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Hyun Lee

As seen in: Color Research & Application, Nature, Wiley Online Library, Arthritis Research & Therapy, BMC Cancer, Diagnostic Pathology, Genome Medicine, Journal of Biomedical Science, Journal of Medical Case Reports, Science Magazine and

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Articles

Investigating degradation mechanisms in organic light-emitting diodes using operando electrically pumped spectroscopy

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By Chang Min Lee, Hyun Lee, Mengdi Fu, Muhammad Waheed, Geon Ju Lee, Deepak Rajaram Patil, justin p, Jae Lee, Chul Kim, Insung Ha, Seung Yoon Ryu
| Nature Verified
Abstract Organic light-emitting diodes (OLEDs) have been analyzed using a variety of techniques, each offering unique insights into their performance and degradation, yet conventional electrical diagnostics such as impedance spectroscopy (IS) provide only limited insight into the microscopic origins of failure.
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COVID-19-related role disruption and alcohol use disorder risk among adults in South Korea

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By Hyun Lee, Ji-Sung Hong, Jae-Hyun Kim, Jung Lee, Gyeong-Min Lee
| Nature Verified
Abstract This cross-sectional study examined whether COVID-19–related disruption of occupational, social/leisure, and family roles was associated with alcohol use disorder (AUD) risk among adults in South Korea. We analyzed data from 936 adults aged 20–69 years who participated in the 2022 Chungnam Provincial Mental Health Survey. COVID-19–related disruption was assessed across three role domains and categorized as low, moderate, or high.
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Deterministic, dynamically reconfigurable single quantum emitters enabled by tip-enhanced nano-optical trapping spectroscopy

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By Yeonjeong Koo, Jaehun Shin, Hyeongwoo Lee, Sujeong Kim, Su Jin Kim, Junghoon Jahng, Hyun Lee, P. James Schuck, Yung Doug Suh, Reuven Gordon, Kyoung-Duck Park, Jonggeun Hwang, Hyeonmin Oh
| Nature Verified
Abstract Nanocavity optical trapping has enabled the isolation and precise positioning of nanoscale objects, from single molecules to quantum emitters. Yet, practically deployable single quantum sources require more than trapping, i.e., they require real-time control over position, polarization, brightness, and wavelength. Achieving such dynamic modulation remains a critical challenge, but is key to realizing ultra-secure quantum communication and adaptive quantum sensing.
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