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1.
Small ; 19(20): e2206133, 2023 May.
Article in English | MEDLINE | ID: mdl-36793160

ABSTRACT

The quantum dot light-emitting diode (QLED) represents one of the strongest display technologies and has unique advantages like a shallow emission spectrum and superior performance based on the cumulative studies of state-of-the-art quantum dot (QD) synthesis and interfacial engineering. However, research on managing the device's light extraction has been lacking compared to the conventional LED field. Moreover, relevant studies on top-emitting QLEDs (TE-QLEDs) have been severely lacking compared to bottom-emitting QLEDs (BE-QLEDs). This paper demonstrates a novel light extraction structure called the randomly disassembled nanostructure (RaDiNa). The RaDiNa is formed by detaching polydimethylsiloxane (PDMS) film from a ZnO nanorod (ZnO NR) layer and laying it on top of the TE-QLED. The RaDiNa-attached TE-QLED shows significantly widened angular-dependent electroluminescence (EL) intensities over the pristine TE-QLED, confirming the effective light extraction capability of the RaDiNa layer. Consequently, the optimized RaDiNa-attached TE-QLED achieves enhanced external quantum efficiency (EQE) over the reference device by 60%. For systematic analyses, current-voltage-luminance (J-V-L) characteristics are investigated using scanning electron microscopy (SEM) and optical simulation based on COMSOL Multiphysics. It is believed that this study's results provide essential information for the commercialization of TE-QLEDs.

2.
Korean J Gastroenterol ; 72(3): 141-145, 2018 Sep 25.
Article in English | MEDLINE | ID: mdl-30270596

ABSTRACT

Pulmonary extraintestinal manifestation is rare in Crohn's disease and has been reported in only a few cases. Despite the presence of pulmonary abnormalities in a significant proportion of patients with inflammatory bowel disease, there are only few case reports, due to complicated diagnosis and low recognition by clinicians. Currently, treatment guidelines for pulmonary Crohn's disease have not been established. There are some case reports of pulmonary Crohn's disease that achieved remission after infliximab treatment. Clinical and radiological remission of pulmonary extraintestinal involvement in Crohn's disease after adalimumab therapy has not been reported yet. Here, we report one case of lung involvement of Crohn's disease, which shows radiological and clinical remission after adalimumab treatment.


Subject(s)
Adalimumab/therapeutic use , Anti-Inflammatory Agents/therapeutic use , Crohn Disease/drug therapy , Adult , Colonoscopy , Female , Humans , Necrosis , Positron Emission Tomography Computed Tomography , Tomography, X-Ray Computed
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