US Patent Issued to DELTA ELECTRONICS on July 14 for "Lighting device" (Taiwanese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,684,669, issued on July 14, was assigned to DELTA ELECTRONICS INC. (Taoyuan City, Taiwan).

"Lighting device" was invented by Chih-Hsien Wang (Taoyuan City, Taiwan), Kuan-Hsien Tu (Taoyuan City, Taiwan), Kai-Wei Chen (Taoyuan City, Taiwan) and Ming-Chieh Cheng (Taoyuan City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lighting device includes a driver, a first light string, a second light string, a constant current controller and a pulse width modulation controller. The driver is configured to provide a DC driving current to a shunt node. The first light string is electrically coupled between the shunt node and a ground terminal, and the firs...