ALEXANDRIA, Va., June 6 -- United States Patent no. 12,282,165, issued on April 22, was assigned to Lumileds LLC (San Jose, Calif.).

"Low-density electrical traces on a transparent or reflective substrate" was invented by Wouter Soer (Utrecht, Netherlands), Grigoriy Basin (San Francisco), Brendan Jude Moran (San Jose, Calif.) and Willem Sillevis-Smitt (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An inventive apparatus includes a substrate and a set of multiple electrically conductive traces. The substrate is transparent or reflective for visible light. The electrically conductive traces are sufficiently transparent, or are less than 200 micro metre wide and occupy less than 25% of an area...