US Patent Issued to KOLON INDUSTRIES on May 5 for "Optical film with improved optical properties, display apparatus comprising same, and manufacturing method therefor" (South Korean Inventors)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,619,005, issued on May 5, was assigned to KOLON INDUSTRIES INC. (Seoul, South Korea).

"Optical film with improved optical properties, display apparatus comprising same, and manufacturing method therefor" was invented by Doo Li Choi (Seoul, South Korea) and Hak-Gee Jung (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides an optical film comprising a polymer resin, which comprises a first repeating unit, a second repeating unit, a third repeating unit and a fourth repeating unit, wherein the optical index of the film is 1.0%/GU or more, the first repeating unit is an imide repeating unit derived from a first dia...