SMT multichip LEDs turn matrix headlights mainstream

SMT multichip LEDs turn matrix headlights mainstream

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The Oslon Black Flat S series is what Osram Opto Semiconductors claims to be the world’s first surface mountable LEDs with up to five individually controllable chips.
By Julien Happich


Thanks also to the contrast ratio provided by the package, they are predestined for use in ADB (Adaptive Driving Beam) headlights. Switchable light segments enable oncoming traffic and traffic further ahead on the road to be masked out, making driving more comfortable and safer. Other adaptive LED front lighting functions such as cornering light and city light could be implemented with the Oslon Black Flat S – without the need for any mechanical elements.

With their improved thermal properties, these high-power LEDs offer system benefits and are suitable as an attractive entry-level ADB solution even for vehicles in the compact class. The 3-chip version in the Oslon Black Flat S series has been available since October 2016, and versions with four and five chips will be available from January 2017.

The chips are individually controllable and offer very high contrast between neighbouring chips. In a recent R&D project with other companies, Osram has already demonstrated 1.024 pixels white LEDs for high-end cars, but the Oslon Black Flat S devices could make adaptive headlights mainstream if adopted by entry-level and compact car classes. The high current load of up to 1.5 amperes provides sufficient light on the road from only three segments, and produces as much as 2,000 lumen from the 5-chip version.

Visit Osram Opto Semiconductors at

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