ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,926, issued on Nov. 11, was assigned to TOYOBO Co. LTD. (Osaka, Japan).

"Polyester film and use thereof" was invented by Shotaro Nishio (Tsuruga, Japan), Mei Matsumura (Tsuruga, Japan) and Akira Shimizu (Tsuruga, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In order to provide a foldable display that is suitable for mass production and that has no risk of image distortion at its folding portion after the display is repeatedly folded, the invention provides a polyester film for foldable displays in which no cracks occurs in the folding portion. In particular, the invention provides a polyester film for a foldable display, the film having a th...