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    LEDs Magazine Review – July 2005

    July 20, 2005
    The July 2005 issue of LEDs Magazine Review contains a large number of feature articles, as well as news & analysis.
    Content Dam Leds En Articles Print Volume 2 Issue 7 Features Leds Magazine Review July 2005 Leftcolumn Article Thumbnailimage File

    RESIDENTIAL LIGHTING
    LEDs for general illumination: Energy codes, lumens per watt and the rest of the story
    Jeff Schwartz, a Lighting Technical Specialist with ICF Consulting, discusses the requirements for LED-based lighting products to gain approval under regulations such as the Energy Star scheme and California's Title 24.

    Julyphilips

    ARCHITECTURAL LIGHTINGDesigner-friendly LED luminaires expand conceptual optionsSolid-state lighting opens up a whole series of possibilities limited only by our imagination, writes Ian Mills of Philips Lighting.

    VEHICLES
    Automotive industry embraces LED use for forward lighting
    The introduction of higher-flux LED systems and standardized modules is likely to help automotive forward lighting follow the development path of rear lamps, writes Deval Desai.

    INDUSTRY GROUPS
    NEMA and ASSIST focus on solid-state lighting penetration
    Industry organizations such as ASSIST and NEMA's solid-state lighting section fulfill an essential as the technology moves towards the marketplace. LEDs Magazine spoke with Chips Chipalkatti from Osram Sylvania about the activities of these groups.

    Julytir
    LIGHTING PRODUCTSTIR Systems unveils Lexel lighting platformTIR has built a platform for solid-state lighting which incorporates key advances in thermal management, optics and color control.

    DRIVERS
    Constant-current drivers provide power for automotive LED lighting
    In automotive lighting and signaling applications, high-brightness LEDs cannot be powered directly from the battery but require specialized power converters delivering constant-current output. As Ahmed Masood of Supertex describes, a crucial aspect is to ensure that the LED driver is immune to conducted electrical disturbances.

    Julyheptagon
    PACKAGING & OPTICSMicro-optics for LED lighting in consumer productsIn consumer products such as mobile phones, module size and electrical power limitations impose major challenges for the design of optics for efficient beam-shaping of the Lambertian LED output. Diffractive micro-optics can play an important role in meeting these requirements.

    RESEARCH PROJECTS
    Hybrid fixture lights up the night
    Working with various partners, California Lighting Technology Center has developed a hybrid LED/incandescent fixture with a motion detector, which is now being applied to pathway and security lighting.

    Julybrill

    DISPLAYSLED Dragon breathes fire in Japanese attraction A fantastic 40-foot tower featuring two intertwining LED displays is the highlight of a Japanese spa.

    INTERVIEW
    LEDs face challenges for urban lighting
    Carl Gardner, a lighting designer based in the UK, is currently involved in a city square regeneration project. The project, says Gardner, has focused his mind on the issues associated with using LEDs in this type of architectural lighting application.

    INTERIOR LIGHTING
    Ambient Experience: LEDs go to hospital
    Philips Solid State Lighting has developed an LED lighting scheme which creates a more patient-friendly and efficient hospital environment, as Luc van der Poel describes.

    Plus…news & analysis, recent product innovations, and more.