A Breakthrough in Micro LED Efficiency
On April 29, Aledia, a French developer of 3D GaN LED technology, announced that it had successfully developed a Micro LED smaller than 1.5μm, with an external quantum efficiency (EQE) exceeding 32%. This achievement results in a world-record power conversion efficiency (WPE) of 320 milliwatts of visible light output per watt of electrical power.
Advantages of High EQE and WPE in Micro LEDs
Aledia’s high EQE means that more electricity is converted into visible light, reducing energy consumption and extending battery life for devices. Meanwhile, the high WPE allows these Micro LEDs to deliver bright, vibrant displays with less power consumption, setting a new benchmark for high-performance and eco-friendly display technology.
Innovations in RGB Color and Pixel Size
Aledia has also made significant advancements in native red, green, and blue (RGB) color directionality and pixel size reduction. These improvements enhance the clarity and vibrancy of AR displays, pushing the boundaries of what Micro LED technology can achieve.
Achieving DCI-P3 Color Gamut Standard
The company’s Micro LED products have reached 99% of the DCI-P3 color gamut standard, enabling a broader range of colors and further enhancing color accuracy. This achievement ensures superior display performance across various applications.
Background on Aledia and Nanowire Technology
Founded in 2012 as a spin-off from CEA-Leti, a premier French research institution in micro and nanotechnology, Aledia has been at the forefront of developing 3D GaN Micro LED technology, also known as nanowire technology. This process uses nanoscale, pillar-like 3D structures on a wafer to create LEDs that offer higher brightness and full-color displays by adjusting the nanowire structure, making them suitable for a wide range of display applications.
Recent Funding to Boost Micro LED Production
In October of last year, Aledia successfully completed a funding round, raising 120 million euros (approximately $129 million). This capital will be used to ramp up mass production of Micro LED products, further solidifying Aledia’s position as a leader in the display technology market.
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