US Patent Issued to The Regents of the University of Michigan on Sept. 22 for "Light-based tactile sensing with directional sensitivity" (Michigan, Georgia Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,693, issued on Sept. 22, was assigned to The Regents of the University of Michigan (Ann Arbor, Mich.).

"Light-based tactile sensing with directional sensitivity" was invented by Pei-Cheng Ku (Ann Arbor, Mich.), Jingyang Sui (Atlanta) and Kunook Chung (Ann Arbor, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device includes a substrate and a set of force sensors supported by the substrate. Each force sensor includes a pillar extending outward from the substrate, each pillar comprising a stack of semiconductor layers, the stack of semiconductor layers being configured to emit light upon biasing of the stack of semiconductor layers, and post ...