ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,532, issued on Feb. 10, was assigned to QINGDAO ZHUOYINGSHE TECHNOLOGY Co. LTD. (Qingdao, China).
"Composite surface light source of refrigerator air duct and manufacturing method thereof" was invented by Enhui Wang (Qingdao, China), Tao Wang (Qingdao, China), Xinzhong Xie (Qingdao, China) and Xia Wang (Qingdao, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The application provides a composite surface light source of a refrigerator air duct, comprising: a diffusion layer; a light guide layer; a wire harness, connected with a LED light bar; and an air duct injection mold, arranged as a sunken frame structure, and a glue-dispensing groove and a...