Information & Opto-Energy
Materials (IOEM) Laboratory

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)

Effect of Defects on Strain Relaxation in InGaN/AlGaN Multiple‐Quantum‐Well Near‐Ultraviolet Light‐Emitting Di…

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

physica status solidi (a) 219 (2) 2100418 (2022)

32× 32 pixelated high-power flip-chip blue micro-LED-on-HFET arrays for submarine optical communication

TK Kim, ABMH Islam, YJ Cha, JS Kwak

Nanomaterials 11 (11) 3045 (2021)

Ultraviolet-Cathodoluminescent 330 nm light source from a 2-inch wide CNT electron-beam emission under DC elec…

Manoj Kumar Chandra Mohan, Sang Kyun Shim, Moon Uk Cho, Tae Kyoung Kim, Joon Seop Kwak, Joonmo Park, Nakwon Jang, Sang-Wan Ryu, Naesung Lee, June Key Lee

Current Applied Physics 28 72-77 (2021)

Effect of Thermal Interface Materials on Heat Dissipation of Light-Emitting Diode Headlamps with Thermally-Con…

Dong Kyu Lee, Yu-Jung Cha, Joon Seop Kwak

Journal of Nanoscience and Nanotechnology 21 (7) 3721-3728 (2021)

Study and application of birefringent nanoporous GaN in the polarization control of blue vertical-cavity surfa…

Rami T Elafandy, Jin-Ho Kang, Chenziyi Mi, Tae Kyoung Kim, Joon Seop Kwak, Jung Han

ACS Photonics 8 (4) 1041-1047 (2021)