US Patent Issued to Dai Nippon Printing on Aug. 18 for "Optical biaxially stretched plastic film, polarizing plate, image display device, and method of selecting optical biaxially stretched plastic film" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,577, issued on Aug. 18, was assigned to Dai Nippon Printing Co. Ltd. (Tokyo).

"Optical biaxially stretched plastic film, polarizing plate, image display device, and method of selecting optical biaxially stretched plastic film" was invented by Yoshiko Tanaka (Tokorozawa, Japan), Shosei Kubota (Kashiwa, Japan), Norio Ishii (Nagareyama, Japan), Takashi Kuroda (Moriya, Japan), Hiroaki Segawa (Nagareyama, Japan) and Akinobu Ushiyama (Moriya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are an optical biaxially stretched plastic film, a polarizing plate, and an image display device that can suppress blackouts when viewed with polarized su...