Stable Blue Thermally Activated Delayed Fluorescent Organic Light-Emitting Diodes with Three Times Longer Lifetime than Phosphorescent Organic Light-Emitting Diodes

被引：378
作者：
Kim, Mounggon [1 ]
Jeon, Sang Kyu [2 ]
Hwang, Seok-Ho [1 ]
Lee, Jun Yeob [2 ]
机构：
[1] Dankook Univ, Dept Polymer Sci & Engn, Yongin 448701, Gyeonggi, South Korea
[2] Sungkyunkwan Univ, Sch Chem Engn, Suwon 440746, Gyeonggi, South Korea
来源：
ADVANCED MATERIALS | 2015年 / 27卷 / 15期
基金：
新加坡国家研究基金会;
关键词：
blue device; carbazole; delayed fluorescence; efficiency; lifetime; triazine; DERIVATIVES; EFFICIENCY; DESIGN;
D O I：
10.1002/adma.201500267
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
High quantum efficiency above 18% and extended lifetime three times longer than that of phosphorescent organic light-emitting diodes (OLEDs) are demonstrated in blue thermally activated delayed fluorescent OLEDs. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：2515 / 2520
页数：6
相关论文
共 19 条
[1]   A Universal Host Material for High External Quantum Efficiency Close to 25% and Long Lifetime in Green Fluorescent and Phosphorescent OLEDs [J].
Cho, Yong Joo ;
Yook, Kyoung Soo ;
Lee, Jun Yeob .
ADVANCED MATERIALS, 2014, 26 (24) :4050-4055
[2]   Efficient up-conversion of triplet excitons into a singlet state and its application for organic light emitting diodes [J].
Endo, Ayataka ;
Sato, Keigo ;
Yoshimura, Kazuaki ;
Kai, Takahiro ;
Kawada, Atsushi ;
Miyazaki, Hiroshi ;
Adachi, Chihaya .
APPLIED PHYSICS LETTERS, 2011, 98 (08)
[3]   Oxadiazole- and triazole-based highly-efficient thermally activated delayed fluorescence emitters for organic light-emitting diodes [J].
Lee, Jiyoung ;
Shizu, Katsuyuki ;
Tanaka, Hiroyuki ;
Nomura, Hiroko ;
Yasuda, Takuma ;
Adachi, Chihaya .
JOURNAL OF MATERIALS CHEMISTRY C, 2013, 1 (30) :4599-4604
[4]   Luminous Butterflies: Efficient Exciton Harvesting by Benzophenone Derivatives for Full-Color Delayed Fluorescence OLEDs [J].
Lee, Sae Youn ;
Yasuda, Takuma ;
Yang, Yu Seok ;
Zhang, Qisheng ;
Adachi, Chihaya .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2014, 53 (25) :6402-6406
[5]   High-efficiency organic light-emitting diodes utilizing thermally activated delayed fluorescence from triazine-based donor-acceptor hybrid molecules [J].
Lee, Sae Youn ;
Yasuda, Takuma ;
Nomura, Hiroko ;
Adachi, Chihaya .
APPLIED PHYSICS LETTERS, 2012, 101 (09)
[6]   Enhanced Electroluminescence Efficiency in a Spiro-Acridine Derivative through Thermally Activated Delayed Fluorescence [J].
Mehes, Gabor ;
Nomura, Hiroko ;
Zhang, Qisheng ;
Nakagawa, Tetsuya ;
Adachi, Chihaya .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2012, 51 (45) :11311-11315
[7]   Electroluminescence based on thermally activated delayed fluorescence generated by a spirobifluorene donor-acceptor structurew [J].
Nakagawa, Tetsuya ;
Ku, Sung-Yu ;
Wong, Ken-Tsung ;
Adachi, Chihaya .
CHEMICAL COMMUNICATIONS, 2012, 48 (77) :9580-9582
[8]   Promising operational stability of high-efficiency organic light-emitting diodes based on thermally activated delayed fluorescence [J].
Nakanotani, Hajime ;
Masui, Kensuke ;
Nishide, Junichi ;
Shibata, Takumi ;
Adachi, Chihaya .
SCIENTIFIC REPORTS, 2013, 3
[9]   A highly luminescent spiro-anthracenone-based organic light-emitting diode exhibiting thermally activated delayed fluorescence [J].
Nasu, Keiro ;
Nakagawa, Tetsuya ;
Nomura, Hiroko ;
Lin, Chi-Jen ;
Cheng, Chien-Hong ;
Tseng, Mei-Rurng ;
Yasuda, Takuma ;
Adachi, Chihaya .
CHEMICAL COMMUNICATIONS, 2013, 49 (88) :10385-10387
[10]   Organic Luminescent Molecule with Energetically Equivalent Singlet and Triplet Excited States for Organic Light-Emitting Diodes [J].
Sato, Keigo ;
Shizu, Katsuyuki ;
Yoshimura, Kazuaki ;
Kawada, Atsushi ;
Miyazaki, Hiroshi ;
Adachi, Chihaya .
PHYSICAL REVIEW LETTERS, 2013, 110 (24)
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