US Patent Issued to SONY GROUP on March 24 for "Light-emitting device" (Japanese Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,586,986, issued on March 24, was assigned to SONY GROUP Corp. (Tokyo).

"Light-emitting device" was invented by Kentaro Hayashi (Tokyo), Tatsushi Hamaguchi (Tokyo), Masamichi Ito (Kumamoto, Japan) and Rintaro Koda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting device includes: a light-emitting element array including a plurality of light-emitting elements arranged; and a dummy concave mirror section surrounding the light-emitting element array, and the light-emitting elements each include a stacked structure including a stack of a first compound semiconductor layer, an active layer, and a second compound semiconductor layer, a fi...