Prof. Ho Jung Chang Profile

Prof. Ho Jung Chang

at Dankook Univ

SPIE Involvement:

Author

Publications (4)

SPIE Journal Paper | 1 October 2009

Preparation and characterization of phosphorescence organic light-emitting diodes using poly-vinylcarbazole: tris(2-phenylpyridine) iridium(III) emission layer

Hak Min Lee, Seung Jun Baek, Su Cheol Gong, Chang Duk Jeon, Jin Eun Choi, Hyung Ho Park, Hyeongtag Jeon, Young Chul Chang, Ho Jung Chang

OE, Vol. 48, Issue 10, 104001, (October 2009) https://doi.org/10.1117/12.10.1117/1.3251325

KEYWORDS: Organic light emitting diodes, Phosphorescence, Energy transfer, Polymers, Excitons, Optical engineering, Light emitting diodes, Electrodes, Quantum efficiency, Absorption

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Proceedings Article | 27 August 2009 Paper

Preparation and characterization of white phosphorescence polymer light emitting diodes

Hak Min Lee, Su Choel Gong, Chang Duk Jun, Jin Eun Choi, Young Chul Chang, Ho Jung Chang

Proceedings Volume 7415, 74151Z (2009) https://doi.org/10.1117/12.827451

KEYWORDS: Organic light emitting diodes, Phosphorescence, Polymers, Light emitting diodes, Doping, Optical properties, Electrodes, Energy transfer, Absorption, Coating

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Proceedings Article | 17 February 2009 Paper

Preparation and characterization of phosphorescence organic light emitting diodes using PVK:Ir(ppy)3 emission layer

Hak Min Lee, Su Cheol Gong, Ji Geun Chang, Sang Ouk Ryu, Myoung Sun Gong, Jun Yeop Lee, Young Chul Chang, Ho Jung Chang

Proceedings Volume 7213, 72131B (2009) https://doi.org/10.1117/12.808331

KEYWORDS: Organic light emitting diodes, Phosphorescence, Energy transfer, Polymers, Electrodes, Excitons, Absorption, Optical properties, Light emitting diodes, Doping

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Proceedings Article | 12 February 2009 Paper

Properties of organic-inorganic hybrid thin film transistors with ZnO active layer on PES substrates

Su Cheol Gong, Byung Chul Yoo, Ik Sub Shin, Hyungtag Jeon, Hyung-Ho Park, Ho Jung Chang

Proceedings Volume 7217, 72170V (2009) https://doi.org/10.1117/12.808357

KEYWORDS: Zinc oxide, Transistors, Photoemission spectroscopy, Atomic layer deposition, Thin films, Capacitance, Electrodes, Temperature metrology, Switching, Dielectrics

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