Osram dnynamizes interior lighting

Osram dnynamizes interior lighting

Technology News |
By Christoph Hammerschmidt

Developers assume that with the progressive development towards autonomous driving, the design of vehicle interiors will gain in importance. Light will play a more dominant key role in interior design – it will assume both aesthetic and functional tasks. While light used to be a static function that could only be switched on and off, it now will get countless design possibilities for car manufacturers. Color control of LEDs will play a key role.

“In the future, the interior of vehicles will be more than just a driver’s cabin. It will be an extension of our living space where we can work and relax,” explains Stephan Pawlik, Marketing Manager Automotive Interior at Osram Opto Semiconductors. “In the future, installed light sources will be able to perform other functions in addition to ambient lighting. For example, they can use dynamic and color effects to help draw the driver’s attention to the traffic in good time.”

In anticipation of these new requirements, Osram Opto Semiconductor has launched the new Osire product family to make it easier to bring these new functions into the vehicle. As one of the first products, the prototype of the Osire E4633i will include a serially controllable driver from Inova Semiconductors in addition to the three color chips (red, green and blue). In the lighting solution, a large number of individual LEDs can now be controlled individually or in groups via a serial bus system. Together with the three color chips, this enables precise and uniform color representation throughout the entire color space or even dynamic lighting scenarios.

The control of the desired color and brightness has been simplified since the Osire E4633i is pre-calibrated and can automatically correct color shifts in the red range caused by temperature fluctuations. The LED has an extremely compact pre-mold SMT package, with a footprint of 4.6 mm x 3.3 mm x 0.7 mm. The compact housing and the connection via the serial bus system now allow implementations of several LEDs in a much smaller installation space.

The development of the RGB LED is the first fruit of Osram Opto Semiconductors’ entry into the Iseled Alliance (Integrated, Serial/Smart, Embedded, Light, Emitting, Diode). At Electronica (November 13-16, Munich), the company will present the latest developments in this field (Hall B, Booth 155).

Related articles:

Melexis, Osram Opto Semi join interior lighting alliance

ISELED – The LED goes Digital

LIN controller targets RGB LED applications in vehicle interior

The right balance: A glimpse to future car HMIs


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