ALEXANDRIA, Va., March 26 -- United States Patent no. 12,262,154, issued on March 25, was assigned to Azumo Inc. (Chicago).
"Reflective display comprising coupling lightguides folded at different fold angles" was invented by Anthony Nichol (Minneapolis) and Zane Coleman (Elmhurst, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In some aspects, a display comprises a reflective spatial light modulator, a light source, and a film-based lightguide having an array of coupling lightguides in a form of strips of the film extending from and continuous with a lightguide region of the film. The coupling lightguides are folded and stacked behind the reflective spatial light modulator along fold lines oriented at d...