Related Experiment Video
Updated: Jul 18, 2026
10:33
Local Field Fluorescence Microscopy: Imaging Cellular Signals in Intact Hearts
Published on: March 8, 2017
8.3K
Advancing high-performance visible light communication with long-wavelength InGaN-based micro-LEDs.
Fu-He Hsiao1,2, Wen-Chien Miao1,2, Tzu-Yi Lee3
1Semiconductor Research Center, Hon Hai Research Institute, Taipei, 11492, Taiwan.
Scientific Reports
|March 26, 2024
Summary
High-performance yellow and red micro-LEDs were developed using precise indium control in quantum wells. These advanced micro-light-emitting diodes (micro-LEDs) show potential for microdisplays and visible light communication.
Area of Science:
- Materials Science
- Optoelectronics
- Semiconductor Physics
Background:
- Micro-LED technology is crucial for next-generation displays and communication.
- Achieving high efficiency and specific wavelengths (yellow, red) in micro-LEDs remains a challenge.
Purpose of the Study:
- To demonstrate a method for fabricating high-performance yellow and red micro-LEDs.
- To optimize indium content in hybrid quantum well structures for enhanced performance.
Main Methods:
- Utilized a hybrid quantum well structure with six core technologies.
- Precisely controlled indium composition within the quantum wells.
- Fabricated 30 μm × 8 μm micro-LED arrays.
Main Results:
- Achieved maximum external quantum efficiencies (EQE) of 11.56% for yellow and 5.47% for red micro-LEDs.
- Demonstrated robust stripe bandwidth in the developed micro-LEDs.
- Yellow micro-LEDs reached data rates over 1 Gbit/s (NRZ-OOK) and 1.5 Gbit/s (OFDM).
Conclusions:
- Precise indium control in hybrid quantum wells enables high-performance long-wavelength micro-LEDs.
- The developed InGaN-based micro-LEDs are suitable for full-color microdisplays.
- These micro-LEDs show significant promise for visible light communication applications.
