US Patent Issued to Dai Nippon Printing on March 4 for "Optical film, polarizing plate, surface plate for image display device, and image display device" (Japanese Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,242,095, issued on March 4, was assigned to Dai Nippon Printing Co. Ltd. (Tokyo).

"Optical film, polarizing plate, surface plate for image display device, and image display device" was invented by Seiichi Isojima (Okayama, Japan), Junya Eguchi (Okayama, Japan), Takashi Kuroda (Moriya, Japan) and Hiroki Nakagawa (Okayama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an optical film that, when being incorporated into an image display device, can suppress the image display device from appearing pale. An optical film including a UV-absorbing layer containing a UV-absorbing agent B on a plastic film containing a UV-absorbing agent A, wher...