UNISTBio-inspired Advanced Sensors Laboratory




Publications

International Journals

  1. Jiajia Wu, Abraham Akinin, Jonathan Somayajulu, Min S. Lee, Akshay Paul, Hongyu Lu, Yongjae Park, Seong-Jin Kim, Patrick P. Mercier, and Gert Cauwenberghs, “A Low-Noise Low-Power 0.001Hz–1kHz Neural Recording System-on-Chip with Sample-Level Duty-Cycling,” IEEE Trans. Biomed. Circuits Syst., vol. 18, no. 2, pp. 263-273, Apr. 2024.
  2. Jee-Ho Park, Ji-Hyoung Cha, Yongjae Park, and Seong-Jin Kim, “A VCO-Based 2nd-Order Δ2-ΔΣ Modulator for Small Area and High Energy Efficient Current Sensing Front End,” IEEE Solid-State Circuits Letters, vol. 6, pp. 93-96, Apr. 2023.
  3. Jubin Kang, Yongjae Park, Jung-Hye Hwang, Kieop Hong, Insang Son, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim, “An Indirect Time-of-Flight Sensor with Tetra Pixel Architecture Calibrating Tap Mismatch in a Single Frame,” IEEE Solid-State Circuits Letters, vol. 5, pp. 284-287, Dec. 2022.
  4. Hyeongseok Seo, Gihwan Cho, Seong-Jin Kim, Jung-Hoon Chun, and Jaehyuk Choi, “Multievent Histogramming TDC with Pre-Post Weighted Histogramming Filter for CMOS LiDAR Sensors,” IEEE Sensors J., vol. 22, no. 23, pp. 22785-22798, Dec. 2022.
  5. Ji-Hyoung Cha, Jee-Ho Park, Yongjae Park, Hyogeun Shin, Kyeong Seob Hwang, Il-Joo Cho, and Seong-Jin Kim, “A CMOS Microelectrode Array System With Reconfigurable Sub-Array Multiplexing Architecture Integrating 24,320 Electrodes and 380 Readout Channels,” IEEE Trans. Biomed. Circuits Syst., vol. 16, no. 6, pp. 1044-1056, Dec. 2022.
  6. Seonghyeok Park, Bum-Jun Kim, Su-Hyun Han, Junhee Cho, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim, “An 80×60 Flash LiDAR Sensor with In-Pixel Delta-Intensity Quaternary Search Histogramming TDC,” IEEE J. Solid-State Circuits, vol. 57, no. 11, pp. 3200-3211, Nov. 2022.
  7. Canxing Piao, Yeonsoo Ahn, Donguk Kim, Jihoon Park, Jubin Kang, Seong-Jin Kim, Jung-Hoon Chun, and Jaehyuk Choi, “A Low-Power Indirect Time-of-Flight CMOS Image Sensor with Fixed Depth Noise Compensation and Dual-Mode Imaging for Depth Dynamic Range Enhancement,” IEEE Trans. Circ. Syst. I: Regular Papers, vol. 69, no. 10, pp. 3989-3999, Oct. 2022.
  8. Jee-Ho Park, Jung-Hye Hwang, Changyong Shin, and Seong-Jin Kim, “A BJT-Based Temperature-to-Frequency Converter with ±1°C (3σ) Inaccuracy from -40°C to 140°C for On-Chip Thermal Monitoring,” IEEE J. Solid-State Circuits, vol. 57, no. 10, pp. 2909-2918, Oct. 2022.
  9. Yongjae Park, Ji-Hyoung Cha, Su-Hyun Han, Jee-Ho Park, and Seong-Jin Kim, “A 3.8-µW 1.5-NEF 15-Gohm Total Input Impedance Chopper Stabilized Amplifier with Auto-calibrated Dual Positive Feedback in 110nm CMOS,” IEEE J. Solid-State Circuits, vol. 57, no. 8, pp. 2449-2461, Aug. 2022.
  10. Jee-Ho Park, Yongtae Shin, Jaehyuk Choi, Seong-Jin Kim, “A 5.02nW 32-kHz Self-Reference Power Gating XO with Fast Startup Time Assisted by Negative Resistance and Initial Noise Boosters,” IEEE Trans. Circ. Syst. II: Express Brief, vol. 68, no. 11, pp. 3386-3390, Nov. 2021.
  11. Taeju Lee, Jee-Ho Park, Namsun Chou, Il-Joo Cho, Seong-Jin Kim, and Minkyu Je, “A Multimodal Neural Activity Readout Integrated Circuit for Recording Fluorescence and Electrical Signals,” IEEE Access, vol. 9, pp. 118610-118623, Sep. 2021.
  12. Hyeongseok Seo, Heesun Yoon, Dongkyu Kim, Jungwoo Kim, Seong-Jin Kim, Jung-Hoon Chun, and Jaehyuk Choi, “Direct TOF Scanning LiDAR Sensor With Two-Step Multievent Histogramming TDC and Embedded Interference Filter,” IEEE J. Solid-State Circuits, vol. 56, no. 4, pp. 1022-1035, Apr. 2021.
  13. Donguk Kim, Seunghyun Lee, Dahwan Park, Canxing Piao, Jihoon Park, Yeonsoo Ahn, Kihwan Cho, Jungsoon Shin, Seung Min Song, Seong-Jin Kim, Jung-Hoon Chun, and Jaehyuk Choi, “Indirect Time-of-flight CMOS Image Sensor with On-chip Background Light Cancelling and Pseudo 4-Tap/2-Tap Hybrid Imaging for Motion Artifact Suppression,” IEEE J. Solid-State Circuits, vol. 55, no. 11, pp. 2849-2865, Nov. 2020.
  14. Hyunsub Norbert Rie, Junhyung Cho, Jungjoon Lee, Srinivas Gandla, Seong-Jin Kim, and Jaehyuk Choi, “CMOS Skin Sensor for Mobile Skin Diagnosis Using an Electronic Cotton Pad,” IEEE Access, vol. 8, pp. 178816-178824, Oct. 2020.
  15. Yongjae Park, Su-Hyun Han, Wooseok Byun, Ji-Hoon Kim, Hyung-Chul Lee, and Seong-Jin Kim, “A Real-Time Depth of Anesthesia Monitoring System Based on Deep Neural Network With Large EDO Tolerant EEG Analog Front-End,” IEEE Trans. Biomed. Circuits Syst., vol. 14, no. 4, pp. 825-837, Aug. 2020.
  16. Seunghyun Lee, Dahwan Park, Sanguk Lee, Jaehyuk Choi, and Seong-Jin Kim, “Design of a Time-of-Flight Sensor With Standard Pinned-Photodiode Devices Toward 100-MHz Modulation Frequency,” IEEE Access, vol. 7, pp. 130451-130459, Sep. 2019.
  17. Jae Won Jeong, Young-Eun Choi, Woo-Seok Kim, Jee-Ho Park, Sunmean Kim, Sunhae Shin, Kyuho Lee, Jiwon Chang, Seong-Jin Kim, and Kyung Rok Kim, “Tunnelling-based ternary metal–oxide–semiconductor technology,” Nature Electronics, vol. 2, no. 7, pp. 307–312, Jul. 2019.
  18. Seong-Jin Kim, Su-Hyun Han, Ji-Hyoung Cha, Lei Liu, Lei Yao, Yuan Gao, and Minkyu Je, “A Sub-μW/Ch Analog Front-End for ∆-Neural Recording With Spike-Driven Data Compression,” IEEE Trans. Biomed. Circuits Syst., vol. 13, no. 1, pp. 1-14, Feb. 2019.
  19. Hyeongseok Seo, Bumjun Kim, Jung-Hoon Chun, Seong-Jin Kim, and Jaehyuk Choi, “CMOS depth sensor with programmable filter circuits for environment-adaptive noise suppression,” Electronics Letters, vol. 54, no. 19, pp. 1122-1124, Sep. 2018.
  20. Jaehong Jung, Ik-Hwan Kim, Seong-Jin Kim, Yoonmyung Lee, and Jung-Hoon Chun, “A 1.08-nW/kHz 13.2-ppm/°C Self-Biased Timer Using Temperature-Insensitive Resistive Current,” IEEE J. Solid-State Circuits, vol. 53, no. 8, pp. 2311-2318, Aug. 2018.
  21. Jaehoon Chung, Yu Chen, and Seong-Jin Kim, “High-density impedance-sensing array on complementary metal-oxide-semiconductor circuitry assisted by negative dielectrophoresis for single-cell-resolution measurement,” Sensor Actuat. B-Chem., vol. 266, pp. 106-114, Aug. 2018.
  22. Yu Chen, Seong-Jin Kim, Jinhong Guo, Yuejun Kang, Jaya P. Kausalyac, Alicia Ghia Min Ongc, Walter Hunzikerc, and Jaehoon Chung, “Portable Coulter counter with vertical through-holes for high-throughput applications,” Sensor Actuat. B-Chem., vol. 213, pp. 375-381, Jul. 2015.
  23. Jihyun Cho, Jaehyuk Choi, Seong-Jin Kim, Jungsoon Shin, Seokjun Park, James D. K. Kim, and Euisik Yoon, “A 3-D Camera With Adaptable Background Light Suppression Using Pixel-Binning and Super-Resolution,” IEEE J. Solid-State Circuits, vol. 49, no. 10, pp. 2319-2332, Oct. 2014.
  24. Seong-Jin Kim, James D. K. Kim, Byongmin Kang, and Keechang Lee, “A CMOS Image Sensor Based on Unified Pixel Architecture with Time-Division Multiplexing Scheme for Color and Depth Image Acquisition,” IEEE J. Solid-State Circuits, vol. 47, no. 11, pp. 2834-2845, Nov. 2012.
  25. Seong-Jin Kim, “Performance Evaluation of Pinning Potential Adjustment in Two-Dimensional/Three-Dimensional Image Sensor,” IEEE Electron Device Lett., vol. 33, no. 10, pp. 1426-1428, Oct. 2012.
  26. Seong-Jin Kim and Euisik Yoon, “Label-free CMOS Bio Sensor with On-chip Noise Reduction Scheme for Real-time Quantitative Monitoring of Biomolecules,” IEEE Trans. Biomed. Circuits Syst., vol. 6, no. 3, pp. 189-196, Jun. 2012.
  27. Seong-Jin Kim, Sang-Wook Han, Byongmin Kang, Keechang Lee, James D. K. Kim and Chang-Yeong Kim, “A 3-D Time-of-Flight CMOS Image Sensor with Pinned-Photodiode Pixel Structure,” IEEE Electron Device Lett., vol. 31, no. 11, pp. 1272-1274, Nov. 2010.
  28. Seong-Jin Kim, Sang-Wook Han, Kwang-Hyun Lee, and Euisik Yoon, “A CMOS Fingerprint System-on-a-Chip with Adaptable Pixel Networks and Column-Parallel Processors for Image Enhancement and Recognition,” IEEE J. Solid-State Circuits, vol. 43, no. 11, pp. 2558-2567, Nov. 2008.
  29. Jaehyuk Choi, Sang-Wook Han, Seong-Jin Kim, Sun-Il Chang, and Euisik Yoon, “A Spatial-Temporal Multi-Resolution CMOS Image Sensor with Adaptive Frame Rates for Tracking the Moving Objects in Region-of-Interest and Suppressing Motion Blur,” IEEE J. Solid-State Circuits, vol. 42, no. 12, pp. 2978-2989, Dec. 2007.
  30. Seong-Jin Kim, Kyutae Yoo, Jeoyoung Shim, Wonseok Chung, Christopher Ko, Maesoon Im, Lee-Sup Kim, and Euisik Yoon, “Real-time label-free quantitative monitoring of biomolecules without surface binding by floating-gate complementary metal-oxide semiconductor sensor array integrated with readout circuitry,” Appl. Phys. Lett., 91, 203903, Nov. 2007.
  31. Sang-Wook Han, Seong-Jin Kim, and Euisik Yoon, “A Low Dark Current CMOS Image Sensor Pixel with a Photodiode Structure Enclosed by P-well,” J. Semiconductor Technology and Science, vol.5, no.2, pp.102-106, June 2005.

International Conferences

  1. Jung-Hye Hwang, Jubin Kang, Yongjae Park, Insang Son, Kieop Hong, and Seong-Jin Kim, “An Indirect Time-of-Flight Sensor with Adaptive Multiple Sampling for High Depth Precision,” accepted to be presented in IEEE Int. Symp. Circuits Syst. (ISCAS), May 2024.
  2. Su-Hyun Han, Seonghyeok Park, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim, “A 160×120 Flash LiDAR Sensor with Fully Analog-Assisted In-Pixel Histogramming TDC Based on Self-Referenced SAR ADC,” in IEEE Int. Solid-State Circuits Conf. (ISSCC), Feb. 2024, pp. 112-113.
  3. Minkyung Kim, Hyeongseok Seo, Songhyeon Kim, Jung-Hoon Chun, Seong-Jin Kim, and Jaehyuk Choi, “A 320×240 CMOS LiDAR Sensor with 6-transistor nMOS-only SPAD Analog Front-end and Area-efficient Priority Histogram Memory,” in IEEE Int. Solid-State Circuits Conf. (ISSCC), Feb. 2024, pp. 120-121.
  4. Yongjae Park, Jubin Kang, Dahwan Park, Insang Son, Jung-Hye Hwang, and Seong-Jin Kim, “A 160×120 Indirect Time-of-Flight Sensor with Pixel-level Adaptive ΔΣ-operations for Background Light Cancellation,” in IEEE Asian Solid-State Circuits Conf. (A-SSCC), Nov. 2023.
  5. Jiajia Wu, Abraham Akinin, Min Lee, Akshay Paul, Hongyu Lu, Yongjae Park, Preston Fowler, Seong-Jin Kim, Patrick Mercier, Gert Cauwenberghs, “A Low-Noise 0.001Hz-1kHz Sample-Level Duty-Cycling Neural Recording System-on-Chip,” in IEEE Int. Symp. Circuits Syst. (ISCAS), May 2023. (Best Runner-up Paper Award in BioCAS)
  6. Jee-Ho Park, Ji-Hyoung Cha, Yongjae Park, and Seong-Jin Kim, “A 0.0308mm2 4.15pJ/conv VCO-Based Current Sensing Front-End with 2nd-Order Δ2-ΔΣ Modulation,” in IEEE Asian Solid-State Circuits Conf. (A-SSCC), Nov. 2022.
  7. Su-Hyun Han, Bumjun Kim, Seonghyeok Park, Yongjae Park, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim, “A 100×80 CMOS Flash LiDAR Sensor with 0.0011mm2 In-Pixel Histogramming TDC Based on Analog Counter and Self-Calibrated Single-Slope ADC,” in IEEE Symp. VLSI Circuits, Jun. 2022, pp. 82-83.
  8. Jubin Kang, Yongjae Park, Jung-Hye Hwang, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim, “A 640×480 Indirect Time-of-Flight Image Sensor with Tetra Pixel Architecture for Tap Mismatch Calibration and Motion Artifact Suppression,” in IEEE Symp. VLSI Circuits, Jun. 2022, pp. 44-45.
  9. Ji-Hyoung Cha, Jee-Ho Park, Yongjae Park, Hyogeun Shin, Kyeong Seob Hwang, Il-Joo Cho, and Seong-Jin Kim, “A Reconfigurable Sub-Array Multiplexing Microelectrode Array System with 24,320 Electrodes and 380 Readout Channels for Investigating Neural Communication,” in IEEE Int. Solid-State Circuits Conf. (ISSCC), Feb. 2022, pp. 342-343.
  10. Seonghyeok Park, Bumjun Kim, Junhee Cho, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim, “An 80×60 Flash LiDAR Sensor with In-Pixel Histogramming TDC Based on Quaternary Search and Time-Gated Δ-Intensity Phase Detection for 45m Detectable Range and Background Light Cancellation,” in IEEE Int. Solid-State Circuits Conf. (ISSCC), Feb. 2022, pp. 98-99.
  11. Canxing Piao, Yeonsoo Ahn, Donguk Kim, Jihoon Park, Jubin Kang, Minseok Shin, Kangbong Seo, Seong-Jin Kim, Jung-Hoon Chun, and Jaehyuk Choi, “A 70mW Indirect Time-of-Flight Image Sensor with Depth Dynamic Range Enhancement and Fixed Depth Noise Compensation,” in IEEE Asian Solid-State Circuits Conf. (A-SSCC), Nov. 2021.
  12. Jee-Ho Park, Jung-Hye Hwang, Changyong Shin, and Seong-Jin Kim, “A 3.1-µW BJT-Based CMOS Temperature-to-Frequency Converter with Untrimmed Inaccuracy of ±1°C (3σ) from -40°C to 140°C,” in IEEE Asian Solid-State Circuits Conf. (A-SSCC), Nov. 2021.
  13. Hyeongseok Seo, Gihwan Cho, Jungwoo Kim, Junhan Bae, Seong-Jin Kim, Jung-Hoon Chun, and Jaehyuk Choi, “A CMOS LiDAR Sensor with Pre-Post Weighted-Histogramming for Sunlight Immunity Over 105 klx and SPAD-based Infinite Interference Canceling,” in IEEE Symp. VLSI Circuits Dig. Tech. Papers, Jun. 2021.
  14. Yongjae Park, Ji-Hyoung Cha, Su-Hyun Han, Jee-Ho Park, and Seong-Jin Kim, “A 3.8-µW/Ch, 15-Gohm Total Input Impedance Chopper Stabilized Amplifier with Dual Positive Feedback Loops and Auto-calibration Scheme,” in IEEE Symp. VLSI Circuits Dig. Tech. Papers, Jun. 2021.
  15. Bumjun Kim, Seonghyeok Park, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim, “A 48×40 13.5-mm Depth Resolution Flash LiDAR Sensor with In-pixel Zoom Histogramming Time-to-Digital Converter,” in IEEE Int. Solid-State Circuits Conf. (ISSCC) Dig. Tech. Papers, Feb. 2021, pp. 108-109. (Silkroad Award)
  16. Hyeongseok Seo, Heesun Yoon, Dongkyu Kim, Jungwoo Kim, Seong-Jin Kim, Jung-Hoon Chun, and Jaehyuk Choi, “A 36-channel SPAD-integrated scanning LiDAR sensor with multi-event histogramming TDC and embedded interference filter,” in IEEE Symp. VLSI Circuits Dig. Tech. Papers, Jun. 2020. (Highlighted Paper)
  17. Donguk Kim, Seunghyun Lee, Dahwan Park, Canxing Piao, Jihoon Park, Yeonsoo Ahn, Kihwan Cho, Jungsoon Shin, Seung Min Song, Seong-Jin Kim, Jung-Hoon Chun, and Jaehyuk Choi, “A Dynamic Pseudo 4-Tap CMOS Time-of-Flight Image Sensor with Motion Artifact Suppression and Background Light Cancelling Over 120klux,” in IEEE Int. Solid-State Circuits Conf. (ISSCC) Dig. Tech. Papers, Feb. 2020, pp. 100-101. (Silkroad Award)
  18. Sanguk Lee, Seunghyun Lee, Bumjun Kim, and Seong-Jin Kim, “A Low Noise Single-Slope ADC with Signal-Dependent Multiple Sampling Technique,” in Proc. of International Image Sensor Workshop (IISW), Jun. 2019, pp. 92-94.
  19. Taeju Lee, Jee-Ho Park, Ji-Hyoung Cha, Namsun Chou, Doojin Jang, Ji-Hoon Kim, Il-Joo Cho, Seong-Jin Kim, and Minkyu Je, “A Multimodal Multichannel Neural Activity Readout IC with Electrical Recording and 0.7μW/Channel Ca2+-Probe-Based Fluorescence Recording in 0.18μm CMOS,” in IEEE Symp. VLSI Circuits Dig. Tech. Papers, Jun. 2019, pp. C290-C291.
  20. Taeju Lee, Ji-Hyoung Cha, Su-Hyun Han, Seong-Jin Kim, and Minkyu Je, “A 4.86 µW/Channel Fully Differential Multi-Channel Neural Recording System,” in International SoC Design Conference (ISOCC), Nov. 2018.
  21. Minkyu Je and Seong-Jin Kim, “Low-Energy Integrated Circuits and Microsystems for Implantable Wireless Neural Recording (Invited Paper),” in URSI Asia-Pacific Radio Science Conference (AP-RASC), Aug. 2016, pp. 998–999.
  22. Seong-Jin Kim, Simon Ng, David Wee, Yoon Hwee Leow, Fan-Yung Ma, and Sie Boo Chiang, “High Accuracy Remote Temperature Sensor Based on BJT Devices in 0.13-μm CMOS,” in Proc. of International Symposium on Integrated Circuits (ISIC), Dec. 2014, pp. 408-411.
  23. Seong-Jin Kim, “A 2-D/3-D Image Sensor with PPD-Based Lock-in Pixels (invited),” in Proc. of 2nd Asian Image Sensors and Imaging Systems Symposium, Dec. 2014, pp. 59-60.
  24. Seong-Jin Kim, Lei Liu, Lei Yao, Wang Ling Goh, Yuan Gao, and Minkyu Je, “A 0.5-V Sub-µW/Channel Neural Recording IC with Delta-Modulation-Based Spike Detection,” in Proc. of IEEE Asian Solid-State Circuits Conf. (A-SSCC), Nov. 2014, pp. 189-192.
  25. Yat-Hei Lam and Seong-Jin Kim, “A 16.6µW 32.8MHz Monolithic CMOS Relaxation Oscillator,” in Proc. of IEEE Asian Solid-State Circuits Conf. (A-SSCC), Nov. 2014, pp. 161-164.
  26. Jihyun Cho, Jaehyuk Choi, Seong-Jin Kim, Jungsoon Shin, Seokjun Park, James D. K. Kim, and Euisik Yoon, “A 5.9µm-pixel 2D/3D Image Sensor with Background Suppression Over 100klx,” in IEEE Symp. VLSI Circuits Dig. Tech. Papers, Jun. 2013, pp. 6-7.
  27. Seong-Jin Kim, Jungsoon Shin, Byongmin Kang, James D. K. Kim, and Keechang Lee, “A full-HD CMOS Image Sensor with Time-multiplexed 2D/3D Image Acquisition (Invited),” in Proc. of 19th IDW/AD, Dec. 2012, pp. 1533-1536.
  28. Seong-Jin Kim, Byongmin Kang, James D. K. Kim, Keechang Lee, Chang-Yeong Kim, and Kinam Kim, “A 1920×1080 3.65µm-Pixel 2D/3D Image Sensor with Split and Binning Pixel Structure in 0.11µm Standard CMOS,” in IEEE Int. Solid-State Circuits Conf. (ISSCC) Dig. Tech. Papers, Feb. 2012, pp. 396-397.
  29. Seong-Jin Kim, James D. K. Kim, Sang-Wook Han, Byongmin Kang, Keechang Lee, and Chang-Yeong Kim, “A 640×480 Image Sensor with Unified Pixel Architecture for 2D/3D Imaging in 0.11µm CMOS,” in IEEE Symp. VLSI Circuits Dig. Tech. Papers, Jun. 2011, pp. 92-93.
  30. Byongmin Kang, Seong-Jin Kim, Seungkyu Lee, Keechang Lee, James D. K. Kim, and Chang-Yeong Kim, “Harmonic distortion free distance estimation in ToF camera,” in Proc. of SPIE, vol. 7864, Jan. 2011, pp. 786403-1~9.
  31. Seong-Jin Kim, Mithun Shenoi, Kyutae Yoo, Jeoyoung Shim, Wonseok Chung, Christopher Ko, Lee-Sup Kim, and Euisik Yoon, “Label-free CMOS DNA Quantification with On-chip Noise Reduction Schemes,” in Proc. of the 14th Int. Conf. Solid-State Sensors, Actuators and Microsystems (Transducers), June 2007, pp. 947-950.
  32. Jaehyuk Choi, Sang-Wook Han, Seong-Jin Kim, Sun-Il Chang, and Euisik Yoon, “A Spatial-Temporal Multi-resolution CMOS Image Sensor with Adaptive Frame Rates for Moving Objects in the Region-of-Interest,” in IEEE Int. Solid-State Circuits Conf. (ISSCC) Dig. Tech. Papers, Feb. 2007, pp. 502-503.
  33. Maesoon Im, Seong-Jin Kim, Kyutae Yoo, Jeoyoung Shim, Kyusang Lee, Younja Cho, Wonseok Chung, Christopher Ko, and Euisik Yoon, “Non-surface-binding Label-free Quantification of PCR Product with Fast and Sequential Detection Capability,” in Proc. of Int. Conf. micro TAS’06, Nov. 2006, pp. 762-764.
  34. Sang-Wook Han, Seong-Jin Kim, Jaehyuk Choi, Choong-Ki Kim, and Euisik Yoon, “A High Dynamic Range CMOS Image Sensor with In-Pixel Floating-Node Analog Memory for Pixel Level Integration Time Control,” in IEEE Symp. VLSI Circuits Dig. Tech. Papers, Jun. 2006, pp. 25-26.
  35. Seong-Jin Kim, Kwang-Hyun Lee, Sang-Wook Han, and Euisik Yoon, “A 200×160 Pixel CMOS Fingerprint Recognition SoC with Adaptable Column-Parallel Processors,” in IEEE Int. Solid-State Circuits Conf. (ISSCC) Dig. Tech. Papers, Feb. 2005, pp. 250-251.
  36. Hyung-Kew Lee, Sun-Il Chang, Kyung-Hyun Kim, Seong-Jin Kim, Kwang-Seok Yun, and Euisik Yoon, “A Modular Expandable Tactile Sensor Using Flexible Polymer,” in IEEE Int. Conf. MEMS Tech. Dig., Jan. 2005, pp. 642-645.

Invited Talks and Seminars

  1. Invited Talk at Imec, Leuven, Belgium, “CMOS SPAD-Based LiDAR Sensors with Zoom Histogramming TDC Architectures,” Feb. 2024.
  2. Technical Seminar at Nemesis, Seongnam, Korea, “A Chopper Instrument Amplifier for Wearable ExG Monitoring Devices,” Nov. 2023.
  3. Invited Talk at 최신 반도체 집적회로 설계 기술 Workshop, Seongnam, Korea, “Solid-State CMOS LiDAR Sensors,” Nov. 2023.
  4. Invited Talk at Huazhong University of Science and Technology (HUST), Wuhan, China, “CMOS SPAD-Based LiDAR Sensors with Zoom Histogramming TDC Architectures,” Nov. 2023.
  5. Invited Talk at University of Electronic Science and Technology of China (UESTC), Chengdu, China, “CMOS SPAD-Based LiDAR Sensors with Zoom Histogramming TDC Architectures,” Nov. 2023.
  6. Invited Talk at Asian Solid-State Circuits Conference (A-SSCC), Haikou, China, “CMOS Time-of-Flight Sensors for Enabling Self-Driving Cars and Metaverse,” Nov. 2023.
  7. Tutorial at International Solid-State Circuits Conference (ISSCC), San Francisco, US, “Solid-State CMOS LiDAR Sensors,” Feb. 2023.
  8. Technical Seminar, Samsung Advanced Institute of Technology (SAIT), On-line, “A CMOS Microelectrode Array System With Reconfigurable Sub-Array Multiplexing Architecture,” Feb. 2023.
  9. Invited Talk at International Workshop on Image Sensors and Imaging Systems (IWISS), Hamamatsu, Japan, “CMOS SPAD-Based LiDAR Sensors with Zoom Histogramming TDC Architectures,” Dec. 2022.
  10. Technical Seminar, Samsung Electronics, Online, “A CMOS LiDAR Sensor with Analog-Assisted In-Pixel Histogramming Time-to-Digital Converter,” Nov. 2022.
  11. Invited Talk at Univ. of California, San Diego, US, “A CMOS Microelectrode Array System With Reconfigurable Sub-Array Multiplexing Architecture,” Nov. 2022.
  12. Technical Lecture at IDEC, Kyungpook National University, Daegu, Korea, “CMOS Time-of-Flight Sensors,” Jul. 2022.
  13. Invited Talk at Korean Conf. Semiconductors, Jeongseon, Korea, “A Chopper Instrument Amplifier for Wearable ExG Monitoring Devices,” Jan. 2022.
  14. Invited Talk at Summer Annual Conference of the ISE, Namhae, Korea, “Solid-State CMOS LiDAR Sensors,” Jul. 2021.
  15. Invited Talk at Summer Annual Conference of the IEIE, Jeju, Korea, “A High Input Impedance Chopper Amplifier with Dual Positive Feedback Loop for Neural Recording Front Ends,” Jun. 2021.
  16. Technical Seminar, Dongbu Hitek, Eumseong, Korea, “Solid-State Imaging and Ranging: Beyond Human Eyes,” Feb. 2021.
  17. Technical Seminar, SK Hynix, Icheon, Korea, “Solid-State LiDAR Based on CMOS Direct ToF Sensors,” Dec. 2019.
  18. Invited Talk at 제2회 반도체공학회 학술대회, Seoul, Korea, “A Sub-μW/Ch Analog Front-End for ∆-Neural Recording With Spike-Driven Data Compression,” Dec. 2019.
  19. Technical Seminar, Dongbu Hitek, Eumseong, Korea, “Solid-State LiDAR Based on CMOS Direct ToF Sensors,” Dec. 2019.
  20. Technical Seminar, Samsung LSI, Hwaseong, Korea, “Solid-State LiDAR Based on CMOS Direct ToF Sensors,” Nov. 2019.
  21. Technical Seminar, LG Electronics, Seoul, Korea, “Principles of CMOS ToF Sensors,” Nov. 2019.
  22. Technical Seminar, SK Hynix, Icheon, Korea, “Principles and Demodulation Pixel Structures of ToF Sensors,” Mar. 2019.
  23. Technical Seminar, LG Innotek, Ansan, Korea, “CMOS Time-of-Flight Sensors,” Dec. 2018.
  24. Technical Seminar, Korea Research Institute of Chemical Technology (KRICT, 한국화학연구원), Ulsan, Korea, “Solid-State LiDAR: CMOS Time-of-Flight (ToF) Sensors,” Dec. 2018.
  25. Invited Talk at 한국센서학회 종합학술대회, Daejeon, Korea, “Solid-State LiDAR: CMOS Time-of-Flight (ToF) Sensors,” Nov. 2017.
  26. Invited Talk at 16th RF/Analog Workshop, Jeju, Korea, “Low Power Implantable Neural Recording System,” Sep. 2016.
  27. Invited Talk at 고감도 광검출 응용기술 워크샵, Busan, Korea, “The Principle of CMOS TOF Sensors,” Aug. 2016.
  28. Technical Seminar, Korea Institute of Science and Technology (KIST, 한국과학기술연구원), Seoul, Korea, “Integrated Smart Sensors for New Human-Computer Interfaces,” Feb. 2016.
  29. Technical Seminar, ATECH Solution, Hwaseong, Korea, “The Principle of TOF Depth Sensors,” Feb. 2016.
  30. Invited Talk at 12th International SoC Design Conference (ISOCC), Gyeongju, Korea, “An Implantable Neural recording IC with In-Situ Spike Detection and Preservation,” Nov. 2015.
  31. Technical Seminar, Korea Research Institute of Standards and Science (KRISS, 한국표준연구원), Daejeon, Korea, “Integrated Smart Sensors for New Human-Computer Interfaces,” July. 2015.
  32. Technical Seminar, College Electronics & Information, Kyung Hee University, Yongin, Korea, “Integrated Microsystems for Detection and Recognition of Natural Signals,” Jun. 2014.
  33. Invited Talk at Asia-Korea Conference on Science and Technology (AKC 2013), Singapore, “A CMOS Image Sensor with Unified Pixel Architecture for 2-D/3-D Image Acquisition,” Nov. 2013.
  34. Tutorials at IEEE Int. Conf. Image Processing (ICIP), Brussels, Belgium, “ToF (Time of Flight) Depth Sensor Image Processing: from Principle to Applications,” Sep. 2011.
  35. Invited Talk at Optical Society of Korea Conference, Seoul, Korea, “A VGA 3D Image Sensor Based on Unified Pixel Structure,” Feb. 2011.
  36. Technical Seminar, Korea Research Institute of Bioscience & Biotechnology (KRIBB), Deajeon, Korea, “Label-free CMOS DNA Sensor with On-chip Noise Reduction Scheme for Real-time DNA Quantification,” Dec. 2007.

Domestic Journals

  1. James D. K. Kim, Seong-Jin Kim, Byongmin Kang, Keechang Lee, and Chang-Yeong Kim, “A Color and Depth Acquisition Method in 3D Camera Based on ToF,” Telecommunications Review, 21, pp. 585-598, 2011.

Domestic Conferences

  1. Yongjae Park, Jubin Kang, Jung-Hye Hwang, and Seong-Jin Kim, “A 160×120 Indirect Time-of-Flight Image Sensor for High Background Light Cancellation,” in the 6th Annual Conference of the ISE, Dec. 2023. (Best Poster Paper Award)
  2. Jung-Hye Hwang, Jubin Kang, Yongjae Park, and Seong-Jin Kim, “An Indirect Time-of-Flight Sensor with Adaptive Multiple Sampling for High Depth Precision,” in the 6th Annual Conference of the ISE, Dec. 2023.
  3. Ji-Hyoung Cha, Jee-Ho Park, Yongjae Park, Hyogeun Shin, Kyeong Seob Hwang, Il-Joo Cho, and Seong-Jin Kim, “A Reconfigurable Sub-Array Multiplexing Microelectrode Array System for Investigating Neural Communication,” in the 30th Korean Conf. Semiconductors, Feb. 2023.
  4. Jung-Hye Hwang, Jee-Ho Park, Changyong Shin, and Seong-Jin Kim, “Temperature-to-Frequency 변환기를 이용한 BJT 기반의 초저전력 초소형 온도 센서,” in the 5th Annual Conference of the ISE, Dec. 2022.
  5. Jee-Ho Park, Ji-Hyoung Cha, Yongjae Park, and Seong-Jin Kim, “2차 Δ-ΔΣ 변조를 이용한 VCO 기반 전류 감지 회로,” in the Summer Annual Conference of IEIE, Jun. 2022. (Best Paper Award)
  6. Su-Hyun Han, Bumjun Kim, Seonghyuk Park, and Seong-Jin Kim, “A Low-Power High-Linearity Analog Counter for Histogramming Time-to-Analog Converter,” in the Summer Annual Conference of the ISE, Jul. 2021. (Outstanding Paper Award)
  7. Jubin Kang, Yongjae Park, Junghye Hwang, and Seong-Jin Kim, “An Optimized Symmetric Pinned Photodiode Structure for Indirect Time-of-Flight Pixels,” in the Summer Annual Conference of the ISE, Jul. 2021.
  8. Yongjae Park, Ji-Hyoung Cha, and Seong-Jin Kim, “Biopotential Acquisition Analog Front-End with Dual Positive Feedback for Large Parasitic Capacitance,” in the RF/Analog Workshop, Sep. 2020. (Outstanding Paper Award)
  9. Dahwan Park, Minsoo Gu, Jubin Kang, and Seong-Jin Kim, “Indirect Time-of-Flight Sensor with In-Pixel Adaptable Background Light Suppression,” in the RF/Analog Workshop, Sep. 2020.
  10. Changyong Shin, Junghye Hwang, and Seong-Jin Kim, “A CMOS Temperature Sensor Based On Relaxation Oscillator with Offset Canceling Scheme,” in the RF/Analog Workshop, Sep. 2020.
  11. Jee-Ho Park and Seong-Jin Kim, “Low Power Wide Dynamic Range Delta-Sigma Modulator with VCO Quantizer for Current Sensing,” in the RF/Analog Workshop, Sep. 2020.
  12. Su-Hyun Han and Seong-Jin Kim, “Deep Learning Approach for Real-Time EEG-Based Depth of Anesthesia Monitoring System,” in the RF/Analog Workshop, Sep. 2019. (Outstanding Paper Award)
  13. Yongjae Park and Seong-Jin Kim, “An EEG Analog Front End with Single-Slope-Assisted DC Servo Loop for Depth of Anesthesia Monitoring,” in the RF/Analog Workshop, Sep. 2019.
  14. Bumjun Kim and Seong-Jin Kim, “A Flash LiDAR Sensor with In-Pixel Successive Approximation Histogramming Time-to-Digital Converter,” in the RF/Analog Workshop, Sep. 2018. (Outstanding Paper Award)
  15. Yongtae Shin, Jeeho Park, and Seong-Jin Kim, “An Ultralow-Power 32.768 kHz Crystal Oscillator with 150-ms Start-up Time,” in the SoC Conference, May. 2018. (Outstanding Paper Award)
  16. Seunghyun Lee and Seong-Jin Kim, “A CMOS Indirect Time-of-Flight Pixel Structure with Pinning Potential Gradient for High-Speed Charge Transfer,” in the SoC Conference, May. 2018. (Outstanding Paper Award)
  17. Minkyu Je and Seong-Jin Kim, “Integrated Circuits and Microsystems for Implantable Wireless Neural Recording,” in the 20th Annual Meeting of the Korean Society for Brain and Neural Science (KSBNS), Aug. 2017.
  18. Chen Yu, Seong-Jin Kim, and Jaehoon Chung, “Multiple-channel Coulter Counter for Cells Sizing and Enumeration,” in Proc. of International Conference on Microbiology and Biotechnology (ICMB), Sep. 2014.
  19. James D. K. Kim, Seong-Jin Kim, Hwasup Lim, Yong Sun Kim, Ouk Choi, Keechang Lee, and Chang-Yeong Kim, “Time of Flight Color, Depth Image Sensor and Its Application to the Creation of High Quality Stereoscopic Video,” Institute of Electronics Engineers of Korea Summer Conf., Jun, 2011.
  20. Sang-Wook Han, Seong-Jin Kim, Jaehyuk Choi, and Euisik Yoon, “A High Dynamic Range CMOS Image Sensor using Pixel Level Integration Time Control,” in The 13th Korean Conf. Semiconductors, Feb. 2006.
  21. Sang-Wook Han, Seong-Jin Kim, and Euisik Yoon, “A Low Dark Current CMOS Image Sensor Pixel With a Photodiode Structure Enclosed by P-well,” in The 12th Korean Conf. Semiconductors, Feb. 2005.
  22. Seong-Jin Kim and Euisik Yoon, “A CMOS Fingerprint Recognition SoC with Local Adaptive Pixel Scheme and Column-Parallel Processors,” in The 12th Korean Conf. Semiconductors, Feb. 2005.
  23. Seong-Jin Kim, Sang-Wook Han, Kwang-Hyun Lee, and Euisik Yoon, “A Column-Parallel Image Processor for Fingerprint Recognition,” in The 11th Korean Conf. Semiconductors, Feb. 2004.

Patents

  1. Jee-Ho Park and Seong-Jin Kim, “Low Power Modulator with VCO Quantizer,” US Patent Appl. #17/531,016.
  2. Changyong Shin and Seong-Jin Kim, “CMOS Temperature Sensor and Operating Method There Of,” US Patent Appl. #17/528,127.
  3. Seung Han Park, Seong-Jin Kim, and Youngchul Chae, “Lidar sensor for vehicles and method of operating the same,” US Patent #10,935,658, 2021/03.
  4. Seunghyun Lee and Seong-Jin Kim, “Pixel of image sensor using high-speed charge transfer,” US Patent #10,916,572, 2021/02.
  5. Minkyu Je and Seong-Jin Kim, “Device for Detecting a Spike in One of Plurality of Neural Signals,” US Patent Appl. #14/917,932.
  6. Jihyun Cho, Seong-Jin Kim, Jung-Soon Shin, and Euisik Yoon, “Method and apparatus for suppressing background light in time of flight sensor,” US Patent #9,786,252, 2017/10.
  7. Seong-Jin Kim, Do Kyoon Kim, Kee Chang Lee, Jeroen Beeckman, Albert Theuwissen, “Filter for selective transmission of visible rays and infrared rays using an electrical signal,” US Patent #9,429,781, 2016/08.
  8. Byeongmin Kang, Keechang Lee, and Seong-Jin Kim, “Apparatus and method for generating depth image,” US Patent #9,366,759, 2016/06.
  9. Seong-Jin Kim and Sang-Wook Han, “Depth sensing apparatus and method,” US Patent #9,207,065, 2015/12.
  10. Seong-Jin Kim, Sang-Wook Han, and Albert Theuwissen, “Image sensor based on depth pixel structure,” US Patent #9,076,706, 2015/07.
  11. Seong-Jin Kim, “Apparatus and Method for Selective Binning Pixel,” US Patent #8,964,057, 2015/02.
  12. Hwasup Lim, Byeongmin Kang and Seong-Jin Kim, “Image Processing Apparatus, Medium, and Method,” US Patent #8,810,602, 2014/08.
  13. Seong-Jin Kim and Sang-Wook Han, “Single Gate Pixel and Operation Method of Single Gate Pixel,” US Patent #8,462,247, 2013/06.
  14. Seong-Jin Kim, “3D Image Processing Method and Apparatus for Improving Accuracy of Depth Measurement of an Object in a Region of Interest,” US Patent #8,369,575, 2013/02.
  15. Seong-Jin Kim, “Apparatus and Method for Obtaining 3D Image,” US Patent #8,345,103, 2013/01.
  16. Seong-Jin Kim, “Imaging Method and Apparatus,” US Patent #8,344,306, 2013/01.
  17. Hwasup Lim, Byeongmin Kang, Keechang Lee, and Seong-Jin Kim, “Image Processing Method,” US Patent #8,305,377, 2012/11.
  18. Seong-Jin Kim, “Apparatus and Method of Obtaining Depth Image,” US Patent #8,217,327, 2012/07.
  19. Seong-Jin Kim, Kyu-Tae Yoo, and Euisik Yoon, “Apparatus Having Reduced Noise and Method of Using the Apparatus for Detecting Ionic Materials,” US Patent #7,824,530, 2010/11.
  20. Seong-Jin Kim and Euisik Yoon, “Capacitance-type Fingerprint Sensor,” US Patent #7,298,875, 2007/11.

*Underline: Students under Prof. Kim’s supervision



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