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An All-Organic Flexible Visible Light Communication System

Electronic Technology Department, Universidad Carlos III de Madrid (GDAF-UC3M), Leganés, 28911 Madrid, Spain
Electronic Technology Area, Universidad Rey Juan Carlos (DELFO-URJC), Móstoles, 28933 Madrid, Spain
VTT Technical Research Centre of Finland Ltd., 90571 Oulu, Finland
Bioengineering and Photonics Technology Department, Universidad Politécnica de Madrid (CEMDATIC-UPM), 28040 Madrid, Spain
Author to whom correspondence should be addressed.
Sensors 2018, 18(9), 3045;
Received: 26 July 2018 / Revised: 31 August 2018 / Accepted: 11 September 2018 / Published: 12 September 2018
(This article belongs to the Special Issue Wearable Sensors and Devices for Healthcare Applications)
PDF [3582 KB, uploaded 12 September 2018]


Visible light communication systems can be used in a wide variety of applications, from driving to home automation. The use of wearables can increase the potential applications in indoor systems to send and receive specific and customized information. We have designed and developed a fully organic and flexible Visible Light Communication system using a flexible OLED, a flexible P3HT:PCBM-based organic photodiode (OPD) and flexible PCBs for the emitter and receiver conditioning circuits. We have fabricated and characterized the I-V curve, modulation response and impedance of the flexible OPD. As emitter we have used a commercial flexible organic luminaire with dimensions 99 × 99 × 0.88 mm, and we have characterized its modulation response. All the devices show frequency responses that allow operation over 40 kHz, thus enabling the transmission of high quality audio. Finally, we integrated the emitter and receiver components and its electronic drivers, to build an all-organic flexible VLC system capable of transmitting an audio file in real-time, as a proof of concept of the indoor capabilities of such a system. View Full-Text
Keywords: organic photodetector; organic light emitting diode; flexible electronics; visible light communication organic photodetector; organic light emitting diode; flexible electronics; visible light communication

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Vega-Colado, C.; Arredondo, B.; Torres, J.C.; López-Fraguas, E.; Vergaz, R.; Martín-Martín, D.; Del Pozo, G.; Romero, B.; Apilo, P.; Quintana, X.; A. Geday, M.; De Dios, C.; Sánchez-Pena, J.M. An All-Organic Flexible Visible Light Communication System. Sensors 2018, 18, 3045.

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