US Patent Issued to STANLEY ELECTRIC on Feb. 4 for "Vertical cavity surface emitting device" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,218,486, issued on Feb. 4, was assigned to STANLEY ELECTRIC Co. LTD. (Tokyo).

"Vertical cavity surface emitting device" was invented by Masaru Kuramoto (Tokyo) and Seiichiro Kobayashi (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 on the substrate, a first semiconductor layer on the first multilayer film reflecting mirror, a light-emitting layer on the first semiconductor layer, and a second semiconductor layer on the light-emitting layer. The second semiconductor layer includes a low resistance region and a high resistance region on an upper ...