ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,542, issued on March 17, was assigned to BOE Technology Group Co. Ltd. (Beijing).
"Filter, manufacturing method therefor and electronic device" was invented by Yingwei Liu (Beijing), Zhonglan Zhao (Beijing), Zhanfeng Cao (Beijing) and Ke Wang (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A filter, a manufacturing method therefor, and an electronic device are provided. The filter includes a first substrate and a second substrate disposed opposite to each other, and a connection substrate disposed therebetween, wherein at least one first substrate electrode is disposed on the first substrate, at least one second substrate electrode is dispo...