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Hyunwook Shim

Samsung

13

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563

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S6-G4: High injection and efficiency droop in GaInN light-emitting diodes

2014
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Effect of Quantum Barrier Thickness in the Multiple-Quantum-Well Active Region of GaInN/GaN Light-Emitting Diodes

2013 IEEE Photonics Journal
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GaInN light-emitting diodes using separate epitaxial growth for the p-type region to attain polarization-inverted electron-blocking layer, reduced electron leakage, and improved hole injection

2013 Applied Physics Letters
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Identifying the cause of the efficiency droop in GaInN light-emitting diodes by correlating the onset of high injection with the onset of the efficiency droop

2013 Applied Physics Letters
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Genetic Algorithm for Innovative Device Designs in High-Efficiency III-V Nitride Light-Emitting Diodes

2012 Applied Physics Express
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Analytic model for the efficiency droop in semiconductors with asymmetric carrier-transport properties based on drift-induced reduction of injection efficiency

2012 Applied Physics Letters
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Asymmetry of carrier transport leading to efficiency droop in GaInN based light-emitting diodes

2011 Applied Physics Letters
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Effects of polarization-field tuning in GaInN light-emitting diodes

2011 Applied Physics Letters
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Improvement of GaN-based light-emitting diodes using p-type AlGaN/GaN superlattices with a graded Al composition

2011 Journal of Physics D
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Improvement of efficiency droop in InGaN/GaN multiple quantum well light-emitting diodes with trapezoidal wells

2010 Journal of Physics D
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Citations (45)