GENEVA, Nov. 3 -- DAI NIPPON PRINTING CO., LTD. (1-1, Ichigaya-kaga-cho 1-chome, Shinjuku-ku, Tokyo1628001), 大日本印刷株式会社 (東京都新宿区市谷加賀町一丁目1番1号) filed a patent application (PCT/JP2025/013845) for "OPTICAL SHEET, LIQUID CRYSTAL DISPLAY DEVICE, AND ORGANIC EL DISPLAY DEVICE" on Apr 07, 2025. With publication no. WO/2025/225347, the details related to the patent application was published on Oct 30, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Or...