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| VIDEO: Introducing LinkSwitch-PH and LinkSwitch-PL |
| LinkSwitch-PH simplifies offline LED driver designs requiring flicker-free TRIAC dimming, high power factor, and high efficiency. |
| LED retrofit lamp selection grows at LFI (MAGAZINE) |
| At Lightfair International this year, LED retrofit lamps were all the rage. Companies already offering LED retrofit lamps were joined by several large companies, including Sharp and Toshiba. |
| Efficient LED planar lighting begins at the light source (MAGAZINE) |
| LED planar lighting is a new product category that uses LED technology to create large, flat surfaces of uniform light in a highly efficient way, writes ITAI COHEN. |
| LED DESIGN FORUM: A three-stage power supply efficiently drives multiple LED strings (MAGAZINE) |
| A PFC stage, an inverted constant-current buck regulator, and a downstream DC/DC transformer circuit can drive LEDs with better than 90% efficiency says JAMES ALIBERTI. |
| Recessed LED accent lighting offers powerful potential for interior spaces (MAGAZINE) |
| Advances in the design of LED accent lighting fixtures could open up a largely
untapped market, explains AL NEAR, senior VP of sales and marketing with USAI. |
| Focus on Outdoor Lighting (MAGAZINE) |
| New outdoor projects and studies dominate this month’s Focus On feature. |
| Bringing down the cost of high-volume LED production (MAGAZINE) |
| Collaborative efforts and government-funded research projects are targeting significant improvements in LED manufacturing costs, writes PAULA DOE. |
| LED-based T8 replacement tubes struggle as fluorescent retrofits (MAGAZINE) |
| Early LED replacements for 4-ft, linear fluorescent T8 tubes don’t deliver sufficient light output to make them cost-effective SSL retrofits, but the products will get better along with LED improvements says MAURY WRIGHT. |
| Navigating uncharted waters: new challenges in specifying LED luminaire lifetime (MAGAZINE) |
| Understanding and quantifying the behavior of a single LED, and calculating how this will affect a system with multiple LEDs, are crucial if lighting companies are to set their system warranty level correctly and assess the cost of failures potentially occurring within the warranty period, writes FRANCOIS MIRAND. |
| Light+Building showcases sophisticated LEDs(MAGAZINE) |
| With more than 180,000 visitors, no-one can deny the status of Light+Building, held this year in mid-April in Frankfurt, Germany, as one of the world’s pre-eminent tradeshows for the lighting industry. TIM WHITAKER reports. |
| LEDs Magazine May/June 2010 issue |
| The May/June 2010 issue of LEDs Magazine is now available. |
