Liu, F., Su, Z., Cheng, Z., Chen, D., Xu, Y., Yan, Y., Dong, W., Wan, L., Zysman‐Colman, E., Lu, P. (2025). Judicious Use of Chalcogens in Multiresonant Thermally Activated Delayed Fluorescent Emitters Leads to OLEDs with Efficiencies Exceeding 36% and Showing Mild Efficiency Roll‐Off. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.202511866