ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,382, issued on May 12, was assigned to Faith Billion Technology Development Ltd. (Wanchai, Hong Kong).

"One-way homogeneous beam expanding screen and three-dimensional display device" was invented by Zengxiang Lu (Hong Kong, Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "An one-way homogeneous beam expanding screen (20) and a three-dimensional display device. The one-way homogeneous beam expanding screen (20) comprises a lenticular grating (22) and at least one linear Fresnel lens (21); the linear Fresnel lens (21) is located between a projection unit (10) and the lenticular grating (22); the linear Fresnel lens (21) comprises a plurality o...