ALEXANDRIA, Va., March 12 -- United States Patent no. 12,250,756, issued on March 11, was assigned to SUZHOU OPPLE LIGHTING Co. LTD. (Suzhou, China) and OPPLE LIGHTING Co. LTD. (Shanghai).

"Control circuit and lighting device" was invented by Feng Chen (Suzhou, China) and Pingwei Zhang (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure disclose a control circuit and a lighting device, relates to a technical field of illumination. In the power-on process of the control circuit, the voltage input to the driving input terminal of the constant current driving module rises slowly, resulting in the current overshoot phenomenon of the light source load. In the control circuit disclosed by ...