CONFERENCE PROCEEDINGS
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Hyeonghwa Yu
at Univ of Waterloo
SPIE Involvement:
Author
Publications (5)
Proceedings Article | 3 September 2019 Paper
Influence of deposition rate on hole transport layer morphology and its effect on the electroluminescence stability of phosphorescent organic light emitting devices
Proceedings Volume 11093, 110932A (2019) https://doi.org/10.1117/12.2529653
KEYWORDS: Excitons, Phosphorescent organic light-emitting diodes, Electroluminescence, Organic light emitting diodes, Surface roughness
Proceedings Article | 8 March 2019 Presentation
Investigating the root causes of the stability-gap between solution-coated and vacuum-deposited small-molecule organic light-emitting devices (Conference Presentation)
Yong Joo Cho, Hyeonghwa Yu, Elizabeth Salsberg, Hany Aziz
Proceedings Volume 10942, 109420B (2019) https://doi.org/10.1117/12.2511531
KEYWORDS: Coating, Organic light emitting diodes, Excitons, Molecules, Electroluminescence, Fabrication, Inkjet technology, Printing, Vacuum deposition, Luminescence
Proceedings Article | 19 September 2017 Presentation
Investigating the causes of the lower stability of solution-coated versus vacuum-deposited small-molecule organic light emitting devices (Conference Presentation)
Hany Aziz, Yong Joo Cho, Hyeonghwa Yu, Yingjie Zhang
Proceedings Volume 10362, 103620R (2017) https://doi.org/10.1117/12.2276696
KEYWORDS: Organic light emitting diodes, Coating, Molecular aggregates, Molecules, Electroluminescence, Excitons, Fabrication, Inkjet technology, Printing, Vacuum deposition
SPIE Journal Paper | 9 April 2013 Open Access
Highly efficient blue organic light-emitting diodes using dual emissive layers with host-dopant system
Bo Mi Lee, Hyeong Hwa Yu, You Hyun Kim, Nam Ho Kim, Ju An Yoon, Woo Young Kim, Peter Mascher
JPE, Vol. 3, Issue 01, 033598, (April 2013) https://doi.org/10.1117/12.10.1117/1.JPE.3.033598
KEYWORDS: Organic light emitting diodes, Luminous efficiency, Electrons, Energy transfer, Quantum wells, Excitons, Electroluminescence, Energy efficiency, Quantum efficiency, Electron transport
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Proceedings Article | 24 October 2012 Paper
Highly efficient blue organic light-emitting diodes using dual emissive layers with host-dopant system
Bo Mi Lee, Hyeong Hwa Yu, You Hyun Kim, Nam Ho Kim, Ju An Yoon, Peter Mascher, Woo Young Kim
Proceedings Volume 8412, 841221 (2012) https://doi.org/10.1117/12.2001394
KEYWORDS: Organic light emitting diodes, Luminous efficiency, Electrons, Energy transfer, Quantum wells, Excitons, Electroluminescence, Aluminum, Electron transport, Absorption
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