ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,408, issued on Feb. 3, was assigned to LG DISPLAY Co. LTD. (Seoul, South Korea) and NANO SOLUTION Co. LTD (Jeonju-si, South Korea).

"Electrophoretic composition and method for preparing the same" was invented by SuJeong Lee (Seoul, South Korea), SungHee Kim (Paju-si, South Korea), Hyungyul Kim (Seongnam-si, South Korea) and HoJun Moon (Jeonju-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to an electrophoretic composition and a method for preparing the same, and more particularly, to an electrophoretic composition which is applicable to a variable transmittance device which uses an electrophoretic method...