Technology#07 in March 2026 EditionA monolithic integrated micro-LED display driver CMOS backplane with 10,000 pixels per inch resolution
Bo-Wen Sun, Kavita Rao, Christopher Jenkins et al.
OPENSTEM EDITORIAL SUMMARY
What the research examines
This work details the wafer-scale monolithic bonding of gallium nitride (GaN) micro-LED arrays directly onto high-voltage 28-nanometer CMOS driver backplanes, achieving 10,000 pixels per inch and peak luminance exceeding 1,500,000 nits.
Why it may matter
Solves resolution and brightness bottlenecks for compact augmented reality (AR) smart glasses and optical holographic displays.
What to examine carefully
Non-radiative surface recombination at micro-LED mesa sidewalls degrades quantum efficiency as pixel size shrinks below 2 micrometers.
Editorial scope: This is a concise, independently written introduction based on the publisher information, not a full systematic review or independent replication. It must not replace reading the original methods, limitations and conclusions.
STUDENT RESEARCH LENS · ORIGINAL OPENSTEM NOTES
Try a small, reproducible follow-up
Calculate micro-LED current density-voltage characteristics and model thermal dissipation using COMSOL Multiphysics.
Questions to investigate
- How was wafer-to-wafer sub-micron alignment accuracy maintained during thermo-compression bonding?
- What sidewall chemical passivation technique mitigated surface trap-assisted recombination?
These are independently proposed educational investigations, not activities that the original research authors claim to have completed.
Publication & researcher information
JournalIEEE Transactions on Electron Devices
Published online2026-03-11
Authors (selected)Bo-Wen Sun, Kavita Rao, Christopher Jenkins et al.
University / laboratoryTaiwan Semiconductor Research Institute
CountryTaiwan
Multi-author research may involve universities in several countries. Unverified institutions and contact addresses are not inferred from authors' names.