A research team has developed a hierarchical-shell perovskite nanocrystal technology that simultaneously overcomes the ...

Now researchers in Japan have reported the world’s first continuous-wave UV-B semiconductor laser diode operating at room ...

Researchers at Kumamoto University have discovered that a purely inorganic crystal grown from water solution can emit ...

The organic light-emitting diode (OLED) technology behind flexible cell phones, curved monitors, and televisions could one ...

Researchers at Princeton and North Carolina State University have developed a technique that substantially improves the ...

Abstract: It is well known that inclined sidewall scattering structures can improve the light extraction efficiency (LEE) of micro deep ultraviolet (DUV) light-emitting diodes (LEDs). However, ...

If you’re shopping for a flashlight, you may think looking at how many lumens it puts out is the best way to determine quality or usefulness. It’s an understandable assumption, but that number in ...

Cars' headlights have come a long way since charming yet potentially dangerous acetylene headlamps debuted in vintage automobiles. The later halogen headlights are still around, but the world has ...

This ETH Zurich logo consists of 2,800 nano light-emitting diodes and, at a height of 20 micrometers, matches the size of a human cell.Amanda Paganini / ETH Zurich Swiss researchers have built organic ...

Our expert staff answers frequently asked questions in their areas of expertise and defines common terms so you can be a smarter shopper. Read more here. Red LED face masks have dominated the ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Light-emitting diodes offer a low-cost, power-efficient, and compact solution for ...