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TactoTek And Ams Osram Work On Interior Car Lighting

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Innovative in-mold process integrates side-looking automotive RGB LEDs into thin, smart structures

Finnish firm TactoTek and Ams Osram are working together to deliver thin, seamlessly integrated, three-dimensional illuminated structures for use inside cars.

The companies have developed a demonstrator with the new RGB side-looker LED OSIRE E5515 from Ams Osram, which thanks to TactoTek's in-mold structural electronics (IMSE) technology can be integrated into automotive interiors in a space-saving design.

Molded into a thin plastic trim part with TactoTek's IMSE technology, the Ams Osram RGB side-looker LED OSIRE E5515 allows lightweight and thin applications designed for car interiors. This combination enables designers to merge surface decoration, illumination, and functionality into one smart surface.

The OSIRE E5515 is a three-colour, RGB side emitter enabling light coupling into thin materials, such as lightguides. “The package design of Ams Osram's OSIRE E5515 enables ultra-compact designs and is optimised for the low height required for in-mold applications”, says Gerald Broneske, VP Global Product Marketing Automotive at Ams Osram.

"This offers customers flexible design options for automotive ambient lighting applications while benefiting from the outstanding brightness performance of the automotive RGB sidelooker.”

The LED has a performance of 1100 mcd for red, 2600 mcd for green and 500 mcd for the blue colour at 20 mA. Also, deep blue colours are available. The package provides 6 pins, so each colour's chip can be contacted to both its individual anode and cathode. This allows customers to be flexible with the electronics architecture for the driver and choose between high-side and low-side drivers for the board design.

Paavo Niskala, SVP IMSE Technology at TactoTek, comments: "Light is a key factor in creating compelling, brand-differentiating user experiences, especially in automotive interiors and exteriors. We trust that user interface functions and light will become an integral part of natural and plastic automotive surfaces without sacrificing sustainability. Incorporating OSIRE E5515 from Ams Osraminto our IMSE technology enables designing very low height applications with reduced weight, specifically of interest to the automotive industry. Our strong collaboration with Ams Osramenables us to drive innovation into making light a critical element in the automotive living space."

The new product KRTB AELPS2.32 of the OSIRE E5515 family from Ams Osram is specifically designed for in-mold processes. The LED has been validated by TactoTek for its IMSE technology and qualified for use in automotive applications (AEC-Q102) by Ams Osramopening new illumination opportunities.

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