ALEXANDRIA, Va., March 24 -- United States Patent no. 12,585,056, issued on March 24, was assigned to Lumus Ltd. (Ness Ziona, Israel).
"Lightguide-based display with light recirculation" was invented by Elad Sharlin (Mishmar David, Israel) and Ronen Chriki (Lod, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display includes a lightguide arrangement in which at least part of the image light is not coupled-out from the lightguide during a first pass of a coupling-out arrangement, and is recirculated so as to pass repeatedly the coupling-out arrangement. In one set of embodiments, recirculation of light is performed via a separate lightguide. In another set of embodiments, light is recirculated within...