ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,477, issued on Feb. 10, was assigned to TOYOBO Co. LTD. (Osaka, Japan).
"Polarization plate for folding display" was invented by Shotaro Nishio (Tsuruga, Japan), Kiwamu Kawai (Tsuruga, Japan) and Akira Shimizu (Tsuruga, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a polarizing plate for a foldable display free of a risk of causing distortion in an image displayed at a folding portion thereof after being repeatedly folded. The polarizing plate for a foldable display includes: a polarizer; and a polarizer protective film formed of a polyester film laminated on at least one surface of the polarizer, wherein the po...