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Developing deep‐blue emitters for organic light‐emitting diodes (OLEDs) is critical but challenging, which requires a good balance between light color, exciton utilization, and photoluminescence quantum yield (PLQY) of solid film. Herein, a high‐quality deep‐blue emitter, abbreviated 2TriPE‐CzMCN, is designed by introducing an aggregation‐induced emission (AIE) group into a crossed long‐short axis...
Organic Light‐Emitting Diodes
In article number 2308468, Han Zhang, Zhiming Wang, Ben Zhong Tang, and co‐workers present a high‐quality deep‐blue emitter with a crossed long‐short axis skeleton, which combines aggregation‐induced emission and “hot exciton” mechanism and realizes versatile high‐performance organic light‐emitting diodes (OLEDs), including efficiency‐beating blue aggregation‐induced...
The pursuit for efficient deep blue material is an ever‐increasing issue in organic optoelectronics field. It is a long‐standing challenge to achieve high external quantum efficiency (EQE) exceed 10% at brightness of 1000 cd m−2 with a Commission International de L'Eclairage (CIEy) <0.08 in non‐doped organic light‐emitting diodes (OLEDs). Herein, this study reports a deep blue luminogen, PPITPh,...
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