Dong-Wook Park Department of Electrical and Computer Engineering, University of Wisconsin-Madison B640 Engineering Hall, 1415 Engineering Drive, Madison, WI 53706 Mobile: +1-608-556-7877 Email: dpark39@wisc.edu Research Interests Graphene neural electrodes (u-ECoG, ERG) for brain-computer interface (BCI) Transparent and flexible graphene transistors Flexible transistors and circuits using silicon nanomembrane (SiNM) DNA sequencing device based on silicon field effect transistors and microfluidics Experience 2011.09-Present Research Assistant, University of Wisconsin-Madison, WI, USA Graphene electronics, Bio-compatible and flexible devices 2007.02-2011.07 R&D Engineer, Samsung Display Co. Ltd., Korea AMOLED circuit and panel design for large-sized 3D TV and mobile applications 2006.02-2007.02 Teaching Assistant, Seoul National University Semiconductor process (Photolithography) education at Inter-University Semiconductor Research Center (ISRC) Education 2011.09-Present University of Wisconsin-Madison, WI, USA Ph.D candidate, Department of Electrical and Computer Engineering, 2005.03-2007.02 Seoul National University, Korea M.S. School of Electrical Engineering, 2001.03-2005.02 Kyungpook National University, Korea B.S. Department of Electrical Engineering and Computer Science, Academic scholarship for 7 semesters Technical Skills Device fabrication and simulation: Graphene-based neural electrodes on Parylene C, Graphene RF transistors, Flexible graphene transistors, Organic TFTs and circuits, Siliconbased transistors, Simulation tools: Silvaco’s Athena, Atlas, Medici Circuit design and simulation: AMOLED (Active Matrix Organic Light Emitting Diode) pixel and scan driver design, full panel design, Simulation tools: Cadence’s virtuoso, mentor’s DA-IC, calibre DRC/LVS, smart spice, H-spice, ADS, etc. Instrumentation skills: Photolithography, dry and wet etching, metal/dielectric evaporators, E-beam lithography, DC and RF measurement, SEM, Raman spectroscopy, Electrical Impedance Spectroscopy (EIS), Cyclic voltammetry (CV) using PGSTAT, etc. Microfluidics: microfluidics combined with silicon and PDMS/glass PUBLICATIONS Journals [1] 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, “Graphene-based carbon-layered electrode array technology for neural imaging and optogenetic applications,” Nature Communications, 5:5258 doi: 10.1038/ncomms6258, Oct. 2014. http://www.darpa.mil/NewsEvents/Releases/2014/10/20.aspx http://www.news.wisc.edu/23214 [2] Dong-Wook Park, Chul-Kyu Kang, Yongsung Park, Boyong Chung, Kyung-Hoon Chung, Keumnam Kim, Byung-Hee Kim, and Sang Soo Kim, "High-speed pixel circuit for large-sized 3D AMOLED displays,” Journal of the SID, April. 2011. [3] Dong-Wook Park, Cheon An Lee, Keum-Dong Jung, Byeong-Ju Kim, Byung-Gook Park, Hyungcheol Shin, and Jong Duk Lee, "Electrically Stable Organic Thin-Film Transistors and Circuits Using Organic/Inorganic Double-Layer Insulator", Japanese Journal of Applied Physics, Vol. 46, No. 4B, pp. 2640-2644, April 2007. [4] 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", Japanese Journal of Applied Physics, Vol. 46, No. 4B, pp. 2661-2665, April 2007. [5] Keum-Dong Jung, Cheon An Lee, Dong-Wook Park, Byung-Gook Park, Hyungcheol Shin, and Jong Duk Lee, "Admittance Measurements on OFET Channel and Its Modeling With R-C Network," IEEE Electron Device Letters, Vol. 28, No. 3, pp. 204-206, March 2007. [6] Dong-Wook Park, Cheon An Lee, Keum-Dong Jung, Byung-Gook Park, Hyungcheol Shin, and Jong Duk Lee, "Low hysteresis pentacene thin-film transistors using SiO2/cross-linked poly(vinyl alcohol) gate dielectric," Appl. Phys. Lett., Vol. 89, pp. 263507-263509, Dec. 2006. [7] Cheon An Lee, Dong-Wook Park, Keum-Dong Jung, Byung-ju Kim, Yoo Chul Kim, Jong Duk Lee, and Byung-Gook Park, "Hysteresis mechanism in pentacene thin-film transistors with poly(4-vinyl phenol) gate insulator," Appl. Phys. Lett., Vol. 89, pp. 262120-262122, Dec. 2006. [8] Cheon An Lee, Dong Wook Park, Sung Hun Jin, Il Han Park, Jong Duk Lee, and Byung-Gook Park, "Hysteresis mechanism and reduction method in the bottom-contact pentacene thin-film transistors with crosslinked poly(vinyl alcohol) gate insulator," Appl. Phys. Lett., Vol. 88, Issue 25, pp. 252102, June 2006. Conferences [1] Dong-Wook 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, January 21-23, 2013.[INTL] [2] Dong-Wook Park et al, “High-Speed AMOLED Pixel Circuit and Driving Scheme,” SID Symposium Digest 41, pp. 806-809, Seattle, USA, May 25-28, 2010.[INTL] [3] 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.[INTL] [4] 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.[INTL] [5] 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.[INTL] [6] 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. [INTL] [7] 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. [INTL] [8] 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. [INTL] [9] 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.[INTL] [10] 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.[INTL] [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. 572575, Nov. 29-Dec. 1, 2006.[INTL] [12] 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. [INTL] [13] 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. [INTL] [14] 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.[INTL] [15] 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. [16] 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. 2324, 2006. [17] 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. 127128, Feb. 8-9, 2007. [18] 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. [19] 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. [20] 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 [1] 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 [2] Dong-Wook Park, Se-Ho Kim, Jung-Keun Ahn, Hang-Sung Bae, Dong-Hwi Kim, Chang-Yeop Kim, OkKyung Park, Kwang-Min Kim, “Organic light emitting display device,” United States Patent # 8,368,675, February 5, 2013 [3] 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 # 8,416,177, April 9, 2013 [4] Dong-Wook Park, Jong-Hyun Park, “METHODS OF MANUFACTURING WIRE, TFT, AND FLAT PANEL DISPLAY DEVICE”, United States Patent # 8,513,070, August 20, 2013 [5] Dong-Wook Park, Won-Kyu Kwak, “Organic light emitting display,” United States Patent # 8,587,576, November 19, 2013 [6] Dong-Wook Park, Ki-Nyeng Kang, Deok-Young Choi, “Organic Light Emitting Diode Display Device,” United States Patent Filed 13/397563, November 22, 2012 [7] Dong-Wook Park, Ki-Wook Kim, Keum-Nam Kim, “Organic light emitting display,” United States Patent Filed 13/413,557, March 6, 2012 [8] Dong-Wook Park, Kinyeng Kang, Keumnam Kim, “Driver and display device using the same,” United States Patent Filed 13/315,548, December 9, 2011 [9] 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 [10] Ki-Wook Kim, Dong-Wook Park, “Organic Light-Emitting Display Apparatus,” United States Patent Filed 13/243,324, September 23, 2011 [11] 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 [12] Dong-Wook Park, “Organic light emitting display device, driving method thereof, and manufacturing method thereof,” United States Patent Filed 13/179,423, July 8, 2011 [13] Kinyeng Kang, Dong-Wook Park, Keumnam Kim, “Organic light emitting display device,” United States Patent Filed 12/985168, January 5, 2011 [14] 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 Filed 12/944641, Nov., 2010 [15] Dong-Wook Park, Chul-Kyu Kang, Keumnam Kim, “Pixel and organic light emitting display device using the same,” United States Patent Filed 12/900333, Oct., 2010 [16] Dong-Wook Park, Keumnam Kim, “Pixel circuit, Organic light emitting display, and method of controlling brightness thereof,” United States Patent Filed 12/759131, Apr., 2010 [17] Won-Kyu Kwak, Dong-Wook Park, Hae-Jin Chun, “Organic light emitting display and mother substrate thereof,” United States Patent Filed 12/791,225, Jun.,2010 [18] Won-Kyu Kwak, Dong-Wook Park, “Organic light emitting display device,” United States Patent Filed 12/783,481 [19] Won-Kyu Kwak, Dong-Wook Park, Sang-Moo Choi, “Organic light emitting display device,” United States Patent Filed 12/774,638 [20] 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 Filed 12/892,820, Sep., 2010 And 2 more United States Patents in process (Total USA 22, Korea 20, and Intl. 31) Reference Prof. Zhenqiang (Jack) Ma Department of Electrical and Computer Engineering University of Wisconsin-Madison, WI, USA Phone: +1-608-261-1095 E-mail: mazq@engr.wisc.edu Prof. Justin Williams Department of Biomedical Engineering Department of Neurological Surgery University of Wisconsin-Madison, WI, USA Phone: +1-608-265-3952 E-mail: jwilliams@engr.wisc.edu Updated in October 22, 2014