Journal papers

[38] InGaZnO Thin-Film Transistor-based pH Sensor with Parylene-C Gate Dielectric

Gwang-Eun Choi, Min-Joon Kim, Ra-Yeong Park, Yoon Kim, Dong-Wook Park, Journal of Sensor Science and Technology, Vol. 33, No.5, September, 2024  

Link: http://dx.doi.org/10.46670/JSST.2024.33.5.338

[37] Parylene-C-based flexible organic thin-film transistors and their reliability improvement using SU-8 passivation

Ah-Hyun Hong, Yu Jung Park, Jung-Hwa Seo, Yoon Kim, Dong-Wook Park, Journal of Vacuum Science & Technology B,  42(3), May, 2024

Link: https://doi.org/10.1116/5.0197032

[36] Analysis of electrical and hysteresis characteristics of flexible OTFT using solution-processable DPP-DTT polymer and Parylene-C

Yoojeong Ko, Hyo-Won Jang, Hyeok Kim, Dong-Wook Park, Solid-State Electronics, 216, 108922, June, 2024

Link : https://doi.org/10.1016/j.sse.2024.108922

[35] Photoresponsivity Enhancement of Monolayer MoS2 by Silicon Quantum Dots

Minseon Gu, Keun Wook Lee, Beomjin Park, Beom Soo Joo, Young Jun Chang, Dong-Wook Park, Moonsup Han, physica status solidi (RRL)–Rapid Research Letters, 17(10), 2300220, October, 2023 

Link: https://doi.org/10.1002/pssr.202300220 

[34] Flexible Neural Electrodes Using Novel Materials

Dong-Jun Han, Dong-Wook Park, Journal of Flexible and Printed Electronics, 2(1), 47-60, June, 2023 

Link: https://doi.org/10.56767/jfpe.2023.2.1.47 

[33] Development of Organic Thin-film Transistors on a Biocompatible Parylene-C Substrate

Kyung Min Kim*, Sookyeong Kim*, Ah-Hyun Hong, Yoojeong Ko, Hyowon Jang, Hyeok Kim, Dong-Wook Park, Journal of Semiconductor Technology and Science, 23(1), 1-7, February, 2023

Link: https://doi.org/10.5573/JSTS.2023.23.1.1

[32] Physical model of a local threshold voltage shift in InGaZnO thin-film transistors under current stress for instability-aware circuit design

Tae Jun Yang, Je-Hyuck Kim, Jung Rae Cho, Hee Jun Lee, Kyungmin Kim, Jaewon Park, Sung-Jin Choi, Jong-Ho Bae, Dong Myong Kim, Changwook Kim, Dong-Wook Park*, Dae Hwan Kim*, Current Applied Physics, 46, 55-60, February, 2023

Link: https://doi.org/10.1016/j.cap.2022.11.011  

[31] Flexible Parylene C-based RRAM Array for Neuromorphic Applications

Jo-Eun Kim, Boram Kim, Hui Tae Kwon, Jaesung Kim, Kyungmin Kim, Dong-Wook Park*, Yoon Kim*, IEEE Access, 10, 109760 - 109767, October, 2022  

Link: https://doi.org/10.1109/ACCESS.2022.3211956 

[30] Physics-Based Compact Model of Current Stress-Induced Threshold Voltage Shift in Top-Gate Self-Aligned Amorphous InGaZnO Thin-Film Transistors

Tae Jun Yang, Jingyu Park, Sungju Choi, Changwook Kim, Moonsup Han, Jong-Ho Bae, Sung-Jin Choi, Dong Myong Kim, Hong Jae Shin, Yun Sik Jeong, Jong Uk Bae, Chang Ho Oh, Dong-Wook Park*, Dae Hwan Kim*, IEEE Electron Device Letters, 43(10), 1685-1688, August, 2022

Link: https://doi.org/10.1109/LED.2022.3202992

[29] Micro-Sphere PDMS for Enhancing Light Extraction in Organic Light-Emitting Devices

Eun-Jeong Bae, Hyeong-Kyu Maeng, Ji-Soo Shin, Dong-Wook Park, Young-Wook Park, Dong-Hyun Baek, Nanomaterials, 12(12), 2007, June, 2022 

Link: https://doi.org/10.3390/nano12122007 

[28] Trench field-effect transistors integrated in a microfluidic channel and design consideration for charge detection

Dong-Wook Park*, Gene Tsvid, Juan P Hernandez-Ortiz, David C Schwartz, Zhenqiang Ma*, Applied Physics Letters, 120(19), 192102, May, 2022.

• Selected as a “Featured article” in Applied Physics Letters

• Featured in AIP SciLight, The JoongAng, Chosun.com, etc.

Link: https://doi.org/10.1063/5.0084758 

[27] Investigation on Parylene-C based neural electrodes by accelerated life test and reliability improvement using polyimide flexible cable

Ju-Hwan Kim, Dong-Hyun Baek, Dae Hwan Kim, Dong-Wook Park, Current Applied Physics, 39, 214-220, May, 2022. 

Link: https://doi.org/10.1016/j.cap.2022.05.001 

[26] Decay time dynamics of red and blue luminescence of surface-functionalized silicon quantum dots

Beom Soo Joo, Minseon Gu, Jeehwan Han, Namsik Jung, Seungchul Kim, Dong-Wook Park, Moonsup Han, Journal of Luminescence, 236, 118121, August, 2021.

Link: https://doi.org/10.1016/j.jlumin.2021.118121 

[25]  Reliability-Aware SPICE Compatible Compact Modeling of IGZO Inverters on a Flexible Substrate

Je-Hyuk Kim, Youngjin Seo, Jun Tae Jang, Shinyoung Park, Dongyeon Kang, Jaewon Park, Moonsup Han, Changwook Kim, Dong-Wook Park, and Dae Hwan Kim, Applied Sciences, 11, 4838, May 2021.

Link: https://doi.org/10.3390/app11114838 

[24] Extraction Technique for Flat Band Voltage Using Multi-Frequency C – V Characteristics in Amorphous InGaZnO Thin-Film-Transistors

Sungju Choi, Inseok Chae, Jingyu Park, Youngjin Seo, Chang Il Ryoo, Dong Myong Kim, Sung-Jin Choi, Dong-Wook Park, Dae Hwan Kim, IEEE Electron Device Letters, 41(12), 1778-1781, December 2020.

Link: https://doi.org/10.1109/LED.2020.3032442 

[23] Flexible biosensors based on field-effect transistors and multi-electrode arrays: a review

Ju-Hwan Kim, Je-Won Park, Dong-June Han, and Dong-Wook Park, Journal of Semiconductor Engineering, 1(3), 88-98, December 2020.

Link: https://doi.org/10.22895/jse.2020.0102  

[22] Parylene-Based Flexible Microelectrode Arrays for the Electrical Recording of Muscles and the Effect of Electrode Size

Bong-Jun Choi, Ju-Hwan Kim, Woo-Jin Yang, Dong-Jun Han, Jaewon Park, Dong-Wook Park, Applied Sciences, 10, 7364, October 2020.

Link: https://doi.org/10.3390/app10207364

[21] Cuff and sieve electrode (CASE): the combination of neural electrodes for bi-directional peripheral nerve interfacing

Hyungsoo Kim, Aaron M Dingle, Jared P Ness, Dong-Hyun Baek, Jihye Bong, In-Kyu Lee, Nikita O Shulzhenko, Weifeng Zeng, Jacqueline S Israel, Jane A Pisaniello, Augusto XT Millevolte, Dong-Wook Park, Aaron J Suminski, Yei Hwan Jung, Justin C Williams, Samuel O Poore, Zhenqiang Ma, Journal of Neuroscience Methods, 108602, April 2020. 

Link: https://doi.org/10.1016/j.jneumeth.2020.108602 

[20] Experimental Extraction of Stern-Layer Capacitance in Biosensor Detection Using Silicon Nanowire Field-Effect Transistors

Sungju Choi, Hyun-Sun Mo, Jungmok Kim, Seohyun Kim, Seung Min Lee, Sung-Jin Choi, Dong-Wook Park*, Dae Hwan Kim*, Current Applied Physics, 20(6), 828-833, March 2020.  

Link: https://doi.org/10.1016/j.cap.2020.02.021 

[19] Radiolucent implantable electrocardiographic monitoring device based on graphene

Jihye Bong, Zachi I. Attia, Vaibhav R. Vaidya, Yei Hwan Jung, Deepak Padmanabhan, Juhwan Lee, Hyungsoo Kim, Dorothy J. Ladewig, Peter A. Noseworthy, Samuel J. Asirvatham, Dong-Wook Park, Paul A. Friedman, Zhenqiang Ma, Carbon, 152, 946-953, July 2019.                                                                      

Link: https://doi.org/10.1016/j.carbon.2019.06.069 

[18] Progress in the Field of Micro-Electrocorticography

[Review Paper] Mehdi Shokoueinejad*, Dong-Wook Park*, Yei Hwan Jung, Sarah K Brodnick, Joseph Novello, Aaron Dingle, Kyle I Swanson, Dong-Hyun Baek, Aaron J Suminski, Wendell B Lake, Zhenqiang Ma, Justin Williams, Micromachines, 10(1), 62, January 2019.          

 Link: doi:10.3390/mi10010062

[17] Single-neuronal cell culture and monitoring platform using a fully transparent microfluidic DEP device

Hyungsoo Kim, In-Kyu Lee, Kendra Taylor, Karl Richters, Dong-Hyun Baek, Jae Ha Ryu, Sang June Cho, Yei Hwan Jung, Dong-Wook Park, Joseph Novello, Jihye Bong, Aaron J. Suminski, Aaron M. Dingle, Robert H. Blick, Justin C. Williams, Erik W. Dent, and Zhenqiang Ma, Scientific Reports, 8(1), 13194, September 2018.                                                                            

Link: doi:10.1038/s41598-018-31576-2

[16] Electrical neural stimulation and simultaneous in vivo monitoring with transparent graphene electrode arrays implanted in GCaMP6f mice

Dong-Wook Park, Jared P. Ness, Joseph Novello, Sarah K. Brodnick, Corinne Esquibel, Farid Atry, Dong-Hyun Baek, Hyungsoo Kim, Jihye Bong, Kyle I. Swanson, Aaron Suminski, Kevin J. Otto, Ramin Pashaie, Justin C. Williams, and Zhenqiang Ma, ACS Nano, 12(1), 148-157, January 2018.

Link: doi:10.1021/acsnano.7b04321

• Featured in Veritas-alpha, 대학저널, 월간인물, etc.

[15] Corneal potential maps measured with multi-electrode electroretinography in rat eyes with experimental lesions

Zahra Derafshi, Brian E. Kunzer, Emily M. Mugler, Nataliya Rokhmanova, Dong-Wook Park, Hadi Tajalli, Krithi Shetty, Zhenqiang Ma, Justin Williams, and John R. Hetling, Investigative ophthalmology and visual science, 58, 2863-2873, June 2017.

Link: doi:10.1167/iovs.16-20726

[14] Triaxial compressive strain in bilayer graphene enabled by nitride stressor layer

Solomon Mikael*, Jung-Hun Seo*, Dong-Wook Park*, Munho Kim, Hongyi Mi, Shaoqin Gong, and Zhenqiang Ma, Extreme Mechanics Letters, 11, 77-83, February 2017.

Link: doi:10.1016/j.eml.2016.09.002

[13] Fabrication and utility of a transparent graphene neural electrode array for electrophysiology, in vivo imaging, and optogenetics

Dong-Wook Park, Sarah K. Brodnick, Jared P. Ness, Farid Atry, Lisa Krugner-Higby, melia Sandberg, Solomon Mikael, Thomas J. Richner, Joseph Novello, Hyungsoo Kim, Dong-Hyun Baek, Jihye Bong, Seth T. Frye, Sanitta Thongpang, Kyle I. Swanson, Wendell Lake, Ramin Pashaie, Justin C. Williams, and Zhenqiang Ma, Nature Protocols, 11, 2201-2222, October 2016.

Link: doi:10.1038/nprot.2016.127

• Ranked 2nd online attention of the tracked articles of a similar age in Nature Protocols.

• Featured in Science Daily, Photonics.com, UW-Madison news, etc.

[12] Flexible bottom-gate graphene transistors on Parylene C substrate and the effect of current annealing

Dong-Wook Park, Hyungsoo Kim, Dong-Hyun Baek, Jihye Bong, Tong June Kim, Justin C. Williams, and Zhenqiang Ma, Applied Physics Letter, 109 (15), 152105, October 2016.

Link: doi:10.1063/1.4964853

[11] Capacitance-voltage characteristics of Si and Ge nanomembranes based flexible metal-oxide semiconductor device under bending conditions

Minkyu Cho, Jung-Hun Seo, Dong-Wook Park, Weidong Zhou, and Zhenqiang Ma, Applied Physics Letter, 108 (23), 233505, June 2016.

Link: doi:10.1063/1.4953458

[10] High-performance green flexible electronics based on biodegradable cellulose nanofibril paper

Yei Hwan Jung, Tzu-Hsuan Chang, Huilong Zhang, Chunhua Yao, Qifeng Zheng, Vina W. Yang, Hongyi Mi, Munho Kim, Sang June Cho, Dong-Wook Park, Hao Jiang, Juhwan Lee, Yijie Qiu, Weidong Zhou, Zhiyong Cai, Shaoqin Gong and Zhenqiang Ma, Nature Communications, 6, 7170, May 2015.

Link: doi:10.1038/ncomms8170

[9] Bottom-gate coplanar graphene transistors with enhanced graphene adhesion on atomic layer deposition Al2O3

Dong-Wook Park, Solomon Mikael, Tzu-Hsuan Chang, Shaoqin Gong, and Zhenqiang Ma, Applied Physics Letter, 106 (10), 102106, March 2015.

Link: doi:10.1063/1.4914926

[8] Graphene-based carbon-layered electrode array technology for neural imaging and optogenetic applications

Dong-Wook Park, Amelia A. Schendel, Solomon Mikael, Sarah K. Brodnick, Thomas J. Richner, Jared P. Ness, Mohammed R. Hayat, Farid Atry, Seth T. Frye, Ramin Pashaie, Sanitta Thongpang, Zhenqiang Ma, and Justin C. Williams, Nature Communications, 5, 6258, October 2014.

Link: doi:10.1038/ncomms6258

• Top 2 percentile online attention among the articles of a similar age in Nature Communications.

• Featured in ​IEEE Spectrum, Phys.org UW-Madison news, DARPA news, etc.

[7] High-speed pixel circuit for large-sized 3D AMOLED displays

Dong-Wook Park, Chul-Kyu Kang, Yongsung Park, Boyong Chung, Kyung-Hoon Chung, Keumnam Kim, Byung-Hee Kim, and Sang Soo Kim, Journal of the Society for Information Display, 19 (4), 329-334, April 2011.

Link: doi:10.1889/JSID19.4.329

[6] Electrically Stable Organic Thin-Film Transistors and Circuits Using Organic/Inorganic Double-Layer Insulator

Dong-Wook Park, Cheon An Lee, Keum-Dong Jung, Byeong-Ju Kim, Byung-Gook Park, Hyungcheol Shin, and Jong Duk Lee, Japanese Journal of Applied Physics, 46, No. 4B, 2640-2644, April 2007.

Link: doi:10.1143/JJAP.46.2640

[5] Full-Swing Pentacene Organic Inverter with Long-Channel Driver and Short-Channel Load

Cheon An Lee, Dong-Wook Park, Keum-Dong Jung, Jong Duk Lee, and Byung-Gook Park, Japanese Journal of Applied Physics, 46, No. 4B, 2661-2665, April 2007.

Link: doi:10.1143/JJAP.46.2661

[4] Admittance Measurements on OFET Channel and Its Modeling With R-C Network

Keum-Dong Jung, Cheon An Lee, Dong-Wook Park, Byung-Gook Park, Hyungcheol Shin, and Jong Duk Lee, IEEE Electron Device Letters, 28, No. 3, 204-206, March 2007.

Link: doi:10.1109/LED.2007.891256

[3] Low hysteresis pentacene thin-film transistors using SiO2/cross-linked poly(vinyl alcohol) gate dielectric

Dong-Wook Park, Cheon An Lee, Keum-Dong Jung, Byung-Gook Park, Hyungcheol Shin, and Jong Duk Lee, Applied Physics Letter, 89 (26), 263507, Dec. 2006.

Link: doi:10.1063/1.2424666

[2] Hysteresis mechanism in pentacene thin-film transistors with poly(4-vinyl phenol) gate insulator

Cheon An Lee, Dong-Wook Park, Keum-Dong Jung, Byung-ju Kim, Yoo Chul Kim, Jong Duk Lee, and Byung-Gook Park, Applied Physics Letter, 89 (26), 262120, Dec. 2006.

Link: doi:10.1063/1.2425042

[1] Hysteresis mechanism and reduction method in the bottom-contact pentacene thin-film transistors with cross-linked poly(vinyl alcohol) gate insulator

Cheon An Lee, Dong-Wook Park, Sung Hun Jin, Il Han Park, Jong Duk Lee, and Byung-Gook Park, Applied Physics Letter, 88 (25), 252102, June 2006.

Link: doi:10.1063/1.2213969

Conference

• [50] Ah-Hyun Hong, Dong-Wook Park, "Reliability analysis of SU-8 Passivation on Biocompatible Parylene-based Flexible PBTTT Organic Thin-Film Transistor", The 31th Korean Conference on Semiconductors (KCS 2024), Gyeongju, Korea, January 24-26, 2024

• [49] Yoojeong Ko, Dong-Wook Park, "Partially Transparent Flexible IGZO TFT with PEDOT:PSS Gate and Parylene-C Gate Dielectric", The 31th Korean Conference on Semiconductors (KCS 2024), Gyeongju, Korea, January 24-26, 2024

• [48] Ah-Hyun Hong, Eunyoung Park, Jinkoo Kim, Hojun Jang, Dong-Wook Park, "Biocompatible and flexible PBTTT organic thin-film transistor using Parylene-C substrate and gate dielectric", The 23rd Internation Meeting on Information Display (IMID 2023), Busan, Korea, August 22-25, 2023. 

• [47] Yoojeong Ko, Hyo-Won Jang, Hyeok Kim, Dong-Wook Park, "Flexible and Transparent Bottom Gate Organic Thin-Film Transistors with Solution Processable Polymer", The 23rd International Meeting on Information Display (IMID 2023), Busan, Korea, August 22-25, 2023.

• [46] Yoojeong Ko*, Ah-Hyun Hong*, Yoon Kim, Dong-Wook Park, "IGZO Thin-Film Transistor with Bottom Gate Coplanar Structure Using Parylene-C Substrate and Gate Dielectric", Summer Annual Conference of IEIE 2023, Jeju, Korea, June 28-30, 2023.

• [45] Sookyeong Kim, Hyungjun Choi, Dong-Wook Park, "그래핀 및 PEDOT:PSS를 이용한 이중층 바이오전극 개발 및 채널 구조에 따른 비교", Summer Annual Conference of IEIE 2023, Jeju, Korea, June 28-30, 2023.

• [44] Hyungjun Choi, Dong-Wook Park, "Analysis of Graphene-based Deep Brain Stimulation Electrode : Comparison of Electrochemical Impedance Spectroscopy and Cyclic Voltammetry", The 38th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2023), Jeju, Korea, June 25-28, 2023.

• [43] Sookyeong Kim, Hyungjun Choi, Jaewon Park, Dong-Wook Park, "Development of flexible and trasparent aptamer electrodes for cortisol sensing using graphene and PEDOT:PSS bilayer", The 38th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2023), Jeju, Korea, June 25-28, 2023.

• [42] Ah-Hyun Hong, Yu Jung Park, Jung Hwa Seo, Dong-Wook Park, "Fabrication of biocompatible PBTTT organic thin-film transistor using Parylene-C substrate and gate dielectric", The 38th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2023), Jeju, Korea, June 25-28, 2023.

• [41] Yoojeong Ko, Hyo-Won Jang, Hyeok Kim, Dong-Wook Park, "Flexible and Transparent Organic Thin-Film Transistors with Solution Processable Polymer", The 38th International Technical Conference on Circuit/Systems, Computers and Communications (ITC-CSCC 2023), Jeju, Korea, June 25-28, 2023.

• [40] Yoojeong Ko, Hyo-Won Jang, Hyeok Kim, Dong-Wook Park, "DPP-DTT Channel Organic Thin-Film Transistors Fabricated on a Parylene-C substrate", The 30th Korean Conference on Semiconductors (KCS 2023), Gangwon, Korea, February 13-15, 2023.

• [39] Sookyeong Kim, Hyungjun Choi, Jae-Won Park, Dong-Wook Park, "코르티졸 센싱을 위한 Parylene-C 기반 압타머 전극 개발", The 30th Korean Conference on Semiconductors (KCS 2023), Gangwon, Korea, February 13-15, 2023.

• [38] Yoojeong Ko, Sookyeong Kim, Hyo-Won Jang, Hyeok Kim, Dong-Wook Park, "Flexible Organic Thin-Film Transistors Using DPP-DTT Channel and Parylene-C Gate Dielectric", International Conference on Electronics, Information, and Communication (ICEIC 2023), Singapore, February 05-08, 2023.

• [37] Kyeong Min Kim, Hyeong Jun Choi, Dong Jun Han, Dong-Wook Park, "Development of P3HT organic thin-film transistors on flexible Parylene-C substrate", International Conference on Electronics, Information, and Communication (ICEIC 2022), Jeju, Korea, February 6-9, 2022.  

• [36] Kyung Min Kim, Dong-Wook Park, "바이오센서를 위한 플렉서블 유기박막 트랜지스터 어레이 개발", The 29th Korean Conference on Semiconductors (KCS 2022), Gangwon, Korea, January 24-26, 2022.

• [35] Kyung Min Kim, Yoo Jeong Ko, Seung Jin Lim, Hye-Yoon Jeong, Ah-Hyun Hong, Jae-Won Park, Dong-Wook Park, "바이오센서용 플렉서블 유기박막 트랜지스터 어레이 개발", Autumn Annual Conference of IEIE, Incheon, Korea, December 26-27, 2021. 

• [34] Jae-Won Park, Dong-Wook Park, "Fabrication of flexible bottom-gate Mos2 transistor array on a parylene C substrate", 2021 Asia-Pacific Workshop on Fundamentals and Applications of Advanced Semiconductor Devices (AWAD 2021), Virtual, August 26-27, 2021. 

• [33] Hyungjun Choi, Kyeong Min Kim, Woojin Yang, Jae-Won Park, Dong-Wook Park, "국소면적 근전도 신호 측정을 위한 PEDOT:PSS 기반 유연 마이크로전극 어레이", Autumn Annual Conference of IEIE, Gwangju, Korea, November 27-28, 2020.

• [32] Dongjun Han, Hyungjun Choi, Kyeong Min Kim, Hyo-eun Choi,Minkyo Choi, Dong-Wook Park, "용액 공정을 이용한 투명유연전극 개발", Autumn Annual Conference of IEIE, Gangneung, Korea, November 22-23, 2019.

• [31] Ju-Hwan Kim, Dong-Wook Park, "Investigation of Long-term Reliability of Parylene-C coated neural electrode using in-vitro soak test," 10th International Conference on Materials for Advanced Technologies (ICMAT), Marina Bay Sands, Singapore, June 23-28, 2019. 

• [30] Jae-Won Park, Seung-Bum Lim, Hyo-sang Seo, Ju-Hwan Kim, Dong-Wook Park, "Patterned implantable triboelectric nanogenerator for biochip", The 26th Korean Conference on Semiconductors (KCS), Korea, Feb 13-15, 2019. 

• [29] [Invited] Dong-Wook Park, "Transparent graphene electrodes for next-generation neural implants", 2018 Asia-Pacific Workshop on Fundamentals and Applications of Advanced Semiconductor Devices (AWAD), Kitakyushu, Japan, July 2-4, 2018. 

• [28] Yei Hwan Jung, Dong-Wook Park, Hyungsoo Kim, Jihye Bong, Justin Williams, Zhenqiang Ma, “Transparent Electronics and Optoelectronics for Neural Imaging and Optogenetics Application”, Materials Research Society (MRS) Fall meeting, Boston, MA, USA, November 27-December 2, 2016.

• [27] Yun-Yi Pai, Dong-Wook Park, Mengchen Huang, Anil Annadi, Hyungwoo Lee, Zhenqiang Ma, Chang-Beom Eom, Patrick Irvin, and Jeremy Levy, “Vertical gating of LaAlO3/SrTiO3 field-effect devices”, American Physical Society (APS) March meeting, Baltimore, MD, USA, March 14-18, 2016.

• [26] D.-W. Park, S. K. Brodnick, D.-H. Baek, A. Schendel, S. Mikael, T. Richner, J. Ness, F. Atry, J. Novello, H. Kim, S. Thongpang, R. Pashaie, Z. Ma, J. Williams, “Transparent graphene micro-Electrocorticography and its electrochemical impedance spectroscopy”, Society for Neuroscience, 45th annual meeting, Chicago, IL, USA, October 17-21, 2015.

• [25] S. K. Brodnick, J. Ness, C. Vokoun, J. Novello, D.-W. Park, S. Mikael, D.-H. Baek, T. Richner, K. W. Eliceiri, L. Krugner-Higby, Z. Ma, J. Williams, “In vivo imaging of spacial and temporal propagation of neural activity after stimulation with a CLEAR microECoG array in GCaMP6f mice”, Society for Neuroscience, 45th annual meeting, Chicago, IL, USA, October 17-21, 2015.

• [24] D.-H. Baek, S. K. Brodnick, D.-W. Park, H. Kim, S.-H. Lee, J. Williams “A mesh structure based polyimide microelectrode for long-term epidural-ECoG recording”, Society for Neuroscience, 45th annual meeting, Chicago, IL, USA, October 17-21, 2015.

• [23] J. C. Williams, D.-W. Park, A. A. Schendel, S. Mikael, S. K. Brodnick, T. J. Richner, J. P. Ness, J. Novello, M. R. Hayat, F. Atry, S. T. Frye, R. Pashaie, S. Thongpang, Z. Ma, “Transparent Graphene Neural Electrodes for Integrated Electrophysiology, Imaging and Optogenetics”, Biomedical Engineering Society (BMES) Annual meeting, Tampa, Florida, USA, Oct. 7-10, 2015

• [22] (Invited Keynote) Zhenqiang Ma, Dong-Wook Park, Justin C. Williams, “Graphene neural sensors for next generation in vivo imaging and optogenetics”, Great Lakes Symposium on VLSI 2015, Pittsburgh, Pennsylvania, USA, May 20-22, 2015.

• [21] D.-W. Park, A. A. Schendel, S. Mikael, S. K. Brodnick, T. J. Richner, J. P. Ness, M. R. Hayat, F. Atry, S. T. Frye, R. Pashaie, S. Thongpang, Z. Ma, and J. C. Williams, “Graphene brain sensors for neural imaging and optogenetic applications”, Neuroimaging, Computational Neuroscience, and Neuroengineering Workshop, Madison, WI, USA, April 27-May 1, 2015.

• [20] D.-W. Park, T.-H. Chang, S. Mikael, J.-H. Seo, P.F. Nealey and Zhenqiang Ma, “Graphene RF transistors with buried bottom gate”, 13th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems (SiRF’13), Austin, TX, USA, January 21-23, 2013.

• [19] Bo-Yong Chung, Dong-Wook Park, Yong-Sung Park, Deok-Young Choi, Keumnam Kim, Byung-Hee Kim, Sang Soo Kim, “21.2: Driving Method for a 2D-3D Switchable AMOLED using Progressive or Simultaneous Emission”, SID Symposium, Los Angeles, USA, May, 2011.

• [18] Kyung-Hoon Chung, Bo-Yong Chung, Seong-Il Park, Dong-Wook Park, Sang-Moo Choi, Kuemnam Kim, Byung-Hee Kim, and Sang Soo Kim, “27.1: Intergrated PMOS Gate Driver for 3D AMOLED TV”, SID Symposium, Los Angeles, USA, May, 2011

• [17] Dong-Wook Park et al, “High-Speed AMOLED Pixel Circuit and Driving Scheme”, SID Symposium Digest 41, pp. 806-809, Seattle, WA, USA, May 25-28, 2010.

• [16] Dong-Wook Park et al, "Low Hysteresis Organic Thin -Film Transistors and Inverters with Hybrid Gate Dielectric", 2006 International Conference on Solid State Devices and Materials, pp.928-929, Yokohama, Japan, September 13-15, 2006.

• [15] Cheon An Lee, Dong-Wook Park, Keum-Dong Jung, Jong Duk Lee, and Byung-Gook Park, "Full-swing pentacene organic inverter with long-channel driver and short-channel load", 2006 International Conference on Solid State Devices and Materials, pp.774-775, Yokohama, Japan, September 13-15, 2006.

• [14] Dong-Wook Park et al, "Bias stress effect in organic thin-film transistors with cross-linked PVA gate dielectric and its reduction method using SiO2 blocking layer", 2006 International Meeting on Information Display, pp.445-448, Daegu, Korea, August 22-25, 2006.

• [13] Keum-Dong Jung, Cheon An Lee, Dong-Wook Park, Byung-Gook Park, Hyungcheol Shin, and Jong Duk Lee, "Modeling of pentacene MIS capacitors with admittance measurements and the effects of dispersive charge transport", 2006 International Meeting on Information Display, pp.67-69, Daegu, Korea, August 22-25, 2006.

• [12] Dong-Wook Park, et al, "Performance Improvement of OTFTs using Double Layer Insulator", IEEE International Conference on Semiconductor Electronics, Kuala Lumpur, Malaysia, pp. 48-51, Nov. 29-Dec. 1, 2006.

• [11] Keum Dong Jung, Byung-ju Kim, Cheon An Lee, Dong-Wook Park, Byung-Gook Park, Hyungcheol Shin, Jong Duk Lee, "Considerations on the C-V Characteristics of Pentacene Metal-Insulator-Semiconductor Capacitors", IEEE International Conference on Semiconductor Electronics, Kuala Lumpur, Malaysia, pp. 572-575, Nov. 29-Dec. 1, 2006.

• [10] Keum-Dong Jung, Cheon An Lee, Dong-Wook Park, Byung-Gook Park, Hyungcheol Shin, and Jong Duk Lee, "Extraction of Accumulation Mobility from C-V Characteristics of Pentacene MIS Structures", Device Research Conference, USA, pp.139-140, June 26-28. 2006.

• [9] Jae Young Song, Woo Young Choi, Jong Pil Kim, Sang Wan Kim, Doo-Hyun Kim, Jin Ho Kim, Dong-Wook Park, Jong Duk Lee, and Byung-Gook Park, "Effects on Multi-Fin on Self-Aligned Gate-All-Around MOSFETs", International Conference on Electronics, Information, and Communication 2006, Mongolia, pp. 21-24, June 27-28, 2006.

• [8] Doo-Hyun Kim, Jung Hoon Lee, Il Han Park, Sung Jae Cho, Gil SUNG Lee, Yoon Kim, Jae Young Song, Jin Ho Kim, Dong-Wook Park, Jong Pil Kim, Jong Duk Lee, and Byung-Gook Park, "Silicon Corner Rounding for Nano-Scale Non-volatile Memory (NVM) Using Conventional Thermal Oxidation", International Conference on Electronics, Information, and Communication 2006, Mongolia, pp. 137-140, June 27-28, 2006.

• [7] Ki Hyun Lyoo, Byeong-Ju Kim, Cheon An Lee, Keum-Dong Jung, Dong-Wook Park, Byung-Gook Park, and Jong Duk Lee, "Performance improvement in bottom-contact pentacene organic thin-film transistors by the PMMA layer insertion", 2006 International Meeting on Information Display, pp.1139-1141, Daegu, Korea, August 22-25, 2006.

• [6] Dong-Wook Park et al, "Effect of Insulator Thickness in Double Layer Insulator OTFTs", The 14th Korean Conference on Semiconductors, Seogwipo, Korea, pp. 123-124, Feb. 8-9, 2007.

• [5] Dong Wook Park et al, "Pentacene OTFTs using Cross-linked PVA Gate Dielectrics and Its Reliability Characteristics", The 13th Korean Conference on Semiconductors, Jaeju Island, Korea, pp. 249-250, Feb. 23-24, 2006.

• [4] Cheon An Lee, Dong-Wook Park, Keum-Dong Jung, Byung-ju Kim, Yoo Chul Kim, Jong Duk Lee, and Byung-Gook Park, "Organic Thin-film Transistors and Ring Oscillator Using Poly(4-Vinyl Phenol)/Oxide Double Layer Gate Insulator", The 14th Korean Conference on Semiconductors, Seogwipo, Korea, pp. 127-128, Feb. 8-9, 2007.

• [3] Byeong-Ju Kim, Cheon An Lee, Dong-Wook Park, Jin-Sung Park, Pan-kwi Park, Keum-Dong Jung, Yoo Chul Kim, Byung- Gook Park, and Jong Duk Lee, "Low Voltage Organic Field Effect Transistors with Atomic Layer Deposition HfO2 and Al2O3 Gate Dielectric", The 14th Korean Conference on Semiconductors, Seogwipo, Korea, pp. 237-238, Feb. 8-9, 2007.

• [2] Yoo Chul Kim, Cheon An Lee, Dong-Wook Park, Keum-Dong Jung, Byung-Ju Kim, Jong Duk Lee, and Byung-Gook Park, "Fabrication of D Flip-Flop Using P-type Organic Thin-Film Transistors", The 14th Korean Conference on Semiconductors, Seogwipo, Korea, pp. 687-688, Feb. 8-9, 2007.

• [1] Keum-Dong Jung, Yoo Chul Kim, Cheon An Lee, Dong-Wook Park, Byung-Gook Park, Hyungcheol Shin, and Jong Duk Lee, "Extraction of Bulk Resistance Using Admittance Modeling of Pentacene MIS Structure", The 14th Korean Conference on Semiconductors, Seogwipo, Korea, pp. 259-260, Feb. 8-9, 2007. 

Patents

(Total 18 US patents and 5 US patent pending, 22 Korea patents/patent pending)

• [23] Dong-Wook Park, “Organic light emitting display device, driving method thereof, and manufacturing method thereof,” United States Patent # 9501978, Nov 22, 2016

• [22] Kinyeng Kang, Dong-Wook Park, Keumnam Kim, “Organic light emitting display device,” United States Patent # 9324777, April 26, 2016

• [21] Dong-Wook Park, Kinyeng Kang, Keumnam Kim, “Driver and display device using the same,” United States Patent # 9311856, April 12, 2016

• [20] Dong-Wook Park, Ki-Nyeng Kang, Deok-Young Choi, “Organic Light Emitting Diode Display Device,” United States Patent # 9305478, April 5, 2016

• [19] Dong-Wook Park, Chul-Kyu Kang, Keumnam Kim, “Pixel and organic light emitting display device using the same,” United States Patent # 9299289, March 29, 2016

• [18] Ki-Wook Kim, Dong-Wook Park, “Organic Light-Emitting Display Apparatus,” United States Patent # 9281351, March 8, 2016

• [17] Dong-Wook Park, Ki-Wook Kim, Keum-Nam Kim, “Organic light emitting display,” United States Patent # 9142601, September 22, 2015

• [16] Roman Kondratyuk, Ki-Ju Im, Dong-Wook Park, Yeon-Gon Mo, Hye-Dong Kim, “Thin film transistor, Method of manufacturing the thin film transistor and organic light emitting display device have the thin film transistor,” United States Patent # 8963214, February 24, 2015

• [15] Dong-Wook Park, Chul-Kyu Kang, Keumnam Kim, “Pixel and organic light emitting display device using the same,” United States Patent # 8941567, January 27, 2015

• [14] Won-Kyu Kwak, Dong-Wook Park, Hae-Jin Chun, “Organic light emitting display and mother substrate thereof,” United States Patent # 8937584, January 20, 2015

• [13] Dong-Wook Park, Ki-Ju Im, Kiwook Kim, Yeon-Gon Mo, Huiwon Yang, “Pixel circuit of a flat panel display device and method of driving the same,” United States Patent # 8,928,564, January 6, 2015

• [12] Zhenqiang Ma, Justin C. Williams, Dong-Wook Park, Amelia A. Schendel, Solomon T. Mikael, “TRANSPARENT AND FLEXIBLE NEURAL ELECTRODE ARRAYS,” United States Patent Filed 14/329067, July 11, 2014

• [11] Yong-Sung Park, Chul-Kyu Kang, Dong-Wook Park, Bo-Yong Chung, “Organic light emitting display device,” United States Patent # 8854347, October 7, 2014

• [10] Dong-Wook Park, “Organic light emitting display device, driving method thereof, and manufacturing method thereof,” United States Patent # 8717259, May 6, 2014

• [9] Dong-Wook Park, Won-Kyu Kwak, “Organic light emitting display device,” United States Patent # 8587576, November 19, 2013

• [8] Won-Kyu Kwak, Dong-Wook Park, “Organic light emitting display device with data distributor,” United States Patent # 8581812, November 12, 2013

• [7] Dong-Wook Park, Jong-Hyun Park, “Methods of manufacturing wire, TFT, and flat panel display device,” United States Patent # 8513070, August 20, 2013

• [6] Dong-Wook Park, Kyung-Hoon Chung, “Light emission control driver, light emitting display device using the same, and method for driving light emission control signal,” United States Patent # 8416177, April 9, 2013

• [5] Dong-Wook Park, Se-Ho Kim, Jung-Keun Ahn, Hang-Sung Bae, Dong-Hwi Kim, Chang-Yeop Kim, Ok-Kyung Park, Kwang-Min Kim, “Organic light emitting display device,” United States Patent # 8368675, February 5, 2013

• [4] Kyung-Hoon Chung, Seong-Il Park, Dong-Wook Park, “Scan driver and method of driving the same,” United States Patent Filed # 13/137,974, September 9, 2011

• [3] Dong-Wook Park, Chul-Kyu Kang, “Organic electroluminescence emitting display and method of manufacturing the same,” United States Patent Filed # 12/067172, May 13, 2011

• [2] Won-Kyu Kwak, Dong-Wook Park, Sang-Moo Choi, “Organic light emitting display device,” United States Patent Filed # 12/774,638, May 5, 2010

• [1] Dong-Wook Park, Keumnam Kim, “Pixel circuit, Organic light emitting display, and method of controlling brightness thereof,” United States Patent Filed # 12/759131, April, 2010