The first graphene quantum dot light-emitting diodes (GQD-LEDs), fabricated by using high-quantum-yield graphene quantum dots through graphite intercalation compounds, exhibit luminance in excess of 1,000 cd/m2.
Nanomaterials
Jun 15, 2015
0
66
A switch to LED lights in refrigeration units could save the retail meat industry millions of dollars each year, according to research from Kansas State University.
Other
Jan 17, 2012
0
1
(Phys.org) —Minuscule crystals that glow different colors may be the missing ingredient for white LED lighting that illuminates homes and offices as effectively as natural sunlight.
General Physics
May 24, 2013
0
0
A research team of State Key Laboratory of Ultra-precision Machining Technology (Partner Laboratory in The Hong Kong Polytechnic University) and PolyU students has successfully developed the most energy-efficient Light Emitting ...
Energy & Green Tech
Mar 13, 2017
1
76
With a January deadline looming on a US law mandating energy efficiency standards for lightbulbs, some political forces don't want to turn out the lights.
Energy & Green Tech
Jun 26, 2011
89
0
Nanostructures half the breadth of a DNA strand could improve the efficiency of light emitting diodes (LEDs), especially in the "green gap," a portion of the spectrum where LED efficiency plunges, simulations at the U.S. ...
Nanophysics
Apr 4, 2014
3
0
How many researchers does it take to change a light bulb? And how many lives could they save by changing it?
Engineering
Mar 26, 2015
0
66
Light-emitting diodes, or LEDs, are nearly ubiquitous in modern life, providing the brightness in phone displays, televisions, and lights. A new form of LEDs, made of a class of materials called halide perovskites, promises ...
Materials Science
Aug 19, 2020
1
147
In this month's edition of Physics World, Paul Blom and Ton van Mol from the Holst Centre in Eindhoven describe a way of creating thin, flexible sheets of organic light-emitting diodes (OLEDs) using a cheap, newspaper-style ...
General Physics
Nov 1, 2011
3
0
University of Miami professor at the College of Engineering, Jizhou Song, has helped design an light-emitting diode (LED) light that uses an array of LEDs 100 times smaller than conventional LEDs. The new device has flexibility, ...
Engineering
Jun 20, 2011
0
0
