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News tagged with led light

White LEDs with super-high luminous efficacy could satisfy all general lighting needs

(PhysOrg.com) -- Researchers from the Nichia Corporation in Tokushima, Japan, have set an ambitious goal: to develop a white LED that can replace every interior and exterior light bulb currently used in homes ...

Technology / Engineering

created Aug 31, 2010 | popularity 4.8 / 5 (50) | comments 34 | with audio podcast feature

OLED Tunes its Colors for Sunlight-Style Illumination

(PhysOrg.com) -- Scientists have developed a lighting device that can change its color temperature throughout the day, matching the natural daylight chromaticities produced by the sun. Currently, no other ...

Physics / General Physics

created Jul 16, 2009 | popularity 5 / 5 (39) | comments 15 feature

Low-cost LEDs to slash household electric bills

A new way of making LEDs could see household lighting bills reduced by up to 75% within five years.

Technology / Engineering

created Jan 29, 2009 | popularity 4.5 / 5 (33) | comments 30

Quantum-dot LED screens may soon rival OLEDs and LCDs

(PhysOrg.com) -- A partnership has been formed between US, South Korean and Belgian companies to develop quantum-dot light emitting diode (QLED) displays to rival the organic light emitting diode (OLED) markets ...

Technology / Hi Tech & Innovation

created Dec 13, 2010 | popularity 4.8 / 5 (30) | comments 28 | with audio podcast report

Soraa LED light may dim 50-watt halogen rivals

(PhysOrg.com) -- Soraa, a Fremont, California company founded in 2008, this week launched its first product, a light that uses LEDS (light emitting diodes). The "Soraa LED MR16 lamp" is the "perfect" replacement ...

Technology / Semiconductors

created Feb 09, 2012 | popularity 4.4 / 5 (27) | comments 24 | with audio podcast report

Smart Lighting: New LED Drops the 'Droop'

(PhysOrg.com) -- Researchers at Rensselaer Polytechnic Institute have developed and demonstrated a new type of light emitting diode (LED) with significantly improved lighting performance and energy efficiency.

Physics / General Physics

created Jan 12, 2009 | popularity 4.8 / 5 (24) | comments 14

LED light bulbs yield big savings in energy

One way the United States could slash its electricity use, dependence on fossil fuels and emissions of heat-trapping gases is really quite simple: better light bulbs.

Technology / Energy & Green Tech

created Aug 13, 2009 | popularity 4.8 / 5 (20) | comments 42

Nano-LEDs emit full visible spectrum of light

(PhysOrg.com) -- Physicists from Taiwan have designed and fabricated nano-sized light-emitting diodes (LEDs) that emit light spanning the entire visible spectrum. Although the tiny full-color LEDs aren't intended ...

Nanotechnology / Nanophysics

created Jun 17, 2011 | popularity 4.9 / 5 (18) | comments 2 | with audio podcast feature

Solar-powered LED light made of bottles

(PhysOrg.com) -- The Solarbulb, a new lighting gadget from miniWIZ, doesn't exactly come with all parts included: you have to add your own water or soda bottle. The LED Solarbulb screws onto just about any ...

Electronics / Consumer & Gadgets

created Jan 20, 2009 | popularity 3.3 / 5 (26) | comments 7 weblog

Solar Cells with LEDs Provide Inexpensive Lighting

(PhysOrg.com) -- Of the 1.5 billion people in developing countries who do not have electricity, many rely on kerosene lamps for light after the sun goes down. But now, researchers from Denmark have designed ...

Technology / Energy & Green Tech

created Nov 09, 2009 | popularity 4.3 / 5 (18) | comments 2 weblog

LED there be light

Q: How many LED engineers does it take to change a light bulb?

Technology / Hi Tech & Innovation

created Jun 22, 2009 | popularity 4.2 / 5 (18) | comments 3

Bridgelux demonstrates silicon substrate LED that produces 135 lumens per watt

(PhysOrg.com) -- Silicon substrate LED's are cool, but you won't find them in your TV, or in the headlights of your car. They simply do not throw off enough light to be used in commercial applications. Or, ...

Technology / Semiconductors

created Mar 09, 2011 | popularity 4.8 / 5 (16) | comments 22 | with audio podcast weblog

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.

Physics / General Physics

created Sep 27, 2011 | popularity 4.9 / 5 (13) | comments 16 | with audio podcast

Zeroing in on the elusive green LED

Researchers at Rensselaer Polytechnic Institute have developed a new method for manufacturing green-colored LEDs with greatly enhanced light output.

Physics / General Physics

created Apr 25, 2011 | popularity 5 / 5 (11) | comments 18 | with audio podcast

Tiny particles make LED light more pleasing

(AP) -- Light-emitting diodes are prime candidates for replacing inefficient incandescent bulbs, but have a few things working against them. They can provide a pleasing warm light or they can be energy-efficient, ...

Nanotechnology / Nanomaterials

created May 05, 2009 | popularity 4.9 / 5 (11) | comments 0