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 While LEDs are mostly driven by current sources, there are also several applications where constant voltage drivers are used. In that case current limiting resistors are mandatory. But that raises the question which resistor is the right one to guarantee reliable and accurate control while not compromising efficiency. Phil Ebbert, VP of Engineering at Riedon Inc. explains what to take care of and how to determine the correct parameters. Read more »
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 Aboard a state-of-the-art aircraft might be the last place you would think of yourself enjoying a warm "candlelit" dinner, followed by a good night's sleep under a starry night sky. The truth is, the latest aircraft cabins seek to provide just that - a revolutionary in-flight experience through the use of mood lighting. Mood lighting uses the full spectrum of colors and the ability to change these colors continuously with LEDs to mimic or enhance a sunrise morning or a bright, fresh afternoon ... Read more »
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 Following its endorsement of ZigBee Light Link as the preferred common open standard for residential connected lighting applications, The Connected Lighting Alliance announced today the launch of a new initiative focused on the indoor professional lighting market. The Alliance will analyze market requirements for indoor professional lighting applications and identify standard development organizations to engage with. As an open association, the Alliance invites interested companies to join the ... Read more »
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Luminit's DTF is a non-symmetrical linear micro prismatic that imparts a 20 degree  shift in the angle of a semi-collimated light source. The DTF works well with LED light sources that utilize secondary optics. Some applications include recessed can lights to allow more wall washing, pathway/stairway lighting and pool lighting.
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 Intematix Corporation, a leading manufacturer of phosphor solutions for LED lighting, today announced the commercial availability of ChromaLit® Linear, a remote phosphor offering uniform luminance over any length, high flux density and a sleek, white off-state finish. This product received the Lux Award by Lux Magazine for Light Source Innovation of the Year and recognition by the Illuminating Engineering Society (IES) in its Progress Report featuring the most promising new lighting products. Read more »
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 Today Philips Lumileds introduces LUXEON TX emitters. This next generation of high-power emitters delivers the highest luminous flux available, with maximum efficacy, for a variety of directional and omnidirectional lighting applications. "These emitters are truly transformative in that they enable customers to achieve performance metrics - such as a true 50 W equivalent MR16 lamp at 2700 K that meets ERP/DIM2 requirements - which LEDs simply could not meet previously," said Kathleen Hartnett, ... Read more »
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 Excessive heat generation is one of the main reasons why light-emitting diodes fail. With the Oslon Square, Osram Opto Semiconductors presents an LED that withstands high ambient temperatures particularly well. To ensure that the colors of several LEDs in a luminaire remain uniform even at higher temperatures, they are measured and binned at 85 degrees Celsius (° C), a temperature that comes very close to that encountered in lighting applications within buildings, in everything from spotlights ... Read more »
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 Plessey announced today availability of its next generation GaN-on-Silicon mid-power LEDs. The product family doubles the efficacy of Plessey's first generation MAGIC™ (Manufactured on GaN-on-Si I/C) products released in February 2013. Using standard silicon semiconductor production techniques, Plessey is able to achieve high flux output LED products at substantially lower cost. The PLW114050 is the first in a family of entry level LED lighting products that will be released. Read more »
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