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Articles: Light

Search results: 24   Output: 11-20
  1. Margery Conner EE Times LED bulb prices are dropping. A year ago you could expect to pay $50 for a Philips dimmable 60W-replacement LED bulb, while today you can go to Best Buy and purchase its house brand 8W, 800 lumens Insignia 60W-replacement ...
    28-07-2014
  2. J ames Patterson, National Semiconductor EDN There are more than 2 million installed TRIAC dimmers worldwide, and they can prove a challenge to the control circuitry of an LED light. With such a large base, backward compatibility is a must. The ...
    31-01-2014
  3. Publitek Marketing Communications Digi-Key As rising energy prices take effect and legislation outlaws incandescent bulbs, homeowners are looking for more energy-efficient lighting that provides them with the quality of illumination and control ...
    29-01-2014
  4. Laura Peters LEDs Magazine AC-LED assemblies often can produce light output levels and efficacies of DC-LED assemblies, while eliminating the AC-to-DC converter. But can they move beyond niche applications? The concept of an AC LED is an elegant ...
    16-01-2014
  5. Margery Conner Almost two years ago I did my first LED teardown on a 7W LED bulb from Taiwanese manufacturer TESS. They sent me two bulbs, one in warm white and one cool. I tore down the cool white, and afterwards re-purposed it so that, minus its ...
    07-08-2012
  6. Rich Rosen, National Semiconductor Introduction The exponential growth of LED lighting has ushered in a vast selection of integrated circuit devices to provide controlled power to LEDs. No longer acceptable to an energy-conscious world, ...
    15-04-2012
  7. Rudi Hechfellner, Steve Landau Philips Lumileds Understanding and comparing LED performance appears straightforward: get the datasheets, compare numbers for light output, efficacy and lumen maintenance, and make a decision. Unfortunately, any ...
    01-03-2012
  8. Richard Comerford Examining one category ambient-light sensing represented by one of last January’s Product of the Year award winners, demonstrates how quickly some technology fields can alter course. Right after the awards were chosen, ...
    Sensors · Light » Vishay · TAOS » VCNL4000, TSL2772
    28-12-2011
  9. LED lighting has become increasingly popular within both businesses and homes, and there are many reasons why LED bulbs can be seen as preferable over traditional bulbs, including filaments, halogen bulbs and the new, low energy compact fluorescent ...
    21-12-2011
  10. Jeffrey Bausch Light-emitting diodes (LEDs) and electroluminescence have been around for more than a century. Henry Round, a British experimenter with Marconi Labs, first noted the emission of light in 1907 while using a crystal of silicon carbide ...
    08-12-2011
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