ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,730, issued on July 8, was assigned to TOYOBO Co. LTD. (Osaka, Japan).
"Hard coat film for foldable display and use thereof" was invented by Yohei Yamaguchi (Otsu, Japan), Kokichi Tokuo (Otsu, Japan), Shotaro Nishio (Tsuruga, Japan) and Kiwamu Kawai (Tsuruga, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a hard coating film for foldable displays that does not form creases or cracks in the folding portion, and that is also excellent in reducing iridescent colors (interference mottling) caused by fine cracks in an easy-to-adhere resin layer or other layers. The hard coating film for foldable displays contains a polyester film having ...