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Alternating current electroluminescence (ACEL) as a unique display technology has been studied for decades. Due to the development of component materials (phosphor, dielectric, electrodes, and substrates), ACEL devices have obtained extreme deformability and high luminescence, as well as other unique properties, enabling ACEL to be suitable for multifunctional displays and sensing platforms. In this era of great demand for wearable electronics and flexible displays, flexible ACEL devices are facing unprecedented development opportunities, and some outstanding research has emerged. This Review first introduces the configurations and mechanisms of flexible ACEL devices and highlights the functions and development of each component material in flexible ACEL devices. In the second part, this Review focuses on the advances and potential of ACEL in the field of multifunctional displays and sensing platforms and shows the bright prospects of flexible ACEL devices.
Qu et al. (Sun,) studied this question.