Chen, Z., Li, Z., Tian, Y., Liu, D., Yang, Z., Li, M., Su, S. (2025). Narrow‐Band Dibenzoselenophene‐Based Emitter with Rapid Triplet Conversion for Versatile OLED Applications with Superior Roll‐Off Suppression. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.202507626