GENEVA, July 9 -- 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/JP2024/045409) for "RETARDATION FILM, ELLIPTICALLY POLARIZING PLATE, AND ORGANIC EL DISPLAY DEVICE" on Dec 23, 2024. With publication no. WO/2025/142821, the details related to the patent application was published on Jul 03, 2025.

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