 The design of 4IR-3, metal complexes that exhibit efficient true blue emissions and fast radiative decay lifetimes allows for the mass production of hyper-OLEDs with a true blue color, full width at half maximum of 18 nanometers, maximum external quantum efficiency of 35.5% and high external quantum efficiency of 20.3% at 5,000 candelas M2, paving the way for innovative blue OLED technology. This article was authored by Jie Yang, Dong Yingju, Liang Shengliou, and others.