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Title: Advances in alternating current electroluminescent devices
Authors: Wang, Lin
Xiao, Lian
Gu, Haoshuang
Sun, Handong
Keywords: Science::Physics
Issue Date: 2019
Source: Wang, L., Xiao, L., Gu, H., & Sun, H. (2019). Advances in alternating current electroluminescent devices. Advanced Optical Materials, 7(7), 1801154-. doi:10.1002/adom.201801154
Journal: Advanced Optical Materials
Abstract: Alternating current (AC)‐driven electroluminescent (EL) devices have recently attracted attention as potential alternatives to direct current (DC)‐driven organic light‐emitting diodes (OLEDs), as they have the great advantage of easy integration into the AC power system of 110/220 V at 50/60 Hz without complicated back‐end electronics. However, the high driving voltage and low power efficiency inherent to AC‐driven EL devices limit their widespread application. While researchers have made some remarkable progress in this field, the underlying causes during the development process remain to be explored. The strategies for improving the performance of AC‐driven EL devices with different configurations, such as the conventional sandwiched structure and multilayer‐based light‐emitting devices, are summarized in this review. For example, it is crucial to enhance the effective electric field around the emitters for AC‐driven thin film electroluminescent (AC‐TFEL) devices, while the unbalanced generation/injection of charge carriers is the main limiting factor for the performance of AC‐driven light‐emitting devices (AC‐LEDs). The recent advances in AC‐driven EL devices, with some new configurations or new‐type emitting materials, are presented by category. The challenges and opportunities for the further development of AC‐driven EL devices are also discussed.
ISSN: 2195-1071
DOI: 10.1002/adom.201801154
Schools: School of Physical and Mathematical Sciences 
Organisations: Centre for Disruptive Photonic Technologies
CNRS-UCA-SU-NUS-NTU International Joint Research Unit
Rights: This is the accepted version of the following article: Wang, L., Xiao, L., Gu, H., & Sun, H. (2019). Advances in alternating current electroluminescent devices. Advanced Optical Materials, 7(7), 1801154-, which has been published in final form at This article may be used for non-commercial purposes in accordance with the Wiley Self-Archiving Policy [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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