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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Fluorescence sensing setup. (a) Schematic diagram of the main components of the fluorescence sensing system. (b) Leakage light response of different OLEDs measured by the fluorescence sensing system in pulsed operation.