(AP) -- Light-emitting diodes, or LEDs, are starting to become cost-effective alternatives to standard light bulbs and fluorescent tubes. That opens up some interesting possibilities, such as the combination LED light and ...
Hi Tech & Innovation
May 12, 2010
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University of Pittsburgh researchers have conducted the first cradle-to-grave assessment of light-emitting diode (LED) streetlights and determined that the increasingly popular lamps strike the best balance between brightness, ...
Energy & Green Tech
Mar 8, 2010
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(Phys.org) —Tomatoes can contain more vitamin C if they are exposed to extra light from LED lamps while growing on the plant. This has been proven by research by Wageningen UR Greenhouse Horticulture in collaboration with ...
Biotechnology
May 9, 2013
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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
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(AP)—The first LED bulbs that are about the same size and brightness as regular 100-watt bulbs are reaching stores. They provide an alternative to compact fluorescents after the federal government banned the production ...
Energy & Green Tech
Nov 12, 2012
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Technology developed at the Department of Energy's Oak Ridge National Laboratory that extends the life of light-emitting diode lamps has been licensed to LED North America.
Engineering
Aug 27, 2010
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OLEDs – thin, light-emitting surfaces – are regarded as the light sources of the future. White OLEDs consist of stacked, ultra-thin layers, each emitting its own light color, all together resulting in white light. Up ...
Engineering
Apr 15, 2013
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Osram Opto Semiconductors has developed an infrared light-emitting diode (IRED) for use in very thin optical touchscreens. Called the SFH 4053, the small new lamps are housed in a frame surrounding a display. The lamps create ...
Electronics & Semiconductors
Sep 16, 2011
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When comparing LEDs to incandescent light bulbs, there is a noticeable difference in light quality: LED lamps when dimmed are perceived to be "colder" than incandescents. At CES 2013 this week, NXP Semiconductors is demonstrating ...
Engineering
Jan 10, 2013
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A team of researchers from Germany, Italy, and the USA have shown that observations of stellar visibility by citizen scientists accurately measure the brightness of the night sky. The researchers published their results Thursday ...
Space Exploration
May 21, 2013
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