Osram reports 104 lm/W warm white LED prototype

Nov 5, 2009 Osram reports warm white LED prototype with 3000 K CCT, a color rendering index of 82 and an efficiency of 104 lm/W.

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 1 mm2 the prototype of the new single-chip LED achieves a brightness of 124 lm. This corresponds to an efficiency of 104 lm/W. These results are based on in-depth OSRAM know-how in providing a new chip architecture in conjunction with improvements in the epitaxial processes, improvements in the converter mix and a high efficiency package.

Osram 104 lm/W warm white LED prototype


Author:  Yaroslav Oleksenko

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