Scientists from Tohoku University in Japan have developed a new type of energy efficient flat light source based on carbon nanotubes. The new flat panel technology has a very low power consumption of around 0.1 Watt for every hour’s operation making them about a hundred times lower in energy consumption than an LED. With only […]

Rensselaer Polytechnic Institute researchers have identified the mechanism behind a plague of LED light bulbs.  The problem is called “efficiency droop” that causes LEDs to lose up to 20 percent of their efficiency as they are subjected to greater electrical currents. Efficiency droop, first reported in 1999, has been a key obstacle in the development […]

Regular readers know the LED and its organic OLED cousin are getting poised to compete with the compact florescent and incandescent light sources.  The past few days has seen two OLED breakthroughs that are quite similar and worth a very close look. Current OLEDs are made of glass substrates and encapsulated between two layers of […]

Many expect that LED technology is the electric light source for the future.  It would be a very good bet.  LEDs offer very low power consumption and long life.  The current downside is the initial investment and the replacement cost projection.  The economics work, but it takes years. University of Miami professor at the College […]

Doubling Up LED Output

February 1, 2011 | 2 Comments

Dr. Salah Bedair, a professor of electrical and computer engineering at North Carolina State University and co-author materials science professor Nadia El-Masry have developed a new LED building technique that reduces defects in the gallium nitride (GaN) films used to create LEDs, making them more efficient. Bedair explains, LED lighting relies on GaN thin films […]

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