ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,572, issued on March 25, was assigned to OPTIVISION TECHNOLOGY INC. (Hsinchu, Taiwan).
"Optical composite structure" was invented by Chung-Wei Wang (Hsinchu, Taiwan), Li-Jen Hsu (Zhuangwei Township, Yilan County, Taiwan) and Hao-Ying Hsu (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical composite structure includes first, second and third prism sheets. The first prism sheet has a first light incident surface and a first light exit surface opposite to each other. The second prism sheet has a second light incident surface facing the first light exit surface and a second light exit surface opposite to the second light incident...