ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,870, issued on Dec. 23, was assigned to Lann Ray Optoelectronics (Zhenjiang) Co. Ltd. (Zhenjiang, China).
"Electrochromic films with edge protection" was invented by Zhao Chen (Camarillo, Calif.), Jian Wang (Fremont, Calif.) and Yan Zhou (Fremont, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a method for preparing an electrochromic device. The method includes placing an edge protection material on a first and second substrates, placing a first and second interlayers respectively within the edge protection material on the first and second substrates, wherein the edge protection material surrounds edges of th...