publications
Under review
00 Jae-Hwan Lee, Chan-Heon An, Chan-Hee Han, and Seung-Won Oh, “Advancing automotive displays: Liquid crystal cells for precision viewing angle adjustment,”
2024
59 Chan-Hee Han, Sang-Hee Lee, Sunghyun Bae, Jae Won Lee, and Seung-Won Oh*, “Advances in diffractive liquid crystal grating devices using patterned electrodes,” J. Inf. Disp. Online published. [Link]
58 Chan-Hee Han and Seung-Won Oh, “A high-haze liquid crystal grating device with asymmetric anchoring energies,” Displays 81, 102581 (2024). [Link]
2023
56 Jae-Hwan Lee and Seung-Won Oh, “An innovative stacked liquid crystal panel for automotive display: driver-oriented privacy and passenger accessibility,” Opt. Lett. 48, 6024 (2023). [Link]
55 Chan-Heon An, Tae-Hoon Choi*, and Seung-Won Oh*, “Energy-efficient liquid crystal smart window with a clear-view,” Cryst. 13, 1464 (2023). [Link]
54 Chan-Hee Han, Jae-Hwan Lee, Chan-Heon An, and Seung-Won Oh, “A liquid crystal smart window for energy saving and harvesting,” Appl. Mater. Today 35, 101923 (2023). [Link]
53 Junseok Ma, Jinyoung Choi, Sungeun Park, Imbo Kong, Daehyeon Kim, Cheonga Lee, Youngno Youn, Myeonggin Hwang, Seung-Won Oh*, Wonbin Hong*, and Wooksung Kim*, “Liquid crystals for advanced smart devices with microwave and millimeter-wave applications: Recent progress for next-generation communication,” Adv. Mater. 35, 2302474 (2023). [Review paper] [Link]
[Selected as Frontispiece (Link)]
52 Chan-Hee Han, Tae-Hoon Choi, Wook-Sung Kim*, and Seung-Won Oh*, “Diffractive liquid crystal device for privacy window with a low operating voltage,” J. Inf. Disp. 24, 249 (2023). [Link]
51 Chan-Hee Han†, Yeongyu Choi†, Tae-Hoon Yoon*, and Seung-Won Oh*, “Asymmetrically-anchored liquid crystal cell for display and photonics applications,” Liq. Cryst. 50, 1573 (2023). [Link]
50 Chan-Heon An, Jae-Hwan Lee, Chan-Hee Han, and Seung-Won Oh, “A smart window with angular-selective absorption for automotive,” Dye Pigment. 212, 111124 (2023). [Link]
49 Sun-Geun Park, Ye-Lin Lee, Wook-Sung Kim*, and Seung-Won Oh*, “A simulation of liquid crystal grating with field-induced twist deformation for beam-steering applications,” Adv. Photon. Res. 4, 2200135 (2023). [Link]
2022
48 Jun-Seok Ma, Jin-Young Choi, Hyun-Ji Shin, Jae-Hwan Lee, Seung-Won Oh*, and Wook-Sung Kim* “An evaluation of surface-active agent hexadecyltrimethylammonium bromide with vertical self-alignment properties to align liquid crystals for various cell gap conditions,” Appl. Sci. 12, 12582 (2022). [Link]
47 Chan-Hee Han†, Hyeonseok Eo†, Tae-Hoon Choi, Wook-Sung Kim*, and Seung-Won Oh*, “A simulation of diffractive liquid crystal smart window for privacy application,” Sci. Rep. 12, 11384 (2022). [Link]
46 Jihyung Kim, Seung-Won Oh, Jin-Young Choi, Sun-Geun Park, and Wook-Sung Kim, “Optical see-through head mounted display including transmittance-variable display for high visibility,” J. Inf. Disp. 23, 121 (2022). [Link]
45 Jun-Seok Ma, Jin-Young Choi, Seung-Won Oh, and Wook-Sung Kim, “Liquid-crystal-based floating-electrode-free coplanar waveguide phase shifter with an additional liquid-crystal layer for 28-GHz applications,” J. Phys. D: Appl. Phys. 55, 095106 (2022). [Link]
44 Seung-Won Oh, Seong-Min Ji, Chan-Hee Han, and Tae-Hoon Yoon, “A cholesteric liquid crystal smart window with a low operating voltage,” Dye Pigment. 197, 109843 (2022). [Link]
2021
43 Yeongyu Choi†, Seung-Won Oh†, Ho-Jin Sohn, and Tae-Hoon Yoon, “Broadband tunable polarization rotator based on the waveguiding effect of liquid crystals,” J. Phys. D: Appl. Phys. 54, 355108 (2021). [Link]
42 Amid Ranjkesh, Yeongyu Choi, Jae-Won Huh, Seung-Won Oh, and Tae-Hoon Yoon, “Flexible, broadband, super-reflective infrared reflector based on cholesteric liquid crystal polymer,” Sol. Engergy Mater. Sol. Cells 230, 111137 (2021). [Link]
41 Seung-Won Oh, Tianyi Guo, Alexa Kuenstler, Ryan Hayward, Peter Palffy-Muhoray, and Xiaoyu Zheng, “Measuring the five elastic constants of a nematic liquid crystal elastomer,” Liq. Cryst. 48, 511 (2021). [Link]
40 Jae-Won Huh†, Seung-Won Oh†, Jeong-Ho Seo, Ho-Jin Sohn, and Tae-Hoon Yoon, “Filtering of yellow light in a liquid-crystal light shutter for higher color contrast and reduced glare,” J. Mol. Liq. 327, 114846 (2021). [Link]
39 Seong-Min Ji†, Seung-Won Oh†, and Tae-Hoon Yoon, “Smart windows based on angular-selective absorption of solar radiation with guest-host liquid crystals,” Cryst. 11, 131 (2021). [Link]
38 Ho-Jin Sohn†, Seung-Won Oh†, Yeongyu Choi, Seong-Min Ji, and Tae-Hoon Yoon, “A switchable cholesteric phase grating with a low operating voltage,” Cryst. 11, 100 (2021). [Link]
37 Seung-Won Oh, Seung-Min Nam, Sang-Hyeok Kim, Tae-Hoon Yoon*, and Wook-Sung Kim, “Self-regulation of infrared using a liquid crystal mixture doped with push-pull azobenzene for energy-saving smart windows,” ACS Appl. Mater. Interfaces. 13, 5028 (2021). [Link]
2020
36 Su-Min Do, Tae-Hoon Choi, Jae-Won Huh, Seung-Won Oh, Yeongyu Choi, and Tae-Hoon Yoon, “Formation of a fine polymer structure on a plastic substrate through phase separation of a liquid crystal mixture,” J. Inf. Disp. 22, 31 (2020). [Link]
35 Yeongyu Choi, Seung-Won Oh, Tae-Hoon Choi, Ho-Jin Sohn, Su-Min Do, and Tae-Hoon Yoon, “Liquid crystal cell asymmetrically anchored for high transmittance and triggered with a vertical field for fast switching,” Opt. Express 28, 20553 (2020). [Link]
2019
34 Seung-Won Oh, Byoung-Gyu Jeon, Tae-Hoon Choi, Su-Min Do, and Tae-Hoon Yoon, “Independent control of haze and total transmittance with a dye-doped liquid crystal phase-grating device,” Appl. Opt. 58, 4315 (2019). [Link]
33 Jae-Won Huh, Jeong-Ho Seo, Seung-Won Oh, Sang-Hyeok Kim, and Tae-Hoon Yoon, “Tristate switching of a liquid-crystal cell among initial transparent, haze-free dark, and high-haze dark states,” J. Mol. Liq. 281, 81 (2019). [Link]
32 Seung-Min Nam, Seung-Won Oh, Sang-Hyeok Kim, Jae-Won Huh, Eunjung Lim, Jinhong Kim, and Tae-Hoon Yoon, “Parameter space design of a guest-host liquid crystal device for transmittance control,” Cryst. 9, 63 (2019). [Link]
31 Seung-Won Oh, Sang-Hyeok Kim, Jong-Min Baek, and Tae-Hoon Yoon, “Design of an achromatic wide-view circular polarizer using normal dispersion films,” J. Inf. Disp. 20, 25 (2019). [Link]
30 Yeongyu Choi, Seung-Won Oh, Tae-Hoon Choi, Byeong-Hun Yu, and Tae-Hoon Yoon, “Formation of polymer structure by thermally-induced phase separation for a dye-doped liquid crystal light shutter,” Dye Pigment. 163, 749 (2019). [Link]
29 Seong-Min Ji, Seung-Won Oh, Young-Seo Jo, Seung-Min Nam, Sang-Hyeok Kim, Jaw-Won Huh, Eunjung Lim, Jinhong Kim, and Tae-Hoon Yoon, “Optimization of dye mixing for achromatic transmittance control with a dye-doped cholesteric liquid crystal cell,” Dye Pigment. 160, 172 (2019). [Link]
2018
28 Seung-Won Oh, Sang-Hyeok Kim, and Tae-Hoon Yoon, “Control of transmittance by thermally-induced phase transition in guest-host liquid crystals,” Adv. Sustainable Syst. 2, 1800066 (2018). [Link]
[Highlighted as HOT Topics in Liquid Crystals (Link)]
[Selected as Front Cover (Link)]
27 Seung-Won Oh, Sang-Hyeok Kim, and Tae-Hoon Yoon, “Thermal control of transmission property by phase transition in cholesteric liquid crystals,” J. Mater. Chem. C 6, 6520 (2018). [Link]
26 Seung-Won Oh, Sang-Hyeok Kim, and Tae-Hoon Yoon, “Self-shading by optical or thermal control of transmittance with liquid crystals doped with push-pull azobenzene,” Sol. Energy Mater Sol. Cells 183, 146 (2018). [Link]
25 Sang-Hyeok Kim, Seung-Won Oh, and Tae-Hoon Yoon, “Enhancement of absorption and haze with hybrid anchoring of dye-doped cholesteric liquid crystals,” Opt. Express 26, 14259 (2018). [Link]
24 Jong-Min Baek, Seung-Won Oh, Sang-Hyeok Kim, and Tae-Hoon Yoon, “Fabrication of an initially-focal-conic cholesteric liquid crystal cell without polymer stabilization,” Displays 52, 55 (2018). [Link]
23 Jae-Won Huh, Jin-Hun Kim, Seung-Won Oh, Seong-Min Ji, and Tae-Hoon Yoon, “Ion-doped liquid-crystal cell with low opaque-state specular transmittance based on electro-hydrodynamic effect,” Dyes Pigment. 150, 16 (2018). [Link]
22 Seung-Won Oh, Sang-Hyeok Kim, Jong-Min Baek, and Tae-Hoon Yoon, “Optical and thermal switching of liquid crystals for self‐shading windows,” Adv. Sustainable Syst. 2, 1700164 (2018). [Link]
[Highlighted in Advanced Science News (Link)]
2017
21 Jin-Hun Kim, Jae-Won Huh, Seung-Won Oh, Seong-Min Ji, Young-Seo Jo, Byeong-Hun Yu, and Tae-Hoon Yoon, “Bistable switching between homeotropic and focal-conic states in an ion-doped chiral nematic liquid crystal cell,” Opt. Express 25, 29180 (2017). [Link]
20 Seung-Won Oh, Jong-Min Baek, Sang-Hyeok Kim, and Tae-Hoon Yoon, “Optical and electrical switching of cholesteric liquid crystals containing azo dye,” RSC Adv. 7, 19497 (2017). [Link]
2016
19 Seung-Won Oh, Jong-Min Baek, and Tae-Hoon Yoon, “Sunlight-switchable light shutter fabricated using liquid crystals doped with push-pull azobenzene,” Opt. Express 24, 26575 (2016). [Link]
18 Seung-Won Oh, Jong-Min Baek, Jung-Wook Kim, and Tae-Hoon Yoon, “Dependence of image flicker on dielectric anisotropy of liquid crystal in a fringe field switching liquid crystal cell,” Jpn. J. Appl. Phys. 55, 094101 (2016). [Link]
17 Seung-Won Oh, Jong-Min Baek, Joon Heo, and Tae-Hoon Yoon, “Dye-doped cholesteric liquid crystal light shutter with a polymer-dispersed liquid crystal film,” Dyes Pigment. 134, 36 (2016). [Link]
16 Tae-Hoon Choi, Yeongyu Choi, Jae-Hyeon Woo, Seung-Won Oh, and Tae-Hoon Yoon, “Electro-optical characteristics of an in-plane-switching liquid crystal cell with zero rubbing angle: dependence on the electrode structure,” Opt. Express 24, 15987 (2016). [Link]
15 Jun-Hee Park, Seung-Won Oh, Jae-Won Huh, and Tae-Hoon Yoon, “Four-domain electrode structure for wide viewing angle in a fringe-field switching liquid crystal display,” J. Disp. Technol. 12, 667 (2016). [Link]
14 Tae-Hoon Choi, Seung-Won Oh, Young-Jin Park, Yeongyu Choi, and Tae-Hoon Yoon, “Fast fringe-field switching of a liquid crystal cell by two-dimensional confinement with virtual walls,” Sci. Rep. 6, 27936 (2016). [Link]
13 Seung-Won Oh, Jong-Min Baek, Jun-Hee Park, and Tae-Hoon Yoon, “Surface flattening of a polyimide layer in a liquid crystal cell fabricated by using a field-induced UV-alignment method,” RSC Adv. 6, 55282 (2016). [Link]
12 Seung-Won Oh, Jun-Hee Park, Jong-Min Baek, Tae-Hoon Choi, and Tae-Hoon Yoon, “Effect of electrode spacing on the image flicker in a fringe-field-switching liquid crystal display,” Liq. Cryst. 43, 972 (2016). [Link]
11 Seung-Won Oh, Jun-Hee Park, and Tae-Hoon Yoon, “Electro-optical performance of a zero pre-tilt liquid crystal cell fabricated by using the field-induced UV-alignment method,” J. Disp. Technol. 12, 40 (2016). [Link]
2015
10 Seung-Won Oh, Jun-Hee Park, Ji-Hoon Lee, and Tae-Hoon Yoon, “Elimination of image flicker in a fringe-field switching liquid crystal display by applying a bipolar voltage wave,” Opt. Express 23, 24013 (2015). [Link]
09 Seung-Won Oh and Tae-Hoon Yoon, “Optical compensation for elimination of off-axis light leakage in a homogeneously-aligned liquid crystal cell,” Mol. Cryst. Liq. Cryst. 613, 81 (2015). [Link]
08 Seung-Won Oh, Ahn-Ki Kim, Byung Wok Park, and Tae-Hoon Yoon, “Optical compensation methods for elimination of off-axis light leakage in an in-plane-switching liquid crystal display,” J. Inf. Disp. 16, 1 (2015). [Invited paper] [Link]
07 Seung-Won Oh, Jun-Hee Park, and Tae-Hoon Yoon, “Near-zero pretilt alignment of liquid crystals using polyimide films doped with UV-curable polymer,” Opt. Express 23, 1044 (2015). [Link]
2014
06 Seung-Won Oh and Tae-Hoon Yoon, “Fast bistable switching of a cholesteric liquid crystal device induced by application of an in-plane electric field,” Appl. Opt. 53, 7321 (2014). [Link]
05 Seung-Won Oh and Tae-Hoon Yoon, “Achromatic wide-view circular polarizers for a high-transmittance vertically-aligned liquid crystal cell,” Opt. Lett. 39, 4683 (2014). [Link]
04 Byung Wok Park, Seung-Won Oh, Jung-Wook Kim, and Tae-Hoon Yoon, “Fast switching of vertically aligned liquid crystals by low-temperature curing of the polymer structure,” J. Opt. Soc. Korea 18, 395 (2014). [Link]
03 Seung-Won Oh and Tae-Hoon Yoon, “Elimination of the light leakage over the entire viewing cone in a homogeneously-aligned liquid crystal cell,” Opt. Express 22, 5808 (2014). [Link]
2013
02 Seung-Won Oh, Byung Wok Park, Ji-Hoon Lee, and Tae-Hoon Yoon, “Achromatic optical compensation using dispersion of uniaxial films for elimination of off-axis light leakage in a liquid crystal cell,” Appl. Opt. 52, 7785 (2013). [Link]
2012
01 Ki-Han Kim, Byeong-Hun Yu, Sun-Wook Choi, Seung-Won Oh, and Tae-Hoon Yoon, “Dual mode switching of cholesteric liquid crystal device with three-terminal electrode structure,” Opt. Express 20, 24376 (2012). [Link]