For display applications, Polar Light Technologies (PLT) — which stems from research by founder professor Per-Olof Holtz and his team at Sweden’s Linköping University — has created novel gallium nitride (GaN) pyramidal micro-LEDs that are directly bonded to indium pads on a silicon chip. This new method, where LEDs are built from the bottom up, avoids the surface damage seen in traditional top-down methods, resulting in much better optical performance...
Source: https://www.semiconductor-today.com/new ... 1024.shtml