Top experts review the latest patents they read and the latest papers
and lectures they attended at conferences; they then make a selection
of the most promising technologies and summarize in a few lines what
the substance you should take away with you.
Shaping the encapsulant material used to protect LED chips can help more of the light it produces escape and provide useful illumination. One of the major challenges still facing LED producers is minimising total internal reflection that keeps light in the chip and package. Transparent encapsulant materials protect the LED electronics, but they also have another role. They are usually chosen to...