Metasurfaces Enhance Directional Emission and Efficiency in MicroLED Technology

A collaborative effort between Lumileds and Eindhoven University of Technology has yielded significant advancements in MicroLED technology, focusing on enhancing performance through the integration of metallic or dielectric metasurfaces within the LED structure. Led by researchers Jaime Gómez Rivas and Toni López, the team developed innovative architectures that address the limitations of traditional MicroLEDs, such as low external quantum efficiency (EQE) and inefficient light dispersion. By placing nanostructured metasurfaces made of aluminum or silicon dioxide above the LED’s quantum wells, they achieved remarkable improvements in directionality and light extraction efficiency—reporting a notable directional enhancement of 8.6 and a 21.4-fold increase in light extraction for the SiO₂ variant. This new method preserves the integrity of the semiconductor layers while enhancing light control and efficiency, offering promising applications in augmented reality, high-resolution displays, and advanced optical communication. As the partnership continues, further developments are expected to revolutionize the MicroLED landscape.

Metasurfaces Enhance Directional Emission and Efficiency in MicroLED Technology

Shoppers Can Get Garden Solar Lights for Just 60p by Combining These Two Offers

Pyramid Engineering Celebrates 25 Years of Success

Identifying the Beneficiaries of Globalization

Triumph Speed 400: A Timeless Design Enhanced with Modern Technology