SCIE Papers
2023
61. Hanyung Jung, Soobin Sim, and Hyunkoo Lee (Corresponding author), “Biometric authentication security enhancement under quantum dot light-emitting diode display via fingerprint imaging and temperature sensing,” Scientific Reports 13, 794 (2023) (Jan. 16, 2023). https://doi.org/10.1038/s41598-023-28162-6
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2022
60. Gunel Huseynova, Jae-Hyun Lee, Akpeko Gasonoo, Hyunkoo Lee, Yong Hyun Kim, and Jonghee Lee, “Efficient Tandem Organic Light-Emitting Diode with Fluorinated Hexaazatrinaphthylene Charge Generation Layer,” Journal of Information Display, https://doi.org/10.1080/15980316.2022.2089751 (June 17, 2022).
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59. Soobin Sim, Jinha Ryu, Dae Hyun Ahn, Hyunsu Cho, Chan-mo Kang, Jin-Wook Shin, Chul Woong Joo, Gi Heon Kim, Chun-Won Byun, Nam Sung Cho, Hyoc Min Youn, Young Jae An, Jin Sun Kim, Hanyung Jung, and Hyunkoo Lee (Corresponding author), “Color gamut change by optical crosstalk in high-resolution organic light-emitting diode microdisplays,” Optics Express 30(13), 24155-24165 (2022) (Jun. 17, 2022). https://doi.org/10.1364/OE.463095
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58. Chan-mo Kang and Hyunkoo Lee (Corresponding author), “Recent progress of organic light-emitting diode microdisplays for augmented reality/virtual reality applications,” Journal of Information Display 23(1), 19-32 (2022) (Mar. 31, 2022). https://doi.org/10.1080/15980316.2021.1917461
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57. Taesoo Lee, Byong Jae Kim, Hyunkoo Lee, Donghyo Hahm, Wan Ki Bae, Jaehoon Lim, Jeonghun Kwak, “Bright and Stable Quantum Dot Light-Emitting Diodes,” Advanced Materials 34(4), 2106279 (Jan. 27, 2022). https://doi.org/10.1002/adma.202106276
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56. Seong Ji Lee, Chan-mo Kang, Jin-Wook Shin, Dae Hyun Ahn, Chul Woong Joo, Hyunsu Cho, Nam Sung Cho, Hyoc Min Youn, Young Jae An, Jin Sun Kim, Jonghee Lee (Corresponding author), Hyunkoo Lee (Corresponding author), “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) (Jan. 25, 2022).
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55. Hanyung Jung, Hyun-Kab Kim, Jinhyuk Park (Corresponding author), Hyunkoo Lee (Corresponding author), “Steady-state stability improvement of reduced graphene oxide thermo behavior via polymer film encapsulation,” Diamond and Related Materials (ISSN: 0925-9635) 121, 108792(1)-108237(7) (2022) (Jan., 2022).
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2021
54. Hyunsu Cho, Chul Woong Joo, Sukyung Choi, Chan-mo Kang, Gi Heon Kim, Jin-Wook Shin, Byoung-Hwa Kwon, Hyunkoo Lee, Chun-Won Byun, Nam Sung Cho, “Design of white tandem organic light-emitting diodes for full-color microdisplay with high current efficiency and high color gamut,” ETRI Journal 43(6), 1093-1102 (2021) (Nov. 11, 2021).
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53. Hanyung Jung and Hyunkoo Lee (Corresponding author), “Semi-transparent reduced graphene oxide temperature sensor on organic light-emitting diodes for fingerprint liveness detection of smartphone authentication,” Sensors and Actuators A: Physical 331, 112876(1)-112876(8) (2021) (Nov. 1, 2021).
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52. Donggu Lee, Jaehoon Lim, Myeongjin Park, Chan-Mo Kang, and Hyunkoo Lee (Corresponding author), “Device Characteristics of Inverted Red Colloidal Quantum-Dot Light-Emitting Diodes Depending on Hole Transport Layers,” Science of Advanced Materials 13(5), 917-921 (May. 1, 2021)
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51. Chan-mo Kang, Jin-Wook Shin, Sukyung Choi, Byoung-Hwa Kwon, Hyunsu Cho, Nam Sung Cho, Jeong-Ik Lee, Hyunkoo Lee (Corresponding author), Jeong Hwan Lee, Hokwon Kim, Ara Cho, Sang Hyun Park, Minseok Kim, Soon-gi Park, Youngjoon Kim, Jeonghun Ha, Jaehyeok Kim, Sang Tae Kim, Jong Soo Lee, Seung No Lee, Yu Bin Im and Chun-Won Byun (Corresponding author), “High aspect ratio microdisplay and thin optical component for glass-like AR devices,” Journal of Information Display https://doi.org/10.1080/15980316.2021.1902405 (IMID2020 KIDS Awards Gold)
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50. Hanyung Jung, Hyunkoo Lee (Corresponding author), and Junghoon Lee (Corresponding author), “Combinational reduction of graphene oxide via coherent and incoherent light irradiation for flexible supercapacitors,” Diamond and Related Materials (ISSN: 0925-9635) (ISSN: 0925-9635) 113, 108237(1)-108237(9) (2021) (Mar, 2021).
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2020
49. Seunghyun Rhee, Jun Hyuk Chang, Donghyo Hahm, Byeong Guk Jeong, Jaeyoul Kim, Hyunkoo Lee, Jaehoon Lim, Euyheon Hwang, Jeonghun Kwak, and Wan Ki Bae, “Tailoring the Electronic Landscape of Quantum Dot Light-Emitting Diodes for High Brightness and Stable Operation,” ACS Nano (ISSN: 1936-0851) 14, 17496-17504 (2020) (Nov 30, 2020).
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48. Hyunko Lee, “Phosphorescent white organic light-emitting diodes with stable white color depending on luminance,” Current Applied Physics (ISSN: 1567-1739) 21, 116-120 (2021) (Oct 31, 2020).
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47. Byoung-Hwa Kwon, Hyunkoo Lee, Moohyun Kim, Chul Woong Joo, Hyunsu Cho, Jong Tae Lim, Yeon Sik Jung, “A systematic study of the interactions in the top electrode/capping layer/thin film encapsulation of transparent OLEDs,” Journal of Industrial and Engineering Chemistry, 93, 237-244 (2021) (Oct 8, 2020).
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46. Hyunsu Cho, Chan-mo Kang, Byoung-Hwa Kwon, Sukyung Choi, Chul Woong Joo, Hyunkoo Lee, “Luminance compensation in top-emitting organic light-emitting diodes with high color purity as quantum dots using horizontal dipole orientation,” Organic Electronics 87, 105945(1-7) (Sep 4, 2020).
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45. Hyunko Lee, “Investigation of charge-transport properties in polymer/fullerene blends using transient electroluminescence technique,” Japanese Journal of Applied Physics 59, 081004(1-5) (July 31, 2020).
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44. Sukyung Choi, Chan-mo Kang, Chun-Won Byun, Hyunsu Cho, Byoung-Hwa Kwon, Jun-Han Han, Jong-Heon Yang, Jin-Wook Shin, Chi-Sun Hwang, Nam Sung Cho, Kang Me Lee, Hee-Ok Kim, Eungjun Kim, Seunghyup Yoo, and Hyunkoo Lee(corresponding author), “Thin-film transistor-driven vertically stacked full-color organic light-emitting diodes for high-resolution active-matrix displays,” Nature Communications(ISSN: 2041-1723) 11, 2732(1-9) (Jun. 1, 2020).
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43. Myeongjin Park, Jeongkyun Roh, Jaehoon Lim, Hyunkoo Lee, and Donggu Lee, “Double Metal Oxide Electron Transport Layers for Colloidal Quantum Dot Light-Emitting Diodes,” Nanomaterials(ISSN: 2079-4991) 10, 726(1-9) (Apr. 11, 2020).
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2019
42. O Eun Kwon, Jin-Wook Shin, Himchan Oh, Chan-mo Kang, Hyunsu Cho, Byoung-Hwa Kwon, Chun-Won Byun, Jong-Heon Yang, Kang Me Lee, JunHan Han, Nam Sung Cho, Jong Hyuk Yoon, Seung Jin Chae, Jin Sung Park, Hyunkoo Lee, Chi-Sun Hwang, Jaehyun Moon, and Jeong-Ik Lee, “A prototype active-matrix OLED using graphene anode for flexible display application,” Journal of Information Display 21(1), 49-56 (Nov 13, 2019), https://doi.org/10.1080/15980316.2019.1680452 àIMID2019 KIDS Awards Silver
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41. Hyunsu Cho, Chunwon Byun, Chan-mo Kang, Jin-Wook Shin, Byoung-Hwa Kwon, Sukyung Choi, Nam Sung Cho, Jeong-Ik Lee, Hokwon Kim, Jeong Hwan Lee, Minseok Kim, and Hyunkoo Lee (Corresponding author), “White organic light-emitting diode (OLED) microdisplay with a tandem structure,” Journal of Information Display 20(4), 249-255 (Oct 5, 2019), doi: https://doi.org/10.1080/15980316.2019.1671240. IMID2019 KIDS Awards Gold
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40. Chan-mo Kang, Jeongkyun Roh, Hyeonwoo Shin, Changhee Lee, and Hyunkoo Lee(corresponding author), “Investigation of Improved Performance for Organic Rectifying Diodes via Electrical Annealing,” IEEE Access(ISSN: 2169-3536) 7, 84082-84090 (Jun. 24, 2019).
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39. Hyunsu Cho, Jin Chung, Jinouk Song, Jaeho Lee, Hyunkoo Lee, Jonghee Lee, Jaehyun Moon, Seunghyup Yoo, and Nam Sung Cho,” Importance of Purcell factor for optimizing structure of organic light-emitting diodes,” Optics Express(ISSN:1094-4087) 27(8), 11057-11068 (Apr. 15, 2019).
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38. Sukyung Choi, Jaehyun Moon, Hyunsu Cho, Byoung-Hwa Kwon, Nam Sung Cho, and Hyunkoo Lee(corresponding author), “Partially Pyridine-Functionalized Quantum Dots for Efficient Red, Green, and Blue Light-Emitting Diodes,” Journal of Materials Chemistry C (ISSN:2050-7526), 7(12), 3429-3435 (Mar. 28, 2019). Front cover
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37. Hyunsu Cho, Jinouk Song, Byoung-Hwa Kwon, Sukyung Choi, Chun-Won Byun, Hyunkoo Lee, Chul Woong Joo, Seong-Deok Ahn, Seung-Youl Kang, Seunghyup Yoo, Jaehyun Moon, ”Stabilizing color shift of tandem white organic light-emitting diodes,” Journal of Industrial and Engineering Chemistry, 69, 414-421 (Jan 25, 2019).
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2018
36. Kyoung Woo Park, Seunghee Lee, Hyunkoo Lee, Yong-Hwan Cho, Yong Cheon Park, Sung Gap Im and Sang-Hee Ko Park, “High-Performance Thin H:SiON OLED Encapsulation layer Deposited by PECVD at Low Temperature,” RSC Advances, (ISSN:2046-2069), 9(11), 58-64 (Dec. 20, 2018).
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35. Hyunkoo Lee (1st author), Hyunsu Cho, Chun-Won Byun, Chan-mo Kang, Jun-Han Han, Jeong-Ik Lee, Hokwon Kim, Jeong Hwan Lee, Minseok Kim, and Nam Sung Cho, ”Device characteristics of top-emitting organic light-emitting diodes depending on anode materials for CMOS-based OLED microdisplays,” IEEE Photonics Journal, 10(6), 8201809 (Oct 22, 2018).
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34. Himchan Oh, Jong-Heon Yang, Gi Heon Kim, Hyunkoo Lee, Byoung-Hwa Kwon, Chunwon Byun, Chi-Sun Hwang, Kyoung Ik Cho and Jeong-Ik Lee, “Light- and space-adaptable display,” Journal of Information Display 19(4), 165-170 (Sep 21, 2018), doi: https://doi.org/10.1080/15980316.2018.1524798.
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33. Hyunkoo Lee (1st author), Jonghee Lee, Jeong-Ik Lee, Nam Sung Cho, “Improvement of colour gamut in bottom-emission organic light-emitting diodes using micro-cavity structure embedded cathodes,” Electronics, 7(9), 155 (Aug 21, 2018).
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32. Hyunkoo Lee (1st author), Hyunsu Cho, Chun-Won Byun, Jun-Han Han, Byoung-Hwa Kwon, Sukyung Choi, Jonghee Lee, and Nam Sung Cho, “Color-tunable organic light-emitting diodes with vertically stacked blue, green, and red colors for lighting and display applications,” Optics Express(ISSN:1094-4087) 26(14), 18351-18361 (Jul 9, 2018).
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31. Moohyun Kim, Chul Woong Joo, Jong H. Kim, Wonseok Choi, Jonghee Lee, Dongchan Lee, Hyunsu Cho, Hyunkoo Lee, Sunjoong Park, Nam Sung Cho, Hyunjin Cho, Chan-Woo Lee, Duk Young Jeon, and Byoung-Hwa Kwon, “Conductivity Enhancement of Nickel Oxide by Copper Cation Codoping for Hybrid Organic-Inorganic Light-Emitting Diodes,” ACS Photonics(ISSN:2330-4022) 5(8), 3389-3398 (May 24, 2018).
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2017
30. Jong Tae Lim, Jaesu Kim, Hyunkoo Lee, Jaehyun Moon, Byoung-Hwa Kwon, Seongdeok Ahn, Nam Sung Cho, Byung-Wook Ahn, Jeong-Ik Lee, Kyuwook Ihm, and Seong Chu Lim, “Unraveled Face-Dependent Effects of Multilayered Graphene Embedded in Transparent Organic Light-Emitting Diodes,” ACS Appl. Mater. Interfaces(ISSN:1944-8244) 9(49), 43105-43112 (2017), DOI: 10.1021/acsami.7b13973, (Nov 21, 2017).
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29. Hyunkoo Lee (1st author), Min-Jae Maeng, Jong-Am Hong, Rokeya Najnin, Jaehyun Moon, Hyunsu Cho, Jonghee Lee, Byoung-Gon Yu, Yongsup Park and Nam Sung Cho, “Highly efficient green, blue, and white phosphorescent inverted organic light-emitting diodes by improving charge injection and balance,” Journal of Materials Chemistry C(ISSN:2050-7526) 5(38), 9911-9919 (Oct 14, 2017).
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28. Doo-Hee Cho, O Eun Kwon, Young-Sam Park, Byoung Gon Yu, Jonghee Lee, Jaehyun Moon, Hyunsu Cho, Hyunkoo Lee and Nam Sung Cho, “Flexible integrated OLED substrates prepared by printing and plating process,” Organic Electronics(ISSN: 1566-1199) 50( ) 170-176 (Aug 1, 2017).
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27. Bong Jun Kim, Hongkeun Park, Hyejeong Seong, Min Seok Lee, Byoung-Hwa Kwon, Do Heung Kim, Young Il Lee, Hyunkoo Lee, Jeong-Ik Lee and Sung Gap Im, “A Single-Chamber System of Initiated Chemical Vapor Deposition and Atomic Layer Deposition for Fabrication of Organic/Inorganic Multilayer Films,” Advanced Engineering Materials(ISSN: 1438-1656) 19(6), 1600819 (June 21, 2017).
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26. Sunghee Park, Jong Tae Lim, Won-Yong Jin, Hyunkoo Lee, Byoung-Hwa Kwon, Nam Sung Cho, Jun-Han Han, Jae-Wook Kang, Seunghyup Yoo and Jeong-Ik Lee, “Efficient Large-Area Transparent OLEDs Based on a Laminated Top Electrode with an Embedded Auxiliary Mesh,” ACS Photonics(ISSN:2330-4022) 4(5), 1114-1122 (May 17, 2017).
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25. J. Y. Kim, S. Cheon, H. Lee, J.-Y. Oh, J.-I. Lee, H. Ryu, Y.-H. Kim and C.-S. Hwang, “Smart approach to liquid electrolyte-based multi-colored electrochemiluminescence for lighting applications,” Journal of Materials Chemistry C(ISSN: 5(17), 4214-4218 (May 07, 2017).
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24. Hyunsu Cho, Hyunkoo Lee, Jonghee Lee, Woo Jin Sung, Byoung-Hwa Kwon, Chul-Woong Joo, Jin-Wook Shin, Jun-Han Han, Jaehyun Moon, Jeong-Ik Lee, Seungmin Cho and Nam Sung Cho, “Stable angular emission spectra in white organic light-emitting diodes using graphene/PEDOT:PSS composite electrode,” Optics Express(ISSN:1094-4087) 25(9), 9734-9742 (May 1, 2017).
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2016
23. Chun-Won Byun, Jong-Heon Yang, Jae-Eun Pi, Hyunkoo Lee, Gi-Heon Kim, Byoung-Hwa Kwon, Seong M. Cho, Jeong-Ik Lee, Yong-Hae Kim, Kyoung-Ik Cho, Sung Haeng Cho, Seung-Woo Lee, and Chi-Sun Hwang, “Light-adaptable display for the future advertising service,” Journal of Information Display 17(4), 159-167 (Dec, 2016).
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22. Hyunsu Cho, Chul Woong Joo, Jonghee Lee, Hyunkoo Lee, Jaehyun Moon, Jeong-Ik Lee, Jun Yeob Lee, Youngjin Kang, and Nam Sung 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(21), 24161-24168 (Oct 17, 2016).
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21. Joo Yeon Kim, Ji-Young Oh, Sanghoon Cheon, Hyunkoo Lee, Jonghee Lee, Jeong-Ik Lee, Hojun Ryu, Seong M. Cho, Tae-Youb Kim, Chil-Sung Ah, Yong-Hae Kim, and Chi-Sun Hwang, “Optimized ion diffusion depth for maximizing optical contrast of environmentally friendly PEDOT:PSS electrochromic devices,” Optical Materials Express 6(10), 3127-3134 (Oct 1, 2016).
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20, Chan-mo Kang, Jessica Wade, Sumin Yun, Jaehoon Lim, Hyunduck Cho, Jeongkyun Roh, Hyunkoo Lee, Sangwook Nam, Donal D. C. Bradley, Ji-Seon Kim, and Changhee Lee, “1 GHz Pentacene Diode Rectifiers Enabled by Controlled Film Deposition on SAM-Treated Au Anodes,” Advanced Electronic Materials 2(2), 1500282 (Feb 12, 2016). Front cover
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2015
19. Jong Tae Lim#, Hyunkoo Lee# (1st author), Hyunsu Cho, Byoung-Hwa Kwon, Nam Sung Cho, Bong Kuk Lee, Jonghyurk Park, Jaesu Kim, Jun-Han Han, Jong-Heon Yang, Byoung-Gon Yu, Chi-Sun Hwang, Seong Chu Lim, Jeong-Ik Lee, “Flexion bonding transfer of multilayered graphene as a top electrode in transparent organic light-emitting diodes,” Scientific Reports 5, 17748 (Dec 2, 2015).
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18. Hyunkoo Lee (1st author), Jeonghun Kwak, Chan-Mo Kang, Yi-Yeol Lyu, Kookheon Char, and Changhee Lee, “Trap-level-engineered common red layer for fabricating red, green, and blue subpixels of full-color organic light-emitting diode displays,” Optics Express 23(9), 11424-11435 (May 4, 2015).
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2014
17. Woo Jin Sung, Jonghee Lee, Chul Woong Joo, Nam Sung Cho, Hyunkoo Lee, Ga-Won Lee, and Jeong-Ik Lee, “Colored semi-transparent organic light-emitting diodes,” Journal of Information Display 15(4), 177-184 (Dec 16, 2014).
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16. Wan Ki Bae, Jaehoon Lim, Donggu Lee, Myeongjin Park, Hyunkoo Lee, Jeonghun Kwak, Kookheon Char, Changhee Lee, Seonghoon Lee, “R/G/B/Natural White Light Thin Colloidal Quantum Dot-Based Light-Emitting Devices,” Advanced Materials 26 (37), 6387-6393 (Oct 8, 2014).
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15. Hyunkoo Lee (1st author), Yongwon Kwon, Heeyoung Jung, Jeong-Ik Lee, and Changhee Lee, “Enhanced performances in inverted bottom-emission organic light-emitting diodes with KBH4-doped electron-injection layer,” Physica Status Solidi (a) applications and materials science 211 (8), 1807-1811 (Aug 12, 2014).
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14. Yongwon Kwon, Yongnam Kim, Hyunkoo Lee, Changhee Lee, Jeonghun Kwak, “Composite film of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) and MoO3 as an efficient hole injection layer for polymer light-emitting diodes,” Organic Electronics 15 (6), 1083-1087 (Jun, 2014).
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2013
13. Hyunkoo Lee (1st author), Chan-mo Kang, Myeongjin Park, Jeonghun Kwak, and Changhee Lee, “Improved Efficiency of Inverted Organic Light-Emitting Diodes using Tin Dioxide Nanoparticles as an Electron Injection Layer,” ACS Applied Materials & Interfaces, 5, 1977 (Mar, 2013).
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2012
12. Hyunkoo Lee (1st author), Yongwon Kwon, and Changhee Lee, “Improved performances in organic and polymer light-emitting diodes using solution-processed vanadium pentoxide as a hole injection layer,” Journal of the Society for Information Display, 20, 640 (Dec, 2012).
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11. Hyunkoo Lee (1st author), Hyuk Ahn, Changhee Lee, Jeonghun Kwak, “Efficient inverted bottom-emission blue phosphorescent organic light-emitting diodes with ytterbium-doped electron injection layer,” Journal of the Korean Physical Society, 61, 1536 (Nov, 2012).
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10. Jun Young Kim, Hyunkoo Lee, Jungho Park, Donggu Lee, Hyung-Jun Song, Jeonghun Kwak, and Changhee Lee, “Effect of Sol-Gel-Derived ZnO Interfacial Layer on the Photovoltaic Properties of Polymer Solar Cells,” Japanese Journal of Applied Physics 51, 10NE29 (Oct, 2012).
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9. Jeonghun Kwak, Yi-Yeol Lyu, Seunguk Noh, Hyunkoo Lee, Myeongjin Park, Bonggoo Choi, Kookheon Char, Changhee Lee, “Hole transport materials with high glass transition temperatures for highly stable organic light-emitting diodes,” Thin Solid Films 520, 7157 (Oct, 2012).
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8. Jeonghun Kwak, Yi-Yeol Lyu, Hyunkoo Lee, Bonggoo Choi, Kookheon Char, and Changhee Lee, “New carbazole-based host material for low-voltage and highly efficient red phosphorescent organic light emitting diodes,” Journal of Materials Chemistry 22, 6351 (Apr, 2012).
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7. Hyunkoo Lee (1st author), Jun Young Kim, and Changhee Lee, “Improvement of Power Efficiency in Phosphorescent White Organic Light-Emitting Diodes Using p-Doped Hole Transport Layer,” International Journal of Photoenergy 2012, 581421 (Jan, 2012).
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2011
6. Hyunkoo Lee (1st author), Hyuk Ahn, and Changhee Lee, “Device characteristics of blue phosphorescent organic light-emitting diodes depending on the electron transport materials,” Journal of Information Display 12, 219 (Dec 16, 2011).
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5. Chan-mo Kang, Hyunduck Cho, Hyunkoo Lee, and Changhee Lee, “Organic Rectifier with Transfer-printed Metal as a Top Electrode,” Journal of the Korean Physical Society 59, 470 (Aug, 2011).
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2010
4. Jeonghun Kwak, Yi-Yeol Lyu, Hyunkoo Lee, Kookheon Char, and Changhee Lee, “Fluorescent white OLEDs with a high color-rendering index using a silicon-cored anthracene derivative as a blue host,” Journal of Information Display 11, 123 (Sep, 2010). The Merck Young Scientist Award For Outstanding Scientific Contribution to the Display Technology
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3. Hyunkoo Lee (1st author), Insun Park, Jeonghun Kwak, Do Y. Yoon, and Changhee Lee, “Improvement of electron injection in inverted bottom-emission blue phosphorescent organic light emitting diodes using zinc oxide nanoparticles,” Applied Physics Letters 96, 153306 (Apr, 2010).
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2007
2. H. K. Lee (1st author), D. S. Kwon, and C. Lee, "White Organic Light-emitting Diodes using the Tandem Structure Incorporating with Organic p/n Junction", Journal of Information Display 8, 20 (June, 2007).
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2006
1. H. K. Lee (1st author), Y. C. Shin, D. S. Kwon, and C. H. Lee, "Organic Light-Emitting Diodes with F16CuPC as an Efficient Hole-Injection Layer," Journal of the Korean Physical Society 49, 1037, (Sep, 2006).