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WEBCAST: Thermal Management of LED Lighting Applications
This free Webcast, presented by Garry Wexler of The Bergquist Company, will identify various types of thermal interface materials commonly used in lighting system designs. Specific ways to address designs with lowest total cost in mind will also be included.
Philips Lumileds announces Luxeon Q LED, pushes efficacy
The new Luxeon Q family is based on the company's flip-chip die announced back in February that, combined with new light extraction and conversion features, delivers high efficacy especially at high drive currents.
OLED research: Colnatec and Novaled partner, University of Utah pursues white OLEDs
Novaled and Colnatec hope to control film thickness with novel sensing technology on OLED roll-to-roll production lines, while researchers at the University of Utah have tuned a plastic polymer that could yield true white OLEDs.
LED system evaluation yields quality analysis (MAGAZINE)
SSL product development goes far beyond the LEDs and driver electronics, and Richie Richards explains how to evaluate the detailed design elements such as materials choices, thermal management, and compatibility issues that can in turn lead to optimal lighting products.
Cost-reduced AlN delivers thermals needed in HB LED packages (MAGAZINE)
Jonathan Harris explains that a new approach to aluminum nitride ceramics can draw near the price point of alumina packages while offering sufficient thermal performance for HB LED packages.
Packaged LED discussion provides rousing start at The LED Show (MAGAZINE)
Cree, Philips Lumileds, and Nichia presented conflicting views on the future of packaged LEDs, although all agree that the components will continue to advance, and SSL system design is the key to better lighting products, reports Maury Wright.
LED manufacturing news: Azzurro and Air Water pursue alternate LED substrate strategies
Azzurro has announced both production and lab milestones in wavelength variation using its GaN-on-Si LED template wafers and Air Water is working on a GaN-on-SiC-on-Si architecture with a new Aixtron MOCVD reactor.
LED business news: Osram and Sharp; Zumtobel exec and business changes
Osram and Sharp have cross-licensed LED and laser-diode patents, while Zumtobel appoints a new CEO and its Tridonic business completes the sale of its magnetic ballast plant in Australia.
Intematix announces lumen maintenance milestone for remote-phosphor LED system
The phosphor specialist has demonstrated what is essentially equivalent to LM-80 testing for packaged LEDs, with a sample set of remote-phosphor-based SSL modules being independently verified in delivering 100% of initial lumens over 6000 hours.
DOE publishes fact sheet on the lifetime and reliability of LED-based lighting
The US Department of Energy has published a new report that examines lifetime and reliability of SSL products and makes it clear that current standards fall short of providing an accepted way of defining system life.