Large-scale selective transfer printing technology for inorganic semiconductor micro-vacuum force LEDs

https://techxplore.com/news/2023-12-technology-microleds.html

"laser-induced etching forms arrays of 20 μm holes with high aspect ratio on glass substrates at fabrication speed of up to 7K holes/ s... connects to vacuum force selectively picking up and releasing microLEDs... higher adhesion switchability enabling use of various heterogeneous materials, sizes, shapes, and thicknesses onto arbitrary substrates with high transfer yields... displays' light source utilizing <100 μm sized LEDs with an ejector system: large screen TVs, flexible/stretchable devices, wearable phototherapy patches"