News tagged with input power

LED's efficiency exceeds 100%

(PhysOrg.com) -- For the first time, researchers have demonstrated that an LED can emit more optical power than the electrical power it consumes. Although scientifically intriguing, the results won’t ...

Mar 05, 2012 4.2 / 5 (74) 60 | with audio podcast report

Boosting heat transfer with nanoglue

(Phys.org)—A team of interdisciplinary researchers at Rensselaer Polytechnic Institute has developed a new method for significantly increasing the heat transfer rate across two different materials. Results ...

Dec 04, 2012 5 / 5 (7) 0 | with audio podcast

Laser diodes versus LEDs

Solid-state lighting based on light-emitting diodes (LEDs) is the most efficient source of high color quality white light. Nevertheless, they show significant performance limitations such as the "efficiency ...

Nov 11, 2013 4.8 / 5 (4) 0