Smartphones, computers, and televisions all share one common feature: they have a screen, and user interaction occurs through this display. Therefore, the panel technology used in your device is quite important. Undoubtedly, one of the best panel technologies available today is OLED. Thin, efficient, and highly advanced, this technology is typically used in top-of-the-line premium devices. However, it seems that this is not the only benefit of OLEDs. Scientists in Australia claim that the OLEDs in our phones and TVs could one day be used as portable quantum sensors to image magnetic fields. Here are the details…

Smartphone and TV Screens Become Magnetic Field Mappers with OLED Technology

I am sure that many of you have used OLED technology in one way or another at some point in your life. As these panel types become increasingly affordable and widespread, researchers have created a device structure that allows for measuring magnetic fields both electrically and optically without the need for lasers.

Rugang Geng, the lead author of the study, explains that incorporating a small piece of microwave electronics with OLEDs enables them to function not only as displays and light sources but also as quantum sensors and magnetic field imagers. Geng’s statement on the subject is as follows:

“If this technology is properly developed, people could simply use their smartphones to map the magnetic fields around them, for example, to spot defects in diamonds or jewelry. This also has applications in industry, such as finding defects in construction materials or as a biomedical sensor.”

This study showcases the potential of a small-scale OLED-based magnetic field sensor and a new approach to magnetic field mapping using a technology that is both commercially viable and easy to manufacture.

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