Publications

Journal papers

[23] Sungju Choi, Inseok Chae, Jingyu Park, Youngjin Seo, Chang Il Ryoo, Dong Myong Kim, Sung-Jin Choi, Dong-Wook Park, Dae Hwan Kim "Extraction Technique for Flat Band Voltage Using Multi-Frequency C – V Characteristics in Amorphous InGaZnO Thin-Film-Transistors," IEEE Electron Device Letters, 41(12), 1778-1781, December 2020.

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


[22] Bong-Jun Choi, Ju-Hwan Kim, Woo-Jin Yang, Dong-Jun Han, Jaewon Park, Dong-Wook Park, "Parylene-Based Flexible Microelectrode Arrays for the Electrical Recording of Muscles and the Effect of Electrode Size," Applied Sciences, 10, 7364, October 2020.

Link: https://doi:10.3390/app10207364


[21] 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, "Cuff and sieve electrode (CASE): the combination of neural electrodes for bi-directional peripheral nerve interfacing," Journal of Neuroscience Methods, 108602, April 2020.

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


[20] Sungju Choi, Hyun-Sun Mo, Jungmok Kim, Seohyun Kim, Seung Min Lee, Sung-Jin Choi, Dong-Wook Park*, Dae Hwan Kim*, "Experimental Extraction of Stern-Layer Capacitance in Biosensor Detection Using Silicon Nanowire Field-Effect Transistors," Current Applied Physics, 20(6), 828-833, March 2020.

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


[19] 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, "Radiolucent implantable electrocardiographic monitoring device based on graphene," Carbon, 152, 946-953, July 2019.

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


[18] [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, “Progress in the Field of Micro-Electrocorticography,” Micromachines, 10(1), 62, January 2019.

Link: doi:10.3390/mi10010062


[17] 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, “Single-neuronal cell culture and monitoring platform using a fully transparent microfluidic DEP device,” Scientific Reports, 8(1), 13194, September 2018.

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


[16] 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, “Electrical neural stimulation and simultaneous in vivo monitoring with transparent graphene electrode arrays implanted in GCaMP6f mice,” ACS Nano, 12(1), 148-157, January 2018.

Link: doi:10.1021/acsnano.7b04321


[15] 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, “Corneal potential maps measured with multi-electrode electroretinography in rat eyes with experimental lesions”, Investigative ophthalmology and visual science, 58, 2863-2873, June 2017.

Link: doi:10.1167/iovs.16-20726


[14] Solomon Mikael*, Jung-Hun Seo*, Dong-Wook Park*, Munho Kim, Hongyi Mi, Shaoqin Gong, and Zhenqiang Ma, “Triaxial compressive strain in bilayer graphene enabled by nitride stressor layer,” Extreme Mechanics Letters, 11, 77-83, February 2017.

Link: doi:10.1016/j.eml.2016.09.002


[13] 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, “Fabrication and utility of a transparent graphene neural electrode array for electrophysiology, in vivo imaging, and optogenetics,” Nature Protocols, 11, 2201-2222, October 2016.

Link: doi:10.1038/nprot.2016.127


[12] Dong-Wook Park, Hyungsoo Kim, Dong-Hyun Baek, Jihye Bong, Tong June Kim, Justin C. Williams, and Zhenqiang Ma, “Flexible bottom-gate graphene transistors on Parylene C substrate and the effect of current annealing,” Applied Physics Letter, 109 (15), 152105, October 2016.

Link: doi:10.1063/1.4964853


[11] Minkyu Cho, Jung-Hun Seo, Dong-Wook Park, Weidong Zhou, and Zhenqiang Ma, “Capacitance-voltage characteristics of Si and Ge nanomembranes based flexible metal-oxide semiconductor device under bending conditions,” Applied Physics Letter, 108 (23), 233505, June 2016.

Link: doi:10.1063/1.4953458


[10] 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, “High-performance green flexible electronics based on biodegradable cellulose nanofibril paper,” Nature Communications, 6, 7170, May 2015.

Link: doi:10.1038/ncomms8170


[9] Dong-Wook Park, Solomon Mikael, Tzu-Hsuan Chang, Shaoqin Gong, and Zhenqiang Ma, “Bottom-gate coplanar graphene transistors with enhanced graphene adhesion on atomic layer deposition Al2O3,” Applied Physics Letter, 106 (10), 102106, March 2015.

Link: doi:10.1063/1.4914926


[8] 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, 6258, October 2014.

Link: doi:10.1038/ncomms6258


[7] 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 Society for Information Display, 19 (4), 329-334, April 2011.

Link: doi:10.1889/JSID19.4.329


[6] 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, 46, No. 4B, 2640-2644, April 2007.

Link: doi:10.1143/JJAP.46.2640


[5] 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, 46, No. 4B, 2661-2665, April 2007.

Link: doi:10.1143/JJAP.46.2661


[4] 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, 28, No. 3, 204-206, March 2007.

Link: doi:10.1109/LED.2007.891256


[3] 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," Applied Physics Letter, 89 (26), 263507, Dec. 2006.

Link: doi:10.1063/1.2424666


[2] 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," Applied Physics Letter, 89 (26), 262120, Dec. 2006.

Link: doi:10.1063/1.2425042


[1] 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 cross-linked poly(vinyl alcohol) gate insulator," Applied Physics Letter, 88 (25), 252102, June 2006.

Link: doi:10.1063/1.2213969

Conference

  • [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