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Byeongheon Song

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Articles

Magnetic Electroluminescent response as a predictive indicator of operational lifetime in phosphorescent blue OLEDs

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By Jeoungmin Ji, Young Hun Jung, Eun-Jeong Jang, Jooyeon Oh, Jae-Hyun Lee, Jang Hyuk Kwon, Seunghyup Yoo, Byeongheon Song
| Nature Verified
Abstract Improving operational lifetime remains a major challenge for blue organic light-emitting diodes (OLEDs) harvesting triplet excitons. Achieving substantial lifetime enhancement requires analytical techniques that elucidate degradation mechanisms. Because conventional lifetime analysis involves destructive aging tests, developing non-invasive methods that correlate strongly with device longevity is highly desirable.
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