ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,614, issued on Nov. 18, was assigned to SHENZHEN GUANGYI TECH Co. LTD. (Shenzhen, China).
"Electrochromic device" was invented by Jiazhi He (Shenzhen, China), Guoyang Hu (Shenzhen, China) and Yanhang Lu (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides an electrochromic device, which comprises a first substrate layer, a first conductive layer, a solid-state color changing layer, a second conductive layer and a second substrate layer which are stacked in sequence. A varnish layer is disposed at an edge region of the first conductive layer and/or an edge region of the second conductive layer. The Dyne val...