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Related Experiment Video

Updated: Jul 1, 2025

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes
07:44

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes

Published on: November 16, 2018

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Wireless magnetoelectrically powered organic light-emitting diodes.

Julian F Butscher1,2, Sabina Hillebrandt2, Andreas Mischok2

  • 1Centre of Biophotonics, SUPA, School of Physics and Astronomy, University of St Andrews, St Andrews, UK.

Science Advances
|March 6, 2024
PubMed
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Researchers developed a compact, wirelessly powered light source using magnetoelectric transducers and organic light-emitting diodes. This technology enables underwater operation and individual device addressing for diverse applications.

Area of Science:

  • Materials Science
  • Electrical Engineering
  • Optoelectronics

Background:

  • Miniaturization and power integration are key challenges for compact wireless light sources.
  • Existing technologies face limitations in size and power harvesting for applications like wireless displays and optical implants.

Purpose of the Study:

  • To introduce a novel strategy for a compact, wirelessly powered light source.
  • To overcome miniaturization and power integration challenges in wireless light-source technology.

Main Methods:

  • Utilized a magnetoelectric transducer as both power source and substrate.
  • Integrated custom-designed organic light-emitting diodes (OLEDs) in an antiparallel configuration.
  • Operated devices using low-frequency alternating current (AC) magnetic fields (~100 kHz).

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Development of Efficient OLEDs from Solution Deposition
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Development of Efficient OLEDs from Solution Deposition

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Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes
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Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes

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Related Experiment Videos

Last Updated: Jul 1, 2025

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes
07:44

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes

Published on: November 16, 2018

8.9K
Development of Efficient OLEDs from Solution Deposition
07:09

Development of Efficient OLEDs from Solution Deposition

Published on: November 4, 2022

2.1K
Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes
05:51

Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes

Published on: November 15, 2016

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Main Results:

  • Demonstrated wirelessly powered light sources with small form factors.
  • Achieved operation in watery environments up to several centimeters deep.
  • Enabled individual device addressing and color tuning by adjusting resonance frequency.
  • Showcased potential for clustered operation of multiple light sources.

Conclusions:

  • The developed light sources offer a unique combination of small size, wireless power, and environmental compatibility.
  • This technology facilitates individual addressing for applications such as pixel control in wireless displays.
  • The devices are suitable for challenging environments, opening possibilities in deep tissue treatment, sensing, and imaging.