Dr. Tae-Hoon Yoon Profile

Dr. Tae-Hoon Yoon

Professor Emeritus at Pusan National University

SPIE Involvement:

Editor | Author

Publications (41)

Proceedings Article | 5 March 2021 Presentation

Fabrication of a broadband tunable polarization rotator based on asymmetrically anchoring of liquid crystal

Tae-Hoon Yoon, Yeongyu Choi, Seung-Won Oh, Ho-Jin Sohn

Proceedings Volume 11707, 1170709 (2021) https://doi.org/10.1117/12.2579191

KEYWORDS: Polarization, Liquid crystals, Wave plates, Prisms, Optical communications, Microscopy, Magneto-optics, Magnetism, Electronic components, Electrodes

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Proceedings Article | 25 February 2020 Presentation + Paper

Bistable liquid-crystal phase grating device for smart window and window display applications

Jae-Won Huh, Tae-Hoon Choi, Jae-Hyeon Woo, Jin-Hun Kim, Su-Min Do, Jeong-Ho Seo, Tae-Hoon Yoon

Proceedings Volume 11303, 113030J (2020) https://doi.org/10.1117/12.2543475

KEYWORDS: Liquid crystals, Diffraction, Diffraction gratings, Translucency, Air contamination, Transmittance, Polymers, Electrodes, Switching, Molecules

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Proceedings Article | 1 March 2019 Paper

Formation of polymer structure by thermally induced phase separation in a dye-doped liquid crystal cell

Yeongyu Choi, Seung-Won Oh, Tae-Hoon Choi, Byeong-Hun Yu, Tae-Hoon Yoon

Proceedings Volume 10941, 109410J (2019) https://doi.org/10.1117/12.2511087

KEYWORDS: Polymers, Transmittance, Opacity, Liquid crystals, Organic light emitting diodes, Optical properties, Dichroic materials

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Proceedings Article | 14 September 2018 Presentation + Paper

Control of the haze value by the electro-hydrodynamic effect in a liquid crystal cell

Tae-Hoon Yoon, Jae-Won Huh, Jin-Hun Kim, Young-Seo Jo, Seong-Min Ji, Tae-Hoon Choi

Proceedings Volume 10735, 107350S (2018) https://doi.org/10.1117/12.2322358

KEYWORDS: Liquid crystals, Air contamination, Transmittance, Molecules, Translucency, Polymers, Light scattering, Turbulence, Ions, Control systems

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Proceedings Article | 14 September 2018 Paper

Transmittance control of a liquid crystal device using a dye mixture

Seong-Min Ji, Seung-Won Oh, Young-Seo Jo, Seung-Min Nam, Sang-Hyeok Kim, Jae-Won Huh, Eunjung Lim, JinHong Kim, Tae-Hoon Yoon

Proceedings Volume 10735, 107351A (2018) https://doi.org/10.1117/12.2322716

KEYWORDS: Liquid crystals, Transmittance, Control systems, Absorption, LCDs, CIE 1931 color space, Eyewear

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Proceedings Article | 19 February 2018 Presentation + Paper

Fast switching of vertically aligned nematic liquid crystals by two-dimensional confinement with virtual walls

Tae-Hoon Yoon, Tae-Hoon Choi, Yeongyu Choi, Jae-Hyeon Woo, Byoung-Gyu Jeon

Proceedings Volume 10556, 1055607 (2018) https://doi.org/10.1117/12.2289367

KEYWORDS: Electrodes, Liquid crystals, Molecules, Switching, Transmittance, Anisotropy, LCDs, Dielectrics, Fast packet switching, Polarizers

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Proceedings Article | 8 February 2018 Paper

Control of haze value using electrically switchable liquid crystal phase grating devices

Tae-Hoon Choi, Jae-Hyeon Woo, Jae-Won Huh, Byoung-Gyu Jeon, Tae-Hoon Yoon

Proceedings Volume 10555, 105551E (2018) https://doi.org/10.1117/12.2289272

KEYWORDS: Translucency, Liquid crystals, Diffraction gratings, Diffraction, Transmittance, Polymers, Molecules, LCDs, Air contamination, Electrodes

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Proceedings Article | 8 February 2018 Paper

Smart window using a thermally and optically switchable liquid crystal cell

Seung-Won Oh, Sang-Hyeok Kim, Jong-Min Baek, Tae-Hoon Yoon

Proceedings Volume 10555, 1055516 (2018) https://doi.org/10.1117/12.2289457

KEYWORDS: Liquid crystals, Translucency, Opacity, Light scattering, Switching

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Proceedings Article | 15 February 2017 Presentation + Paper

Smart windows using polymer-networked liquid crystals doped with push-pull azobenzene

Seung-Won Oh, Jong-Min Baek, Sang-Hyeok Kim, Tae-Hoon Yoon

Proceedings Volume 10125, 1012515 (2017) https://doi.org/10.1117/12.2253680

KEYWORDS: Liquid crystals, Polymers, Opacity, Switches, Switching, Transmittance, Composites, Translucency, Ultraviolet radiation, Molecules

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Proceedings Article | 15 February 2017 Presentation + Paper

Wide-temperature high-speed operation of a nematic liquid crystal cell

Tae-Hoon Choi, Jung-Wook Kim, Tae-Hoon Yoon

Proceedings Volume 10125, 101251H (2017) https://doi.org/10.1117/12.2253681

KEYWORDS: LCDs, Liquid crystals, Fast packet switching, Distortion, Temperature metrology, Switching, Transmittance, Electrodes, Electro optics, Polarizers, Time metrology

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Proceedings Article | 15 February 2017 Presentation + Paper

Fast in-plane switching of nematic liquid crystals by two-dimensional confinement with virtual walls

Tae-Hoon Choi, Jae-Hyeon Woo, Yeongyu Choi, Seung-Won Oh, Tae-Hoon Yoon

Proceedings Volume 10125, 1012512 (2017) https://doi.org/10.1117/12.2253709

KEYWORDS: Liquid crystals, Switching, LCDs, Electrodes, Transmittance, Molecules, Anisotropy, Dielectrics, Electro optics, Time metrology

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Proceedings Article | 23 September 2016 Presentation + Paper

Elimination of image flicker in a fringe-field switching liquid crystal cell

Tae-Hoon Yoon, Seung-Won Oh, Jong-Min Baek, Jung-Wook Kim, Ji-Hoon Lee

Proceedings Volume 9940, 994009 (2016) https://doi.org/10.1117/12.2235987

KEYWORDS: Liquid crystals, LCDs, Switching, Anisotropy, Mobile devices, Image transmission, Transmittance, Dielectrics, Electrodes, Molecules

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Proceedings Article | 23 September 2016 Paper

Field induced UV-alignment method for a zero pre-tilt liquid crystal cell

Seung-Won Oh, Jun-Hee Park, Tae-Hoon Yoon

Proceedings Volume 9940, 99401E (2016) https://doi.org/10.1117/12.2235988

KEYWORDS: Liquid crystals, Switching, LCDs, Electro optics, Image quality, Ultraviolet radiation, Optical alignment, Image processing, Electrodes, Molecules

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Proceedings Article | 7 March 2016 Paper

Bistable light shutter using dye-doped liquid crystals for a see-through display

Jae-Won Huh, Joon Heo, Byeong-Huh Yu, Tae-Hoon Yoon

Proceedings Volume 9769, 976914 (2016) https://doi.org/10.1117/12.2211867

KEYWORDS: LCDs, Liquid crystals, Organic light emitting diodes, Polymers, Composites, Electrodes, Light scattering, Absorption, Switching

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Proceedings Article | 7 March 2016 Paper

Liquid crystal light shutters for simultaneous control of haze and transmittance

Tae-Hoon Yoon, Joon Heo, Byeong-Hun Yu, Jae-Won Huh

Proceedings Volume 9769, 97690W (2016) https://doi.org/10.1117/12.2211859

KEYWORDS: LCDs, Liquid crystals, Light scattering, Organic light emitting diodes, Absorption, Electrodes, Opacity

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Proceedings Article | 11 March 2015 Paper

Elimination of off-axis light leakage in a homogeneously aligned liquid crystal cell

Seung-Won Oh, Byung Wok Park, Tae-Hoon Yoon

Proceedings Volume 9385, 938503 (2015) https://doi.org/10.1117/12.2075963

KEYWORDS: Polarization, Poincaré sphere, Absorption, LCDs, Polarizers, Liquid crystals, Manufacturing, Switching, Elliptical polarization, Motion analysis

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Proceedings Article | 11 March 2015 Paper

Fast bistable switching of a chiral-nematic liquid crystal cell induced by applying an in-plane electric field

Seung-Won Oh, Tae-Hoon Yoon

Proceedings Volume 9384, 93840V (2015) https://doi.org/10.1117/12.2075961

KEYWORDS: Switching, Liquid crystals, Electrodes, Fast packet switching, Reflectivity, Reflective displays, Optical switching, Polarizers, Molecules, Switches

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Proceedings Article | 11 March 2015 Paper

Fast gray-to-gray switching of a hybrid-aligned liquid crystal cell

Tae-Hoon Choi, Jung-Wook Kim, Tae-Hoon Yoon

Proceedings Volume 9384, 938416 (2015) https://doi.org/10.1117/12.2076542

KEYWORDS: Liquid crystals, Electrodes, Switching, Transmittance, LCDs, Ultrafast phenomena, Polarizers, Dielectrics, 3D displays, Molecules

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Proceedings Article | 11 March 2015 Paper

Double-layered liquid crystal light shutter for control of absorption and scattering of the light incident to a transparent display device

Jae-Won Huh, Byeong-Hun Yu, Dong-Myung Shin, Tae-Hoon Yoon

Proceedings Volume 9384, 938417 (2015) https://doi.org/10.1117/12.2077055

KEYWORDS: Camera shutters, Light scattering, Absorption, Liquid crystals, Opacity, Transmittance, LCDs, Organic light emitting diodes, Scattering, Visibility

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Proceedings Article | 7 October 2014 Paper

Dependence of the electrooptical properties of polymer-dispersed vertical aligned liquid crystals on the surface affinity of the liquid crystal and monomer

Hyojin Lee, Ji-Hoon Lee, Tae-Hoon Yoon

Proceedings Volume 9182, 918219 (2014) https://doi.org/10.1117/12.2060481

KEYWORDS: Liquid crystals, Polymers, Molecules, Polarizers, Transmittance, Spherical lenses, Electro optic polymers, Electro optics, Electronics engineering, Molecular aggregates

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Proceedings Article | 19 February 2014 Paper

Grayscale memory effect and flexoelectric property of highly kinked bent-core liquid crystals

Ji-Hoon Lee, Tae-Hoon Yoon, E-Joon Choi

Proceedings Volume 9004, 900404 (2014) https://doi.org/10.1117/12.2036871

KEYWORDS: Liquid crystals, Molecules, Anisotropy, Dielectrics, Switches, Polarization, Doping, Electrodes, Molecular assembly, Molecular interactions

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Proceedings Article | 19 February 2014 Paper

Long-pitch cholesteric liquid crystals for display applications

Tae-Hoon Yoon, Jae-Won Huh, Byeong-Hun Yu

Proceedings Volume 9004, 90040F (2014) https://doi.org/10.1117/12.2041407

KEYWORDS: Liquid crystals, LCDs, Reflective displays, Camera shutters, Light scattering, Switching, Organic light emitting diodes, Reflectivity, Polarizers, Visible radiation

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Proceedings Article | 19 February 2014 Paper

Design of a cholesteric liquid crystal cell for a high-transmittance light shutter

Byeong-Hun Yu, Jae-Won Huh, Tae-Hoon Yoon

Proceedings Volume 9004, 90040L (2014) https://doi.org/10.1117/12.2037547

KEYWORDS: Liquid crystals, Camera shutters, Organic light emitting diodes, Transmittance, LCDs, Molecules, OLED lighting, Visibility, Infrared radiation, Absorption

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Proceedings Article | 5 March 2013 Paper

Multi-domain vertical alignment of nematic liquid crystals for reduced off-axis gamma shift

Tae-Hoon Yoon, Byung Wok Park, Ki-Han Kim, Hoon Kim, Ki-Chul Shin, Hee Seop Kim

Proceedings Volume 8642, 86420D (2013) https://doi.org/10.1117/12.2003295

KEYWORDS: Polymers, Liquid crystals, Ultraviolet radiation, Transmittance, Molecules, LCDs, Electrodes, Distortion, Switching, Electro optics

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Proceedings Article | 5 March 2013 Paper

Fast switching of a nematic liquid crystal cell with neither alignment materials nor alignment process

Jung-Wook Kim, Dong Han Song, Ki-Han Kim, Tae-Hoon Yoon

Proceedings Volume 8642, 86420O (2013) https://doi.org/10.1117/12.2001974

KEYWORDS: Liquid crystals, Transmittance, Optical alignment, Electrodes, Fast packet switching, Materials processing, LCDs, Switching, 3D displays, Electro optics

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Proceedings Article | 6 February 2012 Paper

Pixel structure for higher optical efficiency in the patterned vertical alignment LC mode

Byung Wok Park, Eun-Young Jeon, Ki-Han Kim, Dong Han Song, Ji-Hoon Lee, Gak Seok Lee, Ki-Chul Shin, Hee Seop Kim, Tae-Hoon Yoon

Proceedings Volume 8280, 82800I (2012) https://doi.org/10.1117/12.913569

KEYWORDS: Transmittance, Electrodes, Liquid crystals, LCDs, Optical alignment, Molecules, Image transmission, Electronics, Polarizers, Electrical engineering

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Proceedings Article | 6 February 2012 Paper

Dual mode operation of fast switching liquid crystal devices

Dong Han Song, Jung-Wook Kim, Min-Gyeong Jo, Ki-Han Kim, Ji-Hoon Lee, Tae-Hoon Yoon

Proceedings Volume 8280, 828008 (2012) https://doi.org/10.1117/12.913423

KEYWORDS: Liquid crystals, Switching, LCDs, Polymers, Electrodes, Fast packet switching, Reflectivity, Molecules, Optical alignment, Display technology

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Proceedings Article | 3 February 2011 Paper

Achromatic reflection by long-pitch chiral-nematic liquid crystal and its application to displays switchable between reflective and transmissive modes

Tae-Hoon Yoon, Ki-Han Kim, Dong Han Song, Jae Chang Kim

Proceedings Volume 7956, 79560G (2011) https://doi.org/10.1117/12.877046

KEYWORDS: Reflectivity, LCDs, Liquid crystals, Reflectors, Light scattering, Polarizers, Visible radiation, Reflective displays, Reflection, Transmittance

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Proceedings Article | 2 February 2011 Paper

Fast switching technologies for a nematic liquid crystal cell

Tae-Hoon Yoon, Ki-Han Kim, Dong Han Song, Jae Chang Kim

Proceedings Volume 7956, 79560M (2011) https://doi.org/10.1117/12.874035

KEYWORDS: Electrodes, Liquid crystals, Switching, Fast packet switching, Transmittance, LCDs, Time metrology, Polarizers, Optical fabrication, Electrical engineering

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Proceedings Article | 2 February 2011 Paper

Gray scale realization in bistable chiral splay nematic liquid crystal device

Chul Gyu Jhun, Ken Chen, Yan Jin, Zhe Hong, Seung Hwan Han, Yong Zhang, Ye Won Seo, Ginah Park, Soon-Bum Kwon, Sung Sik Shin, Joong Ha Lee, Tae-Hoon Yoon, Jae Chang Kim, Suk Moon Chung

Proceedings Volume 7956, 79560U (2011) https://doi.org/10.1117/12.882386

KEYWORDS: LCDs, Electrodes, Liquid crystals, Switching, Electrical engineering, Information science, Semiconductors, Multiplexing, Matrices, Display technology

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Proceedings Article | 12 February 2010 Paper

Polymer-networked liquid crystal cell for omni-directional viewing-angle switching

Tae-Hoon Yoon, Jong-In Baek, Ki-Han Kim, Jae-Chang Kim

Proceedings Volume 7618, 76180U (2010) https://doi.org/10.1117/12.839926

KEYWORDS: Liquid crystals, Switching, Polarizers, Polymers, LCDs, Electrodes, Collimation, Scattering, Tantalum, Chromium

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Proceedings Article | 29 January 2008 Paper

In-plane switching of a twisted-nematic liquid crystal cell for single-cellgap transflective display

Tae-Hoon Yoon, Gak Seok Lee, Jeong Hyun Lee, Dong Han Song, Jae Chang Kim, Dae Lim Park, Seong Soo Hwang, Dae Hyun Kim, Sung Il Park

Proceedings Volume 6911, 691103 (2008) https://doi.org/10.1117/12.764194

KEYWORDS: Reflectivity, Liquid crystals, LCDs, Polarizers, Transmittance, Switching, Electrodes, Polarization, Prototyping, Electro optics

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Proceedings Article | 6 October 2006 Paper

Simulation of all-optical XOR, AND, and OR gates in single format by using semiconductor optical amplifiers

Chang Wan Son, Sang Hun Kim, Young Min Jhon, Young Tae Byun, Seok Lee, Deok Ha Woo, Sun Ho Kim, Tae-Hoon Yoon

Proceedings Volume 6352, 63523R (2006) https://doi.org/10.1117/12.691581

KEYWORDS: Logic, Semiconductor optical amplifiers, Logic devices, Modulation, Electrons, Switching, Laser beam diagnostics, Optical signal processing, Semiconductors, Clocks

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Proceedings Article | 28 September 2006 Paper

Effect of LiF-electron injection layer thickness on efficiencies of organic light emitting diode

Won-Ju Shin, Jin-Heon Kim, Min-Cheol Oh, Jae Chang Kim, Tae-Hoon Yoon

Proceedings Volume 6355, 635519 (2006) https://doi.org/10.1117/12.688636

KEYWORDS: Laser induced fluorescence, Organic light emitting diodes, Ultraviolet radiation, Aluminum, Luminous efficiency, Electrodes, Organic materials, Alkali metals, Lithium, Metals

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Proceedings Article | 28 May 2004 Paper

Novel design techniques for transflective liquid crystal displays

Jae Chang Kim, Hee Do, Chul Jhun, Kyoung-Ho Park, Jin Gwag, Gi Lee, Tae-Hoon Yoon

Proceedings Volume 5289, (2004) https://doi.org/10.1117/12.532971

KEYWORDS: Reflectivity, LCDs, Transmittance, Electrodes, Liquid crystals, Polarizers, Ion beams, Anisotropy, Neodymium, Reflectors

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SPIE Journal Paper | 1 July 2003

Dual-antiferroelectric liquid crystal display with high transmittance efficiency and no dispersion

Chul Jhun, Jin-Woo Kang, Tae-Hoon Yoon, Jae Kim

OE, Vol. 42, Issue 07, (July 2003) https://doi.org/10.1117/12.10.1117/1.1579492

KEYWORDS: Transmittance, LCDs, Polarization, Polarizers, Optical spheres, Liquid crystals, Electronics engineering, Optical modulators, Atrial fibrillation, Optical alignment

Proceedings Article | 14 July 2000 Paper

Effect of chirping on optical bistability in A/4-shifted semiconductor distributed feedback structures

Tae-Hoon Yoon, Young-Il Kim, Kyung-Whan Park, Seok Lee, Sun-Ho Kim

Proceedings Volume 3944, (2000) https://doi.org/10.1117/12.391452

KEYWORDS: Fabry–Perot interferometers, Bistability, Waveguides, Refractive index, Semiconductors, Nonlinear optics, Switching, Mirrors, Absorption, Laser amplifiers

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SPIE Journal Paper | 1 December 1997

Optoelectronic difference-of-Gaussian wavelet transform system

Cheol Cho, Seok-Woon Ha, Jae-Chang Kim, Tae-Hoon Yoon, Ki Nam

OE, Vol. 36, Issue 12, (December 1997) https://doi.org/10.1117/12.10.1117/1.601588

KEYWORDS: Wavelet transforms, Optoelectronics, Wavelets, Diffusion, Signal analysis, Point spread functions

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Proceedings Article | 5 August 1994 Paper

Optoelectronic implementation of diffusion neural network for contour detection

Jae-Chang Kim, Cheol Cho, Ki Nam, Tae-Hoon Yoon, Hua-Kuang Liu

Proceedings Volume 2321, (1994) https://doi.org/10.1117/12.182092

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Proceedings Article | 23 October 1992 Paper

Fabrication of a LiNbO3 optical waveguide lens by titanium-indiffused proton-exchanged technique

Suk Chung, Jae-Chang Kim, Tae-Hoon Yoon

Proceedings Volume 1813, (1992) https://doi.org/10.1117/12.131240

KEYWORDS: Waveguides, Planar waveguides, Lens design, Fabrication, Refractive index, Optoelectronic devices, Computer simulations, Integrated optics, Optical lithography, Polishing

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Proceedings Article | 23 October 1992 Paper

Design of integrated-mirror etalons for photonic switching

Tae-Hoon Yoon, Jae-Chang Kim, Jong Jung

Proceedings Volume 1813, (1992) https://doi.org/10.1117/12.131236

KEYWORDS: Fabry–Perot interferometers, Mirrors, Reflectivity, Switching, Optoelectronic devices, Refractive index, Absorption, Transmittance, Reflectors, Electronics engineering

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Showing 5 of 41 publications

Proceedings Volume Editor (9)

SPIE Conference Volume | 3 April 2023

Advances in Display Technologies XIII

SPIE Conference Volume | 28 March 2022

Advances in Display Technologies XII

SPIE Conference Volume | 12 April 2021

Advances in Display Technologies XI

SPIE Conference Volume | 4 March 2020

Advances in Display Technologies X

SPIE Conference Volume | 7 June 2019

Advances in Display Technologies IX

Showing 5 of 9 publications

Conference Committee Involvement (25)

Emerging Liquid Crystal Technologies XVIII

1 February 2023 | San Francisco, California, United States

Advances in Display Technologies XIII

30 January 2023 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XVII

25 January 2022 | San Francisco, California, United States

Advances in Display Technologies XII

24 January 2022 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XVI

6 March 2021 | Online Only, California, United States

Advances in Display Technologies XI

6 March 2021 | Online Only, California, United States

Advances in Display Technologies X

5 February 2020 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XV

3 February 2020 | San Francisco, California, United States

Advances in Display Technologies IX

7 February 2019 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XIV

3 February 2019 | San Francisco, California, United States

Advances in Display Technologies VIII

31 January 2018 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XIII

29 January 2018 | San Francisco, California, United States

Advances in Display Technologies VII

2 February 2017 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XII

31 January 2017 | San Francisco, California, United States

Advances in Display Technologies VI

18 February 2016 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XI

16 February 2016 | San Francisco, California, United States

Advances in Display Technologies V

11 February 2015 | San Francisco, California, United States

Emerging Liquid Crystal Technologies X

9 February 2015 | San Francisco, California, United States

Advances in Display Technologies IV

6 February 2014 | San Francisco, California, United States

Emerging Liquid Crystal Technologies IX

5 February 2014 | San Francisco, California, United States

Advances in Display Technologies III

7 February 2013 | San Francisco, California, United States

Emerging Liquid Crystal Technologies VIII

5 February 2013 | San Francisco, California, United States

Advances in Display Technologies II

25 January 2012 | San Francisco, California, United States

Emerging Liquid Crystal Technologies VII

22 January 2012 | San Francisco, California, United States

Emerging Liquid Crystal Technologies VI

25 January 2011 | San Francisco, California, United States

Showing 5 of 25 Conference Committees

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