ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,589, issued on June 10, was assigned to LUMUS LTD. (Ness Ziona, Israel).

"Light-guide optical element with multiple-axis internal aperture expansion" was invented by Yochay Danziger (Kfar Vradim, Israel) and Elad Sharlin (Mishmar David, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical device includes a lightguide having a first pair of external surfaces parallel to each other, and at least two sets of facets. Each of the sets including a plurality of partially reflecting facets parallel to each other, and between the first pair of external surfaces. In each of the sets of facets, the respective facets are at an oblique angle relative...