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SCIESCOPUS
An efficiency droop model of the saturated radiative recombination rate and its verification by radiative and nonradiative carrier lifetime measurements in InGaN-based light emitting diodesGo to Link

Shim, Jong-In; Kim, Hyunsung; Shin, Dong Soo; Ryu, Han-Youl

ArticleIssue Date2011CitationProceedings of SPIE - The International Society for Optical Engineering, v.7939, pp 1 - 8PublisherSPIE
SCISCIESCOPUS
Analysis of efficiency droop in nitride light-emitting diodes by the reduced effective volume of InGaN active materialGo to Link

Ryu, Han-Youl; Shin, Dong-Soo; Shim, Jong-In

ArticleIssue Date2012CitationApplied Physics Letters, v.100, no.13, pp 1 - 5PublisherAmerican Institute of Physics
SCISCIESCOPUS
Analysis of Time-resolved Photoluminescence of InGaN Quantum Wells Using the Carrier Rate EquationGo to Link

Kim, Hyunsung; Shin, Dong-Soo; Ryu, Han-Youl; Shim, Jong-In

ArticleIssue Date2010CitationJapanese Journal of Applied Physics, v.49, no.11, pp 1 - 5PublisherIOP Publishing Ltd
SCISCIESCOPUS
Effect of current spreading on the efficiency droop of InGaN light-emitting diodesGo to Linkopen access

Ryu, Han-Youl; Shim, Jong-In

ArticleIssue Date2011CitationOptics Express, v.19, no.4, pp 2886 - 2894PublisherOptical Society of America
SCISCIESCOPUS
Efficiency and Electron Leakage Characteristics in GaN-Based Light-Emitting Diodes Without AlGaN Electron-Blocking-Layer StructuresGo to Link

Ryu, Han-Youl; Shim, Jong-In; Kim, Cheol-Hoi; Choi, Jin Hyoung; Jung, Hyun Min; Noh, Min-Soo; Lee, Jong-Moo; Nam, Eun-Soo

ArticleIssue Date2011CitationIEEE Photonics Technology Letters, v.23, no.24, pp 1866 - 1868PublisherInstitute of Electrical and Electronics Engineers
SCISCIESCOPUSKCI
Estimate of the Nonradiative Carrier Lifetime in InGaN/GaN Quantum Well Structures by Using Time-resolved PhotoluminescenceGo to Link

Kim, Hyunsung; Han, Dong-Pyo; Oh, Ji-Yeon; Shim, Jong-In; Shin, Dong-Soo; Ryu, Han-Youl

ArticleIssue Date2012CitationJournal of the Korean Physical Society, v.60, no.11, pp 1934 - 1938Publisher한국물리학회
SCIESCOPUS
GaAs-based red micro-light-emitting diodes with an oxide perimeter region for improved external quantum efficiencyGo to Linkopen access

Min, Sangjin; Choi, Won-Jin; Kim, Dong Hwan; Kim, Keuk; Park, Jaehyeok; Ryu, Han-Youl; Shim, Jong-In; Shin, Dong-Soo

ArticleIssue Date2024CitationAIP Advances, v.14, no.10, pp 1 - 5PublisherAmerican Institute of Physics Inc.
SCIESCOPUS
Inhomogeneous carrier distribution in InGaN multiple quantum wells and its influences on device performancesGo to Link

Ryu, Han-Youl; Shim, Jong-In

ArticleIssue Date2011CitationProceedings of SPIE - The International Society for Optical Engineering, v.7939, pp 1 - 10PublisherSPIE
SCIESCOPUS
Investigation of light extraction efficiency in AlGaN deep ultraviolet LEDs using FDTD simulationsGo to Linkopen access

Ryu, Han-Youl; Shim, Jong In

ArticleIssue Date2013Citation13th International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD 2013, pp 115 - 116PublisherIEEE
SCISCIESCOPUS
Investigation of Light Extraction Efficiency in AlGaN Deep-Ultraviolet Light-Emitting DiodesGo to Link

Ryu, Han-Youl; Choi, Il-Gyun; Choi, Hyo-Sik; Shim, Jong-In

ArticleIssue Date2013CitationApplied Physics Express, v.6, no.6, pp 1 - 5PublisherJapan Soc of Applied Physics
SCISCIESCOPUSKCI
Investigation of the Carrier Distribution Characteristics in InGaN Multiple Quantum Wells by Using Dual-wavelength Light-emitting DiodesGo to Link

Lim, Hyun-Soo; Shim, Jong-In; Yoo, Kyungyul; Ryu, Han-Youl

ArticleIssue Date2011CitationJournal of the Korean Physical Society, v.58, no.2, pp 311 - 315Publisher한국물리학회
SCISCIESCOPUS
Measurement of Internal Electric Field in GaN-Based Light-Emitting DiodesGo to Link

Park, Su-Ik; Lee, Jong-Ik; Jang, Dong-Hyun; Kim, Hyun-Sung; Shin, Dong-Soo; Ryu, Han-Youl; Shim, Jong-In

ArticleIssue Date2012CitationIEEE Journal of Quantum Electronics, v.48, no.4, pp 500 - 506PublisherInstitute of Electrical and Electronics Engineers
SCOPUS
Numerical investigation of light extraction efficiency in AlGaN deep ultraviolet light-emitting diodesGo to Link

Ryu, Han-Youl; Choi, Il-Gyun; Choi, Hyo-Sik; Shim, Jong In

ArticleIssue Date2013CitationPacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest, pp 1 - 2PublisherIEEE
SCIESCOPUS
Rate equation analysis of efficiency droop in InGaN light-emitting diodesGo to Link

Ryu, Han-Youl; Kim, Hyun-Sung; Shim, Jong-In

ArticleIssue Date2009CitationApplied Physics Letters, v.95, no.8, pp 1 - 4PublisherAmerican Institute of Physics
SCISCIESCOPUS
Structural Parameter Dependence of Light Extraction Efficiency in Photonic Crystal InGaN Vertical Light-Emitting Diode StructuresGo to Link

Ryu, Han-Youl; Shim, Jong-In

ArticleIssue Date2010CitationIEEE Journal of Quantum Electronics, v.46, no.5, pp 714 - 720PublisherInstitute of Electrical and Electronics Engineers
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