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200 TECHNOLOGY / THE ARC SHOW


“Personally, I prefer more focused shows that don’t sprawl endlessly over large numbers of halls and have stands the size of a large UK town and The ARC Show once again proved a more relaxed and intimate show experience. That said, there was a surprising number of interesting new LED products on show...”


colour when dimmed. Whilst this has been available in other products, ChromaWhite Tungsten plus is the only light source to provide this feature with the colour quality of light demanded in these applications. The new CLE module with ChromaWhite Tungsten+ technology also won the title of “Visitors Choice” in the ARC awards so must have been popular with visitors. Projection Lighting launched the new 2000lm Metropole spotlight, designed for the retail and architectural markets. This track-mounted fitting, shown in figure 7, features unique, light-weight 2-phase pas- sive cooling, customised by FrigoDynamics. Metropole has a professional range of ac- cessories and three beam angles, available in a range of colour temperatures (2700k, 3000k, 3500k, 4000k), colour rendition of up to CRI 98 (max 1000lm) and up to 2000lm. Fittings come in white or black. The eco-friendly, silent, 2-phase heat exchanger made by FrigoDynamics uses only disposable heat to initiate its heat transfer cycle. Interestingly AlphaLED is the first product range that claims to guarantee products for the quality of light over five years. They promise no noticeable colour shift and only 5 % lumen loss across the installation after five years. This is a massive leap in confi- dence for LED technology and shows how quickly LEDs are maturing to be not just more efficient but to also offer better qual- ity of light over traditional light sources. Toshiba presented the new generation E- Core 1600 LED downlight which incorporates Toshiba’s removable LightEngine LED light source. The LED light source is no longer integrated into the luminaire, which makes the E-Core 2000 future proof and reduces the amount of waste. Furthermore it allows the flex- ibility to change the colour temperature and beam angle easily to match the needs of the lit space. The LightEngine delivers highly efficient light with up to 1550 lumens from only 24W


giving you an efficacy of 65lm/W which is compliant to Part L and ECA criteria. With 40,000 hours life (L70), the LightEn- gine will last four times longer than a typi- cal CFL lamp. The E-Core 1600 also features on board dimming to maximise energy sav- ing potential, a UGR below 19, is available in white or silver finishes and also offers a choice of 45º or 85º beam angles.


THE IALD LED LIGHTING PANEL FORUM The IALD hosted the annual ARC LED light- ing forum and again the audience heard about the latest LED and OLED technology trends coming through the supply chain. This year I presented sound technical reasons why the LED lighting industry will become the dominant light source of choice in just a few years’ time for most lighting applications. The main reasons given were the rapid increase in LED efficacy at both the emitter and fixture levels as well as the ferocious drop in LED product prices as volumes take off. Controversially, I stated there would not be another lighting tech- nology after LEDs and OLEDs so those who claim another technology may appear to supplant (O)LEDs were disappointed. Again, I gave scientific and commercial reasoning behind my bold claims, but hopefully I will be still around in 20 years to take the glory or suffer the shame of being proven wrong!


The main questions that were asked of the panel included:


1) LED warranties and fixture lifetime There was concern amongst many in the audience that some early LED product that have been in installations for a couple of years are starting to fail for one reason or another. Several in the audience asked how could one easily assess an LED product for life- time, but in general the panel stated this is very difficult to determine in practice. There isn’t really a fixture life-time test standard and even the lumen maintenance


Figure 4: The new Megaman Tecoh MHx LED module to replace 35W metal halide lamps.


Figure 5: The new Megaman Tecoh CFx LED module to replace CFLs.


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