Rational Design of Highly Efficient Orange‐Red/Red Thermally Activated Delayed Fluorescence Emitters with Submicrosecond Emission Lifetimes. - Hu, Jia‐Xuan; Jiang, Shanshan; Zhang, Dong‐Hai; Zhao, Tianxiang; Lin, Fu‐Lin; Meng, Lingyi; Chen, Xu‐Lin; Lu, Can‐Zhong (Advanced Science, 2023)