Australian clean technology innovator,BluGlass Limited announced today that it is now producing n-type gallium nitride(GaN)films with demonstrated industry equivalent performance properties using its breakthrough low temperature Remote ...
Researchers in China have improved LED power output and droop behavior in nitride semiconductor light-emitting diodes (LEDs) by including an electron-emitting layer under the active region [Jianbao Zhang et al, Appl. Phys. Express, vol5, ...
EAST CLEVELAND, Ohio — October 9, 2012 — (NYSE:GE) — Fifty years ago today, 33-year-old GE scientist Dr. Nick Holonyak, Jr., invented the first practical visible-spectrum light-emitting diode (LED), a device that GE ...
Tags: LED Inventor, LED, LED systems, CFLs
Along with the long-awaited iPad Mini announcement today,Apple revealed what it called its Fusion Drive,which combines the high performance of NAND flash memory with the storage capacity of a hard disk drive(HDD). The Fusion Drive will be ...
Tags: Apple, Hybrid Drive, Mac, HDD, Fusion Drive
Fifty years ago today, 33-year-old GE scientist Dr. Nick Holonyak, Jr., invented the first practical visible-spectrum light-emitting diode (LED), a device that GE colleagues at the time called "the magic one" because its light, unlike ...
Tags: LED Lighting
LEDs - or Light-Emitting Diodes – are semiconductors that generate narrow-spectrum light when electrically biased in the forward direction of the p-n junction. This effect is a form of electroluminescence. A single LED is often a ...
Tags: LED
In medical diagnostics,protective lead aprons,lead gloves and lead thyroid shields contain lead to shield the wearer from radiation.Lead aprons and other lead clothing are placed between the person being protected and the x-ray source(for ...
Tags: Medical Diagnostics Industry, Lead Clothing, Protect, Medical
MIT researchers have found a way to observe how electrons move in the class of materials known as topological insulators. Topological insulators are exotic materials,discovered just a few years ago,in which the electrons demonstrate ...
Tags: MIT, Electrons, Topological Insulators
When I first approached this feature I thought that a test of several power options would be the right way to deliver some useful verdicts on performance and value. Then the reality sunk in about the vast range of options available and the ...
Tags: solar power, wind-up lighting, feature
Taiwan researchers have achieved a reduction in luminous efficiency droop from 42%to 7%by inserting p-type indium gallium nitride(p-InGaN)between the active light-emitting and electron-blocking layers of a nitride semiconductor ...
Scientists from the University of Bristol have developed a quantum silicon chip that they say guarantees"absolute security"for computers and smartphones.The technology could be available commercially in less than five years. Unlike ...
Tags: IBM, Security, Physics, Quantum Silicon Chip
Florida team sets new ultrashort pulse record 04 Sep 2012 Laser pulse lasting just 67 attoseconds improves on previous best of 80 attoseconds set by German team in 2008. Ultrafast worker:UCF's Zenghu Chang A new tool to watch quantum ...
Tags: pulse record, DOG, UCF team
US researchers aim to improve dye-sensitised solar cells,using carbon nanotubes and conductive polymers to ease electron extraction. This type of solar cell is easy to make,potentially flexible,but dogged by moderate efficiency. Drexler ...
Triangular quantum well injection boosts nitride LED efficiency by 80% The State Key Laboratory of Optoelectronic Materials and Technology of Sun Yat-sen University has reduced the forward voltages and increased the device efficiency of ...
Tags: LED
IBM is working with scientists at ETH Zurich to demonstrate the first-ever direct mapping of the formation of a persistent spin helix in a semiconductor.This has implications for the use of electron spins for storing,transporting and ...