selected scholarly activity
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conferences
- Effect of tungsten oxide nanoparticles lowering energy barrier in organic photovoltaic using PEDOT:PSS. Optics InfoBase Conference Papers. jtu1a.25. 2021
- Nickel oxide nano-particles replacing of hole injection layer in organic light-emitting diodes. Proceedings of the International Display Workshops. 698-700. 2018
- Blue Phosphorescent Organic Light‐Emitting Diodes Using N‐Type Semiconductor Extra Emission Layer. Physica Status Solidi C: Current Topics in Solid State Physics. 2017
- Hybrid white OLEDs with color stability utilizing blue emission supporting layer. 23rd International Display Workshops in conjunction with Asia Display, IDW/AD 2016. 1223-1226. 2016
- High efficiency of organic photovoltaic device by the energy conversion layer. 2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC). 1-3. 2015
- Energy transfer of triplet excitons between EML and ETL materials in single emissive white phosphorescent OLEDs with three primary colors. Proceedings of the International Display Workshops. 1044-1046. 2015
- Optimization of organic photodetector using OLED lighting device. Proceedings of the International Display Workshops. 1054-1056. 2015
- Vertical organic light emitting transistors in the presence of various ETL materials. Proceedings of the International Display Workshops. 1041-1043. 2015
- White organic light-emitting diodes using P- and N- type emissive host materials with single red dopant in emitting layer. Proceedings of the International Display Workshops. 943-946. 2013
- Highly efficient blue organic light-emitting diodes using dual emissive layers with host-dopant system. Proceedings of SPIE - The International Society for Optical Engineering. 2012
- Optical configuration of the encapsulation layer with the organic and inorganic multilayer structure for top emitting organic light emitting diodes. Proceedings of SPIE - The International Society for Optical Engineering. 84761z-84761z-4. 2012
- The novel organic photovoltaic cell using inter-layer for hole-electron separation. Conference Record of the IEEE Photovoltaic Specialists Conference. 2753-2755. 2012
- Energy transfer mechanism of OLED using two fluorescence dopants in single emissive layer. Proceedings of the International Display Workshops. 841-844. 2011
- Formation of uniform size liquid crystal droplets in a microfluidic device. SID Conference Record of the International Display Research Conference. 241-242. 2011
- White organic light-emitting diodes using CBP inducer between two emissive layers. SID Conference Record of the International Display Research Conference. 287-290. 2011
- The study of an inducer-layer between red and blue emission for white organic light-emitting diodes. Proceedings - International NanoElectronics Conference, INEC. 1-4. 2011
- Fabrication of High Efficiency Flexible CIGS Solar Cell with ZnO Diffusion Barrier on Stainless Steel Substrate. Materials Research Society Symposium - Proceedings. 115-120. 2011
- Fabrication of 4-wavelength white organic light-emitting diodes including two emissive layers and three primary colors. IDW'10 - Proceedings of the 17th International Display Workshops. 1183-1185. 2010
- High contrast blue organic light-emitting diodes using inorganic multi-layer of Al and ZnSe. IDW '09 - Proceedings of the 16th International Display Workshops. 1081-1083. 2009
- Contrast improvement of OLED using multi-layer of metal and metal oxide. Proceedings of International Meeting on Information Display. 530-532. 2008
- Fabrication of WOLED with orange and blue emissive layers using two complementary color method. Proceedings of International Meeting on Information Display. 537-539. 2008
- Highly efficient white organic light-emitting diodes using hybrid-spacer or/and codoped blue emitting layers. Proceedings of International Meeting on Information Display. 1219-1221. 2008
- PLF & OLED planar lighting technology. Society for Information Display - 10th Asian Symposium on Information Display 2007, ASID'07. 10-12. 2007
- 1.5" full color ECR(Enhanced Contrast Ratio) OLED using black layer technology. Proceedings of International Meeting on Information Display. 1394-1397. 2006
- Multilayer white organic light-emitting diodes with blue fluorescent and red phosphorescent materials. Proceedings of International Meeting on Information Display. 1067-1070. 2006
- PM OLED fabrication with new method of metal cathode deposition using shadow mask. Proceedings of International Meeting on Information Display. 987-989. 2006
- TruNano™ processing of color photoresist for the flexible LCD module. Proceedings of International Meeting on Information Display. 443-444. 2006
- High contrast top emission active matrix RGB OLED. IDW/AD'05 - Proceedings of the 12th International Display Workshops in Conjunction with Asia Display 2005. 665-666. 2005
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journal articles
- Uncoupling nanoparticle geometry from material properties for improved hole injection at submonolayer nanoparticle electrode interlayers in organic hole-only devices. Journal of Materials Science: Materials in Electronics. 34. 2023
- Effects of MEH-PPV Molecular Ordering in the Emitting Layer on the Luminescence Efficiency of Organic Light-Emitting Diodes. Molecules. 26:2512-2512. 2021
- Necessity of submonolayer LiF anode interlayers for improved device performance in blue phosphorescent OLEDs. Journal of Materials Science: Materials in Electronics. 32:1161-1177. 2021
- Electro-Optical Performance of OLED with MEH-PPV Fabricated by Solution Process. Proceedings of the International Display Workshops. 2:727-727. 2019
- Electro-Optical Performance of OLED with MEH-PPV Fabricated by Solution Process. Proceedings of the International Display Workshops. 727-727. 2019
- Improved hole injection for blue phosphorescent organic light-emitting diodes using solution deposited tin oxide nano-particles decorated ITO anodes. Scientific Reports. 9:2411. 2019
- Study on hybrid blue organic light emitting diodes with step controlled doping profiles in phosphorescent emitting layer. Optical Materials. 86:498-504. 2018
- Quantitative Analysis of Charge Distribution in Bi-Emissive layer White Organic Light-Emitting Diodes with Two Fluorescent Dopants. Scientific Reports. 8:3172. 2018
- Engineering Education in an Integrated Setting. International Journal of Engineering Pedagogy. 8:17-27. 2018
- White Organic Light‐Emitting Diodes Using Exciplex Emission with Multiple Emitting Layers. Physica Status Solidi (A) Applications and Materials. 215. 2018
- Surface nanostructuring of CuIn1−xGaxSe2films using argon plasma treatment. Semiconductor Science and Technology. 32:075014-075014. 2017
- Plasma‐assisted self‐formation of nanotip arrays on the surface of Cu(In,Ga)Se2 thin films. Physica Status Solidi C: Current Topics in Solid State Physics. 14. 2017
- P‐176: Degradation of Blue Phosphorescent and Fluorescent Organic Light‐Emitting Diodes with Thermal Stress. Digest of Technical Papers - SID International Symposium. 48:1936-1939. 2017
- Effect of various red phosphorescent dopants in single emissive white phosphorescent organic light-emitting devices. Chinese Optics Letters. 15:051602-51606. 2017
- Fluorescent and Phosphorescent Emitting Layers by Utilizing a Triplet Harvesting in Hybrid White Organic Light-Emitting Diodes. Journal of Nanoscience and Nanotechnology. 16:11783-11787. 2016
- Quenching in single emissive white phosphorescent organic light-emitting devices. Organic Electronics. 38:230-237. 2016
- Enhanced Efficiency Roll-Off and Driving Voltage in Hybrid Blue Organic Light-Emitting Diodes with Triplet Harvesting and Mixed Host System. Journal of Nanoscience and Nanotechnology. 16:10214-10218. 2016
- Efficient triplet harvesting of hybrid white organic light-emitting diodes using thermally activated delayed fluorescence green emitter. Journal of Photonics for Energy. 6:042507-042507. 2016
- Study of <I>p</I>-/<I>n</I>-Type Co-Host System in Single Emissive White Phosphorescent Organic Light-Emitting Devices Using Glass and Flexible Substrate. SCIENCE OF ADVANCED MATERIALS. 8:1634-1640. 2016
- Effect of Triplet Harvesting on the Lifetime Based on Fluorescence and Phosphorescence in Hybrid White Organic Light Emitting Diodes. Journal of Nanoscience and Nanotechnology. 16:2701-2705. 2016
- Confinement of holes and electrons in blue organic light-emitting diodes with additional red emissive layers. Optical Materials. 52:181-185. 2016
- Hybrid Blue Organic Light Emitting Diodes with Fluorescent and Phosphorescent Emitters Along with an Interlayer. SCIENCE OF ADVANCED MATERIALS. 8:301-306. 2016
- Efficiency enhancement of fluorescent blue organic light-emitting diodes using doped hole transport and emissive layers. Chinese Optics Letters. 14:043001-43005. 2016
- Electronic alteration of end-on phenyl groups of bis-triazolyl-silanes: electron-transport materials for blue phosphorescent OLEDs. Journal of Materials Chemistry C. 4:4978-4987. 2016
- Luminous efficiency enhancement in blue phosphorescent organic light-emitting diodes with an electron confinement layers. Optical Materials. 47:78-82. 2015
- Efficient charge balance in blue phosphorescent organic light emitting diodes by two types of mixed layer. Thin Solid Films. 587:61-65. 2015
- Color stable white phosphorescent organic light emitting diodes with red emissive electron transport layer. Journal of Applied Physics. 117. 2015
- RGB Recombination Zone Tuning to Improve Optical Characteristics of White Organic Light-Emitting Diodes. Journal of Nanoscience and Nanotechnology. 15:3697-3702. 2015
- Improvement of efficiency roll-off in blue phosphorescence OLED using double dopants emissive layer. Journal of Luminescence. 160:346-350. 2015
- Growth and Optical Properties of Cu(In, Ga)Se2 Thin Films on Flexible Metallic Foils. Journal of Advanced Microscopy Research. 10:28-32. 2015
- Study of triplet exciton’s energy transfer in white phosphorescent organic light-emitting diodes with multi-doped single emissive layer. Optical Materials. 40:57-62. 2015
- Efficiency enhancement of blue phosphorescent organic light-emitting diodes using mixed electron transport layer. Optical Materials. 39:21-25. 2015
- Highly efficient blue organic light-emitting diodes using various hole and electron confinement layers. Chinese Optics Letters. 13:032301-032301. 2015
- Highly efficient blue organic light-emitting diodes using quantum well-like multiple emissive layer structure. Nanoscale Research Letters. 9:191. 2014
- Study of Sequential Dexter Energy Transfer in High Efficient Phosphorescent White Organic Light-Emitting Diodes with Single Emissive Layer. Scientific Reports. 4:7009. 2014
- Effect of interfacial mixed layer in blue phosphorescent organic light-emitting diodes. Physica Status Solidi (A) Applications and Materials. 211:2541-2545. 2014
- Enhancement of external quantum efficiency and reduction of roll-off in blue phosphorescent organic light emitt diodes using TCTA inter-layer. Optical Materials. 37:120-124. 2014
- Solution Process of Encapsulation Layer for Organic Light Emitting Diode for Enhanced Performance. Molecular Crystals and Liquid Crystals. 601:231-236. 2014
- Study of energy transfer in single and multi-emissive layer using Gaussian peak fitting. Journal of Luminescence. 153:104-108. 2014
- Enhanced Efficiency of Blue Phosphorescent Organic Light-Emitting Diode Base on Triple-Emitting Layer with Mixed Host System. Journal of Nanoscience and Nanotechnology. 14:6056-6059. 2014
- Improved Efficiency of Red Phosphorescent Organic Light-Emitting Diodes with Combination of Heterojunction and Mixed Host Structure. Journal of Nanoscience and Nanotechnology. 14:5998-6001. 2014
- The Effect of a Charge Control Layer on the Electroluminescent Characteristic of Blue and White Organic Light-Emitting Diodes. Journal of Nanoscience and Nanotechnology. 14:5802-5806. 2014
- P‐143: Realization of High Efficiency Green Phosphorescent Top‐emitting Organic Light‐emitting Diodes by Employing Ultrathin Non‐doped Emissive Layer. Digest of Technical Papers - SID International Symposium. 45:1522-1525. 2014
- P‐156: Blue Phosphorescence OLED with Interfacial Mixed Layer between EML and ETL. Digest of Technical Papers - SID International Symposium. 45:1568-1570. 2014
- P‐159: Triplet Exciton Confinement in White Phosphorescent Organic Light‐Emitting Diodes with Multi‐Doped Single Emissive Layer. Digest of Technical Papers - SID International Symposium. 45:1577-1580. 2014
- High-performance green phosphorescent top-emitting organic light-emitting diodes based on FDTD optical simulation. Organic Electronics. 15:864-870. 2014
- Luminescence characteristics of hybrid dual emitting layers in blue organic light-emitting diodes by controlling the fluorescent doping concentration. Journal of Luminescence. 148:72-78. 2014
- Luminescence of Rubrene and DCJTB molecules in organic light-emitting devices. Journal of Luminescence. 146:314-320. 2014
- Realization of high-performance blue organic light-emitting diodes using multi-emissive layers. Chinese Optics Letters. 12:012302-12305. 2014
- Thin-film encapsulation for top-emitting organic light-emitting diode with inverted structure. Chinese Optics Letters. 12:022301-22303. 2014
- White phosphorescent organic light-emitting diodes using double emissive layer with three dopants for color stability. Chinese Optics Letters. 12:102302-102302. 2014
- Efficient Green Phosphorescent Organic Light-Emitting Diodes Depending on Concentration of Lithium Quinolate in Electron Transport Layer. Journal of Nanoscience and Nanotechnology. 13:7998-8001. 2013
- Highly Efficient Blue- and White-Organic Light Emitting Diodes Base on Triple-Emitting Layer. Journal of Nanoscience and Nanotechnology. 13:7988-7992. 2013
- Color optimization of single emissive white OLEDs via energy transfer between RGB fluorescent dopants. Journal of Luminescence. 143:723-728. 2013
- Soluble N-Type organic thin-film transistors with enhanced electrical characteristics. Electronic Materials Letters. 9:865-869. 2013
- Highly efficient and simplified phosphorescence white organic light-emitting diodes based on synthesized deep-blue host and orange emitter. Thin Solid Films. 544:234-237. 2013
- High efficient white organic light-emitting diodes with single emissive layer using phosphorescent red, green, and blue dopants. Applied Physics Letters. 103. 2013
- Amorphous Indium Gallium Zinc Oxide Thin-Film Transistors with a Low-Temperature Polymeric Gate Dielectric on a Flexible Substrate. Japanese Journal of Applied Physics. 52:071102-071102. 2013
- High efficiency blue organic light emitting devices doped by BCzVBi in hole and electron transport layer. Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 1567. 2013
- Flexible bottom-emitting white organic light-emitting diodes with semitransparent Ni/Ag/Ni anode. Optics Express. 21:11086-11086. 2013
- Highly efficient blue organic light-emitting diodes using dual emissive layers with host-dopant system. Journal of Photonics for Energy. 3:033598-033598. 2013
- Phosphorescence White Organic Light-Emitting Diodes with Single Emitting Layer Based on Isoquinolinefluorene-Carbazole Containing Host. Journal of Nanoscience and Nanotechnology. 13:1789-1793. 2013
- Characterization of Hybrid Dual Emitting Layers in Blue Organic Light-Emitting Diodes by Controlling the Fluorescent Doping Concentration. Materials Research Society Symposium - Proceedings. 1567:mrss13-1567-jj13-77. 2013
- Effects of Electron Transport Material on Blue Organic Light-Emitting Diode with Fluorescent Dopant of BCzVBi. Journal of Nanoscience and Nanotechnology. 13:294-299. 2013
- High Efficiency Blue Organic Light Emitting Devices doped by BCzVBi in Hole and Electron Transport Layer. Materials Research Society Symposium - Proceedings. 1567:mrss13-1567-jj13-78. 2013
- Highly efficient blue organic light-emitting diodes using DPASN quantum well structure. Materials Research Society Symposium - Proceedings. 1567:mrss13-1567-jj13-73. 2013
- High contrast blue organic light-emitting diodes using inorganic multilayers of Al and ZnSe. Optics Letters. 37:5235-5235. 2012
- White Organic Light-Emitting Diodes With Different Order of RGB-Emitting Layers. Molecular Crystals and Liquid Crystals. 569:125-142. 2012
- Modeling of spiking analog neural circuits using organic semiconductor thin film transistors with silicon oxide nitride semiconductor gates. Organic Electronics. 13:3254-3258. 2012
- Bottom-emission organic light-emitting diodes using semitransparent anode electrode by O2 plasma. Organic Electronics. 13:2594-2599. 2012
- High efficient and color stable WOLED using double white emissive layer. Journal of Luminescence. 132:2122-2125. 2012
- Flexible Top-Emitting Organic Light-Emitting Diodes Using Semi-Transparent Multi-Metal Layers. Journal of Nanoscience and Nanotechnology. 12:5444-5448. 2012
- Enhanced life time and suppressed efficiency roll-off in phosphorescent organic light-emitting diodes with multiple quantum well structures. AIP Advances. 2:012117. 2012
- Spectroscopic study of white organic light-emitting devices with various thicknesses of emissive layer. Journal of Applied Physics. 111. 2012
- Efficient Hole Injection for Top-Emitting Organic Light-Emitting Diodes Using Nickel Oxide by Oxygen Plasma Treatment. Japanese Journal of Applied Physics. 50:112101-112101. 2011
- Efficient Hole Injection for Top-Emitting Organic Light-Emitting Diodes Using Nickel Oxide by Oxygen Plasma Treatment. Japanese Journal of Applied Physics. 50:112101-112101. 2011
- High contrast green OLEDs using inorganic metal multi layer. Synthetic Metals. 161:2211-2214. 2011
- Energy transfer between host and dopant molecules in blue organic light-emitting devices. Journal of Applied Physics. 110:034501. 2011
- White Organic Light-Emitting Diodes Using Red-Fluorescent and Blue-Phosphorescent Emitters with Inducer Layer. Japanese Journal of Applied Physics. 50:062102-062102. 2011
- Image reversal photoresist for small molecule organic light-emitting diode applications. Current Applied Physics. 11:608-612. 2011
- Three Primary-Colored WOLED Using MADN as Host Material. Nanoscience and Nanotechnology Letters. 3:131-135. 2011
- Destructive Optical Interference of Ambient Light for High Contrast Organic Light-Emitting Diode Using Inorganic Metal Multi-Layer. Molecular Crystals and Liquid Crystals. 531:7/[307]-13/[313]. 2010
- Endothermic Forster Energy Transfer from DPVBi to BCzVBi in High Efficient Blue Organic Light-Emitting Diodes. Journal of the Korean Chemical Society. 54:291-294. 2010
- Polarity Effects of Dielectric Anisotropy on the Electro-Optical Characteristics of Fringe Field Twisted Nematic Mode. Electronic Materials Letters. 5:179-182. 2009
- Fabrication of White Organic Light-Emitting Diodes Using Two Complementary Color Methods. Molecular Crystals and Liquid Crystals. 510:282/[1416]-292/[1426]. 2009
- P‐160: Ultra Simple White Organic Light‐Emitting Diodes Using only Three Organic Materials. Digest of Technical Papers - SID International Symposium. 40:1716-1718. 2009
- High Efficient White Organic Light-Emitting Diodes Using BCzVBi as Blue Fluorescent Dopant. Journal of Nanoscience and Nanotechnology. 8:4579-4583. 2008
- The Effects of Two Spacers on White Organic Light-Emitting Diodes. Journal of Nanoscience and Nanotechnology. 8:4584-4587. 2008
- P‐218: High‐Efficiency White Organic Light‐Emitting Diodes Using Hybrid‐Spacer. Digest of Technical Papers - SID International Symposium. 39:2025-2027. 2008
- P‐159: Efficient Red Electroluminescent Devices Based on Inter‐Ligand Energy Transfer of Heteroleptic Tris‐Cyclometalated Iridium Complexes. Digest of Technical Papers - SID International Symposium. 38:800-802. 2007
- P‐160: White Organic Light‐Emitting Diodes Based on Single White Dopant of Heteroleptic Tris‐Cyclometalated Iridium(III) Complex. Digest of Technical Papers - SID International Symposium. 38:803-805. 2007
- P‐164: Highly Efficient White Organic Light‐Emitting Diodes Using Two Emitting Materials for Three Primary Colors (Red, Green and Blue). Digest of Technical Papers - SID International Symposium. 38:813-815. 2007
- Enhanced thermal stability in organic light-emitting diodes through nanocomposite buffer layers at the anode/organic interface. Journal of Applied Physics. 101. 2007
- P-178: A 1.52-in. Full-Color Passive-Matrix OLED with Nitrogen Plasma Treatments. Digest of Technical Papers - SID International Symposium. 37:898-898. 2006
- Al:SiO thin films for organic light-emitting diodes. Journal of Applied Physics. 96:709-714. 2004
- Ultraviolet photoelectron spectroscopy of quantum-well nano-cathode for organic light-emitting diodes. Journal of Materials Science. 22:1415-1417. 2003
- 2.4-in. monochrome small molecular OLED display for mobile application. Current Applied Physics. 2:335-338. 2002
- Chlorine effect on- electroluminescence of Tb complexes. Synthetic Metals. 111-112:113-117. 2000
- Emission shift by recombination effect in a three-layered oeld. Synthetic Metals. 111-112:63-67. 2000
- Electroluminescent characteristics of europium complex thin films prepared using a vacuum deposition technique. Journal of the Korean Physical Society. 35. 1999
- Emission mechanism in OELD : Shift from green to blue. Journal of the Korean Physical Society. 35. 1999
- Organic electroluminescent devices using variable metal cathode in 4-layer structure. Journal of the Korean Physical Society. 35. 1999
- Recent developments and prospects of organic electroluminescent display technology. Journal of the Korean Physical Society. 35. 1999