COMMENTARY
LED lighting under control
With heightened awareness of environmental issues and strained
public budgets, urban streetlighting is becoming the subject of
close scrutiny. In LEDs Magazine we’ve reported a number of trial
installations to evaluate the potential of LED fixtures, and the main
advantages of using LED outdoor lighting in urban municipalities
are discussed in the article below on Cities.
NEWS & ANALYSIS
• Radiohead tour is bulb-free with i-Pix LED fixtures
• Study finds US consumers warming to LEDs for energy-efficient lighting
• Bridgelux invests funding in LED chip capabilities
• Lighting Science Group teams with Acuity Brands, buys Lighting Partner
• Term starts for Cree's LED University program
• Zumtobel acquires Italian LED company SpaceCannon
• Dialight provides zero maintenance lighting for rigs
• Nexxus Lighting closes acquisition of Lumificient
THERMAL
Solving the system-level thermal management challenges of LEDs
Thermal management is critical to LED performance and life, so mechanical designers need to consider thermal issues from the earliest stages of the development process, writes John Parry of Flomerics.
PATENTS
Patent logic tree identifies key decision steps for filing
The crucial decision whether to file a patent should follow a logical, six-step decision process, explains patent attorney Marshall Honeyman.
OPTICS
Silicone lenses for LEDs resist UV and high-temperature operation
Plastic lenses can be degraded when coupled with very high-power LEDs, says Thomas Luce, but silicone materials offer a compelling alternative.
LIGHT+BUILDING
• Green light for LEDs at Light+Building fair in Frankfurt
Energy efficiency, green technology and LED lighting were central themes of Light+Building, the biennial trade fair that took place in Frankfurt in April.
• L+B: Viewpoints
We asked several Light+Building attendees for their views on the show.
• L+B: Products and technology
Light+Building showcased a range of new technologies, from LEDs, optics and drivers to lighting fixtures, and we've selected a few highlights.
Light+Building 2008: A Quick Tour of the Global Marketplace
Light+Building 2008 had the feel of a global marketplace, reports Vrinda Bhandarkar of Strategies Unlimited. Unlike the shows in the US, the booths were designed to conduct brisk business – accommodate customers who could talk to company representatives and close deals over food and drinks.
NATIONAL PROGRAMS
DOE and lighting designers discuss pros and cons of LEDs
The US Department of Energy believes lighting designers have an important role to play in overcoming the challenges that will lead to successful commercialization of solid-state lighting in the years to come, reports Julie MacShane.
DRIVERS
Prize-winning LED lamps demand high-efficiency LED drivers
The race to build replacement LED lamps for the Bright Tomorrow Lighting Prize will require the development of advanced LED drivers, according to Doug Bailey.
CITY LIGHTING
Cities realize advantage of LEDs
The LED street light demonstration in the city of Oakland highlighted many of the benefits that LED lighting can bring to municipalities, writes Kevin Orth. |