Alternative lighting is emerging as a potent method to combat the energy crisis. Light-emitting diode (LED) lighting technologies could provide an innovative way to save energy and make wasteful lighting obsolete.
Energy & Green Tech
Nov 17, 2011
8
0
(PhysOrg.com) -- A new process for creating ultrathin, ultrasmall inorganic light-emitting diodes (LEDs) and assembling them into large arrays offers new classes of lighting and display systems with interesting properties, ...
Engineering
Aug 20, 2009
3
0
From pterodactyls flying overhead in a game to virtually applying cosmetics prior to making a purchase, augmented reality and other immersive technologies are transforming how we play, observe, and learn. Cheap and ultra-small ...
Optics & Photonics
Sep 7, 2023
0
187
You could call it fatal attraction. Drawn by artificial lights in our brightening night-time world, animals find their lives in peril.
Ecology
Mar 27, 2018
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180
University of Florida researchers may help resolve the public debate over America's future light source of choice: Edison's incandescent bulb or the more energy efficient compact fluorescent lamp. It could be neither.
Optics & Photonics
Aug 31, 2011
3
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Energy-saving LED traffic lights seemed like a cool way to cut back on electricity costs, but Japanese police said Monday they might just be too cool—because they don't melt snow.
Energy & Green Tech
Feb 23, 2015
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Solid-state lighting pioneers long have held that replacing the inefficient Edison light bulb with more efficient solid-state light-emitting devices (LEDs) would lower electrical usage worldwide, not only "greenly" decreasing ...
General Physics
Aug 24, 2010
14
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Researchers from Dutch FOM Institute AMOLF, together with colleagues from Philips Research, Eindhoven University of Technology and Delft University of Technology, have made special nanostructures that could be used as light-emitting ...
Nanomaterials
Jul 1, 2011
1
0
Efficient near-infrared (NIR) light-emitting diodes of perovskite have been produced in a laboratory at Linköping University. The external quantum efficiency is 21.6 percent, which is a record. The results have been published ...
Optics & Photonics
Mar 29, 2019
2
299
LEDs are durable and save energy. Now researchers have found a way to make LED lamps even more compact while supplying more light than commercially available models. The key to success: transistors made of the semiconductor ...
Energy & Green Tech
Mar 4, 2014
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