ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,270, issued on Sept. 9, was assigned to STMicroelectronics (Crolles 2) SAS (Crolles, France).
"Optical diffuser" was invented by Simon Guillaumet (Grenoble, France), Benjamin Vianne (Le Cheylas, France) and Stephane Zoll (Froges, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present description concerns an optical diffuser including a first layer having an electrically-conductive track formed therein, and a second layer, having the first layer resting thereon resting thereon, and having at least two electrically-conductive pillars extending across the entire thickness of the second layer formed therein. The second layer includes at leas...