112 TECHNOLOGY / LED


Top left A customised spot luminaire from Lichtvormgevers in The Netherlands was designed around an LED module system (such as the one above left) for the Mas Museum lighting scheme in Antwerp. The LEDs replaced an initial specification based on 100W halogen light sources. Top right The Crown roadway fitting by iGuzzini, a streetlighting fixture with a standard option that uses LED module light sources with a selection of different available optics and dimmable drivers. Above right The Philips Fortimo LED Line modules come as a system with the Xitanium 75W family of drivers in a linear housing matching T5 drivers, for easy incorporation in to existing luminaires.


some cases LED peak design boards. There is no legislation, norm or guideline that says a downlight that’s been a downlight for the last 20 years has to continue to be that downlight form factor for the next 20 years, but retrofitted with LED. A more innovative design approach might be that the lumi- naire designer thinks about and asks himself for each application... “Where do I want the light from the luminaire? What types of effect do I want to create, whilst still meet- ing local norms and regulations?” Then he can decide what type of light source is needed and which luminaire and optical form factors are therefore neces- sary. The freedom that the modular system technologies bring to the design process can help immensely here. The old forms aren’t necessarily the only way to do it anymore.


DESIGN INNOVATION


I see lots of glare and some pretty awful beam qualities far too often. I have also seen some excellent new designs. It is obvi- ous that the market has not yet settled on form factor designs or how to effectively


and efficiently design in LED technology on a day to day basis. Tim Downey, Senior Partner at leading UK-based lighting design company studio- Fractal, agrees: “The latest LED technolo- gies allow us to integrate lighting into all the surfaces in any space, permitting much greater flexibility, dramatic lighting effects and significantly reduced operating costs. We focus on how to get the light to exactly where it’s needed, utilising direct, indirect, focused and diffuse lighting techniques.” studioFractal has designed spaces that are perfectly lit but without a downlight in the ceiling in sight. Even more impressively, it is not immediately obvious to the users in these spaces where the light is really com- ing from. Downey adds, “Lighting technol- ogy is advancing at a far greater rate than many of the lighting equipment manufac- turers can handle. We often find ourselves with a new LED product – but no luminaire to put it in. We are also still seeing out- dated lighting products, designed around CFL or ceramic metal halide lamps – with retrofitted LEDs. These are simply not good


enough now. More and more we are design- ing specific lighting installations using the latest LED products but without traditional lighting fittings. We are designing more with translucent or reflective surfaces than we are with luminaires.”


The debate about where the innovation will come from regularly focuses on the light source manufacturers – along the lines of... “Come on guys, where’s your latest stuff, where’s the latest board, module, bin- ning technology?”. Well, it’s time to widen the lens and start to look to the luminaire manufacturers to ask a similar question... “How will you innovate with your designs using the freedom brought by light source technology like Fortimo?”. So, what’s coming next? Answers on a nap- kin to... Peter.Earle@philips.com


Pete Earle MSLL co-founded his own LED lighting company before merging it with a US manufacturer in 2007. He has a passion for new technologies and can presently be found working with Philips Lighting.


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