133
Figure 2: LED Engin’s LEDPR018 LuxiTune with lens.
first intelligent, compact, single emitter light engine that delivers directional light with halogen-style dimming, hugging the black body curve from 3000K down to 1800K. Luminous flux is 1100 lumens, equiv- alent to a 60W halogen lamp. Luminous effi- cacy is 63 hot lumens per Watt including the secondary optic losses, far higher than that of rival products that utilize multiple emit- ters and reflectors. At full intensity, colour rendering index (CRI) is 90 and LuxiTune maintains a CRI average of 85 and R9 red content of 70 as it dims. With a diameter of 50mm, LuxiTune makes it quick and easy to create a compact lighting fixture that works with standard 0-10V dimmers or via a DMX interface. The LuxiTune light engine comprises a 12- die, compact single emitter with intelli- gent control circuit and complementary TIR optic. The die are matched to within 3 MacAdam ellipses (SDCM) and dimming tracks the black body curve to within three SDCM, producing consistent, natural light across the full dimming and CCT range. The unique, multi-layer ceramic substrate minimizes the package thermal resistance and provides an almost stress-free environ- ment for the chips providing effective heat dissipation and maximum light emission.
IMPROVED CFL REPLACEMENT Philips introduced the Fortimo LED Disk 800 lm Gen 3 dimmable module (see figure 3) to help manufacturers replace CFL compact down lighting that requires a high quality of light. The module offers the latest energy efficient LED technology and is very easy to design in, thanks to the integrated driver and primary optics (85D beam angle) and can be connected directly to the mains. Since the Fortimo LED Disk is an all-in-one
Figure 3: The new Philips Fortimo LED disk 800lm module.
integrated solution, just a small heat sink will be required to design a very nice com- pact downlight starting from only 7.5cm in height. Fixture manufacturers can make use of the newly added dimming feature (lead- ing edge) to always set the right ambience. This makes it a great solution for commer- cial applications such as restaurants, hotels, retail and small offices. The new generation furthermore offers an efficacy upgrade of 25% over previous generations and an increased lifetime of 50K hrs is possible (with a Tcase 60°C). This will meet the demands of most custom- ers seeking for lower energy consumption and maintenance cost. The Fortimo LED Disk 800lm now offers a complete range of colour temperatures (2700K, 3000K and
4000K). Figure 4: The Switch 60W Liquid Cooled LED lamp.
LIQUID-COOLED LED LAMPS Switch Lighting is an innovative ven- ture-backed start-up which is focussing on the LED retrofit lamp market but offers an innovative twist in that its LED bulbs are liquid-cooled for superior performance and long life-time compared to standard convection cooled LED lamps. Switch an- nounced several new products at Lightfair including the Switch Infinia, available in 40 and 60 watt-equivalent models with an average price to the end user of under $20. The SWITCH infinia is designed to exactly replace the look and performance of tradi- tional 40W and 60W incandescent A-Lamps, while saving up to 83% on energy costs. The Switch Infinia will be available in warm and cool colour temperatures (2700K and 5000K), will offer a full range of light distri- bution, and is covered by a 10 year residen- tial and three year commercial warranty. The Switch Infinia fits into standard light sockets, turns instantly on, and is dimma- ble. Unlike some LED replacement A-Lamps, it can be used in the same manner as any incandescent or compact fluorescent equivalent - in any orientation, any fixture, anywhere. All of Switch’s LED bulbs use an advanced LQD Cooling System which is an innovative blend of two proprietary technologies: a cooling liquid that bathes the LEDs inside the bulb, and a patented driver that is both reliable and highly efficient. The overall electronic design works to cool the LEDs, using the bulb’s entire surface to disperse heat. As a result, Switch LED bulbs offer up to 40% better thermal performance than air-cooled LED bulbs. Better thermal performance means the Switch lamps can
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