New family of tiny crystals glow bright in LED lights
(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.
Giving LEDs a cozy, warm glow
When the 2014 Nobel Prize in physics was awarded this October to three Japanese-born scientists for the invention of blue light emitting diodes (LEDs), the prize committee declared LED lamps would light the ...
LEDs: Better red makes brighter white
Chemists at Ludwig-Maximilians-Universitaet (LMU) in Munich have developed a novel type of red phosphor material, which significantly enhances the performance of white-emitting LEDs.
Review: 'Smart' LED bulbs controlled by iPhones
LED bulbs seem to be the future of home lighting: They save electricity, they're durable and they don't contain mercury like compact fluorescents. But having them produce white light like any old light bulb ...
Security experts reveal weakness in WiFi connected LIFX light bulbs
Virtual blue skies brighten the office of the future
There is light at hand for those who toil away in a poorly-lit office. Scientists at the CeBIT high-tech fair have developed a system that gives the feeling of working outside under blue skies.
New research findings open door to zinc-oxide-based UV lasers, LED devices
(Phys.org) —Researchers from North Carolina State University have solved a long-standing materials science problem, making it possible to create new semiconductor devices using zinc oxide (ZnO) – including efficient ultraviolet ...
Two in one solution for low cost polymer LEDs and solar cells
UNIST researchers report considerable improvement in device performance of polymer-based optoelectronic devices. Published in Nature Photonics today, the new plasmonic material, can be applied to both polymer light-emitting diodes ...
Solar Cells with LEDs Provide Inexpensive Lighting
Samsung researchers announce breakthrough in growing gallium nitride LEDs on glass
A touch of gold makes glass more see through
(PhysOrg.com) -- Physicists at the King's College London have discovered a means of making glass more transparent - by coating it in a thin layer of gold.
Researchers describe how to cause older Apple computers to video record without turning on LED light
LED lights point shoppers in the right direction
Looking for an item in a large department store or mall can be like searching for a needle in a haystack, but that could change thanks to a hybrid location-identification system that uses radio frequency transmitters and ...
LED bulbs hit 100 watts as federal ban looms
Two leading makers of lighting products are showcasing LED bulbs that are bright enough to replace energy-guzzling 100-watt light bulbs set to disappear from stores in January.