ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,618, issued on Dec. 9, was assigned to Apple Inc. (Cupertino, Calif.).
"Vertical emitters with integrated final-stage transistor switch" was invented by Siddharth Joshi (Grenoble, France), Keith Lyon (San Jose, Calif.), Arnaud Laflaquiere (Paris) and Christophe Verove (Le Cheylas, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated emitter device incudes a silicon die, including an array of control circuits, and a plurality of integrated emitter modules disposed on the silicon die. Each integrated emitter module includes a single epitaxial stack comprising multiple layers of III-V semiconductor compounds, which define a vertical emitt...