Optimizing a CMOS Integrated Photon Counting Light-Field Sensor Based on Metal-VIA Multicomponent Grating

IEEE T. Electron Dev., Early Access.

Miji Kim, Dmytro Kotov, Hyoin Bae, Bumjun Kim, Seong-Jin Kim

An Adaptive Multiple Sampling with Slope Calibration Scheme in Indirect Time-of-Flight Sensor for Depth Precision Enhancement

IEEE Trans. Circuits Syst. I, vol. 73, no. 2, pp. 789-799, Feb. 2026 

Jung-Hye Hwang, Jubin Kang, Yongjae Park, Insang Son, Kieop Hong, and Seong-Jin Kim

A Compact Photocurrent Recording IC with High-Linearity Dual PWM Buffered R-DACs

IEEE J. Solid-State Circuits, vol. 61, no. 1, pp. 378-390, Jan. 2026.

Jee-Ho Park, Ji-Hyoung Cha, Yongjae Park, and Seong-Jin Kim

A 4.6 μW, 133-VPP Common-Mode Interference-Tolerant Biopotential Amplifier for Two-Electrode Recording System in 110-nm CMOS

IEEE J. Solid-State Circuits, vol. 60, no. 11, pp. 3920-3935, Nov. 2025.

Yongjae Park, Yeong-Jin Mo, Jung-Hoon Kim, Gert Cauwenberghs, and Seong-Jin Kim

An Indirect ToF Sensor With In-Pixel Adaptive ΔΣ-Scheme for Background Light Rejection and Floating Diffusion Mismatch Cancellation

IEEE J. Solid-State Circuits, vol. 60, no. 11, pp. 4088-4100, Nov. 2025.

Yongjae Park, Jubin Kang, Dahwan Park, Seonghyeok Park, Jung-Hye Hwang, Insang Son, and Seong-Jin Kim

A High-Resolution Solid-State LiDAR Sensor With Reconfigurable Histogramming Time-to-Digital Converter and Filter for Depth Refinement

IEEE J. Solid-State Circuits, vol. 60, no. 10, pp. 3665-3681, Oct. 2025.

Wonjong Roh, Hyeongseok Seo, Canxing Piao, Minkyung Kim, Taehoon Jeon, Heesung Lee, Myung-Jae Lee, Jung-Hoon Chun, Seong-Jin Kim, and Jaehyuk Choi

Rational Molecular Design of π-Extended Thiazolothiazole for High-Performance UV-OPDs Seamlessly Integrated with CMOS

Adv. Mater., 2506449, Jul. 2025.

Jaehee Park, Won Jun Pyo, Jubin Kang, Taek Min Kim, Sangjun Lee, Jungmin Oh, Seyeon Baek, Seong-Jin Kim, In Hwan Jung, and Dae Sung Chung

A 3.1-µW Analog-Assisted Zoom Histogramming TDC in 35-µm Pixel Pitch for Flash LiDAR Sensor

IEEE J. Solid-State Circuits, vol. 60, no. 6, pp. 2134-2145, Jun. 2025.

Su-Hyun Han, Seonghyeok Park, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim

A 100×80 Flash LiDAR Sensor with In-Pixel Zoom-Histogramming TDC and Self-Referenced Single-Slope ADC Based on Analog Counters

IEEE J. Solid-State Circuits, vol. 60, no. 6, pp. 2146-2157, Jun. 2025.

Su-Hyun Han, Seonghyeok Park, Bumjun Kim, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim

All-Digital Event-Based Vision Sensor With Multi-Event Generation for Motion/Vibration-Adaptive Detection

IEEE J. Solid-State Circuits, vol. 60, no. 4, pp. 1162-1173, Apr. 2025.

Jinpyo Han, Houk Lee, Junhee Cho, Heesung Lee, Jung-Hoon Chun, Seong-Jin Kim, and Jaehyuk Choi

A CMOS Flash LiDAR Sensor With In-Pixel Zoom Histogramming Time-to-Digital Converters

IEEE J. Solid-State Circuits, vol. 60, no. 4, pp. 1449-1460, Apr. 2025.

Bumjun Kim, Seonghyeok Park, Su-Hyun Han, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim

Halide Perovskite Photodiode Integrated CMOS Imager

ACS Nano, vol. 18, no. 52, pp. 35520-35532, Dec. 2024.

Wenya Song, Jubin Kang, Karim Elkhouly, Sarah Hamdad, Xin Zhang, Maria Isabel Pintor Monroy, Abu Bakar Siddik, Patrick Carolan, Sownder Subramaniam, Yinghuan Kuang, Florian De Roose, Erwin Vandenplas, Naresh Chandrasekaran, Joo Hyoung Kim, Robert Gehlhaar, Seong-Jin Kim, Jiwon Lee, Jan Genoe

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.

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 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.

Jee-Ho Park, Ji-Hyoung Cha, Yongjae Park, 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.

Jubin Kang, Yongjae Park, Jung-Hye Hwang, Kieop Hong, Insang Son, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim

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.

Hyeongseok Seo, Gihwan Cho, Seong-Jin Kim, Jung-Hoon Chun, and Jaehyuk Choi

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.

Ji-Hyoung Cha, Jee-Ho Park, Yongjae Park, Hyogeun Shin, Kyeong Seob Hwang, Il-Joo Cho, 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.

Seonghyeok Park, Bum-Jun Kim, Su-Hyun Han, Junhee Cho, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim

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.

Canxing Piao, Yeonsoo Ahn, Donguk Kim, Jihoon Park, Jubin Kang, Seong-Jin Kim, Jung-Hoon Chun, and Jaehyuk Choi

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.

Jee-Ho Park, Jung-Hye Hwang, Changyong Shin, 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.

Yongjae Park, Ji-Hyoung Cha, Su-Hyun Han, Jee-Ho Park, and 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.

Jee-Ho Park, Yongtae Shin, Jaehyuk Choi, Seong-Jin Kim

A Multimodal Neural Activity Readout Integrated Circuit for Recording Fluorescence and Electrical Signals

IEEE Access, vol. 9, pp. 118610-118623, Sep. 2021.

Taeju Lee, Jee-Ho Park, Namsun Chou, Il-Joo Cho, Seong-Jin Kim, and Minkyu Je

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.

Hyeongseok Seo, Heesun Yoon, Dongkyu Kim, Jungwoo Kim, 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.

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

CMOS Skin Sensor for Mobile Skin Diagnosis Using an Electronic Cotton Pad

IEEE Access, vol. 8, pp. 178816-178824, Oct. 2020.

Hyunsub Norbert Rie, Junhyung Cho, Jungjoon Lee, Srinivas Gandla, Seong-Jin Kim, and Jaehyuk Choi

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.

Yongjae Park, Su-Hyun Han, Wooseok Byun, Ji-Hoon Kim, Hyung-Chul Lee, 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.

Seunghyun Lee, Dahwan Park, Sanguk Lee, Jaehyuk Choi, and Seong-Jin Kim

Tunnelling-based ternary metal–oxide–semiconductor technology

Nature Electronics, vol. 2, no. 7, pp. 307–312, Jul. 2019.

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

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.

Seong-Jin Kim, Su-Hyun Han, Ji-Hyoung Cha, Lei Liu, Lei Yao, Yuan Gao, and Minkyu Je

CMOS depth sensor with programmable filter circuits for environment-adaptive noise suppression

Electronics Letters, vol. 54, no. 19, pp. 1122-1124, Sep. 2018.

Hyeongseok Seo, Bumjun Kim, Jung-Hoon Chun, Seong-Jin Kim, and Jaehyuk Choi

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.

Jaehong Jung, Ik-Hwan Kim, Seong-Jin Kim, Yoonmyung Lee, and Jung-Hoon Chun

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.

Jaehoon Chung, Yu Chen, and Seong-Jin Kim

Portable Coulter counter with vertical through-holes for high-throughput applications

Sensor Actuat. B-Chem., vol. 213, pp. 375-381, Jul. 2015.

Yu Chen, Seong-Jin Kim, Jinhong Guo, Yuejun Kang, Jaya P. Kausalyac, Alicia Ghia Min Ongc, Walter Hunzikerc, and Jaehoon Chung

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.

Jihyun Cho, Jaehyuk Choi, Seong-Jin Kim, Jungsoon Shin, Seokjun Park, James D. K. Kim, and Euisik Yoon

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.

Seong-Jin Kim, James D. K. Kim, Byongmin Kang, and Keechang Lee

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.

Seong-Jin Kim

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.

Seong-Jin Kim and Euisik Yoon

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.

Seong-Jin Kim, Sang-Wook Han, Byongmin Kang, Keechang Lee, James D. K. Kim, and Chang-Yeong Kim

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.

Seong-Jin Kim, Sang-Wook Han, Kwang-Hyun Lee, 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. 43, no. 11, pp. 2558-2567, Nov. 2008.

Jaehyuk Choi, Sang-Wook Han, Seong-Jin Kim, Sun-Il Chang, 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.

Seong-Jin Kim, Kyutae Yoo, Jeoyoung Shim, Wonseok Chung, Christopher Ko, Maesoon Im, Lee-Sup 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.

Sang-Wook Han, Seong-Jin Kim, and Euisik Yoon