Osram Opto Semiconductors warm light LED
Osram Opto Semiconductors has developed an LED with high efficiency, good colour rendering and a warm white light. The prototype is the first to offer the three important properties that together are essential for general illumination applications: a colour temperature of 3000 K, a colour rendering index of 82 and an efficiency of 104 lm/W.
Until now, it is claimed, efficiencies exceeding 100 lm/W have been achieved only in the cold white spectrum.
At 3000 K, the light colour of the LED is similar to that of a halogen lamp. Its colour location is precisely on the Planckian curve and the light is exactly white showing no shift to the green spectral region.
With an operating current of 350 mA and a chip surface of 1 mm2, the prototype achieves a brightness of 124 lm, which corresponds to an efficiency of 104 lm/W.
Phone: 02 9481 8399
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