OSRAM Releases High-flux LED Prototype with a Feel-Good Effect

OSRAM Opto Semiconductors Thursday announced that it has developed a high-flux LED prototype with a feel-good effect in its laboratory. OSRAM claims that the prototype offers three important properties essential for general illumination applications, namely a color temperature of 3000 K, a color rendering index of 82 and an efficiency of 104lm/W.

A new converter mix that OSRAM is currently testing in its development laboratory provides a pleasant warm white light.

At 3000 K the light color of the LED is similar to that of a halogen lamp. Its color location is precisely on the Planckian curve. 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 1mm2 the prototype of the new single-chip LED achieves a brightness of 124 lm. This corresponds to an efficiency of 104lm/W.

According to OSRAM, the pleasant warm white light is the result of an advanced conversion process. The combination of excellent light quality and impressive efficiency is essential for the widespread use of LEDs for general illumination as the warm white light color is targeted specifically at the residential sector. Up to now, efficiencies in excess of 100 lm/W have been achieved only in the cold white spectrum.

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