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LIGHT + BUILDING / PERSPECTIVE


Admir Jukanovic, Associate at lighting design practice Mindseye, gives his verdict on an exhibition now dominated by LED.


SOURCE OF INSPIRATION


2010’s Light+Building saw the LED light source emerging as a serious alternative to other point light sources, while it seems that this year’s show offered centre stage for the linear LED trying to catch up or overtake the good old T5 while preparing itself to conquer new shapes.


Design around the LED & Tunable white Whilst wandering through the endless cor- ridors of the fair, one realises very quickly that every company has switched to LEDs. The standard approach that most manufac- turers have taken is to use their existing fitting and offer LED as ‘another lamp’ within their product range. This approach, whilst understandable, is just a compromise solution, creating unwanted higher recessed depth or multiple light spots. Many manufacturers, however, have learned to design their fittings around the LED. This did not lead to an instantly visible aestheti- cal revolution, but we have seen a matur- ing of the fittings and a miniaturisation of downlights, as with Oty’s 4.8W 30mm down- light called POP P00. Here the manufacturer has gone the additional mile and designed their fitting around the LED, keeping the fitting small. Zumtobel’s Panos Infinity, on the other hand, is a well-rounded matured product and the benefits of designing around the LED are instantly visible. The LED fitting of- fers many output options, is highly efficient and has a recessed depth of 100mm - all well designed around the attributes of an LED. The same fitting now offers a tunable white light, which increasingly seems to become a standard option. Oktalite’s Fano IP, for example, allows a dy- namic white colour adjustment adding red, blue and green to the white making it more suitable for the retail world setting various products into the ‘right’ light.


Better than a T5 thanks to lenses? The line of light created with a diffused linear fluorescent T5 is a widely used lighting tool and has established itself in various widths, ranging from 60 - 150mm. The usage of a slimmer LED line of light is increasingly popular. While previously used


mainly in details or as marker lights, they are starting to make their way upwards into the ceiling. Slim LED lines of light are available in 30–45mm widths. At this year’s Light+Building, many companies have introduced high level linear LEDs, introduc- ing light shaping; sheets or extruded lenses and a close LED pitch to distribute the light more efficiently, to avoid the LED dot image and to control glare.


Unlike previous LED fittings, their main use is for room illumination, looking to replace the previous T5 lines of light. Trilux’s Cori- flex is a highly efficient linear LED solution generating 105lm/W thanks to its efficient lens extrusions directing the light where it needs to go with minimal losses. More and more luminaire manufacturers have decided to expose the lens and the single LED ‘celebrating’ it rather then hid- ing it. The LED becomes a feature. In fact it seems that the LED has led to the re-dis- covery of the lens and its potential for this type of light source. Insta’s Glow introduces several lenses into a linear profile.


Aesthetic Revolution


Most of the solutions mentioned above are changes in the technical or dimensional aspect of the luminaire, but rarely creating a new aesthetical language. More and more companies however are starting to discover the potential of LED in creating a product that deviates from the norm. Artemide’s Cata is worth mentioning as it uses a system to collimate the light beam mirroring it back into the space. A fitting that not only looks astonishingly different but also offers a good quality light. The lighting industry has clearly thrived and invested in the last two years. Many of the companies have been busy innovating and designing around the new technology. Often it has resulted in interesting solutions not shown in this report but they are clearly letting one look forward to the next fair in 2014. www.mindseye3d.com


Insta Glow Oty POP P00


Panos Infinity


Oktalite Fano IP


Artemide Cata


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