Molecular Design and Synthesis of Narrowband Near‐Ultraviolet and Pure Deep‐Blue Thermally Activated Delayed Fluorescence Materials by an Ether Group Strategy. - Kitamoto, Yuichi; Ogawa, Atsuya; Inakawa, Masaya; Fujimoto, Yutaka; Koshimizu, Masanori; Oda, Kazuma; Taka, Hideo; Kita, Hiroshi; Hattori, Tetsutaro (Angewandte Chemie, 2025)