Single semiconductor LED dynamically switches between 4 distinct, stable primary emission colors at room temperature via voltage tuning

https://phys.org/news/2026-07-stable-room-temperature.html

"multi-wavelength single-chip emitters/ micro-LED displays have sub-pixel RGB spatial patterning requirements/ spectral drift and thermal quenching... overcome engineering energy band alignments/ charge-carrier injection profiles across quantum well heterostructures... room temperature voltage tuning, dense pixel packing, spatial light modulation, high-resolution/ efficiency, foundry-compatible simplified display backplane manufacturing... micro-LED displays, near-eye AR micro-displays"