Search Results - "Ha, Jaekook"

Synthesis and characterization of novel light-emitting copolymers containing triphenylamine derivatives by Ha, Jaekook, Vacha, Martin, Khanchaitit, Paisan, Ath-Ong, Duangdao, Lee, Sang-Ho, Ogino, Kenji, Sato, Hisaya

“…Novel light-emitting copolymers containing 4- n-butyltriphenylamine and either anthracene, diphenylanthracene or perylene units were synthesized by…”
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13‐2: Modification of ZnMgO NPs for Improving Device Performance of All‐Inkjet‐Printed Quantum‐Dot Light‐Emitting Diodes by Lee, Juyon, Kim, Sehun, Ha, Jaekook, Yoon, Yoegeon, Lee, Changhee

“…We demonstrated a new positive aging methods of QLEDs devices that can apply in large size inkjet printing display. Conventional positive aging method using…”
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Synthesis and Characterization of Hyperbranched Polymer Having Hole Transporting Ability by Ha, Jaekook, Lee, Hee Cheong, Lee, Sang-Ho, Kimura, Noriko, Sato, Hisaya

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72‐2: Highly Efficient Cadmium‐Free Quantum Dot Light‐Emitting Diodes Employing Top‐Emitting Architecture by Park, Myoungjin, Park, Jaehong, Kim, Sungwoon, Ha, Jaekook, Lee, Changhee

“…By optimizing the micro‐cavity top‐emission QD‐LED structures based on InP QDs, 3.2‐fold improvement in the efficiency is obtained compared to the…”
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Inkjet‐printed quantum dot light‐emitting diodes: Development and challenges for display applications by Han, Changyeol, Lee, Sooho, Ko, Yunhyuk, Cho, Jungho, Jung, Yun Ku, Kang, Dong Jin, Kwak, Donghoon, Kim, Sehun, Ha, Jaekook, Yoon, Yeo‐geon, Lee, Changhee

“…Abstract Quantum dot (QD) technology is rapidly advancing and draws much attention for display applications where accurate and vibrant color reproduction is…”
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33‐1: All‐Inkjet‐printed AMOLED Display with Improved Efficiency and Lifetime by Kim, Sehun, Kang, Taeheon, Kim, Heunggyu, Mun, Hyeran, Koo, Youngmo, Ha, Jaekook, Lee, Changhee

“…Inkjet‐printing of organic light‐emitting diodes(OLEDs) is a revolutionary technology aimed at large‐size panel production, high OLED material consumption…”
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83‐1: Improved performance of EL‐QD display through surface modified QDs and inorganic nanoink by Jung, Yun Ku, Ko, Yunhyuk, Park, Chulsoon, Noh, Seunguk, Kim, Yongil, Kim, Sehun, Ha, Jaekook, Yoon, Yeogeon

“…We demonstrated the ligand exchange procedure on the InP base green QDs and Zn(Mg)O surface to improve of efficiency at EL‐QDs device. Performace of EL‐QDs…”
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All inkjet‐printed 6.95″ 217 ppi active matrix QD‐LED display with RGB Cd‐free QDs in the top‐emission device structure by Park, Myoungjin, Kim, Young Il, Jung, Yun Ku, Kang, Jin‐goo, Kim, Sehun, Ha, Jaekook, Yoon, Yeo‐geon, Lee, Changhee

“…Electroluminescence quantum dot devices (QD‐LEDs) show the promise in the development of future displays. For commercialization, the top emission device…”
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All inkjet‐printed 6.95″ 217ppi active matrix QD‐LED display with RGB Cd‐free QDs in the top‐emission device structure by Park, Myoungjin, Young Il Kim, Yun Ku Jung, Jin‐goo Kang, Kim, Sehun, Ha, Jaekook, Yeo‐geon Yoon, Lee, Changhee

“…Electroluminescence quantum dot devices (QD‐LEDs) show the promise in the development of future displays. For commercialization, the top emission device…”
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Dual ligand exchange of Cd‐free quantum dots and optimal control of ink formulation for improving the performance of all‐inkjet‐printed qunatum dot light‐emitting diodes by Ha, Jaekook, Lee, Sooho, Park, Myoungjin, Kim, Heunggyu, Jung, Yun Ku, Han, Changyeol, Hwang, Jaekwon, Park, Gyehyun, Lee, Hak June, Bae, Wan Ki, Noh, Seunguk, Kwak, Donghoon, Kim, Sehun, Yoon, Yeo‐geon, Lee, Changhee

“…Quantum dot light‐emitting diodes (QD‐LEDs) have received significant attention as a next‐generation display technology aimed at large‐size panel production…”
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65‐2: Red Electroluminescence Quantum Dot Devices (EL‐QD) with Improved Efficiency and Lifetime by Park, Myoungjin, Kim, Heung Gyu, Kang, Jin-goo, Ha, Jaekook, Lee, Changhee

“…By optimizing the interface between charge transport layer and quantum dots in EL‐QD devices based on InP QDs, 1.4‐fold improvement in the efficiency and…”
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Dual ligand exchange of Cd‐free quantum dots and optimal control of ink formulation for improving the performance of all‐inkjet‐printed quantum dot light‐emitting diodes by Ha, Jaekook, Lee, Sooho, Park, Myoungjin, Kim, Heunggyu, Yun Ku Jung, Han, Changyeol, Hwang, Jaekwon, Park, Gyehyun, Lee, Hak June, Bae, Wan Ki, Noh, Seunguk, Kwak, Donghoon, Kim, Sehun, Yeo‐geon Yoon, Lee, Changhee

“…Quantum dot light‐emitting diodes (QD‐LEDs) have received significant attention as a next‐generation display technology aimed at large‐size panel production…”
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P‐221: All Inkjet‐Printed Inverted Electroluminescent Quantum Dot Light Emitting Diode Display Based on Metal Oxide Thin Film Transistors by Kim, Jiyoon, Kim, Hyeonsik, Kim, Yool Guk, Im, Heewoon, Nam, Yuk-Hyun, Lee, Sangho, Park, Jaehyun, Ha, Jaekook, Yoon, Yeo-Geon, Lee, Changhee

“…A 12.4‐inch inverted cadmium‐free electroluminescent quantum dot (QD) light emitting diode (LED) display panel based on metal oxide thin film transistors…”
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P‐155: A High‐resolution Patterning of Electroluminescent Quantum Dot Pixels via Photo‐crosslinking by Yang, Jeehye, Lee, Kyung Sig, Nam, Juoh, Jang, Seunghee, Chang, Jae Bok, Park, Chulsoon, Kim, Hyeokjun, Kang, Moon Sung, Lee, Taek Joon, Ha, Jaekook, Yoon, Yeo-geon, Lee, Changhee

“…The emergence of near‐eye displays for an extended reality (XR) has promoted the development of high‐resolution electroluminescence quantum dot (EL‐QD)…”
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27‐3: Improved Device Performance for Inkjet Printed OLEDs via Interfacial Mixing Control by Kim, Heung Gyu, Lee, Seung Mook, Shin, Dongwoo, Ha, Jaekook, Lee, Changhee

“…Interfacial mixing between a solution‐processed hole transport layer and an emitting layer with thermal annealing (bake) process affects the device…”
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41‐2: Invited Paper: Recent Developments in Inkjet‐printed OLEDs for High Resolution, Large Area Applications by Kang, Jin-goo, Koo, Youngmo, Ha, Jaekook, Lee, Changhee

“…RGB printing method has been widely regarded as a potential tool for manufacturing high resolution, large size OLED applications, with the help of recent…”
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22‐2: Enhanced Orthogonality of Inkjet‐Printed OLEDs’ Emitting Layer by Novel Ink Composition for Electron Transport Layer by Kang, Taeheon, Gyu Kim, Heung, Ran Mun, Hye, Lee, Juyon, Kim, Sehun, Ha, Jaekook

“…Inkjet printing of OLEDs (Organic Light‐Emitting Diodes) is a revolutionary technology aimed at large‐size panel production, high OLED material consumption…”
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Synthesis and characterization of a novel electroluminescent polymer based on a phenoxazine derivative by Ito, Yuichi, Shimada, Takahiro, Ha, Jaekook, Vacha, Martin, Sato, Hisaya

“…We report the preparation of a new electroluminescent polymer by the oxidative coupling copolymerization of N‐(4‐n‐butylphenyl)phenoxazine and…”
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3‐3: Distinguished Paper: All Inkjet‐printed RGB Cd‐free EL‐QD Devices with Top‐emission Structure by Park, Myoungjin, Kim, Young Il, Kang, Jin-goo, Kim, Sehun, Ha, Jaekook, Yoon, Yeo-geon, Lee, Changhee

“…We demonstrated the world first all inkjet‐printed Cd‐free ELQDs based on getting over the hurdles of all inkjet printing process. Especially, we fabricated…”
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28‐2: Distinguished Paper: Optimization of Ink Formulation and Ligand Engineering for QD‐LED Displays with Improved Performance by Ha, Jaekook, Lee, Sooho, Park, Myoungjin, Kim, Heunggyu, Jung, Yun Ku, Park, Gyehyun, Han, Changyeol, Yu, Sanghee, Kim, Hoilim, Min, Kyeongseo, Lee, Arong, Kang, Giho, Park, Jee Hoon, Hwang, Jaekwon, Min, Ji Hyun, Ha, Hyun Dong, Han, Yongseok, Yoon, Da-Eun, Chang, Hogeun, Kim, Kwang-Hee, Kim, Sungwoo, Noh, Seunguk, Kwak, Donghoon, Kim, Sehun, Yoon, Yeo-geon, Lee, Changhee

“…The efficiency and lifetime of inkjet‐printed QD‐LED displays are improved through the ligand exchange of Cd‐free QDs and optimal control of ink formulation…”
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