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 ...

1 Center for Advanced Laser Technology, Hebei University of Technology, Tianjin, China 2 Hebei Key Laboratory of Advanced Laser Technology and Equipment, Tianjin, China AlGaN-based deep ultraviolet ...

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 ...

This illustration depicts the QAO family dopant integrated into the organic light-emitting diode structure. By designing a molecule with a lower HOMO level than that of the host material, the ...

HOLED UP AT home when no one else is looking, people indulge in their covert, sometimes embarrassing, self-care routines. One of the newest involves donning a mask that would make the greatest movie ...

Nick Draper receives funding from the Health Research Council, Cure Kids, the Neurological Foundation, Canterbury Medical Research Foundation, Pacific Radiology Group, the Maurice and Phyllis Paykel ...