ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,775, issued on Sept. 16, was assigned to GENIUS ELECTRONIC OPTICAL (XIAMEN) Co. LTD. (Xiamen, China).
"Spacer assembly" was invented by Junya Liu (Fujian, China), Dongsheng Chen (Fujian, China), Haibin Zhan (Fujian, China) and Ziwen Xu (Fujian, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A spacer assembly suitable of being applied in an optical imaging lens is provided. The spacer assembly includes a front spacer, a rear spacer, and a middle light-shielding sheet. The front spacer, the middle light-shielding sheet, and the rear spacer are sequentially arranged from an object side to an image side. Each of the front spacer and the rear spac...