Micro LED, the next generation display technology, has lighten up a new path for the LED industry. As global key players continue to jump on the Micro LED bandwagon, a whole supply chain has gradually taken shape. The development process of related applications has been ramped up, making possible an earlier than expected volume production for Micro LED-based large screen TVs. However, there are still many challenges lying ahead of commercial developments. Among them, two key elements play a pivotal role.