US Patent Issued to Lumus on Nov. 18 for "Methods of fabrication of compound light-guide optical elements having embedded coupling-in reflectors" (Israeli Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,591, issued on Nov. 18, was assigned to Lumus Ltd. (Ness Ziona, Israel).

"Methods of fabrication of compound light-guide optical elements having embedded coupling-in reflectors" was invented by Ronen Chriki (Lod, Israel), Kobi Greenstein (Ness Ziona, Israel), Edgar Friedmann (Sdey-Avraham, Israel) and Elad Sharlin (Mishmar David, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "A stack has first and second faces and multiple LOEs that each has two parallel major surfaces and a first plurality of parallel internal facets oblique to the major surfaces. A first block has third and fourth faces and a second plurality of parallel internal facets. Th...