Prof. Yongtaek Hong Profile

Prof. Yongtaek Hong

Professor at Seoul National Univ

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Author

Publications (15)

Proceedings Article | 20 August 2020 Poster

Imperceptibly micro-wrinkled organic light-emitting diodes for distortion-free stretchable display applications

Sujin Jeong, Hyungsoo Yoon, Byeongmoon Lee, Yongtaek Hong

Proceedings Volume 11473, 114731M (2020) https://doi.org/10.1117/12.2567621

KEYWORDS: Organic light emitting diodes, Light emitting diodes, Distortion, Visibility

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Proceedings Article | 20 August 2020 Presentation

Curved mirror manufactured by customized 3D printed plastic mold

Seunghwan Lee, Hyungsoo Yoon, Yongtaek Hong

Proceedings Volume 11487, 1148712 (2020) https://doi.org/10.1117/12.2567374

KEYWORDS: Mirrors, Aluminum, Manufacturing, 3D printing, Femtosecond phenomena, Ultraviolet radiation, Electronic components, Biomedical engineering, Optical components, Surface roughness

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Proceedings Article | 20 August 2020 Presentation

Readily patterned silver nanowire electrodes for polymer light-emitting diodes on elastomeric substrate

Jinsu Yoon, Geonhee Kim, Sujin Jeong, Hyeon Cho, Seunghwan Lee, Yongtaek Hong

Proceedings Volume 11473, 114730L (2020) https://doi.org/10.1117/12.2568285

KEYWORDS: Electrodes, Organic light emitting diodes, Silver, Nanowires, Transparency, Surface roughness, Optical lithography, Transmittance, Resistance, Optoelectronics

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Proceedings Article | 8 March 2019 Presentation

Polymer light-emitting diodes with inkjet-printed electrodes for all solution-processed display application (Conference Presentation)

Hyungsoo Yoon, Jongjang Park, Byeongmoon Lee, Changhee Lee, Yongtaek Hong

Proceedings Volume 10942, 109420C (2019) https://doi.org/10.1117/12.2508191

KEYWORDS: Organic light emitting diodes, Electrodes, Silver, Inkjet technology, Printing, Sputter deposition, Optical lithography, Zinc oxide

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Proceedings Article | 8 March 2019 Presentation

Solution-processed inverted polymer light-emitting diodes with transferred PEDOT:PSS top anodes (Conference Presentation)

Jongjang Park, Geonhee Kim, Hyungsoo Yoon, Sujin Jeong, Seunghwan Lee, Yongtaek Hong

Proceedings Volume 10942, 109420G (2019) https://doi.org/10.1117/12.2508619

KEYWORDS: Organic light emitting diodes, Electrodes, Inkjet technology, Printing, Aluminum, Glasses, Zinc oxide, Optical lithography, Adhesives, Resistance

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Proceedings Article | 8 March 2019 Presentation

ITO-free solution-processed polymer light-emitting diodes with embedded AgNW-transferred PEDOT:PSS (Conference Presentation)

Geonhee Kim, Jongjang Park, Seunghwan Lee, Changhee Lee, Yongtaek Hong

Proceedings Volume 10942, 109420Q (2019) https://doi.org/10.1117/12.2508163

KEYWORDS: Organic light emitting diodes, Electrodes, Surface roughness, Optical lithography, Silver, Nanowires, Lithography, Surface properties, Resistance, Transmittance

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Proceedings Article | 5 March 2019 Presentation

All-solution-processed thin elastomeric mirror with encapsulation layer for tunable optics applications (Conference Presentation)

Seunghwan Lee, Hyungsoo Yoon, Yongtaek Hong

Proceedings Volume 10914, 109141C (2019) https://doi.org/10.1117/12.2507213

KEYWORDS: Mirrors, Aluminum, Metals, Imaging systems, Zoom lenses, Cameras, Actuators, Sputter deposition, Coating, Adhesives

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Proceedings Article | 13 September 2012 Paper

Sol-gel deposited gallium-doped zinc oxide electrode for polymer light-emitting diode applications

Donghyun Kim, Jaeheung Ha, Changhee Lee, Yongtaek Hong

Proceedings Volume 8476, 84761W (2012) https://doi.org/10.1117/12.928910

KEYWORDS: Organic light emitting diodes, Sol-gels, Annealing, Zinc oxide, Electrodes, Resistance, Polymers, Quartz, Hydrogen, Zinc

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Proceedings Article | 13 September 2012 Paper

Solution processed polymer light-emitting diodes with single layer graphene anode

Jaeheung Ha, Subeom Park, Donghyun Kim, Jaechul Ryu, Changhee Lee, Byung Hee Hong, Yongtaek Hong

Proceedings Volume 8476, 84760Y (2012) https://doi.org/10.1117/12.928821

KEYWORDS: Graphene, Organic light emitting diodes, Ultraviolet radiation, Ozone, Raman spectroscopy, Glasses, Electrodes, Chemical vapor deposition, Polymethylmethacrylate, Atomic force microscopy

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Proceedings Article | 12 November 2007 Paper

Technical issues of stainless steel foil substrates for OLED display applications

Yongtaek Hong, Seungjun Chung, Alex Kattamis, I-Chun Cheng, Sigurd Wagner

Proceedings Volume 6655, 66550N (2007) https://doi.org/10.1117/12.737213

KEYWORDS: Organic light emitting diodes, Surface roughness, Capacitive coupling, Dielectrics, Glasses, Thin films, Capacitance, Laser cutting, Signal processing, Electrodes

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Proceedings Article | 22 May 2006 Paper

All-organic active matrix OLED flexible display

Lisong Zhou, Alfred Wanga, Sheng-Chu Wu, Jie Sun, Sungkyu Park, Shelby Nelson, Diane Freeman, Yongtaek Hong, Thomas Jackson

Proceedings Volume 6225, 62250E (2006) https://doi.org/10.1117/12.666613

KEYWORDS: Organic light emitting diodes, Positron emission tomography, Glasses, Thin films, Dielectrics, Polymers, Capacitors, Optical lithography, Flexible displays, Transistors

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Proceedings Article | 3 March 2003 Paper

An integrating sphere CCD-based measurement method of the OP-LED opto-electronic characteristics

Yongtaek Hong, Jerzy Kanicki

Proceedings Volume 4800, (2003) https://doi.org/10.1117/12.451885

KEYWORDS: Integrating spheres, CCD cameras, Optoelectronics, Polymers, Integrated optics, Calibration

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Proceedings Article | 18 October 2002 Paper

Micromechanical mirror based on PZN-PT single crystal films

Kee Moon, Miguel Levy, Yong Hong, Shankar Ghimire

Proceedings Volume 4902, (2002) https://doi.org/10.1117/12.467609

KEYWORDS: Mirrors, Micromirrors, Actuators, Crystals, Prototyping, Chromium, Microopto electromechanical systems, Electrodes, Niobium, Switches

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Proceedings Article | 27 February 2002 Paper

Air-stable organic polymer red light-emitting devices on flexible plastic substrates

Yongtaek Hong, Zhiqi He, Shujen Lee, Jerzy Kanicki

Proceedings Volume 4464, (2002) https://doi.org/10.1117/12.457492

KEYWORDS: Polymers, Oxygen, Absorption, Electroluminescence, Luminous efficiency, Organic light emitting diodes, Flat panel displays, Aluminum, Molecular electronics, Coating

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Proceedings Article | 2 February 2001 Paper

Materials and device structures for high-performance poly OLEDs on flexible plastic substrates

Yongtaek Hong, Zhiyong Hong, Jerzy Kanicki

Proceedings Volume 4105, (2001) https://doi.org/10.1117/12.416916

KEYWORDS: Polymers, Organic light emitting diodes, Electroluminescence, Glasses, Absorption, External quantum efficiency, Quantum efficiency, Aluminum, Polymer thin films, Thin films

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Showing 5 of 15 publications

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