Va., June 10 -- United States Patent no. 12,294,301, issued on May 6, was assigned to Joulwatt Technology Co. Ltd. (Hangzhou, China).

"Power supply circuit and light-emitting diode (LED) driving system using power supply circuit" was invented by Guoqiang Liu (Hangzhou, China) and Yingyan He (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power supply circuit and a light-emitting diode (LED) driving system using the power supply circuit are provided. The power supply circuit includes a linear conversion circuit, a first capacitor, and a direct current-direct current (DC-DC) conversion circuit, where an alternating current input signal is rectified to form a first rectified voltag...