White LEDs
6 July 2011
Opto-Electronics
OSRAM Opto Semiconductors has extended its low-power LED range with the new Duris E 3 family. The small dimensions and wide beam angle of these new LEDs make them well suited for applications that require uniform illumination, such as replacements for conventional fluorescent lamps in T5 or T8 luminaires. Duris E 3 has been designed specifically for applications that call for uniform distribution of light. The main areas of application are therefore lighting systems in industry, such as open-plan offices, production facilities, conference rooms and warehouses, as well as shop lighting and signage.
The LEDs’ small size of 3 x 1,4 mm means that they can be placed very close to one another, and their beam angle of 120° ensures that in closely packed arrays, the light from each LED overlaps that from its neighbour. The result is a uniform distribution of light where the individual points of light can no longer be seen; instead, the impression is of a single bright strip of light. The LEDs cover the entire white colour spectrum with colour temperatures from 3000 K to 6500 K. At a colour temperature of 5000 K, for example, it offers a CRI of 72 and an efficiency of around 110 lm/W.
For more information contact Ryan Hunt, OSRAM Opto Semiconductors, +27 (0)11 472 5264, [email protected], www.osram.co.za
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