Dr. Hyun Kyong Cho Profile

Dr. Hyun Kyong Cho

at Ferdinand-Braun-Institut gGmbH

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 13 March 2024 Presentation

Prospects of far-UVC LED technology

Michael Kneissl, Giulia Cardinali, Martin Guttmann, Anton Muhin, Marcel Schilling, Luca Sulmoni, Tim Wernicke, Hyun-Kyong Cho, Johannes Glaab, Tim Kolbe, Jan Ruschel, Sylvia Hagedorn, Neysha Lobo-Ploch, Carsten Netzel, Jens Rass, Sven Einfeldt, Markus Weyers

Proceedings Volume PC12906, PC1290609 (2024) https://doi.org/10.1117/12.3014216

KEYWORDS: Light emitting diodes, External quantum efficiency, Quantum light, Quantum efficiency, Ultraviolet radiation, Skin, Quantum technology applications, Quantum emitters, Pathogens, Dielectric polarization

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Proceedings Article | 9 March 2024 Presentation

Spatially resolved effects in UV LEDs with relevance for device performance and reliability

Jan Ruschel, Tim Kolbe, Jens Tomm, Johannes Glaab, Marcel Schilling, Sylvia Hagedorn, Jens Rass, Hyun Cho, Christoph Stölmacker, Martin Guttmann, Tim Wernicke, Markus Weyers, Michael Kneissl, Sven Einfeldt

Proceedings Volume PC12886, PC1288615 (2024) https://doi.org/10.1117/12.3002498

KEYWORDS: Ultraviolet light emitting diodes, Reliability, Light emitting diodes, Ultraviolet radiation, UV optics, Phototherapy, Lamps, Emission wavelengths, Design and modelling, Cameras

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Proceedings Article | 21 March 2023 Presentation

Exploring the efficiency limits of AlGaN multi-quantum well deep UV-LEDs

Michael Kneissl, Giulia Cardinali, Martin Guttmann, Anton Muhin, Marcel Schilling, Luca Sulmoni, Tim Wernicke, Hyun Kyong Cho, Johannes Glaab, Arne Knauer, Tim Kolbe, Jan Ruschel, Sylvia Hagedorn, Neysha Lobo-Ploch, Carsten Netzel, Jens Rass, Sven Einfeldt, Markus Weyers

Proceedings Volume PC12421, (2023) https://doi.org/10.1117/12.2651983

KEYWORDS: Light emitting diodes, External quantum efficiency, Skin, Sapphire, Deep ultraviolet, Aluminum nitride, Viruses, Ultraviolet light emitting diodes, Toxic gases, Polarization

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Proceedings Article | 21 March 2023 Presentation

Advances in far-UVC LEDs and irradiation systems for medicine and sensing

Sven Einfeldt, Jan Ruschel, Hyun Kyong Cho, Jens Rass, Martin Guttmann, Thomas Filler, Marcel Schilling, Tim Kolbe, Arne Knauer, Sylvia Hagedorn, Luca Sulmoni, Heiko Gundlach, Christoph Stoelmacker, Steffen Knigge, Johannes Glaab, Tim Wernicke, Lucas Wittenbecher, Neysha Lobo Ploch, Markus Weyers, Olaf Krueger, Ulrike Woggon, Axel Kramer, Martina Meinke, Michael Kneissl

Proceedings Volume PC12421, (2023) https://doi.org/10.1117/12.2648706

KEYWORDS: Light emitting diodes, Sensing systems, Medicine, Ultraviolet light emitting diodes, Skin, Semiconductors, Pollution detection, Pathogens, Packaging, Oxides

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Proceedings Article | 15 March 2023 Presentation + Paper

Mechanisms limiting the operation time of UVB Al(In)GaN quantum well light emitters

Jens Tomm, Jan Ruschel, Hyun Kyong Cho, Sven Einfeldt

Proceedings Volume 12440, 1244008 (2023) https://doi.org/10.1117/12.2646579

KEYWORDS: Quantum wells, Inhomogeneities, Semiconductor lasers, Quantum well light emitters, Photoluminescence, Modeling, Luminescence

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Proceedings Article | 9 March 2022 Presentation

Development of far-UVC LEDs and their application in irradiation systems for antisepsis and sensing

Neysha Lobo Ploch, Hyun Kyong Cho, Thomas Filler, Johannes Glaab, Heiko Gundlach, Martin Guttmann, Sylvia Hagedorn, Frank Mehnke, Jens Rass, Jan Ruschel, Marcel Schilling, Luca Sulmoni, Tim Wernicke, Lucas Wittenbecher, Ulrike Woggon, Axel Kramer, Martina Meinke, Michael Kneissl, Markus Weyers, Ulrike Winterwerber, Sven Einfeldt

Proceedings Volume PC12022, PC120220D (2022) https://doi.org/10.1117/12.2607275

KEYWORDS: Light emitting diodes, Skin, Sensing systems, Pathogens, Metals, Packaging, Optical filters, Gases

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Proceedings Article | 5 March 2021 Presentation

AlGaN-based deep UV LEDs: applications and challenges

Michael Kneissl, Giulia Cardinali, Johannes Enslin, Christian Kuhn, Martin Guttmann, Frank Mehnke, Luca Sulmoni, Norman Susilo, Tim Wernicke, Hyun Kyong Cho, Johannes Glaab, Jan Ruschel, Sylvia Hagedorn, Neyhsa Lobo-Ploch, Carsten Netzel, Jens Rass, Sven Einfeldt, Markus Weyers

Proceedings Volume 11686, 116860Y (2021) https://doi.org/10.1117/12.2584960

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Proceedings Article | 14 March 2018 Presentation

From heterostructure design to package: development of efficient and reliable UVB LEDs (Conference Presentation)

Neysha Lobo Ploch, Tim Kolbe, Arne Knauer, Jens Rass, Hyun Kyong Cho, Johannes Glaab, Jan Ruschel, Anna Andrle, Sylvia Hagedorn, Katrin Hilbrich, Christoph Stoelmacker, Steffen Knigge, Maria Reiner, Ina Ostermay, Andreas Thies, Deepak Prasai, Olaf Krueger, Sven Einfeldt, Markus Weyers, Michael Kneissl

Proceedings Volume 10532, 1053220 (2018) https://doi.org/10.1117/12.2287131

KEYWORDS: Light emitting diodes, Heterojunctions, Electron beam lithography, Ultraviolet radiation, Packaging, Ultraviolet light emitting diodes, Mercury, Lamps, Phototherapy, Vapor phase epitaxy

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Showing 5 of 8 publications

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