Prof. Jang-Joo Kim Profile

Prof. Jang-Joo Kim

Professor

SPIE Involvement:

Conference Program Committee | Author | Editor

Publications (36)

Proceedings Article | 14 March 2023 Presentation

High efficiency stable deep blue OLEDs

Jang-Joo Kim

Proceedings Volume PC12418, PC1241803 (2023) https://doi.org/10.1117/12.2654970

KEYWORDS: Organic light emitting diodes, External quantum efficiency

Read Abstract +

Proceedings Article | 1 August 2021 Presentation

High efficiency deep blue OLEDs

Jang-Joo Kim, Hyungcheol Lim, Yun Hi Kim

Proceedings Volume 11808, 118080R (2021) https://doi.org/10.1117/12.2595922

Read Abstract +

Proceedings Article | 22 August 2020 Presentation

A comprehensive model of the degradation of organic light-emitting diodes

Jang-Joo Kim, Bomi Sim, Jongsoo Kim, Hyejin Bae, Sungho Nam, Eunsuk Kwon, Ji Whan Kim, Hwa-Young Cho, Sunghan Kim

Proceedings Volume 11473, 114730T (2020) https://doi.org/10.1117/12.2570753

KEYWORDS: Organic light emitting diodes, External quantum efficiency, Polarons, Excitons, Quenching (fluorescence), Phosphorescent organic light-emitting diodes, Mass spectrometry, Molecules, Doping

Read Abstract +

Proceedings Article | 10 September 2019 Open Access

What is the Efficiency Limit of OLEDs? (Conference Presentation)

Jang-Joo Kim

Proceedings Volume 11093, 1109302 (2019) https://doi.org/10.1117/12.2534418

Read Abstract +

Proceedings Article | 18 September 2018 Presentation

Excited complex: Its nature and applications (Conference Presentation)

Jang-Joo Kim, Chang-Ki Moon, Hwang-Bum Kim

Proceedings Volume 10736, 107360H (2018) https://doi.org/10.1117/12.2322802

KEYWORDS: Organic light emitting diodes, Photonic devices, Organic photovoltaics, Molecules, Interfaces, Diffusion

Read Abstract +

Proceedings Article | 25 August 2017 Paper

Unraveling the origin of the orientation of Ir complexes doped in organic semiconducting layers

Chang-Ki Moon, Kwon-Hyeon Kim, Jang-Joo Kim

Proceedings Volume 10362, 1036213 (2017) https://doi.org/10.1117/12.2273505

KEYWORDS: Organic light emitting diodes, Semiconductors, Vacuum deposition, Molecules, Organic semiconductors, Spherical lenses, Deposition processes, Polymers, Energy efficiency

Read Abstract +

Proceedings Article | 4 November 2016 Presentation

Highly efficient phosphorescent, TADF, and fluorescent OLEDs (Conference Presentation)

Jang-Joo Kim, Kwon-Hyeon Kim, Chang-Ki Moon, Hyun Shin

Proceedings Volume 9941, 99410F (2016) https://doi.org/10.1117/12.2236758

KEYWORDS: Organic light emitting diodes, Refractive index, Organic semiconductors, Current controlled current source

Read Abstract +

Proceedings Article | 23 September 2016 Paper

Blue phosphorescent OLEDs with 34.1% external quantum efficiency using a low refractive index electron transporting material

Hyun Shin, Jeong-Hwan Lee, Chang-Ki Moon, Jin-Suk Huh, Bomi Sim, Jang-Joo Kim

Proceedings Volume 9941, 99411X (2016) https://doi.org/10.1117/12.2236763

KEYWORDS: Refractive index, Organic light emitting diodes, External quantum efficiency, Electron transport, Phosphorescent organic light-emitting diodes, Organic materials, Microchannel plates, Silica, Spectroscopy, Electroluminescence

Read Abstract +

Proceedings Article | 23 September 2016 Paper

N-type molecular electrical doping in organic semiconductors: formation and dissociation efficiencies of charge transfer complex

Jae-Min Kim, Seung-Jun Yoo, Chang-Ki Moon, Bomi Sim, Jae-Hyun Lee, Heeseon Lim, Jeong Won Kim, Jang-Joo Kim

Proceedings Volume 9941, 99411M (2016) https://doi.org/10.1117/12.2235732

KEYWORDS: Carbon, Doping, Organic semiconductors, Molecules, Rubidium, Thin films, Absorption, Semiconductors, Statistical modeling, In situ metrology

Read Abstract +

Proceedings Article | 8 October 2014 Paper

Extremely high efficiency phosphorescent organic light-emitting diodes with horizontal emitting dipoles

Kwon-Hyeon Kim, Chang-Ki Moon, Jeong-Hwan Lee, Jang-Joo Kim

Proceedings Volume 9183, 918326 (2014) https://doi.org/10.1117/12.2062527

KEYWORDS: Organic light emitting diodes, External quantum efficiency, Quantum efficiency, Doping, Molecules, Electroluminescence, Chemical species, Phosphorescent organic light-emitting diodes, Iridium, Luminescence

Read Abstract +

Proceedings Article | 27 September 2013 Paper

Enhanced light out-coupling from surface plasmonic loss minimized transparent organic light-emitting diodes

Jung-Bum Kim, Jeong-Hwan Lee, Chang-Ki Moon, Sei-Yong Kim, Jang-Joo Kim

Proceedings Volume 8829, 88291M (2013) https://doi.org/10.1117/12.2023898

KEYWORDS: Organic light emitting diodes, External quantum efficiency, Electrodes, OLED lighting, Refractive index, Absorption, Glasses, Metals, Surface plasmons, Quantum efficiency

Read Abstract +

Proceedings Article | 27 September 2013 Paper

Low roll-off and high efficiency orange OLEDs using green and red dopants in an exciplex forming co-host

Sunghun Lee, Kwon-Hyeon Kim, Seung-Jun Yoo, Young-Seo Park, Jang-Joo Kim

Proceedings Volume 8829, 882927 (2013) https://doi.org/10.1117/12.2024584

KEYWORDS: Organic light emitting diodes, External quantum efficiency, Electroluminescence, Doping, Quantum efficiency, Energy transfer, Electrons, Phosphorescence, Excitons, Energy efficiency

Read Abstract +