ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,392, issued on March 31, was assigned to HYUNDAI MOTOR COMPANY (Seoul, South Korea), KIA Corp. (Seoul, South Korea) and SL Corp. (Daegu, South Korea).

"Pattern electrode structure for electrowetting device" was invented by Kwang-Joon Han (Seongnam-si, South Korea), Yu-Bin Jeon (Busan, South Korea), Byung-Kyu Cho (Hwaseong-si, South Korea), Sung-Hun Han (Gyeongsan-si, South Korea), Hong-Jun Cha (Gyeongsan-si, South Korea) and Young-Ern Jung (Daegu, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pattern electrode structure for an electrowetting device is laminated between a base material and a dielectric layer of the electrowetting devi...