A new semiconductor laser developed at Yale has the potential to significantly improve the imaging quality of the next generation of high-tech microscopes, laser projectors, photolithography, holography, and biomedical imaging.
Optics & Photonics
Jan 19, 2015
0
905
Organic semiconductors are prized for light emitting diodes (LEDs), field effect transistors (FETs) and photovoltaic cells. As they can be printed from solution, they provide a highly scalable, cost-effective alternative ...
Nanomaterials
Jan 16, 2015
0
778
In a step that could lead to longer battery life in smartphones and lower power consumption for large-screen televisions, researchers at the University of Michigan have extended the lifetime of blue organic light emitting ...
Engineering
Sep 25, 2014
3
0
Princeton University researchers have developed a new method to increase the brightness, efficiency and clarity of LEDs, which are widely used on smartphones and portable electronics as well as becoming increasingly common ...
Engineering
Sep 24, 2014
0
1
For 13 years the mystery has remained unsolved, but now Negar Sani, Ph.D. student at Linköping University's Laboratory of Organic Electronics, Campus Norrköping, has succeeded in explaining how a printed diode can function ...
Engineering
Jul 7, 2014
0
0
The most common kind of light bulb in the United States—the incandescent—is only about 5 percent efficient. The phosphorescent organic light-emitting diode, on the other hand, makes light out of 100 percent of the electricity ...
Energy & Green Tech
Jun 20, 2014
5
0
With precarious particles called polaritons that straddle the worlds of light and matter, University of Michigan researchers have demonstrated a new, practical and potentially more efficient way to make a coherent laser-like ...
Optics & Photonics
Jun 5, 2014
8
0
Scientists are facing a number of barriers as they try to develop circuits that are microscopic in size, including how to reliably control the current that flows through a circuit that is the width of a single molecule.
Nanophysics
Apr 21, 2014
0
0
At St. Paul's Cathedral in London, a section of the dome called the Whispering Gallery makes a whisper audible from the other side of the dome as a result of the way sound waves travel around the curved surface. Researchers ...
Optics & Photonics
Apr 6, 2014
2
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
