What are the names of the materials used to make different colour LEDs (i.e. red, green, yellow, infra, etc.)? - Quora
![Monolithic integration of AlGaInP-based red and InGaN-based green LEDs via adhesive bonding for multicolor emission | Scientific Reports Monolithic integration of AlGaInP-based red and InGaN-based green LEDs via adhesive bonding for multicolor emission | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-017-11239-4/MediaObjects/41598_2017_11239_Fig1_HTML.jpg)
Monolithic integration of AlGaInP-based red and InGaN-based green LEDs via adhesive bonding for multicolor emission | Scientific Reports
2000 PPI silicon-based AlGaInP red micro-LED arrays fabricated via wafer bonding and epilayer lift-off
![a) GaAs substrate epitaxial wafer, (b) GaP layer roughening, (c) Al 2... | Download Scientific Diagram a) GaAs substrate epitaxial wafer, (b) GaP layer roughening, (c) Al 2... | Download Scientific Diagram](https://www.researchgate.net/profile/Jin-Tao-8/publication/336721085/figure/fig1/AS:819528195903488@1572402156222/a-GaAs-substrate-epitaxial-wafer-b-GaP-layer-roughening-c-Al-2-O-3-film.png)