ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,749,668, issued on Sept. 29.
"Light source" was invented by Yuanjun Li (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "An innovative light source is disclosed, comprising a heat radiator suspended within the light source without direct contact. This suspension is achieved through an electromagnetic levitation and induction heating unit that generates a high-frequency electromagnetic field. The same electromagnetic field simultaneously levitates and inductively heats the heat radiator to temperatures exceeding those of traditional thermoluminescent lamp radiators. By reaching this elevated temperature, the heat radiator enables the light source ...