Ultraviolet-assisted synthesis of encapsulating adhesives and their application for lifetime improvement of organic light emitting diodes |
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| Institution: | 1. Department of Materials Science and Engineering, National Chiao-Tung University, Hsinchu 30010, Taiwan, ROC;2. Graduate School of Optoelectronics Engineering, National Yunlin University of Science and Technology, Yunlin 640, Taiwan, ROC;3. Institute of Electro-Optical and Materials Science, National Formosa University, Huwei, Yunlin 63208, Taiwan, ROC;4. Material and Chemical Research Laboratories, Industrial Technology Research Institute, Hsinchu 300, Taiwan, ROC |
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| Abstract: | The lifetimes of organic light emitting diodes (OLEDs) have been successfully enhanced with the modulation of LiF thickness and the utilization of encapsulating adhesives, which have been successfully and quickly synthesized with UV irradiation. Experimental results demonstrate that LiF and lab-made encapsulating adhesives can block the invasion of moisture as well as oxygen in the atmosphere into the OLEDs so that the lifetimes of devices with their encapsulation are 18-folds longer than those without encapsulation. |
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