US Patent Issued to Dai Nippon Printing on Nov. 11 for "Optical film, optical-film-equipped polarizing plate, and display device" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,468,070, issued on Nov. 11, was assigned to Dai Nippon Printing Co. Ltd. (Tokyo).

"Optical film, optical-film-equipped polarizing plate, and display device" was invented by Masashi Miyashita (Tokyo), Yuki Katsura (Tokyo) and Kazunobu Ogawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical film according to an embodiment includes a substrate 101, a surface member 102 provided on a front surface of the substrate 101, and an optical functional layer 103 provided on a back surface of the substrate 101. The optical functional layer 103 includes a low-refractive index layer 104 and a high-refractive index layer 105, and an interface between the...