Wei-Kai Lee
National Taiwan University
55 Papers
171 Citations
Wei-Kai Lee is an academic researcher from National Taiwan University. The author has contributed to research in topics: OLED & Quantum efficiency. The author has an hindex of 17, co-authored 47 publications.
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Papers
Sky-Blue Organic Light Emitting Diode with 37% External Quantum Efficiency Using Thermally Activated Delayed Fluorescence from Spiroacridine-Triazine Hybrid.
Ting-An Lin,Tanmay Chatterjee,Wei-Lung Tsai,Wei-Kai Lee,Meng-Jung Wu,Min Jiao,Kuan-Chung Pan,Chih-Lung Yi,Chin-Lung Chung,Ken-Tsung Wong,Chung-Chih Wu +10 more
TL;DR: Extremely efficient sky-blue organic electroluminescence with external quantum efficiency of ≈37% is achieved in a conventional planar device structure using a highly efficient thermally activated delayed fluorescence emitter based on the spiroacridine-triazine hybrid.
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Achieving Nearly 30% External Quantum Efficiency for Orange–Red Organic Light Emitting Diodes by Employing Thermally Activated Delayed Fluorescence Emitters Composed of 1,8-Naphthalimide-Acridine Hybrids
Weixuan Zeng,Hsin-Yu Lai,Wei-Kai Lee,Min Jiao,Yi-Jiun Shiu,Cheng Zhong,Shaolong Gong,Tao Zhou,Guohua Xie,Monima Sarma,Ken-Tsung Wong,Chung-Chih Wu,Chuluo Yang +12 more
TL;DR: This finding relaxes the usually stringent material requirements for effective TADF emitters by comprising smaller radiative transition rates and less than ideal ΦPL s.
565
A versatile thermally activated delayed fluorescence emitter for both highly efficient doped and non-doped organic light emitting devices
Wei-Lung Tsai,Ming-Hao Huang,Wei-Kai Lee,Yi-Jiun Hsu,Kuan-Chung Pan,Yi Hsiang Huang,Hao-Chun Ting,Monima Sarma,Yu-Yi Ho,Hu Hung-Chieh,Chung-Chia Chen,Meng-Ting Lee,Ken-Tsung Wong,Chung-Chih Wu +13 more
TL;DR: A thermally activated delayed fluorescent emitter (DMAC-TRZ) was reported either as the emitting dopant in a host or as the non-doped (neat) emitting layer to achieve high EL EQEs of up to 26.5% and 20% in OLEDs, respectively.
326
Bis-Tridentate Ir(III) Complexes with Nearly Unitary RGB Phosphorescence and Organic Light-Emitting Diodes with External Quantum Efficiency Exceeding 31%.
Chu-Yun Kuei,Wei-Lung Tsai,Bihai Tong,Bihai Tong,Min Jiao,Wei-Kai Lee,Yun Chi,Chung-Chih Wu,Shih-Hung Liu,Gene-Hsiang Lee,Pi-Tai Chou +10 more
TL;DR: A new class of neutral bis-tridentate Ir(III) metal complexes that show nearly unitary red, green, and blue emissions in solution is prepared and employed for the fabrication of both monochrome and white-emitting organic light-emitted diodes.
264
Efficient and Tunable Thermally Activated Delayed Fluorescence Emitters Having Orientation‐Adjustable CN‐Substituted Pyridine and Pyrimidine Acceptor Units
Kuan-Chung Pan,Shu-Wei Li,Yu-Yi Ho,Yi-Jiun Shiu,Wei-Lung Tsai,Min Jiao,Wei-Kai Lee,Chung-Chih Wu,Chin-Lung Chung,Tanmay Chatterjee,Yung-Shin Li,Ken-Tsung Wong,Hu Hung-Chieh,Chung-Chia Chen,Meng-Ting Lee +14 more
TL;DR: A series of twisted Dπ-A type emitters based on the acridine donor unit and CN-substituted pyridine, pyrimidine, and benzene acceptor units are studied in this paper.
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