Ji Hyung Moon

Abstract 779: Hypoxia-driven epithelial reprogramming elevates CD46 and promotes vasculogenic mimicry in immune-desert NSCLC.

Minyeop Kim, Youwon Lee, Seung Yeon Oh, Eun Ji Lee et autres

Abstract Introduction: Immune-desert non-small cell lung cancer (NSCLC) presents a major challenge for immunotherapy due to poor T-cell infiltration despite the presence of tumor antigens. While immune suppression in these tumors is well recognized, the contributions of epithelial and stromal compartments to …

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Abstract 7035: CD24 as a therapeutic vulnerability in osimertinib-induced drug-tolerant persister cells of EGFR-mutant NSCLC.

Ji Ae Ko, Ji Hyung Moon, Youwon Lee, Minjung Kim et autres

Abstract Drug-tolerant persister (DTP) cells survive therapeutic pressure and drive residual disease, limiting the long-term efficacy of targeted therapies. The third-generation epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor (TKI) osimertinib has markedly improved outcomes for patients with EGFR-mutant non-small cell lung …

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Supplement material of stress-induced red micro-LEDs

Abu Bashar Mohammad Hamidul Islam, Hyeondong Lee, Tae Kyoung Kim, Dong-Min Jeon et autres

Stress-induced efficiency degradation mechanism of InGaN-based red micro-LEDs depending on their size

Supplement material of stress-induced red micro-LEDs

Abu Bashar Mohammad Hamidul Islam, Hyeondong Lee, Tae Kyoung Kim, Dong-Min Jeon et autres

Stress-induced efficiency degradation mechanism of InGaN-based red micro-LEDs depending on their size

Stress-induced efficiency degradation mechanism of InGaN-based red micro-LEDs depending on their size

Dong-Min Jeon, Hyeondong Lee, Ji Hyung Moon, Jong‐In Shim et autres

This study systematically investigates the influence of forward current-induced stress on the optoelectronic performance of InGaN/GaN-based red micro light-emitting diodes (micro-LEDs) with pixel sizes of 20×20 μm2 and 40×40 μm2. A constant forward current density of 3 A/cm2 was applied for 420 …

Stress-induced efficiency degradation mechanism of InGaN-based red micro-LEDs depending on their size

Abu Bashar Mohammad Hamidul Islam, Hyeondong Lee, Tae Kyoung Kim, Dong-Min Jeon et autres

This study systematically investigates the influence of forward current-induced stress on the optoelectronic performance of InGaN/GaN-based red micro light-emitting diodes with pixel sizes of 20 × 20 and 40 × 40 μm2. A constant forward current density of 3 A/cm2 was applied …

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Improved Light Output of AlGaInP-Based Micro-Light Emitting Diode Using Distributed Bragg Reflector

Sang-Youl Lee, Ji Hyung Moon, Yong-Tae Moon, Chung Song Kim et autres

We investigated how the performance and reliability of AlGaInP-based red (620 nm) micro-light-emitting diodes (micro-LEDs) (25 × 17 μm2) were influenced by the use of n-AlInP ohmic layer and distributed Bragg reflector (DBR). The AlGaAs-based DBR showed reflectivity of 94.9% at 622 …

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Using SiO 2 -Based Distributed Bragg Reflector to Improve the Performance of AlGaInP-Based Red Micro-Light Emitting Diode

Sang-Youl Lee, Ji Hyung Moon, Yong‐Tae Moon, Byoungjun Choi et autres

We have investigated how different types of the reflectors affected the optical and electrical performance of AlGaInP-based micro-LEDs. Simulations showed that the AlGaAs-based epitaxial distributed Bragg reflector (DBR) had a stopband at the 610–624 nm region with reflectivity of 90%, the SiO …

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Night Knights: reminding children that their nighttime fear isn't something they have to face alone

Ji Hyung Moon

Night Knights are shining toy guardians that children bring to life through play. They engage children’s imagination that inevitably fuels their nighttime fear, and provide a chance to create stories of bravely confronting their fears through their Night Knights.

Light output performance of red AlGaInP-based light emitting diodes with different chip geometries and structures

Jeong-Tak Oh, Sang-Youl Lee, Yong-Tae Moon, Ji Hyung Moon et autres

than the LED with 20 pairs of MQWs. These results show that the optimization of the number of QWs is needed to obtain maximum EQE of micro-LEDs.

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The Usefulness of the Hot Pack as a Complementary Technique for the Treatment of Non-specific Abdominal Pain or Acute Gastroenteritis in an Emergency Department

Ji Hyung Moon, Jung Hwan Ahan, Cho Gyu, Choong Hyun Jo et autres

Purpose: The aim of this study was to determine the effectiveness of the hot pack as a complementary technique for the treatment of nonspecific abdominal pain or acute gastroenteritis in a hospital emergency department. Methods: This study was conducted as a prospective …