News tagged with color stability
Building a better light bulb
Scientists study the movement of charge carriers to design an organic LED that is energy efficient and still casts a warm, natural glow.
Feb 01, 2012 |
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LED closes the yellow gap: Full conversion of blue into amber light by new nitride phosphor
(PhysOrg.com) -- Monochromatic light-emitting diodes cover a large part of the visible spectrum with high effi-ciency. For blue light, nitride diodes achieve external quantum efficiencies in excess of 65%, ...
Jul 23, 2009 |
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Search results for color stability
Copper-nickel nanowires could be perfect fit for printable electronics
While the Statue of Liberty and old pennies may continue to turn green, printed electronics and media screens made of copper nanowires will always keep their original color.
7 hours ago |
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Nasa's new carbon-counting instrument leaves the nest
(Phys.org) -- Its construction now complete, the science instrument that is the heart of NASA's Orbiting Carbon Observatory-2 (OCO-2) spacecraft - NASA's first mission dedicated to studying atmospheric carbon ...
Space & Earth / Earth Sciences
May 11, 2012 |
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Turing was right: Two proteins fit decades-old prediction
Today, Alan Turing is best known as the father of modern computer science, but in 1952 he sketched out a biological model in which two chemicals — an activator and an inhibitor — could interact to ...
Apr 24, 2012 |
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Quantum dot LEDs get brighter, more efficient
(Phys.org) -- While quantum dot-based light-emitting diodes (QLEDs) are not made of organic materials, they share many of the same advantages as organic LEDs (OLEDs). For instance, both QLEDs and OLEDs outshine ...
Nanotechnology / Nanomaterials
Apr 20, 2012 |
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No-photon laser: Physicists demonstrate 'superradiant' laser design
Physicists at JILA have demonstrated a novel "superradiant" laser design, which has the potential to be 100 to 1,000 times more stable than the best conventional visible lasers. This type of laser could boost ...
Apr 04, 2012 |
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Building lightweight trains
The less trains weigh, the more economical they are to run. A new material capable of withstanding even extreme stresses has now been developed. It is suitable for a variety of applications, not least diesel ...
Mar 28, 2012 |
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First look: New iPad's changes welcome, but a bit underwhelming
It's appropriate that Apple Inc. is calling the updated version of its hit tablet simply "the new iPad," rather than "iPad 3."
Electronics / Consumer & Gadgets
Mar 19, 2012 |
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'Star Comb' joins quest for Earthlike planets
(PhysOrg.com) -- If there is life on other planets, a laser frequency comb developed at the National Institute of Standards and Technology (NIST) may help find it.
Mar 07, 2012 |
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Robust approach for preparing polymer-coated quantum dots
Quantum dots (QDs) are tiny crystals of semiconducting material that produce fluorescence. The color or the wavelength of the fluorescence is dependent on the size, shape and composition of QDs. Larger QDs ...
Nanotechnology / Nanomaterials
Mar 01, 2012 |
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Scientists image the charge distribution within a single molecule for the first time
(PhysOrg.com) -- IBM scientists were able to measure for the first time how charge is distributed within a single molecule. This achievement will enable fundamental scientific insights into single-molecule ...
Feb 27, 2012 |
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List of search results for color stability
