ALEXANDRIA, Va., April 9 -- United States Patent no. 12,272,927, issued on April 8, was assigned to STANLEY ELECTRIC Co. LTD. (Tokyo).
"Vertical cavity surface emitting device" was invented by Komei Tazawa (Tokyo), Seiichiro Kobayashi (Tokyo) and Yusuke Yokobayashi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vertical cavity surface emitting device includes a substrate, a first multilayer film reflecting mirror, a first semiconductor layer having a first conductivity type, a light-emitting layer, a second semiconductor layer having a second conductivity type opposite of the first conductivity type, and having an upper surface with a projection, an insulating layer that covers the upper surface of ...