OPTICS & PHOTONICS International Congress 2024

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LEDIA2024 » Poster Presentation

LEDIA Poster Session

2024年4月24日(水) 13:30 〜 15:00 Hall A (Pacifico Yokohama Exhibition Hall)

[LEDIAp-03] Investigation of sidewall-surface recombination using InGaN based blue and red micro-LEDs

*Heajeong Cheong1,2,3, Jeong-Hwan Park3, Markus Pristovsek2, Woong Kown1, Hiroshi Amano1,2,3,4 (1. Graduate School of Engineering, Nagoya University, 2. CIRFE, Institute of Materials and Systems for Sustainability (IMaSS), Nagoya University, 3. Venture Business Laboratory, Deep Tech Serial Innovation Center, Nagoya University, 4. Institute for Advanced Research (IAR), Nagoya University )

As for the red emission source in µLEDs display system, AlGaInP-based and InGaN-based µLEDs are competing. Here, we reveal that the detailed mechanism why the sidewall-surface recombination occurs, and which parameter determines the carrier loss through a comparison between InGaN-based blue and red µLEDs, which have not been covered in any other reports to date.

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