US Patent Issued to BOE Technology Group on May 27 for "Device and method for eliminating stray light of Fresnel lens, and optical apparatus" (Chinese Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,860, issued on May 27, was assigned to BOE Technology Group Co. Ltd. (Beijing).

"Device and method for eliminating stray light of Fresnel lens, and optical apparatus" was invented by Lili Chen (Beijing), Hao Zhang (Beijing), Xue Dong (Beijing), Ruijun Dong (Beijing), Haitao Huang (Beijing) and Jiarong Bai (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a device and a method for eliminating a stray light of a Fresnel lens and an optical apparatus. The device for eliminating a stray light of a Fresnel lens includes: at least one Fresnel lens body, wherein each Fresnel lens body has a flat surface and a concave-convex surface that ...