International Display Workshops General Incorporated Association

13:20 〜 13:40

[MEET1-2(Invited)] Better but Worse, the Challenging Promise of Micro LEDs

*Khaled Ahmed1 (1.Intel (United States of America))

Micro LED, Display, Light Extraction Efficiency, Internal Quantum Efficiency, External Quantum Efficiency

https://doi.org/10.36463/idw.2021.0765

More than $4B have been spent over a decade to explore high-brightness, low-power MicroLED displays. The key challenge is maintaining power efficiency as MicroLEDs scale down to ~5µm. MicroLEDs scaling down results in better light extraction efficiency, but worse internal quantum efficiency. This conundrum is quantified here using physics-based models.