Temperature Stable Oslon SSL LED with Constant Efficiency

Oslon SSL-LEDs by OSRAM Opto Semiconductors stand for high light output. The new generation of high-power-LEDs will be appreciated by users for its improved performance, with an efficiency increase of approximately 25 percent. Additionally, the luminous flux of the LED at elevated temperatures has now been stabilised. In doing so, it is possible to retain a virtually constant luminous efficacy, despite high application temperatures. Thanks to this optimisation, the luminaire design is significantly simplified.

With the new generation of Oslon SSL LEDs, OSRAM Opto Semiconductors presents a particularly temperature stable light source. The LED provides a luminous flux of typically 98 lm in warm white (3,000 K), with an operating current of 350 mA at an application temperature of 85°C in the chip. With its typical luminous efficacy of 96 lm/W, referring to the ratio between luminous flux and expended electrical output, it is among the most efficient 1 mm2-Chip-LEDs presently to be found on the market. The combination of higher luminous flux and reduced forward voltage of 3.1 V equals an efficiency increase of approximately 25 percent, when compared with the previous generation. For manufacturers of lighting solutions, this makes luminaire development much easier: a smaller number of LEDs attains the same luminous flux, as well as the same efficiency as before.

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