ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,317, issued on Sept. 9, was assigned to SINTAI OPTICAL (SHENZHEN) Co. LTD. (Shenzhen, China) and ASIA OPTICAL Co. INC. (Taichung, Taiwan).
"Lens assembly" was invented by An-Kai Chang (Taichung, Taiwan) and Wen-Chieh Chen (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lens assembly includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. The first lens is a meniscus lens with negative refractive power. The second lens is with positive refractive power and includes a convex surface facing an image side. The third lens is a meniscus lens with positive refractive power. The fourth lens is with positive r...