ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,426,409, issued on Sept. 23, was assigned to DOWA Electronics Materials Co. Ltd. (Tokyo).

"Point source type light-emitting diode and manufacturing method thereof" was invented by Masatoshi Iwata (Akita, Japan) and Shinya Shoji (Akita, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a point source type light-emitting diode and a manufacturing method thereof, which simplify a manufacturing process and have superior temperature-dependent characteristic. A point source type light-emitting diode includes a support substrate, a metal layer having a light reflecting surface, a current narrowing layer, a III-V compound sem...