Publications

Journal publications

1. M.J. Kim^†, J. Kim^†, S. Yoo*, “Near-planar light outcoupling structures with finite lateral dimensions for ultra-efficient and optical crosstalk-free OLED displays” Nature Communications 16 (2025): 11606, DOI: 10.1038/s41467-025-66538-6.
   ✨ Highlighted in TechXplore
2. M.J. Kim^†, D. Choi^†, C.-h. Kang, S. Yoo*, “Ultralow-power carbon dioxide sensor for real-time breath monitoring.” Device 3.5 (2025): 100681, DOI: 10.1016/j.device.2024.100681.
   ✨Highlighted in KAIST Youtube
   🏆Representative Research Outcome of KAIST Engineering

Presentations

1. M.J. Kim, M. Brongersma*, G. Hong*, “Active switching of optical transparency for optical neural networks”, Wu Tsai Neuro Retreat, 2026 (Oral), Mountain View, CA, United States
2. M.J. Kim, J. Kim, S. Yoo*, “Near-planar light outcoupling structures for ultra-efficient OLED displays”, The Society for Information Display, 2026 (Poster), Los Angeles, CA, United States
   ✨Student Travel Grant
3. M.J. Kim, “Breaking the wall of display brightness”, Falling Walls Lab San Francisco Bay Area, 2026 (Oral), San Francisco, CA, United States
   🏆First Place
4. M.J. Kim, J. Kim, S. Yoo*, “Near-planar light outcoupling structure for ultra-efficient organic light-emitting diodes”, William Nix Lecture Poster Session, 2026 (Poster), Stanford, CA, United States
5. M.J. Kim, J. Kim, S. Yoo*, “Near-planar light outcoupling structure for ultra-efficient organic light-emitting diodes”, UC Berkeley-Stanford Academic Conference, 2025 (Oral), Mountain View, CA, United States
   🏆Best Presentation Award
6. M.J. Kim, J. Kim, S. Yoo*, “Ultralow-power and highly stable carbon dioxide sensor for real-time breath monitoring”, KAIST Research Day, 2025 (Oral, Invited), Daejeon, South Korea
   🎥Recorded presentation
7. M.J. Kim, J. Kim, S. Yoo*, “Ultralow-power and highly stable carbon dioxide sensor for real-time breath monitoring”, KAIST URP Workshop, 2024 (Oral), Daejeon, South Korea
   🏆Grand Prix
8. M.J. Kim, J. Kim, S. Yoo*, “Near-planar light outcoupling structure for ultra-efficient organic light-emitting diodes”, Optics and Photonics Congress, 2024 (Oral), Jeju, South Korea
   🏆Best Paper Award
9. M.J. Kim, H. Cho*, “Effective passivation of quasi-2D perovskites enabled by π-conjugated planar molecules”, 7^th International Conference on Advanced Electromaterials (ICAE), 2023 (Oral), Jeju, South Korea
10. M.J. Kim, E. Rousakis, V. Lozano, C. Evans*, “Intrinsically stretchable pCO₂ sensor enabled by multi-functional block copolymer matrices”, Harvard-MIT Summer Institute at MGH, 2023 (Poster), Boston, MA, United States
    🏆People’s Choice Award
11. M.J. Kim, S. Shin, H. Cho*, “Highly luminescent and stable quasi-2D perovskites based on multi-functional asymmetric spacer”, KAIST URP Workshop, 2023 (Oral), Daejeon, South Korea
    🏆Grand Prix
12. M.J. Kim, S. Shin, H. Cho*, “Highly luminescent and stable quasi-2D perovskites based on multi-functional asymmetric spacer”, Spring Meeting of Korean Institute of Metals and Materials, 2023 (Poster), Jeju, South Korea
    🏆Best Poster Presentation Award

Patents

1. M.J. Kim, S. Yoo*, “Optical film comprising plurality of light-absorbing elements, and light-emitting diode comprising optical film”, KR-10-2025-0197889
2. M.J. Kim, S. Yoo*, “Light emitting device comprising optical structure minimizing angular color shift and method for forming the structure thereof”, KR-10-2025-0117210
3. M.J. Kim, S. Yoo*, “Light emitting device for efficient light extraction and method for determining its structure”, KR-10-2024-0201956
4. H. Cho*, M.J. Kim, “Semiconductor material with passivation molecule giving π-conjugation electron density and method for manufacturing the same”, KR-10-2023-0167999
5. H. Cho*, M.J. Kim^†, S. Shin^†, “Perovskite material including muti-functional asymmetric organic spacer and light-emitting device including the same”, KR-10-2023-0118990

Media coverage

1. “Gwangju Science Academy Alumni Relay Interview Series - MinJae Kim”, 2026
   🎥Interview (Gwangju Science Academy Alumni Association)
2. “학부생 아이디어로 OLED 밝기 효율 2배↑…플렉서블 적용 가능”, 2026
   📰Online news (동아사이언스)
3. “KAIST engineers low-power carbon dioxide sensor for real-time health monitoring”, 2025
   🎥Interview (KAIST YouTube) 📰Online news (Chosun Biz)
4. “Connecting Dots in Your Undergraduate Life”, 2022
   🎥Invited talk (KAIST Tip Talk)
5. “자랑스러운 청소년대상 학술부문 수상 - 김민재”, 2021
   🎥Interview (한국스카우트연맹) 📰Online news (KAIST DMSE)
6. “실패 극복하고 용기 주는 교육자 희망”, 2021
   📰Online news (전남매일)
7. “‘도전하는 재료과학도’ 육군수도군단 10화생방대대 김민재 상병”, 2021
   🎥Interview (국방일보) 📰Online news (국방일보)