ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,414,209, issued on Sept. 9, was assigned to Sundopt LED Lighting Co. Ltd. (Shenzhen, China).

"Color mixing circuit, method and electronic device for light sources" was invented by Guoxin Li (Shenzhen, China) and Weiyue Yu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A color mixing circuit for light sources comprising a power supply module, a first light source module, a second light source module, a first resistance module, a second resistance module, and a circuit gating module; the first light source module is respectively connected to the power supply module and the circuit gating module; the first light source module is further c...