Curriculum Vitae
YoungKi Kim
CURRICULUM VITAE
Young Ki Kim
1425 Lefton Esplanade ● Kent, Ohio 44242-0001 ● ykim14@kent.edu ● 330-968-5885
EDUCATION
Ph.D., Chemical Physics Interdisciplinary Program, 2009 – Present
Kent State University, Kent, Ohio
Concentration : Physics of Liquid Crystals
Adviser : Dr. Oleg. D. Lavrentovich
GPA : 3.79 / 4.0
M. Eng., Information Display Engineering, 2007 – 2009
Hanyang University, Seoul, Korea
Concentration : Display Engineering
Adviser : Dr. Jae-Hoon Kim
GPA : 4.31 / 4.5
B. S., Physics, 2001 – 2007*
Korea University, Seoul, Korea
GPA : 4.13 / 4.5
* Military Service in Korean Army : 2003 - 2005
AWARDS, ACHIEVEMENTS
1. University Fellowship, Kent State University, Fall Semester 2013 - Spring Semester 2014
2. Graduate Student Senate Domestic Travel Grant, Kent State University, Fall Semester
2013
3. Graduate Student Senate International Travel Grant, Kent State University, Summer
Semester 2013
4. Graduate Student Senate Domestic Travel Grant, Kent State University, Spring Semester
2013
5. Graduate Student Senate Domestic Travel Grant, Kent State University, Spring Semester
2012
6. Chisso Korea Scholarship, Hanyang University, Spring Semester 2008 - Fall Semester
2008
7. Brain Korea 21 Scholarship, Hanyang University, Fall Semester 2007 – Fall Semester 2008
8. Honors Student Scholarship, Korea University, Spring Semester 2007
9. Best Honors Student Scholarship, Korea University, Fall Semester 2006
10. Best Honors Student Scholarship, Korea University, Spring Semester 2006
YoungKi Kim
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Curriculum Vitae
YoungKi Kim
RESEARCH EXPERIENCE
1. Research Assistant (2009 – Present)
Liquid Crystal Institute, Kent State University, Kent, Ohio
Adviser : Dr. Oleg D. Lavrentovich
2. Research Assistant (2007 – 2009)
Department of Information Display Engineering, Hanyang, University, Seoul, Korea
Adviser : Dr. Jae-Hoon Kim
3. Research Assistant (2005 – 2007)
Department of Physics, Korea University, Seoul, Korea
Adviser : Dr. Sung-Tae Shin
TEACHING EXPERIENCE
1. Teaching Assistant, Kent State University, Kent, Ohio
 General College Physics I, Spring Semester 2011
2. Teaching Assistant, Hanyang University, Seoul, Korea
 Display Engineering, Spring Semester 2009
 Simulation of LCD Panel Design, Fall Semester 2008
3. Teaching Assistant, Korea University, Seoul, Korea
 Electromagnetic I, Spring Semester 2007
 Electromagnetic II, Fall Semester 2006
 Physics of Liquid Crystal Display, Spring Semester 2006
PROFESSIONAL SKILLS
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Strong background in liquid crystal physics, LCD applications (1 year industrial experience
with Samsung LCD) and material sciences.
Proficient in Labview program
Extensive experience and background on Electro- and Magneto-optics
Optical Microscopy : Polarizing Optical Microscopy, Conoscopy, Polscope
3D Microscopy : Fluorescence Confocal Polarizing Microscopy (FCPM), Coherent AntiStokes Raman Scattering Microscopy (CARS)
Transmittance Electron Microscopy (TEM) : Freeze Fracture TEM, Cryo-TEM
9 years Cleanroom Work Experience : Proficient in lithography, channel patterning
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YoungKi Kim
LIST OF PUBLICATIONS IN REFEREED JOURNALS
1. Y. –K. Kim, G. Cukrov, and O. D. Lavrentovich, “Search for Macroscopic Nematic
Biaxiality in the Cybotactic Nematic Phase of New Oxadiazole Bent-Core Mesogens”, In
Preparation (2015).
2. Y. –K. Kim, S. Zhou, G. Mehl, S. –T. Shin, A. Jákli, and O. D. Lavrentovich, “Homeotropic
Alignment Technique for Nontrivial Shape of Liquid Crystal Molecules”, In Preparation
(2015).
3. J. S. Gwag, Y. –K. Kim, C. H. Lee, and J. –H. Kim, “Realization of Multi-Stable Ground
States in a Nematic Liquid Crystal by Surface and Electric Field Modification”, submitted
(2015).
4. Y. –K. Kim, G. Cukrov, J. Xiang, S. –T. Shin, and O. D. Lavrentovich, “Domain Walls and
Anchoring Transitions Mimicking Nematic Biaxiality in the Oxadiazole Bent-Core Liquid
Crystal C7”, Soft Matter, DOI: 10.1039/C5SM00580A (2015), Selected for Front Cover
Page.
5. M. Gao, Y. –K. Kim, C. Zhang, V. Borshch, S. Zhou, H. –S. Park, A. Jákli, O. D.
Lavrentovich, M. –G. Tamba, G. H. Mehl, U. Baumeister, W. Weissflog, D. Studer, B. Zuber,
H. Gnagi, and F. Lin, “Comparative Analysis of Liquid Crystal Nanoscale Imaging Using
Cryo-TEM and Freeze Fracture TEM: Specimen Preparation and Imaging Techniques”,
Microscopy Research and Technique, 77, 754 (2014), Selected for Featured Article.
6. Y. –K. Kim, B. Randall, S. Chakraborty, M. Gao, J. T. Gleeson, R. J. Twieg, A. Jákli, and O.
D. Lavrentovich, “Properties of the Nematic Phase of a Laterally Linked H-Shaped Liquid
Crystal Dimer”, Liquid Crystals, 41, 1345 (2014), Selected for Front Cover Page.
7. Y. –K. Kim, B. Senyuk, S. –T. Shin, G. H. Mehl, and O. D. Lavrentovich, “Surface
Alignment, Anchoring Transitions, Optical Properties and Topological Defects in the
Thermotropic Nematic Phase of an Organo-Siloxane Tetrapodes”, Soft Matter, 10, 500
(2014), Selected for January Hot Papers.
8. V. Borshch, Y. –K. Kim, J. Xiang, M. Gao, A. Jákli, V. Panov, J. Vij, C. Imrie, M. Tamba,
G. Mehl, and O. D. Lavrentovich, “Nematic Twist-Bend Phase with Nanoscale Modulation
of Molecular Orientation”, Nature Communications, 4, 2635 (2013).
9. Y. –K. Kim, S. V. Shiyanovskii, and O. D. Lavrentovich, “Morphogenesis of Defects and
Tactoids during Isotropic-Nematic Phase Transition in Self-Assembled Lyotropic Chromonic
Liquid Crystals”, Journal of Physics : Condensed Matter, 25, 404202 (2013), Invited
Paper for Special Issue & Selected for Featured Article.
10. O. D. Lavrentovich, Y. –K. Kim, and B. Senyuk, “Optical Manifestation of Thermal
Expansion of a Nematic Liquid Crystal”, Proceeding of SPIE, 8475, 8475G-1 (2012).
11. Y. –K. Kim, B. Senyuk, and O. D. Lavrentovich, “Molecular Reorientation of a Nematic
Liquid Crystal by Thermal Expansion”, Nature Communications, 3, 1133 (2012).
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12. Y. –K. Kim, M. Majumdar, B. I. Senyuk, L. Tortora, J. Seltmann, M. Lehmann, A. Jákli, J. T.
Gleeson, O. D. Lavrentovich, and S. Sprunt, “Search for Biaxiality in a Shape-Persistent
Bent-Core Nematic Liquid Crystal”, Soft Matter, 8, 8880 (2012).
13. J. S. Gwag, Y. –K. Kim, Y. –J. Lee, J. –H. Baek, and J. –H. Kim, “Anchoring Competition
on Nanosurface Boundaries with Conflicting Mixed Nematic Anchoring Properties”,
Japanese Journal of Applied Physics, 51, 034102 (2012).
14. B. Senyuk, Y. –K. Kim, L. Tortora, S. –T. Shin, S. V. Shiyanovskii, and O. D. Lavrentovich,
“Surface Alignment, Anchoring Transitions, Optical Properties and Topological Defects in
Nematic Bent-Core Materials C7 and C12”, Molecular Crystals and Liquid Crystals, 540,
20 (2011).
15. Y. –J. Lee, Y. W. Kim, Y. –K. Kim, C. –J. Yu, J. S. Gwag, and J. –H. Kim, “Microlens
Array Fabricated using Electrohydrodynamic Instability and Surface Properties”, Optics
Express, 19, 10673 (2011).
16. S. I. Jo, Y. –K. Kim, S. W. Choi, Y. –J. Lee, J. –H. Kim, and C. –J. Yu, “Advanced Surface
Treatment Technology for Improving the performance of the Liquid Crystal Display”,
Proceeding of SPIE, 7956, 79560L-1 (2011).
17. Y. –J. Lee, C. –J. Yu, Y. –K. Kim, S. I. Jo, and J.-H. Kim, “Direct Image of a Molecular
Orientation of a Liquid Crystal using Directional Polymerization of Photoreactive Mesogen”,
Applied Physics Letters, 98, 033106 (2011).
18. Y. –J. Lee, Y.-K. Kim, S. I. Jo, K.-S. Bae, B.-D. Choi, J.-H. Kim, and C.-J. Yu, “Fast
Vertical Alignment Mode with Continuous Multi-Domains for a Liquid Crystal Display”,
Optics Express, 17, 23417 (2009).
19. Y. -K. Kim, J. S. Gwag, J. H. Park, Y. –J. Lee, and J. –H. Kim, “Scaling of Defect Domain
by Reverse Twist in Chiral Hybrid In-Plane Switching LC Mode”, Molecular Crystals and
Liquid Crystals, 508, 236 (2009).
20. Y. -J. Lee, Y.-K.Kim, S. I. Jo, J. S. Gwag, C. –J. Yu, and J. –H. Kim, “Surface-Controlled
Patterned Vertical Alignment Mode with Reactive Mesogen”, Optics Express, 17, 10298
(2009).
21. Y. –J. Lee, J. S. Gwag, Y.-K. Kim, S. I. Jo, S.-G. Kang, Y. R. Park, and J.-H. Kim, “Control
of Liquid Crystal Pretilt Angle by Anchoring Competition of the Stacked Alignment Layers”,
Applied Physics Letters, 94, 041113 (2009).
22. J. S. Gwag, Y. –K. Kim, K. Sohn, and J. –H. Kim, “Electro-Optical Characteristics of a
Chiral Hybrid In-Plane Switching Liquid Crystal Mode for High Brightness”, Optics
Express, 16, 12220 (2008).
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YoungKi Kim
LIST OF PROCEEDINGS & PRESENTATIONS
1. Y. –K. Kim, G. Cukrov, J. Xiang, S. –T. Shin, O. D. Lavrentovich, “Domain walls
mimicking nematic biaxiality in the oxadiazole bent-core liquid crystal C7”, Ohio-Region
Section of the APS Spring Meeting, Kent, Ohio, USA (2015).
2. G. Cukrov, Y. –K. Kim, O. D. Lavrentovich, “Temperature dependence of topological defect
in the twist-bend nematic liquid crystal droplets dispersed in isotropic fluid”, Ohio-Region
Section of the APS Spring Meeting, Kent, Ohio, USA (2015).
3. Y. –K. Kim, and O. D. Lavrentovich, “Characterization of Physical Properties in Liquid
Crystals Using Various Techniques”, SID, OSA, SPIE Student Chapter Presentation, Kent,
USA (2014).
4. Y. –K. Kim, R. Breckon, S. Chakraborty, M. Gao, S. N. Sprunt, J. T. Gleeson, R. J. Twieg,
A. Jákli, and O. D. Lavrentovich, “Properties of the broad-range nematic phase of a laterally
linked H-shaped liquid crystal dimer”, Advanced in Liquid Crystal Science, Kent, USA
(2014)
5. Y. –K. Kim, R. Breckon, S. Chakraborty, M. Gao, S. N. Sprunt, J. T. Gleeson, R. J. Twieg,
A. Jákli, and O. D. Lavrentovich, “Properties of the broad-range nematic phase of a laterally
linked H-shaped liquid crystal dimer”, SOFT-Fire (Soft matter-from fundamental aspects to
industrial perspectives), Corsica, France (2014)
6. Y. –K. Kim, B. Senyuk, S. –T. Shin, A. Kohlmeier, G. H. Mehl, and O. D. Lavrentovich,
“Surface alignment, anchoring transitions, optical properties, and topological defects in the
thermotropic nematic phase of organo-siloxane tetrapodes”, Grand Opening : Upgraded LCI
Facility, Kent, USA (2013)
7. Y. –K. Kim, T. S. Nguyen, J. V. Selinger, and O. D. Lavrentovich, “Flow induced
birefringence in thermally expanding isotropic phase of a liquid crystal”, Optics of Liquid
Crystals, Honolulu, USA (2013).
8. Y. –K. Kim, and O. D. Lavrentovich, “Director reorientation of a liquid crystal by thermal
expansion”, Inter-Continental Advanced Materials & Photonics (2013).
9. Y. –K. Kim, and O. D. Lavrentovich, “Tactoids and defects in nematic-isotropic phase
transition in lyotropic chromonic liquid crystal”, American Physical Society March Meeting
(2013).
10. Y. –K. Kim, B. Senyuk, and O. D. Lavrentovich “Director reorientation of a nematic liquid
crystal by thermal expansion”, The Mathematics of Liquid Crystals Workshop (2013).
11. Y. –K. Kim, B. Senyuk, and O. D. Lavrentovich “Director reorientation of a nematic liquid
crystal by thermal expansion”, Symposium on Flexible Liquid Crystal Devices (2012).
12. Y. –K. Kim, M. Majumdar, B. Senyuk, L. Tortora, J. Seltmann, M. Lehmann, A. Jákli, J. T.
Gleeson, O. D. Lavrentovich, and S. Sprunt, “Search for biaxility in a shape-persistent bentcore nematic liquid crystal”, The 26th International Liquid Crystal Conference (2012).
13. O. D. Lavrentovich, Y. –K. Kim, and B. Senyuk, “Direct reorientation by thermal
expansion”, The 26th International Liquid Crystal Conference (2012).
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14. Y. –K. Kim, L. Tortora, B. Senyuk, S. Sprunt, M. Lehmann, and O. D. Lavrentovich,
“Transient splitting of conoscopic isogyres of a uniaxial nematic”, American Physical
Society March Meeting (2012).
15. A. R. Yoon, Y. –K. Kim, Y. –J. Lee, S. I. Jo, S. –W. Choi, J. S. Gwag, and J. –H. Kim,
“Enhanced electro-optic characteristics for homeotropic alignment of nematic liquid crystals
by photo-alignment”, The 13th Korea Liquid Crystal Conference (2010).
16. S. –W. Choi, S. I. Jo, Y. –J. Lee, Y. –K. Kim, A. R. Yoon, and J. –H. Kim, “Pretilt angle
control of the liquid crystal by using the reactive mesogen”, The 13th Korea Liquid Crystal
Conference (2010).
17. Y. –K. Kim, Y. –J. Lee, S. W. Choi, J. –S. Gwag, and J. –H. Kim, “The fabrication of micro
lens array by using electrowetting property”, Optics of Liquid Crystals (2009).
18. Y. –J. Lee, Y. –K. Kim, S. I. Jo, A. R. Yoon, C. –J. Yu, and J. –H. Kim, “Liquid crystal
alignment control using reactive mesogen mixed with alignment layers”, International
Display Workshops, pp. 747-750 (2009).
19. S. I. Jo, Y. –J. Lee, Y. –K. Kim, A. R. Yoon, C. –J. Yu, and J. –H. Kim, “Surface controlled
8-domain patterned vertical alignment mode with reactive mesogens”, International Display
Workshops, pp. 147-150 (2009).
20. A. R. Yoon, Y. –K. Kim, Y. –J. Lee, S. I. Jo, S. W. Choi, J. S. Gwag, and J.-H. Kim,
“Advanced photo-alignment method with fast response time”, International Display
Workshops, pp. 210-212 (2009).
21. S. I. Jo, Y. –J. Lee, Y. –K. Kim, A. Yoon, S. W. Choi, and J. –H. Kim, “Control of liquid
crystal pretilt angle using polymerization of reactive mesogen”, The 9th International Meeting
on Information Display, pp. 604-606 (2009).
22. Y. –J. Lee, Y. –K. Kim, S. I. Jo, C. –J. Yu, and J. –H. Kim, “Advanced LCD modes through
surface modification using reactive mesogen mixed with alignment layers”, The 9th
International Meeting on Information Display, pp. 91-94 (2009).
23. Y. –J. Lee, Y. –K. Kim, C. –J. Yu, S. I. Jo, and J. –H. Kim, “Fabrication of fast switchable
patterned vertical alignment mode using modified surface with reactive mesogen”, The
Society for Information Display, pp. 666-668 (2009).
24. Y. –K. Kim, J. S. Gwag, S. I. Jo, and J. –H. Kim, “Pretilt angle control with high process
margin”, The 12th Korea Liquid Crystal Conference, Vol. 11 (2009).
25. S. I. Jo, J. S. Gwag, Y. –K. Kim, Y. –J. Lee, and J. –H. Kim, “Liquid crystal alignment by
atomic force microscopic nanolithography”, The 12th Korea Liquid Crystal Conference, Vol.
11 (2009).
26. Y. –J. Lee, J. S. Gwag, Y.-K. Kim, and J. –H. Kim, “Continuous pretilt angle control of LC
alignment”, International Display Research Conference, pp. 174-176 (2008).
27. Y. –K. Kim, J. S. Gwag, S. I. Jo, and J. –H. Kim, “Continuous pretilt control using
heterogeneous polyimide mixture”, The 8th International Meeting on Information Display, pp.
1585-1587 (2008).
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YoungKi Kim
28. Y. –K. Kim, J. S. Gwag, Y. –J. Lee, and J. –H. Kim, “Scaling of defect domain by reverse
twist in chiral hybrid in-plane switching LC mode”, The 22nd International Liquid Crystal
Conference, pp. 740 (2008).
29. Y. –K. Kim, J. S. Gwag, Y. –J. Lee, and J. –H. Kim, “Chiral hybrid in-plane switching LC
mode for high brightness and contrast ratio”, The Society for Information Display, pp. 19631966 (2008).
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YoungKi Kim
LIST OF PATENTS
1. “In Plane Switching Liquid Crystal Display”, Registered Country : Korea, Patent Number :
10-2008-0033539.
2. “Field Induced Heliconical Structure of Cholesteric Liquid Crystal”, Registered Country :
United States, Patent Number : KNST200095USP1
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