Information & Opto-Energy
Materials (IOEM) Laboratory

Enhanced size-dependent efficiency of InGaN/AlGaN nearultraviolet micro-LEDs

Abu Bashar Mohammad Hamidul Islam, Tae Kyoung Kim, Yu-Jung Cha, Joosun Yun, June-O Song, Dong-Soo Shin, Jong-In Shim, Joon Seop Kwak

APPLIED PHYSICS LETTERS 126 0453503 (2025)

Temperature-Induced Stress Performance of High-Density GaN Micro-LED Arrays for Industrial Mass Production

Eun Jeong Youn, Tae Kyoung Kim, Abu Bashar Mohammad Hamidul Islam, Jiwon Kim, Eun-Kyung Chu, Yunhee Shin, Sang Hyun Jung, Young Su Choi, Dong-Soo Shin, Jong-In Shim, Joon Seop Kwak, Hyeong-Ho Park

ACS Applied Electronic Materials 6 8819-8827 (2024)

Accurate Modeling for Small-Signal Response Analysis in GaInN/GaN-Based Micro-Light-Emitting Devices

Changeun Park, Tae Kyoung Kim, Joon Seop Kwak, Dong-Pyo Han

ACS Photonics 11 4933-4940 (2024)

Temperature-Dependent Efficiency Droop in GaN- Based Blue Micro Light-Emitting Diodes

Abu Bashar Mohammad Hamidul Islam, Tae Kyoung Kim, Yu-Jung Cha, Dong-Soo Shin, Jong-In Shim and Joon Seop Kwak

ECS Journal of Solid State Science and Technology 12(125002) 2162-8777 (2023)

Determining the Turn-On Voltage of GaN-Based Light-Emitting Diodes: From Near-Ultraviolet to Green Spectra

Abu Bashar Mohammad Hamidul Islam, Dong-Soo Shin, Joon Seop Kwak and Jong-In Shim

ECS Journal of Solid State Science and Technology 12(126001) 2162-8777 (2023)

Experimental Probing of the Bias Dependent Self-Heating in AlGaN/GaN HEMTs With a Transparent Indium Tin Oxide…

Anwarul Karim, Tae Kyoung Kim, Daniel Shoemaker, Yiwen Song, Joon Seop Kwak, Sukwon Choi

International Electronic Packaging Technical Conference and Exhibition 86557 V001T09A011 (2022)

Generation of sidewall defects in InGaN/GaN blue micro-LEDs under forward-current stress

Abu Bashar Mohammad Hamidul Islam, Tae Kyoung Kim, Dong-Soo Shin, Jong-In Shim, Joon Seop Kwak

Applied Physics Letters 121 (1) 013501 (2022)

Demonstration of Efficient Ultrathin Side-Emitting InGaN/GaN Flip-Chip Light-Emitting Diodes by Double Side Re…

Tae Kyoung Kim, Abu Bashar Mohammad Hamidul Islam, Yu-Jung Cha, Seung Hyun Oh, Joon Seop Kwak

Nanomaterials 12 (8) 1342

Size-dependent variation of efficiency in InGaN-based flip-chip near ultraviolet and blue micro light-emitting…

ABM Hamidul Islam, Tae Kyoung Kim, Yu-Jung Cha, Jae Won Seo, Dong-Soo Shin, Jong-In Shim, Joon Seop Kwak

Light-Emitting Devices, Materials, and Applications XXVI PC1202217

Precise performances of InGaN/GaN-based sidewall emitted light-emitting diodes for ultrathin backlight unit

Tae Kyoung Kim, ABM Hamidul Islam, Yu-Jung Cha, Jae Won Seo, Joon Seop Kwak

Gallium Nitride Materials and Devices XVII PC120011M (2022)