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Herein, the authors designed and synthesized a series of blue\u2010emitting Ir(III) phosphors (<jats:italic>f<\/jats:italic>\u2010ct9a\u2013c), featuring <jats:italic>fac<\/jats:italic>\u2010coordinated cyano\u2010imidazo[4,5\u2010b]pyridin\u20102\u2010ylidene cyclometalates. These Ir(III) complexes exhibit true\u2010blue emission with a peak maximum spanning 448\u2013467 nm, with high photoluminescence quantum yields of 81\u201388% recorded in degassed toluene. Moreover, OLED devices bearing phosphors <jats:italic>f<\/jats:italic>\u2010ct9a and <jats:italic>f<\/jats:italic>\u2010ct9b deliver maximum external quantum efficiencies (EQE<jats:sub>max<\/jats:sub>) of 25.9% and 30.3%, together with Commission Internationale de L'Eclairage (CIE<jats:italic><jats:sub>x,y<\/jats:sub><\/jats:italic>) coordinates of (0.157, 0.225) and (0.142, 0.169), respectively. Remarkably, the <jats:italic>f<\/jats:italic>\u2010ct9b\u2010based device displays an incredible EQE of 29.0% at 5000 cd\u00b7m<jats:sup>\u22122<\/jats:sup>. The hyper\u2010OLED device based on <jats:italic>f<\/jats:italic>\u2010ct9b and \u03bd\u2010DABNA exhibits an EQE<jats:sub>max<\/jats:sub> of 34.7% and CIE<jats:sub>x,y<\/jats:sub> coordinates of (0.122, 0.131), affirming high potentials in achieving efficient blue electroluminescence.<\/jats:p>","DOI":"10.1002\/advs.202309389","type":"journal-article","created":{"date-parts":[[2024,5,1]],"date-time":"2024-05-01T01:40:56Z","timestamp":1714527656000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":27,"title":["Ir(III) Metal Emitters with Cyano\u2010Modified Imidazo[4,5\u2010b]pyridin\u20102\u2010ylidene Chelates for Deep\u2010Blue Organic Light\u2010Emitting Diodes"],"prefix":"10.1002","volume":"11","author":[{"given":"Yixin","family":"Wu","sequence":"first","affiliation":[{"name":"Department of Chemistry Department of Materials Science and Engineering Center of Super\u2010Diamond and Advanced Films (COSDAF) City University of 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