Publications

2025

[208] [2025.] Hyunjun Jang†, Sora Han†, Baeksang Sung, Jooho Lee, Sohee Jang, Hyerin Kang, Seoyeon Kim, Jin-Wook Shin, Jae-Hyun Lee, Jeyoung Park*, and Jonghee Lee*, “Fully Biocompatible Poly(butylene adipate-co-terephthalate) Based Microstructures for Eco-friendly Light Extraction in Organic Light-Emitting Diodes”, Journal of Information Display, in press (2025)

[207] [2026.1] Jae-Yong Park, Younguk Choi, Akeem Raji, So-Young Boo, Seong-Hwan An, Si-Eun Park, Woon-Ha Lee, Dong-Jun Kim, Hae-Won Lee, Wooik Jung, Jonghee Lee, and Jae-Hyun Lee*, “Impedance Spectroscopy Analysis of Interfacial Charges in Aged Thermally Activated Delayed Fluorescent OLED”, Organic Electronics, 148, 107349 (2025) https://doi.org/10.1016/j.orgel.2025.107349

[206] [2025.] Seung-Yo Baek, Younguk Choi, Hyun-Bin Kim, Kyo-Cheol Kang, Ye-Seul Lee, Akeem Raji, Min-Gyo Jung, So-Young Boo, Wooik Jung, Jonghee Lee, and Jae-Hyun Lee*, “Single-Chamber Deposited Multilayered Parylene Films with Enhanced Visibility and Substrate Adhesion for Protective Device Coating”, Advanced Optical Materials, e01820 (2025) https://doi.org/10.1002/adom.202501820

[205] [2025.11] Hyunjun Jang,†, Jooho Lee,†, Sora Han, Baeksang Sung, Chul Woong Joo, Hyunji Park, Jinhwa Kim, Hyerin Kang, Seoyeon Kim, Jae-Hyun Lee, Yong Hyun Kim, and Jonghee Lee*, “Light extraction film for organic light-emitting diodes based on an eco-friendly template comprising cellulose and polyphenon 60”, Journal of Information Display, 26, 369-379 (2025) https://doi.org/10.1080/15980316.2025.2500619

[204] [2025.11] Akeem Raji, Jae-Yong Park, Jonghee Lee, and Jae-Hyun Lee*, “Characterization of Organic Light-Emitting Diodes Using Impedance Spectroscopy and Equivalent Circuits”, Journal of Materials Chemistry C, 13, 19512-19534 (2025)

[203] [2025.9] Tae-Ho Yang, Hye-Ri Joe, Jin-Seon Heo, Sungmin Kwon, Jonghee Lee, and Jae-Hyun Lee*, “Analysis of thermal degradation of bis(2-phenylpyridine) (acetylacetonate)iridium(III) (Ir(ppy)2(acac)) using spectroelectrochemistry”, Analytical Methods, 17, 6969-6973 (2025) DOI: 10.1039/D5AY00828J

[202] [2025.8] Jooho Lee, Baeksang Sung, Sora Han, Hyunjun Jang, Hyun-Bin Kim, Joo Won Han, Yong Hyun Kim, Jae-Hyun Lee, and Jonghee Lee*, “Bio-material-based deformable out-coupling film with UV-blocking properties for stabilized organic light-emitting diodes”, Journal of Information Display, 26, 197-207 (2025) https://doi.org/10.1080/15980316.2024.2434110

[201] [2025.8] Hye Yeon Park†, Jooho Lee†, Chul Woong Joo†, Hyunjun Jang, Ye ji Hyeon, Baeksang Sung, Hyunji Park, Jinhwa Kim, Soon-Ki Kwon, Jonghee Lee*, and Yun-Hi Kim*, “High-Efficiency and Low Roll-Off Red Phosphorescent Organic Light-Emitting Diodes Enabled by Phenanthridine-Based Bipolar Host Materials”, Dyes and Pigments, 239, 112796 (2025) https://doi.org/10.1016/j.dyepig.2025.112796

[200] [2025.7] Anky Fitrian Wibowo,† Baeksang Sung†, Jung Ha Kim, Sora Han, Eun-Jeong Jang, Siti Aisyah Nurmaulia Entifar, Yulia Shara br Sembiring, Muhamad Junda Azizi, Soo In Lee, Yinghui Wang, Muhammad Nur Slamet,  Jae-Hyun Lee, Jonghee Lee,* and Yong Hyun Kim,* “Tannic Acid-Enhanced Cellulose/PEDOT:PSS Films Exhibiting Low Electrical Hysteresis, UV Blocking, and Antibacterial Properties for Wearable Sensing”, ACS Sustainable Chemistry & Engineering, 13, 12523 (2025) https://doi.org/10.1021/acssuschemeng.5c03651

[199] [2025.5] Nisa Aqilla Ellenahaya Entifar, Geon Wu Kim, Siti Aisyah Nurmaulia Entifar,  Junghwan Oh, Jonghee Lee, Dong Chan Lim, Soyeon Kim, Min-Seok Kim,  Yong Hyun Kim, “High-performance PVA/xanthan gum hydrogel via dual cross-linking with ionic treatment for wearable sensing and hydrovoltaic energy generation”, Chemical Engineering Journal, 520, 165637 (2025) https://doi.org/10.1016/j.cej.2025.165637

[198] [2025.5] Sora Han†, Kitae Kim†, Baeksang Sung, Jooho Lee, Hyunjun Jang, Yong Hyun Kim, Jae-Hyun Lee, Jun-Hee Na* and Jonghee Lee*, “Bioinspired and Sustainable Physical Unclonable Functions with Antibacterial Microstructures”, Advanced Intelligent Systems, 2500233 (2025) http://doi.org/10.1002/aisy.202500233

[197] [2025.5] Jeong-In Lee†, Baeksang Sung†, Joo Won Han, Yong Hyun Kim, Jonghee Lee*, and Min-Hoi Kim*, “Hydroxyethyl cellulose charge trap layer for water-degradable short-term transistor memory”, Electronic Materials Letters, 21, 357 (2025) https://doi.org/10.1007/s13391-025-00553-z 

[196] [2025.5] Somi Park, Akeem Raji, So-Young Boo, Eun-Jeong Jang, Akpeko Gasonoo, Jaeyong Park, Sungmin Kwon, Jonghee Lee, and Jae-Hyun Lee*, “Effect of Interlayer on Doped Organic p–n Heterojunction Charge Generation Layers using Impedance Spectroscopy”, Advanced Electronic Materials, 2400609 (2025) https://doi.org//10.1002/aelm.202400609

[195] [2025.4] Jinwoong Hong†, Chul Woong Joo†, Baeksang Sung†, Jooho Lee, Ye ji Hyeon, Dasol Kim, Hyunji Park, Jinhwa Kim, Jonghee Lee*, and Yun-Hi Kim* “Synthesis and Characterization of Bipolar Host Materials Based on Indolocarbazole Derivatives for Green Phosphorescent Organic Light-Emitting Diodes", Synthetic Metals, 311, 117845 (2025) https://doi.org/10.1016/j.synthmet.2025.117845 

2024

[194] [2024.11] Sora Han, Baeksang Sung, Hyunjun Jang, Jooho Lee, Seungwan Woo, Dasol Kim, Jinhwa Kim, Hye-Ri Joe, Joo Won Han, Yong Hyun Kim, Jae-Hyun Lee, and Jonghee Lee*, “Spontaneously Formed Cellulose-Based Random Micro-Textured Film for Light Extraction in Organic Light-Emitting Diodes”, Journal of Information Display, 25, 341-348 (2024) https://doi.org/10.1080/15980316.2024.2325357

[193] [2024.09] Hyunjun Jang, Baeksang Sung, Sora Han, Jooho Lee, Yong Hyun Kim, Jae-Hyun Lee, Jonghee Lee*, “Environmental Friendly Out-Coupling Film to Enhance the Efficiency of Organic Light Emitting Diode with UV protection, J. inst. Korean. Electr. electron. eng., 28, 329-336 (2024) https://doi.org/10.7471/ikeee.2024.28.3.329

[192] [2024.8] Anky Fitrian Wibowo, Saravanan Nagappan, Siti Aisyah Nurmaulia Entifar, Jung Ha Kim, Yulia Shara br Sembiring, Joo Won Han, Junghwan Oh, Guohua Xie, Jonghee Lee, Jincheol Kim, Dong Chan Lim, Myoung-Woon Moon, Min-Seok Kim, Soyeon Kim* and Yong Hyun Kim*, “Recyclable, ultralow-hysteresis, multifunctional wearable sensors based on water-permeable, stretchable, and conductive cellulose/PEDOT:PSS hybrid films”, Journal of Materials Chemistry A, 12, 19403 (2024) https://doi.org/10.1039/d4ta02875a

[191] [2024.7] Eunju Shin†, Baeksang Sung†, Chul Woong Joo†, Dasol Kim, Jinhwa Kim, Jonghee Lee*, and Yun-Hi Kim*, “Novel indolocarbazole-based bipolar host materials for fabricating green phosphorescent organic light-emitting diodes with high efficiency and low roll-off”, Dyes and Pigments, 226, 112147 (2024) https://doi.org/10.1016/j.dyepig.2024.112147

[190] [2024.4] So-Young Boo, Akeem Raji, Jae-Yong Park, Somi Park, Jonghee Lee, and Jae-Hyun Lee*, “Analysis of interfacial charges in aged co-host emitting layer of organic light-emitting diodes using impedance spectroscopy”, Journal of Information Display, 25, 211-217 (2024) https://doi.org/10.1080/15980316.2023.2271176

[189] [2024.3] Hyun-Bin Kim, Seoun-Yo Baek, So-Young Boo, Baeksang Sung, Sungmin Kwon, Jonghee Lee, Jae-Hyung Lee*, "Application of Nanostructured Parylene‐C Films for Improved Optical Characteristics of Organic Light‐Emitting Diodes", Advanced Materials Interfaces, 2400089 (2024) https://doi.org/10.1002/admi.202400089

[188] [2024.2] Eun-Jeong Jang, Baeksang Sung, Sungmin Kwon, Yoonseuk Choi, Jonghee Lee, Jae-Hyun Lee*, "The Study of Hole Injection Characteristics in Solution-Processed Copper (I) Thiocyanate (CuSCN) Film", Applied Chemistry for Engineering, 35, 61-65 (2024) https://doi.org/10.14478/ace.2024.1001

2023

[187] [2023.12] Ye-Seul Lee, Akeem Raji, Eun-Kyung Noh, Ji-Hyeon Yoon, Baeksang Sung, Akpeko Gasonoo, Jonghee Lee, Min-Hoi Kim, Yoonseuk Choi, Yuji Shibasaki, and Jae-Hyun Lee*, “Structural characteristics of thermally advanced polymer with intrinsic microporosity for application as flexible OLED substrate”, Journal of Information Display, 24, 263-271 (2023) https://doi.org/10.1080/15980316.2023.2205037

[186] [2023.11] Baeksang Sung†, Seongjeong Lee†, Chul Woong Joo†, Seungwan Woo, Dasol Kim, Jonghee Lee*, and Yun-Hi Kim*, “Synthesis and Characterization of a Novel Thermally Stable Silane-based Host Material for Blue Phosphorescent Organic Light-emitting Diodes”, Dyes and Pigments, 219, 111622  (2023) https://doi.org/10.1016/j.dyepig.2023.111622

[185] [2023.10] Jaehyun Moon*, Keunsoo Lee, Seung Koo Park, Chul Woong joo, Jin-Wook Shin, Jonghee Lee, Jun-Han Han, and Nam Sung Cho, “Random wrinkle structures for spectrum preserved warm white organic light emitting diodes”, Journal of Industrial and Engineering Chemistry, 117, 298-306  (2023) https://doi.org/10.1016/j.jiec.2022.10.018 

[184] [2023.09] Ajeng Prameswati, Siti Aisyah Nurmaulia Entifar, Joo Won Han, Anky Fitrian Wibowo, Jung Ha Kim, Yulia Shara br Sembiring, Jihyun Park, Jonghee Lee, Ah-Young Lee, Myoung Hoon Song, Soyeon Kim, Dongchan Lim, Youngho Eom, Sohyun Heo, Myoung-Woon Moon, Min-Seok Kim, and Yong Hyun Kim* “Self-Healable Conductive Hydrogels with High Stretchability and Ultralow Hysteresis for Soft Electronics”, ACS Applied Materials & Interfaces, 15, 24648-24657 (2023) https://doi.org/10.1021/acsami.3c02407

[183] [2023.09] Su-Ji Kim, Akeem Raji, Akpeko Gasonoo, Jonghee Lee, and Jae-Hyun Lee*, “Analysis of the Characteristics of Organic Light-Emitting Diodes with Single and Mixed Host EML by Impedance Spectroscopy”, Organic Electronics, 120, 106850 (2023) https://doi.org/10.1016/j.orgel.2023.106850

[182] [2023.08] Somi Park, Seung-Yo Baek, Hyun-Bin Kim, Jonghee Lee, and Jae-Hyun Lee*, “In-situ Deposition Rate Measurement System to Improve the Accuracy of the Film Formation Process”, Applied Chemistry for Engineering, 34, 383-387 (2023) DOI: https://doi.org/10.14478/ace.2023.1044

[181] [2023.08] Ji Hyun Lee†, Chul Woong Joo†, Baeksang Sung†, Seung-Je Woo, Seungwan Woo, Gyeong Seok Lee, Jonghee Lee*, and Yun-Hi Kim*, “Highly efficient single emitter white phosphorescent organic light-emitting diodes based on Pt (II) emitters”, Journal of Materials Chemistry C, 11, 10730-10737 (2023) https://doi.org/10.1039/D3TC01466E

[180] [2023.06] Sora Han, Baeksang Sung, Dasol Kim, Jinhwa Kim, Seungwan Woo, Jooho Lee, Seung-Yo Baek, Mijin Won, Chul Woong Joo, Joo Won Han, Yong Hyun Kim, Dongsoo Kim, Jae-Hyun Lee, Jonghee Lee*, “Eco-friendly External Light Extraction Films for Enhanced Out-Coupling Efficiency of Organic Light Emitting Diodes”, J. inst. Korean. Electr. electron. eng., 27, 135-143 (2023) https://doi.org/10.7471/ikeee.2023.27.2.135

[179] [2023.06] Jinhwa Kim, Baeksang Sung, Sora Han, Dasol Kim, Seung Wan Woo, Jooho Lee, So-Young Boo, Hyun-Bin Kim, Jae-yong Park, Somi Park, Seung-Yo Baek, Chul Woong Joo, Jae-Hyun Lee, and Jonghee Lee*, “External light extraction film for organic light-emitting diodes using AAO template”, J. inst. Korean. Electr. electron. eng., 27, 127-134 (2023) https：//doi.org/10.7471/ikeee.2023.27.2.127

[178] [2023.05] Song Lee, Jeong-In Lee, Chang-Hyun Kim, Jin-Hyuk Kwon, Jonghee Lee, Amos Boampong, and Min-Hoi Kim*, “Solution-processed zirconium acetylacetonate charge-trap layer for multi-bit nonvolatile thin-film memory transistors”, Science and Technology of Advanced Materials, 24, 2212112 (2023) https://doi.org/10.1080/14686996.2023.2212112

[177] [2023.04] So-Hyeon Lee, Hea-Lim Park, Seung-Hoon Lee, Eun-Kyung Noh, Subin Hwa,  Jonghee Lee, Jae-Hyun Lee, and Min-Hoi Kim* “Systematic Investigation of Subtractive Contact Patterning for High-Resolution Organic Electronic Devices”, ACS Applied Electronic Materials, 5, 2197-2202 (2023) https://doi.org/10.1021/acsaelm.3c00080

[176] [2023.04] Anky Fitrian Wibowo, Joo Won Han, Jung Ha Kim, Ajeng Prameswati, Siti Aisyah Nurmaulia Entifar, Jihyun Park, Jonghee Lee, Soyeon Kim, Dongchan Lim, Youngho Eom, Myoung-Woon Moon, Min-Seok Kim, and Yong Hyun Kim* “Universal Stretchable Conductive Cellulose/PEDOT:PSS Hybrid Films for Low Hysteresis Multifunctional Stretchable Electronics”, ACS Applied Materials & Interfaces, 15, 18134-18143 (2023) https://doi.org/10.1021/acsami.3c01794

[175] [2023.03] Baeksang Sung†, Chul Woong Joo†, Jun Chang Yang†, Akpeko Gasonoo, Seung Wan Woo, Jae-Hyun Lee, Steve Park, and Jonghee Lee*, “Application of optical property-enhancement film to improve efficiency and suppress angle dependence of top-emitting organic light-emitting diodes”, Journal of Information Display, 24, 71-79 (2023) https://doi.org/10.1080/15980316.2022.2127950

[174] [2023.03] G. Huseynova, A. A. Boampong, K. M. Yu, Y. -S. Lee,  J. Lee, M. H. Kim*, and J. -H. Lee*, “Highly conductive and low-work-function polymer electrodes for solution-processed n-type oxide thin-film transistors”, Journal of Information Display., 24, 47-56 (2023) https://doi.org/10.1080/15980316.2022.2126017

[173] [2023.03] Hyunji Park, Donghyo Hahm, Hyunsu Cho, Jin-Wook Shin, Chan-mo Kang, Dae-Hyun Ahn, Chul Woong Joo, Byoung-Hwa Kwon, Kukjoo Kim, Joo Yeon Kim, Byeong Guk Jeong, Nam Sung Cho, Wan Ki Bae, Jonghee Lee*, and Sukyung Choi*, “Efficient Quantum Dot Color Conversion Layer with Mixed Spherical/rod-shaped Scattering Particles”, ACS Applied Optical Materials, 1, 289-297 (2023) https://doi.org/10.1021/acsaom.2c00054

2022

[172] [2022.10] G. Huseynova, J. -H. Lee, A. Gasonoo, H. Lee, Y. H. Kim, and J. Lee*, “Efficient Tandem Organic Light-Emitting Diode with Fluorinated Hexaazatrinaphthylene Charge Generation Layer”, Journal of Information Display, 23, 259-266 (2022) https://doi.org/10.1080/15980316.2022.2089751

[171] [2022.10] Yeong Heon Jeong†, Chul Woong Joo†, Hyein Jeong, Jonghee Lee*, and Yun-Hi H. Kim*, “Solution-processed sky-blue phosphorescent organic light-emitting diodes based on 2-(5,9-dioxa-13b-boranaphtho[3,2,1-de]anthracen-8-yl)-4-(trimethylsilyl)pyridine chelated iridium complex”, Journal of Information Display, 23, 273-279 (2022) https://doi.org/10.1080/15980316.2022.2097484

[170] [2022.10] Ye-Seoul Lee, Ji-Hyeon Yoon, Akeem Raji, Seung-Yo Baek, Yoonseuk Choi, Jonghee Lee, Akpeko Gasonoo*, and Jae-Hyun Lee*, “Optical and Electrical Characterization of Visible Parylene Films”, Materials, 15, 6717 (2022) https://doi.org/10.3390/ma1519671

[169] [2022.09] Ajeong Prameswati, Joo Won Han, Jung Ha Ki, Anky Wibowo, Siti Aisyah Nurmaulia Entifar, Jihyun Park, Jonghee Lee, Soyeon Kim, Dongchan Lim, Myoung-Woon Moon, Min-Seok Kim*, and Yong Hyun Kim*, “Highly Stretchable and Mechanically Robust Silver Nanowires on Surface-Functionalized Wavy Elastomers for Wearable Healthcare Electronics”, Organic Electronics, 108, 106584 (2022) DOI: https://doi.org/10.1016/j.orgel.2022.106584

[168] [2022.09] Ajeong Prameswati, Joo Won Han, Jung Ha Ki, Anky Wibowo, Siti Aisyah Nurmaulia Entifar, Jihyun Park, Jonghee Lee, Soyeon Kim, Dongchan Lim, Myoung-Woon Moon, Min-Seok Kim*, and Yong Hyun Kim*, “Highly Stretchable and Mechanically Robust Silver Nanowires on Surface-Functionalized Wavy Elastomers for Wearable Healthcare Electronics”, Organic Electronics, 108, 106584 (2022) DOI: https://doi.org/10.1016/j.orgel.2022.106584

[167] [2022.09] Seung Wan Woo†, Jangwon Lee†, Baeksang Sung, Akpeko Gasonoo, Jaehyeok Cho, Seo-Yoon Lee, Seon Jin Lee, Ye-Seul Lee, Seung-Yo Baek, Jinhwa Kim, Yong Hyun Kim, Jae-Hyun Lee, Min-Hoi Kim, and Jonghee Lee*, “Improved out-coupling efficiency of organic light-emitting diodes using micro-sized perovskite crystalline template”, Organic Electronics, 108, 106580 (2022) https://doi.org/10.1016/j.orgel.2022.106580

[166] [2022.07] Akeem Raji, Ye-Seoul Lee, Seung-Yo Baek, Ji-Hyeon Yoon, Akpeko Gasonoo,  Jonghee Lee, and Jae-Hyun Lee*, “The Effect of Reactive Sputtering on the Microstructure of Parylene-C”, Materials, 15, 5203 (2022) https://doi.org/10.3390/ma15155203

[165] [2022.07] Joo Won Han, Jihyun Park, Jung Ha Kim, Siti Aisyah Nurmaulia Entifar, Ajeong Prameswati, Anky Fitrian Wibowo, Soyeon Kim, Dong Chan Lim, Jonghee Lee, Myoung-Woon Moon, Min-Seok Kim, and Yong Hyun Kim*, “Highly Stretchable and Conductive Cellulose/Conductive Polymer Composite Films for On-Skin Strain Sensors”, Materials, 15, 5009 (2022) https://doi.org/10.3390/ma15145009

[164] [2021.06] Subin Hwa, Baeksang Sung, Jae-Hyun Lee, Jonghee Lee*, and Min-Hoi Kim*, “Roll-to-roll microcontact-printed microlens array for light extraction film of organic light emitting diodes”, J. inst. Korean. Electr. electron. eng., 26, 205-210 (2022) https://doi.org/10.7471/ikeee.2022.26.2.205 65

[163] [2022.06] J. W. Han, A. F. Wibowo, J. Park, J. H. Kim, A. Prameswati, S. A. N. Entifar, J. Lee, S. Kim, D. C. Lim, M. -W. Moon,  M. -S. Kim, and Y. H. Kim*, “Highly Stretchable,  Robust, and Conductive Lab-Synthesized PEDOT:PSS Conductive Polymer/Hydroxyethyl Cellulose Films for On-Skin Health-Monitoring Devices”, Organic Electronics, 105, 106499 (2022) https://doi.org/10.1016/j.orgel.2022.106499

[162] [2022.05] J. Kim, C. W. Joo, S. -J. Woo, J. Park, J. Lee*, and Y. -H. Km*, “Rational Understanding of Substituent Effects on Multi Carbazole Thermally Activated Delayed Fluorescent Emitters”, J. Mater. Chem. C., 10, 7304-7310 (2022) https://doi.org/10.1039/D2TC00669C

[161] [2022.05] H. U. Hwang, J. Yoon, Y. -S. Lee, J. Lee, J. Lee, K. -G. Lim*, and J. W. Kim*, “Enhanced hole injection and transport property of thermally deposited copper thiocyanate (CuSCN) for organic light-emitting diodes”, APL Materials, 10, 051109 (2022) https://doi.org/10.1063/5.0091055

[160] [2022.05] Anky Fitrian Wibowo, Joo Won Han, Jung Ha Kim, Ajeng Prameswati, Siti Aisyah Nurmaulia Entifar, Jihyun Park, Jonghee Lee, Myoung-Woon Moon, Min-Seok Kim*, and Yong Hyun Kim*, “Highly Stretchable and Robust Transparent Conductive Polymer Composites for Multifunctional Healthcare Monitoring”, Science and Technology of Advanced Materials, 23, 332- 340 (2022) https://doi.org/10.1080/14686996.2022.2070864

[159] [2022.05] Y. -J. Lim, S. -H. Lee, J. Lee, A. Gasonoo, and J. -H. Lee*, “Optical and Electrical Analysis in Various Organic-Inorganic Stacked Structures”, Organic Electronics, 104, 106488 (2022) https://doi.org/10.1016/j.orgel.2022.106488

[158] [2022.01] Amos A. Boampong, Sang-Hoon Lee, Jonghee Lee, Yoonseuk Choi, and Min-Hoi Kim*, “Perhydropolysilazane Charge–Trap Layer in Solution–Processed Organic and Oxide Memory Thin–Film Transistors’, Advanced Electronic Materials, 2101079 (2022) https://doi.org/10.1002/aelm.202101079

[157] [2022.01] Anky Fitraian Wibowo, Joo Won Han, Jung Ha Kim, Ajeong Prameswati, Ji Hyun Park, Siti Aisyah Nurmaulia Entifar, Jonghee Lee, So Kim, Dongchan Lim, Myoung-Woon Moon, Min-Seok Kim*, and Yong Hyun Kim*, “Multiple Functionalities of Highly Conductive and Flexible Photo- and Thermal-Responsive Colorimetric Cellulose Films”, Materials Research Letters, 10, 36-44 (2022) https://doi.org/10.1080/21663831.2021.2013330

[156] [2022.01] S. J. Lee, C. -m. Kang, J. -W. Shin, D. H. Ahn, C. W. Joo, H. Cho, N. S. Cho, H. M. Youn, Y. J. An, J. Lee*, and H. Lee*, “Three-wavelength white organic light-emitting diodes on silicon for high luminance and color gamut microdisplays”, Journal of Industrial and Engineering Chemistry, 105, 132-137 (2022) https://doi.org/10.1016/j.jiec.2021.09.014

2021

[155] [2021.12] J. -H. Kwon, J. Lee, M. H. Kim, J. -H. Bae, and J. Park*, “Molecular Subtractive Surface-Energy Engineering of Crosslinked Poly(4-vinylphenol) Insulators for a Solution-Processed Organic Thin-Film Transistor”, Organic Electronics, 99, 106345 (2021) https://doi.org/10.1016/j.orgel.2021.106345

[154] [2021.10] G. Huseynova†, J. Lee†, J. -H. Lee, W. M. Kim, and Y. H. Kim*, “Light Outcoupling using Oxide Nanostructures for Tandem White Organic Light-Emitting Diodes on Polymeric Anodes”, Electronic Materials Letters, 17, 471-478 (2021) (†equally contributed) https://doi.org/10.1007/s13391-021-00303-x

[153] [2021.9] G. Huseynova, J. Lee, J. -H. Lee*, and J. -H. Lee*, “Charge Generation Efficiency of Electrically Doped Organic Semiconductors”, Materials Today Energy, 21, 100709 (2021) [Review paper] https://doi.org/10.1016/j.mtener.2021.100709

[152] [2021.9] A. Gasonoo, Y. -J. Lim, E. -J. Jang, J. Lee, M. -H. Kim, Y. Choi, and J. -H. Lee*, “Degradation Analysis of doped organic p-n heterojunction Charge Generation Layers Using Impedance and Optical Spectroscopy”, Materials Today Energy, 21, 100794 (2021) https://doi.org/10.1016/j.mtener.2021.100794

[151] [2021.7] Z. R. Ramadha, J. W. Han, J. Hong, S. B. Park, J. H. Kim, A. F. Wibowo, A. Prameswati, S. Y. Kim, J. Lee, S. Kim, D. C. Lim, M. -W. Moon, M. -S. Kim, and Y. H. Kim*, “Conductive PEDOT:PSS on Surface-Functionalized Chitosan Biopolymers for Stretchable Skin-Like Electronics”, Organic Electronics, 94, 106135 (2021) https://doi.org/10.1016/j.orgel.2021.106165

[150] [2021.7] G. Huseynova, J. -M. Yoo, B. -S. Sung, S. -H. Lee, J. W. Lee, S. -W. Woo, Y. H. Kim, J. -H. Lee, and J. Lee*, “Effect of the Hole Injection Layer Conductivity on the Performance of Polymer Light-Emitting Diodes”, Electronic Materials Letters, 17, 331-339 (2021) https://doi.org/10.1007/s13391-021-00290-z

[149] [2021.6] G. Huseynova, J. -H. Lee, Y. H. Kim, and J. Lee*, “Transparent Organic Light-Emitting Diodes : Advances, Prospects, and Challenges”, Advanced Optical Materials, 2002040 (2021) [invited review] https://doi.org/10.1002/adom.202002040

[148] [2021.6] Baeksang Sung, Jae-Hyeok Cho, Young-Ji Lim, Akpeko Gasonoo, Hyunah Lee, Jangwon Lee, Seungwan Woo, Dongsoo Kim, Jae-Hyun Lee, Min-Hoi Kim*, and Jonghee Lee*, “High transmittance external light extraction film for organic light emitting diodes using island-structured P(VDF-TrFE) mold”, J. inst. Korean. Electr. electron. eng., 25, 322-329 (2021) https://doi.org/10.7471/ikeee.2021.25.2.322

[147] [2021.6] J. Park, J. -H. Lee, J. Lee*, and H. Cho*, “Effect of p-doped hole transport and charge generation layer on single and two-tandem blue top-emitting organic light-emitting diodes”, Journal of Information Display, 22, 107-113 (2021) https://doi.org/10.1080/15980316.2020.1863273

[146] [2021.5] M. W. Ha, C. W. Joo, J. Park, J. Hwa, H. Jeong, J. Lee* and Y. -H. Kim* “Ancillary ligand effect with methyl and t-butyl for deep blue and high EQE blue phosphorescent organic light-emitting diodes”, Chemical Engineering Journal, 411, 128437 (2021) https://doi.org/10.1016/j.cej.2021.128437

[145] [2021.3] S. B. Park, J. W. Han, J. H. Kim, A. F. Wibowo, A. Prameswati, J. Park, J. Lee, M. -W. Moon, M. -S. Kim, and Y. H. Kim*, “Multifunctional Stretchable Organic Electronics with Transparent Conductive Silver Nanowire/Biopolymer Hybrid Films”, Advanced Optical Materials, 2002041 (2021) https://doi.org/10.1002/adom.202002041

[144] [2021.3] G. Huseynova, Y. -J. Lim, A. Gasonoo, C. W. Joo, J. -M. Yoo, S. -H. Lee, J. Park, N. S. Cho, Y. H. Kim, J. Lee*, and J. -H. Lee*, “Solution-Processed Colored Electrodes for ITO-Free Blue Phosphorescent Organic Light-Emitting Diodes”, Journal of Information Display, 22, 21-30 (2021) https://doi.org/10.1080/15980316.2020.1790434

[143] [2021.2] H, J. Cheon, C. W. Joo, D. Y. Lee, G. Huseynova, J. -H. Lee, J. Lee* and Y. -H. Kim* “Highly efficient orange phosphorescent organic light-emitting diodes with (4-(3,5-dimethylphenyl)-2-(m-tolyl)pyridine)-based iridium complex”, Dyes and Pigments, 186, 109006 (2021) https://doi.org/10.1016/j.dyepig.2020.109006

[142] [2021.1] S. -H. Lee, G. Huseynova, H. -K. Choi, Y. -J. Lim, J. Lee, and J. -H. Lee*, “Analysis of charge transfer complex at the interface between organic and inorganic semiconductors”, Organic Electronics, 88, 106001 (2021) https://doi.org/10.1016/j.orgel.2020.106001

2020

[141] [2020.11] G. Huseynova, J. -H. Lee, Y. H. Kim, and J. Lee*, “Transparent Bi-Directional Organic Light-Emitting Diodes with Color-Tunable Top Emission”, Organic Electronics, 86, 105900 (2020) https://doi.org/10.1016/j.orgel.2020.105900

[140] [2020.9] J. Lee, B. Sung, S. -H. Lee, J. -M. Yoo, J. -H. Lee, and J. Lee*, “Solution Processed Hexaazatrinaphthylene derivatives as a efficient hole injection layer for phosphorescent organic light-emitting diodes”, J. inst. Korean. Electr. electron. eng., 24, 706 (2020)

[139] [2020.9] B. Sung, J. Lee, S. -H. Lee, J. -M. Yoo, J. -H. Lee, and J. Lee*, “Solution processed doping to the polymer hole transporting layer for phosphorescent organic light-emitting diodes”, J. inst. Korean. Electr. electron. eng., 24, 699 (2020)

[138] [2020.8] A. Gasonoo, Y. -S. Lee, J. -H. Yoon, B. -S. Sung, Y. Choi, J. Lee, and J. -H. Lee*, “Outcoupling efficiency enhancement of bottom-emitting OLED with visible parylene film”, Optics Express, 28, 26724 (2020) DOI: 10.1364/OE.397789

[137] [2020.8] C.-H. Shin, G. Huseynova, E. Kim, J. Lee, S. Yoo, Y. Choi*, and J.-H. Lee*, “Random Al2O3 nanoparticle-based polymer composite films as outcoupling layers for flexible organic light-emitting diodes”, Optics Express, 28, 26170 (2020) https://doi.org/10.1364/OE.400687

[136] [2020.8] G. Huseynova, S. -H. Lee, C. W. Joo, Y. -S. Lee, Y. -J. Lim, J. Park, J. -M. Yoo, N. S. Cho, Y. H. Kim, J. Lee*, and J. -H. Lee, “Dye-doped poly(3,4-Ethylenedioxythiophene)-Poly(Styrenesulfonate) electrodes for the application in organic light-emitting diodes”, Thin Solid Films, 707, 138078 (2020) https://doi.org/10.1016/j.tsf.2020.138078

[135] [2020. 7] J. Hong, J. W. Han, T. T. K. Tu, S. Kim, D. Lim, S. B. Park, S. Y. Kim, J. H. Kim, D. W. Kim, J. Lee, K. T. Lim, and Y. H. Kim*, “Enhanced light outcoupling in organic light-emitting diodes using phase separated polymer films”, Electronic Materials Letters, 16, 363-368 (2020) https://doi.org/10.1007/s13391-020-00224-1

[134] [2020.6] G. Huseynova, Y. H. Kim, J. -H. Lee, and J. Lee*, “Rising Advancements in the Application of PEDOT:PSS as a Prosperous Transparent and Flexible Electrode Material for Solution-Processed Organic Electronics”, Journal of Information Display, 21, 71-91 (2020) doi.org/10.1080/15980316.2019.1707311 [invited review]

[133] [2020.4] G. Huseynova, Y. H. Kim, J. -H. Lee, and J. Lee*, “Emission characteristics of transparent organic light-emitting diodes with molybdenum oxide capping layers”, Synthetic Metals, 262, 116335 (2020)

[132] [2020.3] A. Gasonoo, H. -S. Ahn, J. Lee, M. -H. Kim, J. -H. Lee, and Y. Choi, , “Polymer Dispersed liquid crystal for enhanced light out-coupling efficiency of organic light-emitting diodes”, J. inst. Korean. Electr. electron. eng., 24, 140-146 (2020) http://dx.doi.org/10.7471/ikeee.2020.24.1.140

[131] [2020.2] C. W. Joo, G. Huseynova, J. H. Kim, J. -M. Yoo, Y. H. Kim, N. S. Cho, J. -H. Lee, Y. -H. Kim, and J. Lee*, “Efficient solution processed hybrid white organic light-emitting diodes based on a blue thermally activated delayed fluorescence emitter”, Thin Solid Films, 695, 137753 (2020)

2019

[130] [2019.12] S. Jang, J. Moon, H. Cho, C. W. Joo, J. Lee, J. -W. Shin, S. K. Park, N. S. Cho, S. Y. Yang, and B. -H. Kwon, “Spontaneously formed organic wrinkle structure for top-emitting organic light emitting diodes”, Journal of Industrial and Engineering Chemistry, 80, 490-496 (2019)

[129] [2019.10] J. W. Han†, C. W. Joo†, J. Lee†, Z. R. Ramadhan, J. Hong, S. B. Park, S. Yu, J. -H. Lee, and Y. H. Kim, “Enhancement of Spectral Stability and Outcoupling Efficiency in Organic Light-Emitting Diodes with Breath Figure Patterned Microlens Array Films”, Optical Materials, 96, 109262 (2019) (†equally contributed)

[128] [2019.10] C. W. Joo, G. Huseynova, J. Yifei, J. -M. Yoo, Y. H. Kim, N. S. Cho, J. -H. Lee, Y. -H. Kim, and J. Lee*, “Highly efficient solution-processed blue organic light-emitting diodes based on thermally activated delayed fluorescence emitters with spiroacridine donor”, Journal of Industrial and Engineering Chemistry, 78, 265-270 (2019)

[127] [2019.8] A. Kim, G. Huseynova, J. Lee, and J. -H. Lee,* “Enhancement of Out-Coupling Efficiency of Flexible Organic Light-Emitting Diodes Fabricated on an MLA-Patterned Parylene Substrate”, Org. Electron., 71, 246-250 (2019)

[126] [2019.4] H. Cho, J. Chung, J. Song, J. Lee, H. Lee, J. Lee, J. Moon, S. Yoo, and N. S. Cho,  “Importance of Purcell factor for optimizing structure of organic light-emitting diodes”, Optics Express, 27, 11057 (2019)

[125] [2019.1] J. W. Han†, C. W. Joo†, J. Lee†, D. J. Lee, J. Kang, S. Yu, W. J. Sung, N. S. Cho, and Y. H. Kim*, “Enhanced outcoupling in down-conversion white organic light-emitting diodes using imprinted microlens array films with breath figure patterns”, Science and Technology of Advanced Materials, 20, 35-41 (2019) (†equally contributed)

[124] [2019.1] J. S. Lee, Y. S. Shim, C. H. Park, H. Hwang, C. H. Park, C. W. Joo, Y. W. Park, J. Lee*, and B. K. Ju*, “Enhanced light extraction from organic light-emitting diodes using a quasi-periodic nano-structure”, Nanotechnology, 30, 085302 (2019)

[123] [2019.1] S. Kang, C. W. Joo, B. -H. Ha, J. Kim, J. Lee, B. -G. Yu, N. S. Cho, J. Noh, and J. Moon, “Direct Formation of Random Wrinkle on Emission Surface for Improved Light Out Coupling and Stable Angular Spectrum of White Organic Light Emitting Diodes”, Journal of Luminescence, 205, 66-71 (2019)

2018

[122] [2018.11] H. Cho, C. W. Joo, B. -H. Kwon, N. S. Cho, and J. Lee*, “Non-linear relation between emissive dipole orientation and forward luminous efficiency of top-emitting organic light-emitting diodes”, Org. Electron., 62, 72-76 (2018)

[121] [2018.11] J. -H. Han, J. Moon, D. -H. Cho, J. -W. Shin, H. Y. Chu, J. -I. Lee, N. S. Cho, and J. Lee*, “Luminescence enhancement of OLED lighting panels using a microlens array film”, J. Information Display, 19,179-184 (2018)

[120] [2018.11] J. H. Lee, , S. Kang, N. -M. Park, J. -W. Shin, C. W. Joo, J. Lee, S. -D. Ahn, S. -Y. Kang, and J. Moon, “Porous cellulose paper as a light out coupling medium for organic light-emitting diodes”, J. Information Display, 19, 171-178 (2018)

[119] [2018.9] C. W. Joo, H. Cho, B. -H. Kwon, N. S. Cho, and J. Lee*, “Development of Solution-Processable Blue/hybrid-White Organic Light-Emitting Diodes Based on Thermally Activated Delayed Fluorescence”, Journal of Industrial and Engineering Chemistry, 65, 35-39 (2018)

[118] [2018.8] H. Lee, J. Lee, J. I. Lee, and N. S. Cho*, “Improvement of Colour Gamut in Bottom-Emission Organic Light-Emitting Diodes Using Micro-Cavity Structure Embedded Cathodes”, Electronics, 7, 155 (1-9) (2018)

[117] [2018.8] J. Moon, H. Cho, M. –J. Maeng, K. Choi, Đ. T. Nguyen, J. –H. Han, J. –W. Shin, B. –H. Kwon, J. Lee, S. Cho, J. –I. Lee, Y. Park*, J. -S. Lee*, and N. S. Cho, “Mechanistic understanding of improved performance of graphene cathode inverted organic light emitting diodes by photoemission and impedance spectroscopy”, ACS Applied Materials & Interfaces, 10, 26456-26464 (2018)

[116] [2018.8] Y. W. Lim, O. E. Kwon, S. Mo. Kang, H. Cho, J. Lee, Y. S. Park, N. S. Cho, W. Y. Jin, J. Lee, H. Lee, J. W. Kang, S. Yoo, J. Moon, and B. S. Bae, “Built-In Haze Glass-Fabric Reinforced Siloxane Hybrid Film for Efficient Organic Light-Emitting Diodes (OLEDs)”, Adv. Funct. Mater. , 28, 1802944 (2018)

[115] [2018.8] C. W. Joo, M. Kim, J. H. Kim, W. Cho, J. Lee, D. Lee, H. Cho, H. Lee, S. Park, N. S. Cho, H. Lee, C. -W. Lee, D. Y. Jeon*, and B. -H. Kwon*, “Conductivity Enhancement of Nickel Oxide by Copper Cation Codoping for Hybrid Organic–Inorganic Light-Emitting Diodes”, ACS Photonics, 5, 3389-3398 (2018) c

[114] [2018.8] J. Lee, and Y. H. Kim*, “High Performance ITO-Free White Organic Light-Emitting Diodes Using Highly Conductive PEDOT:PSS Transparent Electrodes”, Synthetic Metals, 242, 99-102 (2018)

[113] [2018.7] H. Lee*, H. Cho, C. W. Byun, J. H. Han, B. H. Kwon, S. Choi, J. Lee, and N. S. Cho,  “Color-tunable organic light-emitting diodes with vertically stacked blue, green, and red colors for lighting and display applications”, Optics Express, 26, 18351-18361 (2018)

[112] [2018.5] K. -H. Han, Y. -S. Park, D. -H. Cho, Y. Han, J. Lee, B. -G. Yu, N. S. Cho, J. -I. Lee, and J. J. Kim*, “Optical analysis of power distribution in top-emitting organic light emitting diodes integrated with nano-lens array using finite difference time domain”, ACS Applied Materials & Interfaces, 10, 18942-18947 (2018)

[111] [2018.1] J. -W. Shin, H. Cho, J. Lee, J. Moon, J. -H. Han, K. Kim, S. Cho, J. -I. Lee, B. -H. Kwon, D. -H. Cho, K. M. Lee, M. Suemitsu, and N. S. Cho*, “Overcoming the efficiency limit of organic light-emitting diodes using ultra-thin and transparent graphene electrode”, Optics Express, 26, 617-626 (2018)

2013 - 2017  (at ETRI)

[110] [2017.11] D. -H. Cho*, O. E. Kwon, Y. -S. Park, B. G. Yu, J. Lee, J. Moon, H. Cho, H. Lee, and N. S. Cho, “Flexible integrated OLED substrates prepared by printing and plating process”, Org. Electron., 50, 170-176 (2017)

[109] [2017.10] H. Lee, M. -J. Maeng, J. -A. Hong, R. Najnin, J. Moon, H. Cho, J. Lee, B. -G. Yu, Y. Park*, and N. S. Cho*, “Highly efficient green, blue, and white phosphorescent inverted organic light-emitting diodes by improving charge injection and balance”, J. Mater. Chem. C., 5, 9911-9919 (2017)

[108] [2017.7] B. S. You, C. W. Joo, H. J. Ha, B. Y. Hwang, B. H. Kang, J. -I. Lee, J. Lee*, and B. K. Ju*, “Micro/Nano-Stripe Organic Light Emitting Diodes fabricated using Photolithography and Laser Interference Lithography” Nanoscience and Nanotechnology Letters, 9, 1028 (2017)

[107] [2017.7] H. Cho, E. Kim, J. Moon, C. W. Joo, E. Ki, S. K, Park, J. Lee, B. -G. Yu, J. -I. Lee, S. Yoo, and N. S. Cho*, “Organic wrinkles embedded in high-index medium as planar internal scattering structures for organic light-emitting diodes ”, Org. Electron., 46, 139-144 (2017)

[106] [2017.7] C. W. Joo, K. Lee, J. Lee, H. Cho, J. -W. Shin, N. S. Cho, and J. Moon*, “Optical and structural approaches for improved luminance distribution and enhanced efficiency of organic light emitting diodes”, J. Luminescence, 187, 433-440 (2017)

[105] [2017.7] Y. K. Seo†, C. W. Joo†, J. Lee†, J. W. Han, D. J. Lee, S. A. N. Entifar, S. Kim, N. S. Cho, and Y. H. Kim*, “Enhanced electrical properties of PEDOT:PSS films using solvent treatment and its application to ITO-free organic light-emitting diodes”, J. Luminescence, 187, 221-226 (2017) (†equally contributed)

[104] [2017.5] H. Cho, H. Lee, J. Lee, W. J. Sung, B. -H. Kwon, C. W. Joo, J. -W. Shin, J. -H. Han, J. Moon, J. -I. Lee, S. Cho, and N. S. Cho*, “Stable angular emission spectra in white organic light-emitting diodes using graphene/PEDOT:PSS composite electrode”, Optics Express, 25, 9734-9742 (2017)

[103] [2017.3] Y. K. Seo†, C. W. Joo†, J. Lee†, N. S. Cho, J. H. Kim, J. Y. Oh, K. T. Lim, S. Yu, M. H. Kang, C. Yun, B. H. Choi, and Y. H. Kim*,  “Efficient ITO-free organic light-emitting diodes comprising PEDOT:PSS transparent electrodes optimized with 2-ethoxyethanol and post treatment”, Org. Electron. 42, 348-354 (2017) (†equally contributed)

[102] [2017.1] Y. -S. Park, K. -H. Han, J. Kim, D. -H. Cho, J. Lee, Y. Han, J. T. Lim, N. S. Cho, B. Yu, J. -I. Lee, and J. -J. Kim, “Crystallization-assisted nano lens array fabrication for highly efficient and color stable organic light emitting diodes”, Nanoscale, 9, 230-236 (2017)

[101] [2017.1] J. Y. Oh, J. H. Ki, Y. K. Seo, C. W. Joo, J. Lee, J. -I. Lee, S. Yu, C. Yun, M. H. Kang, B. H. Choi, and Y. H. Kim*,  “Down-conversion light outcoupling films using imprinted microlens arrays for white organic light-emitting diodes”, Dyes and Pigments, 136, 92, (2017)

[100] [2017.1] H. S. Kim, C. W. Joo, B. Pyo, J. Lee, and M. C. Suh*, “Improvement of viewing angle dependence of the white organic light emitting diodes with tandem structure by introduction of nanoporous polymer films” Org. Electron., 40, 88-96 (2017)

[99] [2016.11] J. T. Lim, J. T. Ahn, J. Lee, J. Moon, S. M. Cho, C. S. Ah, S. C. Lim, and J. -I. Lee, “Reflective Colored Organic Light-emitting Diodes for Light-adaptable Display”, Journal of Nanoscience and Nanotechnology, 16, 11843-11848 (2016)

[98] [2016.10] H. Cho, C. W. Joo, J. Lee, H. Lee, J. Moon, J. -I. Lee, J. Y. Lee, Y. Kang, and N. S. Cho*, “Design and fabrication of two-stack tandem-type all-phosphorescent white organic light-emitting diode for achieving high color rendering index and luminous efficacy”, Optics Express, 24, 24161-24168 (2016)

[97] [2016.9] J. Y. Kim*, J. -Y. Oh, S. Cheon, H. Lee, J. Lee, J. -I. Lee, H. Ryu, S. M. Cho, T. -Y. Kim, C. -S. Ah, Y. -H. Kim, and C. -S. Hwang, “Optimized Ion Diffusion Depth for Maximizing Optical Contrast of Environmentally Friendly PEDOT:PSS Electrochromic Device”, Optical Materials Express, 6, 3127-3134 (2016)

[96] [2016.9] J. H. Kim†, C. W. Joo†, J. Lee†, Y. K. Seo, J. W. Han, J. Y. Oh, S. Yu, J. S. Kim, J. -I. Lee, and Y. H. Kim*,  “Highly conductive PEDOT:PSS films with 1,3-dimethyl-2-imidazolidinone as transparent electrodes for organic light-emitting diodes”, Macromolecular Rapid Comm.,  37, 1427 (2016) (†equally contributed)

[95] [2016.7] K. Lee, J. -W. Shin, J. -H. Park, J. Lee, C. W. Joo, J. -I. Lee, D. -H. Cho, J. T. Lim, M. -C. Oh, B. -K. Ju*, and J. Moon*, “A light scattering layer for internal light extraction of organic light-emitting diodes on silver nanowires”, ACS Applied Materials & Interfaces, 8, 17409-17415 (2016)

[94] [2016.7] H. Cho, J. Lee, J. -I. Lee J. H. Park, Y. Kang*, J. Y. Lee*, and N. S. Cho*, “Phenylimidazole-based homoleptic iridium(III) compounds for blue phosphorescent organic light-emitting diodes with high efficiency and long lifetime”, Org. Electron., 34, 91-96 (2016)

[93] [2016.5] S. B. Lee, K. H. Park, C. W. Joo, J. -I. Lee, J. Lee*, and Y. H. Kim*, “Highly twisted pyrene derivatives for non-doped blue OLEDs” Dyes and Pigments, 128, 19-25 (2016)

[92] [2016.4] B. Pyo, C. W. Joo, H. S. Kim, B. -H. Kwon, J. -I. Lee, J. Lee, and M. C. Suh, “A nanoporous polymer film as a diffuser as well as a light extraction component for top emitting organic light emitting diode with strong microcavity structure” Nanoscale, 8, 8575-8582 (2016)

[91] [2016.4] J. Lee, W. J. Sung, C. W. Joo, H. Cho, N. Cho, G. -W. Lee, D. H. Hwang, and J. -I. Lee, “Simplified Bilayer White Phosphorescent Organic Light-Emitting Diodes” ETRI J., 38, 260-264 (2016)

[90] [2016.3] B. -K. Kang, H. Cho, J. -H. Han, J. -W. Shin, J. Song, S. K. Park, J. Lee, C. W. Joo, E. Kim, S. Yoo, J. -I. Lee, B. -K. Ju, and J. Moon*, “Area-selective external light extraction for metal bus equipped large area transparent organic light-emitting diodes”, Optics Express, 24, 5356-5365 (2016)

[89] [2016.2] C. W. Joo, J. -W. Shin, J. Moon, J. W. Huh, D. -H. Cho, J. Lee, S. K. Park, N. S. Cho, J. -H. Han, H. Y. Chu, and J. -I. Lee*, “Highly efficient white transparent organic light emitting diodes with nano-structured substrate” Organic Electronics, 29, 72-78 (2016)

[88] [2016.2] K. Lee,  J. Lee, E. Kim, J. -I. Lee, D. -H. Cho, J. T. Lim, C. W. Joo, J. Y. Kim, S. Yoo, B. -K. Ju*, and J. Moon*, “Simultaneously enhanced device efficiency, stabilized chromaticity of organic light emitting diodes with lambertian emission characteristic by random convex lenses”, Nanotechnology, 27, 075202 (2016)

[87] [2016.1] J. W. Shin, J. Moon, D. -H. Cho, C. W. Joo, S. K. Park, J. Lee, J. -H. Han, N. S. Cho, H. Cho, and J. -I. Lee*, “White Organic Light Emitting Diodes with a Random Scattering Layer for an Internal Light Extraction” ECS JSST., 5, R3126-R3130 (2016)

[86] [2015.12] J. -H. Lee, and J. Lee*, “Efficient Green Phosphorescent OLEDs with Hexaazatrinaphthylene Derivatives as a Hole Injection Layer” Appl. Chem. Eng., 26, 725-729 (2015) http://dx.doi.org/10.14478/ace.2015.1108

[85] [2015.11] J. Lee*, T. -W. Koh, H. Cho, S. Hofmann, S. Reineke, J. -H. Lee, J. -I. Lee, S. Yoo, K. Leo, and M. C. Gather, “Color temperature tuning of white organic light-emitting diodes via spatial control of micro-cavity effects based on thin metal strips” Organic Electronics, 26, 334-339 (2015)

[84] [2015.10] J. Chung, H. Cho, T. -W. Koh, J. Lee, E. Kim, J. Lee, J. -I. Lee, and S. Yoo*, “Towards highly efficient and highly transparent OLEDs: advanced considerations for emission zone coupled with capping layer design”, Optics Express , 23, 27306-27314 (2015)

[83] [2015.10] J. Moon*, E. Kim, S. K. Park, K. Lee, J. -W. Shin, D. -H. Cho, J. Lee, N. S. Cho, J. H. Han, B. -G. Yu, S. Yoo, and J. -I. Lee, “Organic wrinkles for energy efficient organic light emitting diodes” Organic Electronics, 26, 273 (2015)

[82] [2015.9] C. W. Joo, J. Moon*, J. -H. Han, J. W. Huh, D. -H. Cho, J. Lee, N. S. Cho, and J. -I. Lee, “White transparent organic light emitting diodes with high top and bottom color rendering indices” J. Inf. Disp., 16, 161-169 (2015)

[81] [2015.6] J. Lee*, T. -W. Koh, H. Cho, T. Schwab, J. -H. Lee, S. Hofmann, J. -I. Lee, S. Yoo, K. Leo, and M. C. Gather, “Transparent organic light-emitting diodes with different bi-directional emission colors using color-conversion capping layers” J. Luminescence, 162, 180-184 (2015)

[80] [2015.3] E. Kim, H. Cho, K. Kim, T. -W. Koh, J. Chung, J. Lee, Y. K. Park, S. Yoo, “A Facile Route to Efficient, Low-Cost Flexible Organic Light-Emitting Diodes: Utilizing the High Refractive Index and Built-In Scattering Properties of Industrial-Grade PEN Substrates”, Adv. Mater. 27, 1624-1631 (2015)

[79] [2015.1] S. -H. Hahn,  J. Lee, H. Y. Chu, J. -I. Lee, Y. J. Lee, J. Hwang, S. C. Shin*, and Y. -H. Kim “New Blue Emitting Material with Asymmetric Limb Structure”, J. Nanosci. Nanotechnol., 15, 355-359 (2014)

[78] [2015.1] C. W. Joo, J. Lee, W. J. Sung, J. Moon, N. S. Cho, H. Y. Chu, and J. -I. Lee* “ITO/metal/ITO anode for efficient transparent white organic light-emitting diodes”, Jpn.J.Appl.Phys., 54, 02BC04 (2015)

[77] [2015.1] J. Y. Kim*, C. W. Joo, J. Lee, N. S. Baek, J. -Y. Oh, H. Y. Chu, and J. -I. Lee* “Save Energy on OLED lighting by simple yet powerful technique”, RSC Adv. 5, 8415-8421 (2015)

[76] [2014.12] W. J. Sung, J. Lee*, C. W. Joo, N. S. Cho, H. Lee, G. -W. Lee*, and J. -I. Lee “Colored semi-transparent organic light-emitting diodes”, J. Inf. Disp. , 15,177-184 (2014)

[75] [2014.11] R. Kim, X. Liu, S. -G. Lee, J. Lee*, and Y. -H. Kim “New limb-structured blue light-emitting material comprising an anthracene core with bulky substituents at its 2, 3, 9, and 10-positions”, Syn. Metals., 197, 68-74(2014)

[74] [2014.10] D. -H. Cho*, J. -W. Shin, J. Moon, S. K. Park, C. W. Joo, N. S. Cho, J. W. Huh, J. -H. Han, J. Lee, H. Y. Chu, and J. -I. Lee “Surface Control of Planarization Layer on Embossed Glass for Light Extraction in OLEDs”, ETRI J. , 39, 847-855 (2014)

[73] [2014.10] D. -H. Cho*, J. -W. Shin, C. W. Joo, J. Lee, S. K. Park, J. Moon, N. S. Cho, J. Joo, H. Y. Chu, and J. -I. Lee “Light diffusing effects of nano and microstructures on OLED with microcavity”, Optics Express, 22, A1507 (2014)

[72] [2014.8] K. Lee, J. Lee, J. Y. Kim, C. W. Joo, D. -H. Cho, J. -I. Lee, H. Y. Chu, J. Moon, and B. -K. Ju*, “Organic light emitting diode with uniform luminance distribution and enhanced efficiency via random embossing structure”, ECS Solid State Letters ,3, R56-R59 (2014)

[71] [2014.8] J. W. Huh, J. -W. Shin, D. -H. Cho, J. Moon, C. W. Joo, S. K. Park, J. Hwang, N. S. Cho, J. Lee, J. -H. Han, H. Y. Chu, and J. -I. Lee* “A randomly nano-structured scattering layer for transparent organic light emitting diodes”, Nanoscale 6, 10727-10733 (2014)

[70] [2014.6] J. -W. Shin, D. -H. Cho, J. Moon, C. W. Joo, J. Lee, J. W. Huh, S. K. Park, J. -H. Han, N. S. Cho, J. Hwang, H. Y. Chu, and J. -I. Lee* “Random nanostructure scattering layer for suppression of microcavity effect and light extraction in OLEDs”, Optics Letters, 39, 3527-3530 (2014)

[69] [2014.5] Y. H. Kim†, J. Lee†, W. M. Kim, S. Hofmann, L. M. -Meskamp, and K. Leo “We Want Our Photons Back: Simple Nanostructures for White Organic Light-Emitting Diode Outcoupling”, Adv. Func. Mater, 24, 2553-2559 (2014) († equally contributed)

[68] [2014.5] H. -W. Chang, Y. H. Kim, J. Lee, S. Hofmann, B. Lüssem, Lars Mueller-Meskamp, Malte C. Gather, K. Leo*, and C. C. -Wu*, “Color-stable, ITO-free white organic light-emitting diodes with enhanced efficiency using solution-processed transparent electrodes and optical outcoupling layers” Organic Electronics, 15, 1028-1034 (2014)

[67] [2014.3] J. Lee*, J. -W. Lee, N. S. Cho, J. Hwang, C. W. Joo, W. J. Sung, H. Y. Chu, and J. -I. Lee*, “Highly Efficient all phosphorescent white organic light-emitting diodes for solid state lighting applications”, Current Applied Physics, 14, S84-S87 (2014)

[66] [2014.1] J. -W. Shin, D. -H. Cho, J. Moon, C. W. Joo, S. K. Park, J. Lee, J. -H. Han, N. S. Cho, J. Hwang, J. W. Huh, H. Y. Chu, and J. -I. Lee* “Random nano-structures as light extraction functionals for organic light-emitting diode applications”, Organic Electronics, 15, 196 (2014)

[65] [2014.1] C. W. Joo, J. Moon, J. -H. Han, J. W. Huh, J. Lee, N. S. Cho, J. Hwang, H. Y. Chu, and J. -I. Lee* “Color temperature tunable white organic light-emitting diodes”, Organic Electronics, 15. 189 (2014)

[64] [2014.1] J. -H. Lee*, J. Lee, Y. H. Kim, C. Yun, B. Lüssem, and K. Leo “Effect of trap states on the electrical doping of organic semiconductors”, Organic Electronics, 15, 16-21 (2013)

[63] [2013.11] H. -W. Chang†, J. Lee†, T. -W. Koh, S. Hofmann, B. Lüssem, S. Yoo*, C. C. -Wu*, K. Leo*, and M. C. Gather*, “Bi-directional organic light-emitting diodes with nanoparticle-enhanced light outcoupling”, Laser Photonics Rev. 7, 1079-1087(2013) († equally contributed)

[62] [2013.11] J. Lee, H. Cho, T. -W. Koh, C. Yun, S. Hofmann, J. -H. Lee, Y. H. Kim, B. Lüssem, J. -I. Lee, S. Yoo*, K. Leo, and M. C. Gather “Enhanced and balanced efficiency of white bidirectional organic light-emitting diodes”, Optics Express, 21, 28040-28047 (2013)

[61] [2013.11] J. Moon, J. W. Huh, C. W. Joo, J. -H. Han, J. Lee, H. Y. Chu, and J. -I. Lee, “Transparent organic LEDs for new lighting applications”, SPIE Newsroom, DOI: 10.1117/2.1201310.005197 (2013)

[60] [2013.10] J. Lee*, H. Cho, T. -W. Koh, S. Hofmann, Y. H. Kim, C. Yun, T. Schwab, S. Reineke, B. Lüssem, J. -I. Lee, S. Yoo*, K. Leo, and M. C. Gather “Straight-forward control of the degree of micro-cavity effects in organic light-emitting diodes based on a thin striped metal layer”, Organic Electronics, 14, 2444-2450 (2013)

[59] [2013.8] Y. H. Kim*, J. Lee*, S. Hofmann, M. C. Gather, L. M. -Meskamp, and K. Leo “Achieving high efficiency and improved stability in ITO-free transparent organic light-emitting diodes with conductive polymer electrodes”, Adv. Func. Mater. 23, 3763-3769 (2013)

[58] [2013.8] Y. H. Kim, J. S. Ki, W. M. Kim*, T.-Y. Seong, J. Lee, L. Müller-Meskamp*, and K. Leo, “Realizing the Potential of ZnO with alternative non-metal co-dopants as electrode for small molecule optoelectronic devices”, Adv. Func. Mater. 23, 3645-3652 (2013)

[57] [2013.8] J. W. Huh, J. Moon, J. W. Lee, J. Lee, D. –H. Cho, J. –W. Shin, J. –H. Han, J. Hwang, C. W. Joo, J. -I. Lee* and H. Y. Chu “Organic/Metal hybrid cathode for transparent organic light emitting diodes”, Organic Electronics, 14, 2039-2045 (2013)

[56] [2013.7] C. Yun*, G. Xie, C. Murawski, J. Lee, F. Ventsch, K. Leo and M. C. Gather “Understanding the influence of doping in efficient phosphorescent organic light-emitting diodes with an organic p-i-n homojunction”, Organic Electronics, 14, 1695-1703 (2013)

[55] [2013.6] J. -W. Lee, J. Lee, H. Y. Chu, and J. -I. Lee*, “Controlling the optical efficiency of the transparent organic light-emitting diode using capping layers”, Journal of Information Display, 14, 57-60 (2013)

[54] [2013.5] H. -W. Chang, J. Lee, S. Hofmann, Y. H. Kim, L. Müller-Meskamp, B. Lüssem, C. C. -Wu*, K. Leo*, and M. C. Gather, “Nano-particle based scattering layers for optical efficiency enhancement of organic light-emitting diodes and organic solar cells”, J. Appl. Phys., 113, 204502 (2013)

2011 - 2012 (at IAPP of TU Dresden)

[53] [2012.12] C. Yun*, J. Lee, J. -H. Lee, B. Lüssem, F. Ventsch, K. Leo, and M. C. Gather “Influence of phosphorescent dopants in organic light-emitting diodes with an organic homojunction”, Appl. Phys. Lett. , 101, 243303 (2012)

[52] [2012.10] J. -I. Lee, J. Lee, J. -W. Lee, D. -H. Cho, J. -W. Shin, J. -H. Han, and H. Y. Chu*, “Dependence of electron injection and transport materials on light-emitting characteristics of blue phosphorescent organic light-emitting diodes”, ETRI. J., 34, 690 (2012)

[51] [2012.9] D. -H. Hwang*, S. Lee, J. -H. Kim, and J. Lee, “Synthesis and characterization of a solution processible deep blue light-emitting molecule composed of fluorene and pyrene units”, Current Applied Physics, 12, e33-e37 (2012)

[50] [2012.9] F. Xu, J. -Y. Kwon, J. -H. Kim, H. U. Kim, J. M. Lim, H. Cho, C. Lee, J. Lee, J. -I. Lee, and D. -H. Hwang, “Highly efficient yellow and white phosphorescent organic light-emitting diodes using a benzothiazole-liganded new iridium complex”, Synthetic Metals, 162, 1421-1428 (2012)

[49] [2012.6] J. Lee*, S. Hofmann, M. Furno, Y. H. Kim, J. -I. Lee, H. Y. Chu, B. Lüssem, and K. Leo “Combined effects of microcavity and dielectric capping layer on bidirectional organic light-emitting diodes”, Optics Letters, 37 , 2007-2009 (2012)

[48] [2012.05] S. -O. Kim, K. Thangaraju, S. Jung, W. Lu, S. M. Park, J. Lee, J. -I. Lee, H. Y. Chu, Y. -H. Kim, and S. -K. Kwon, “Highly Efficient Phosphorescent Organic Light Emitting Diodes Based on Iridium(III) Complex with Bulky Substituent Spacers” J. Nanosci. Nanotechnol.12, 4375-4378(2012)

[47] [2012.04] D. -H. Cho, J. -W. Shin, J.-I. Lee, J. Lee, J.-H. Han, and H. Y. Chu, “Light Extraction from Organic Light Emitting Diodes Using Chemically Etched Glass Substrates” J. Nanosci. Nanotechnol.12, 3447-3450 (2012)

[46] [2012.1] H. Park, J. Lee, I. Kang, H. Y. Chu, J. -I. Lee, S. K. Kwon* and Y. H. Kim* “Highly Rigid and Twisted Anthracene Derivatives: A Strategy for Deep Blue OLED Materials with Theoretical Limit Efficiency”, J. Mater. Chem. 22, 2695 (2012)

[45] [2011.8] J. Lee*, S. Hofmann, M. Thomschke, M. Furno, Y. H. Kim, B. Lüssem, and K. Leo “Highly efficient bi-directional organic light-emitting diodes by strong micro-cavity effects”, Appl. Phys. Lett. 99, 073303 (2011)

[44] [2011.8] J. Lee*, S. Hofmann, M. Thomschke, M. Furno, Y. H. Kim, B. Lüssem, and K. Leo “Increased and balanced light emission of transparent organic light-emitting diodes by enhanced microcavity effects”, Optics Letters, 36, 2931-2933 (2011)

[43] [2011.7] K. Thangaraju, J. Lee, J. -I. Lee, H. Y. Chu, S. -O. Kim, M. -G. Shin, Y. -H. Kim* and S. -K. Kwon*, “4,4′,4″-Tris(N-carbazolyl)-triphenylamine interlayer in highly efficient phosphorescent organic light emitting diodes based on tris[4-methyl-2-2(4′-trimethylsilylphenyl) pyridine]iridium complex ”, Thin Solid Films, 519, 6073-6076 (2011)

[42] [2011.8] J. Lee*, S. Hofmann, M. Furno, M. Thomschke, Y. H. Kim, B. Lüssem, and K. Leo “Systematic investigation of transparent organic light-emitting diodes depending on top metal electrode thickness”, Organic Electronics, 12, 1383-1388 (2011)

[41] [2011.05] K. Lee, J. -H. Park, M. -J. Park, J. Lee, H. -K. Shim, “Synthesis of new fluorene-based copolymers containing an anthracene derivative and their applications in polymeric light-emitting diodes”, J. Nanosci. Nanotechnol., 11, 4648-4657 (2011)

[40] [2011.4] J. Lee*, S. Hofmann, M. Furno, M. Thomschke, Y. H. Kim, B. Lüssem, and K. Leo “Influence of organic capping layers on the performance of transparent organic light-emitting diodes”, Optics Letters, 36, 1443-1445 (2011)

[39] [2011.2] J. Lee, J. -I. Lee, J. -W. Lee, and H. Y. Chu*, “Interlayer engineering with different host material properties in blue phosphorescent organic light-emitting diodes”, ETRI. J. 33, 32 -38 (2011)

2008 - 2010 (at ETRI)

[38] [2010.10] D. Mi, H. U. Kim, S. Y. Lee, J. Lee, S. -C. Hong, S. Pyo, and D. -H. Hwang*, "Synthesis and Light-Emitting Properties of New Polyfluorene Copolymers Containing 2,3-Diphenylfumaronitrile", Mol. Cryst. Liq. Cryst. , 530, 64-73 (2010)

[37] [2010.8] J. -W. Shin, D. -H. Cho, J. -I. Lee, J. Lee, J. -W. Lee, J. -H. Han, and H. Y. Chu, “The Fabrication and Characterization of Organic Light-Emitting Diodes by Using Laser Patterned Anode”, Journal of Nanoelectronics and Optoelectronics, 5, 161-164 (2010)

[36] [2010.7] J. Lee, J. -I. Lee, J. -W. Lee, and H. Y. Chu*, “Effects of charge balance on device performances in deep blue phosphorescent organic light-emitting diodes”, Organic Electronics, 11, 1159-1164 (2010)

[35] [2010.2] M. -J. Park, J. Kwak, J. Lee, I. H. Jung, H. Kong, C. Lee, D. -H. Hwang, and H. -K. Shim, “Single Chain White Light Emitting Polyfluorene Copolymers Containing Iridium Complex Coordinated on the Main Chain”, Macromolecules, 43, 1379-1386 (2010)

[34] [2010.1] M. -J. Park, J. Lee, I. H. Jung, J. -H. Park, H. Kong, D. -H. Hwang*, and H. -K. Shim*, “Synthesis, Characterization, and Electroluminescence of Polyfluorene Copolymers Containing T-Shaped Isophorone Derivatives”, J. Polym. Sci. Part A, 48, 82-90 (2010)

[33] [2009.12] J. Lee, J. -I. Lee, J. Y. Lee, and H. Y. Chu*, “Improved performance of blue phosphorescent organic light-emitting diodes with a mixed host system”, Appl. Phys. Lett., 95, 253304-1-3 (2009)

[32] [2009.12] J. Lee, J. -I. Lee, and H. Y. Chu*, “Improved performances of white phosphorescent organic light-emitting diodes through mixed host structure”, ETRI. J., 31, 642-646 (2009)

[31] [2009.12] J. -H. Eom, D. Mi, M. -J. Park, H. -J. Cho, J. Lee, J. -I. Lee, H. Y. Chu, H. -K. Shim, and D. -H. Hwang " Synthesis and Properties of a Polyhedral Oligomeric Silsesquioxane-Based New Light-Emitting Nanoparticle ", J. Nanosci. Nanotechnol., 8, 7029-7033 (2009)

[30] [2009.11] J. Lee, J. -I. Lee, J. Y. Lee, and H. Y. Chu*, “Stable efficiency roll-off in blue phosphorescent organic light-emitting diodes by host layer engineering”, Organic Electronics, 10, 1529-1533 (2009)

[29] [2009.10] J. Lee, J. -I. Lee, J. Y. Lee, and H. Y. Chu*, “High efficiency deep blue phosphorescent organic light-emitting diodes using a double emissive layer structure”, Synthetic Metals, 159, 1956-1959 (2009)

[28] [2009.9] J. -H. Choi, C. -H. Jung, J. Y. Kwon, H. -J. Cho, J. Lee, J. -I. Lee, H. Y. Chu, and D. -H. Hwang, “Solution processable organic electro-phosphorescent iridium complex based on a benzothiazole derivative”, Synthetic Metals, 159, 1517-1521 (2009)

[27] [2009.8] M. -J. Park, J. Lee, J. Kwak, I. H. Jung, J. -H. Park, H. Kong, C. Lee, D. -H. Hwang*, and H. -K. Shim*, “Synthesis and Electroluminescence of New Polyfluorene Copolymers Containing Iridium Complex Coordinated on the Main Chain”, Macromolecules, 42, 5551-5557 (2009)

[26] [2009.7] J. Lee, J. -I. Lee, and H. Y. Chu*, “Investigation of double emissive layer structures on phosphorescent blue organic light-emitting diodes”, Synthetic Metals, 159, 1460-1463 (2009)

[25] [2009.6] J. Lee, J. -I. Lee, J. Lee, J. Y. Lee, D. M. Kang, W. Yuan, S. -K. Kwon, and H. Y. Chu*, “Efficient White Phosphorescent Organic Light-emitting Diodes for Solid-State Lighting Applications Using an Exciton-confining Emissive-Layer Structure”, Journal of Information Display, 10, 92-95 (2009)

[24] [2009.6] J. Lee, J. -I. Lee, and H. Y. Chu*, "Efficient and color stable phosphorescent white organic light emitting devices based on an ultra wide band-gap host", Synthetic Metals, 159, 991-994 (2009)

[23] [2009.5] J. Lee, J. -I. Lee, J. Y. Lee, and H. Y. Chu*, “Enhanced efficiency and reduced roll-off in blue and white phosphorescent organic light-emitting diodes with a mixed host structure”, Appl. Phys. Lett., 94, 193305-1-3 (2009)

[22] [2009.2] H. J. Cho, M. -J. Park, D.-H. Hwang, T. Ahn, J. -W. Hong, J. Lee, N. S. Cho, and H.-K. Shim, "Synthesis and Characterization of Fluorene-Based Copolymers Containing Siloxane or Distilbene Moieties on Their Main Chain", J. Polym. Sci. Part A, 47, 1595-1608 (2009)

[21] [2008.11] M. -J. Park, J. Lee, I. H. Jung, J. -H. Park, D. -H. Hwang*, and H. -K. Shim*, "Synthesis, Characterization and Electroluminescence of Polyfluorene Copolymers with Phenothiazine derivative; Their applications to high Efficiency Red and White PLED", Macromolecules, 41, 9643-9649 (2008)

[20] [2008.12] J. Y. Park, J. Lee, and J. -B. Kim*, "Photo-patternable electroluminescent blends of polyfluorene derivatives and charge transporting molecules", Eur. Polym. J., 44, 3981-3986 (2008)

[19] [2008.10] J. Lee*, H. Y. Chu, J. -I. Lee, K. -I. Song, and S. J. Lee, "Improvements of Phosphorescent White OLEDs Performance for Lighting Application ", J. Nanosci. Nanotechnol. 8, 5185-5187 (2008)

[18] [2008.10] J. -I. Lee, H. Y. Chu, J. Lee, and S. M. Chung, "Triplet harvesting for Efficient White Organic Light Emitting Diodes", J. Nanosci. Nanotechnol. 8, 5602-5605 (2008)

[17] [2008.10] I. H. Jung, Y. K. Jung, J. Lee, J. -H. Park, H. Y. Woo, J. -I. Lee, H. Y. Chu, and H. -K. Shim, "Synthesis and Electroluminescent Properties of Fluorene-based Copolymers Containing Electron-Withdrawing Thiazole Derivatives", J. Polym. Sci. Part A. 46, 7148-7161 (2008)

[16] [2008.10] J. -I. Lee, H. Y. Chu, J. Lee, and S. M. Chung, "Exciton confinement and triplet harvesting for efficient white organic light emitting diodes", Mol. Cryst. Liq. Cryst. 491, 1-8 (2008)

[15] [2008.5] J. Lee, J. -I. Lee, K. -I. Song, S. J. Lee, and H. Y. Chu*, " Effects of interlayers on phosphorescent blue organic light-emitting diodes”, Appl. Phys. Lett. 92, 203305-1-3 (2008)

[14] [2008.5] M. -J. Park, J. Lee, J. -H. Park, S. K. Lee, J. -I. Lee, H. -Y. Chu, D. -H. Hwang*, and H. -K. Shim*, "Synthesis and Electroluminescence of new Polyfluorene Copolymers with Phenothiazine Derivative; Their Application in White-Light-Emitting Diodes", Macromolecules, 41, 3063-3070 (2008)

[13] [2008.3] J. Lee, J. -I. Lee, K. -I. Song, S. J. Lee, and H. Y. Chu*, " Influence of doping profile on the efficiency of blue phosphorescent organic light-emitting diodes", Appl. Phys. Lett. 92, 133304-1-3 (2008)

[12] [2008.1] H. J. Cho, D.-H. Hwang, J.-D. Lee, N.-S. Cho, S.-K. Lee, J. Lee, Y.K. Jung, and H.-K. Shim, "Synthesis and Characterization of Novel Germanium-Containing Poly(p-phenylenevinylene) Derivatives", J. Polym. Sci. Part A, 46, 979-988 (2008)

2004 - 2007 (at KAIST)

[11] [2007.9] S.K. Lee, B. -J. Jung, T. Ahn, Y. K. Jung, J.-I. Lee, I.-N. Kang, J. Lee, J.-H. Park, and H.-K. Shim, "White Electroluminescence from a Single Polyfluorene Containing bis-DCM units", J. Polym. Sci. Part A, l 45, 3380-3390 (2007)

[10] [2007.6] J.-H. Park, D. S. Chung, J. -W. Park., T. Ahn, H. Kong, Y. K. Jung, J. Lee, M. H. Yi, C. E. Park, S.-K. Kwon, and H. -K. Shim, “Soluble and Easily Crystallized Anthracene Derivatives: Precursors of Solution-Processable Semiconducting Molecules”, Organic Letter, 9, 2597-2576 (2007)

[9] [2007.4] S. K. Lee, T. Ahn, N. S. Cho, J. –I. Lee, Y. K. Jung, J. Lee, and H. K. Shim, "Synthesis of New Polyfluorene Copolymers with a Comonomer Containing Triphenylamine units and Its Applications in White Light-Emitting Diodes" J. Polym. Sci. Part A, 45, 1199-1209 (2007)

[8] [2007.4] J. Lee, J. -I. Lee, M.-J. Park, Y. K. Jung, H. J Cho, D.-H. Hwang, S.-K. Lee, J.-H. Park, J. Hong, H. Y. Chu, and H. -K. Shim*, “Phenothiazine-S,S-dioxide and Fluorene based Light-Emitting Polymers : Introduction of e-deficient S,S-dioxide into e-rich phenothiazine”, J. Polym. Sci. Part A, 45, 1236-1246 (2007)

[7] [2006.7] J. M. Kang, H.J. Cho, J. Lee, J. Lee, S.-K. Lee, N. S. Cho, D.-H. Hwang, and H.-K. Shim, "The Highly Bright and Efficient Electroluminescence of New PPV Derivatives Containing Polyhedral Oligomeric Silsesquioxanes (POSSs) and of Their Blends", Macromolecules, 39, 4999-5008 (2006)

[6] [2006.6] H.J. Cho, D.-H. Hwang, Y.-K. Jung, S.-K. Lee, J.-H. Park, J. Lee, and H.-K. Shim, “Electroluminescent Polyhedral Oligomeric Silsesquioxane-Based Nanoparticle”, Chem. Mater. 18, 3780-3787 (2006)

[5] [2006.5] J. Lee, H. J. Cho, N. S. Cho, D. H. Hwang, J. M. Kang, E. Lim, J. I. Lee, and H. -K. Shim*, "Enhanced Efficiency of Polyfluorene Derivatives: Organic-Inorganic Hybrid Polymer Light-Emitting Diodes ", J. Polym. Sci. Part A, 44, 2943-2954 (2006)

[4] [2006.3] J. Lee, H. J. Cho, N. S. Cho, D. H. Hwang, and H. -K. Shim*, "Synthesis of Polyhedral Oligomeric Silsesquioxane-Functionalized Polyfluorenes: Hybrid Organic-Inorganic pi-Conjugated Polymers", Synthetic Metals, 156, 590-596 (2006)

[3] [2006.1] N. S. Cho, J. H. Park, J. Lee, S. K. Lee, H. -K. Shim, M. J. Park, D. H. Hwang, and B. J. Jung, "Saturated Efficient Red Light-Emitting Fluorene-Based Alternating Polymers Containing Phenothiazine Derivatives", Macromolecules, 39, 177-183 (2006)

[2] [2005.10] J. Lee, N. S. Cho, J. Lee, S. K. Lee, and H. -K. Shim*, "Emission Color Tuning of New Fluorene-based Alternating Copolymers Containing Low Band Gap Dyes", Synthetic Metals, 155, 73-79 (2005)

[1] [2004.11] J. Lee, H. J. Cho, B. J. Jung, N. S. Cho, and H. -K. Shim*, "Stabilized Blue Luminescent Polyfluorene: Introducing Polyhedral Oligomeric Silsesquioxane”, Macromolecules., 37, 8523-8529 (2004)