국립공주대학교 전기전자제어공학부Division of Electrical, Electronic and Control Engineering, KNU

PIXEL

빛은 어떻게 영상이 되고, 전기 신호가 될까요? PIXEL은 빛과 물질의 상호작용, 이미징 광학, 반도체 센서를 연결해 새로운 시각과 센싱 기술을 연구합니다.How does light become an image or an electrical signal? At PIXEL, we connect light–matter interactions, imaging optics and semiconductor sensors to explore new ways of seeing and sensing.

Research Topics

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Conceptual nanostructured surface and enlarged surface features, illustrating how material structure can be designed to influence light.

나노구조 패턴Nanoscale pattern표면 구조 확대Surface features · enlarged구조를 지지하는 기판Supporting substrate

포토닉스Photonics

작은 표면 구조는 빛을 어떻게 바꿀까요? 재료의 구조를 설계하며 반사, 색, 광학적 지문의 원리를 탐구합니다.How do tiny surface structures change light? We explore reflection, colour and optical fingerprints through the design of materials.

Conceptual lens and curved image sensor aligned as an imaging system, with no simulated or invented ray paths.

빛을 모으는 렌즈Lens · collects light곡면 이미지 센서Curved image sensor빛을 검출하는 픽셀Photosensitive pixels

이미징 광학Imaging optics

카메라는 어떻게 더 넓게, 더 적은 빛으로 볼 수 있을까요? 렌즈와 센서를 함께 설계하며 새로운 이미징 방법을 탐구합니다.How can cameras see wider and work with less light? We design lenses and sensors together to explore new imaging possibilities.

Conceptual flexible sensor array with rigid semiconductor islands, compliant interconnects and an enlarged layered detector.

반도체 센서 소자Semiconductor islands층으로 구성된 소자Layered detector변형을 흡수하는 배선Compliant interconnects휘어지는 기판Flexible substrate

광전자 소자와 센서Optoelectronics & sensors

빛을 전기 신호로 바꾸는 반도체에서 출발합니다. 휘어지는 센서와 정보를 기억·처리하는 소자의 원리를 탐구합니다.Light becomes an electrical signal in a semiconductor. We explore how sensors can bend, remember and process information.

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Crystallization-Driven Helical Conjugated Polymer Nanowires for Circularly Polarized Light-Addressable Ferroelectric Physical Unclonable Functions

Ji, J.-M., Park, M., Yoon, J., Hwang, J. H., Kim, Min Seok, Jo, J. Y., Song, Y. M.†, Lee, E.†

Small e75282 (2026) (link)
Revisiting Ferroelectric-Gated Phototransistors: A Tripartite Synapse-Inspired Approach to In-Sensor Image Processing

Lee, Y., Seo, D. H., Lee, J. S., Jeon, J. M., Kim, H. R., Kim, Min Seok, Ahn, C., An, S.-U., Choi, J., Kim, H., Jeong, C. K., Lim, H., Kang, D.-H.†, and Song, Y. M.†

Advanced Materials 38(1), 2503475 (2026) (link)
Hydrogel Thermostat Inspired by Photoprotective Foliage Using Latent and Radiative Heat Control

Heo, S.-Y., Kim, H. R., Shin, Y., Lee, H. S., Kwak, H., Kim, D. H.†, Seo, D. H., Ko, J. H., Jeong, H. E., Chang, S., Kim, Min Seok, Li, L., Mandal, J., Li, W., Kim, D.-H.†, and Song, Y. M.†

Advanced Materials 38(17), 2516537 (2026) (link)
Flexible infrared camouflage eutectic gallium-indium for thermoelectric energy harvesting

Wei, Z., Kim, Min Seok, Yu, Z., Cai, C., Zhou, M., Wang, J., Lei, H., Lu, H., Zhang, Y., Fu, Y., Song, Y. M., Tan, S. C.

Nature Communications 17, 7684 (2026) (link)
Multiplex Optical Unclonable Functions: Advances and Perspectives in Optics and Photonics for Hardware Security

Gandla, S.*, Moon, C.*, Leem, J. W.*, Yoon, J.*, Yun, H. S.*, Kim, Min Seok, Kim, D., Lee, S.†, Yao, Y.†, Alexandropoulos, D.†, Song, Y. M.†, Yoon, D. K.†, Park, W.†, Kim, Y. L.†, and Kim, S.†

ACS Nano 19(30), 27033-27074 (2025) (link)

News

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2026. 08. 01

연구실을 시작합니다The lab is opening

함께 연구할 학생을 찾습니다We are looking for students

2026년 9월에 문을 엽니다. 광학 소자를 직접 만들어 보고 싶은 학부연구생과 대학원생을 찾습니다.We open in September 2026, and we are looking for undergraduate and graduate students who want to build optical devices with their own hands.

지원 안내 보기How to apply