Smart surface

ams OSRAM leading-edge illumination, sensing and control/driver solutions enable automotive smart surfaces with outstanding user experience and functional flexibility while reducing system cost and complexity.
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Smart surfaces – a revolution in the vehicle human-machine interface

Smart surfaces / functional surfaces / shytech surfaces

Nowadays, car manufacturers need to bring increasing functional complexity in the car interior to lean design, while at the same time allowing greater flexibility to enable over-the-air (OTA) updates of the so-called ‘smartphone on wheels.’ For that reason, display areas are expanding, while the user experience, complexity, cost and weight of interfaces based on physical buttons, knobs and rotary switches seem ever more outdated. However, displays are limited to certain surfaces. They suffer from reflections, do not allow freeform geometries, and the cost is not optimal for areas with a dedicated set of functions.
A new approach to human-machine interfaces, so-called smart surfaces, is revolutionizing interaction in middle console, center stack, overhead consoles or door panels and provides new interactive touch display or multi-touch surface solutions for automotive interiors. Shytech buttons and interactive, decorative backside illuminated animations can appear when the user looks at it or moves their hand nearby. Three-dimensional surfaces allow blind controllability when taking the eyes off the street would be too dangerous.

ams OSRAM offering

ams OSRAM offers a broad portfolio of solutions for smart surfaces from emitters to sensors and drivers. Our LEDs can be used for smart surfaces in automotive, eg. surface-integrated ambient lighting, light-guide applications or button backlighting. We offer optical sensors to create touch sensor buttons for smart surface solutions, for example for automated brightness control, but also non-optical sensors (inductive, magnetic, or capacitive) that can be used for example for the seamless integration of rotary-push buttons on smart surfaces. IR emitters and detectors are used for simple gestures and enable proximity sensing gesture technology for smart surfaces.

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Smart surfaces
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Open System Protocol (OSP)

As ambient lighting and touch interfaces merge in the same surfaces, also a combination on system architecture level is possible.​

ams OSRAM supports this trend in the Open System protocol ecosystem with own components (like intelligent RGB modules). Also the integration of sensors or haptic feedback devices can be done using the stand alone intelligent driver (SAID) ​

Interested to be part of the Open System Protocol Ecosystem?

Featured Products

ams AS1163B Automotive 6-output Stand-Alone Intelligent LED Driver IC

Product status: Production AS1163B is a mixed signal silicon device optimized for automotive dynamic lighting applications (interior, exterior, smart surface etc.). The basic purpose of AS1163B is to drive 6 LEDs organized in 2 channel triplets (RGB) or simply 6 single-color LEDs with an independent PWM dimming dynamic range up to 16 bits. AS1163B is often addressed with a different name: “SAID2”, an acronym which stands for Stand-Alone Intelligent Driver with 2 RGB triplets. A daisy chain configuration of multiple AS1163B devices will enable cost effective implementation of complex dynamic lighting effects. AS1163B supports single layer slim PCB designs.The communication protocol supported by AS1163B (OSP: Open System Protocol) is fully compatible with the ams OSRAM OSIRE E3731i. AS1163B will support additional features such as I²C gateway, parallel connection, power-rail feedback, analog readout. Each AS1163B device in the chain will be usable by the MCU to read and write an external I²C device, e.g. EEPROM, temperature sensor, Ambient Light Sensor.
Details and Datasheet

ams AS1163 Automotive 9-output Stand-Alone Intelligent LED Driver IC

Product status: Production AS1163 is a mixed signal silicon device optimized for automotive dynamic lighting applications (interior, exterior, smart surface etc.). The basic purpose of AS1163 is to drive 9 LEDs organized in 3 channel triplets (RGB) or simply 9 single-color LEDs with an independent PWM dimming dynamic range up to 16 bits. AS1163 is often addressed with a different name: “SAID”, an acronym which stands for Stand-Alone Intelligent Driver. A daisy chain configuration of multiple AS1163 devices will enable cost effective implementation of complex dynamic lighting effects. AS1163 supports single layer slim PCB designs.The communication protocol supported by AS1163 (OSP: Open System Protocol) is fully compatible with the ams OSRAM OSIRE E3731i. AS1163 will support additional features such as I²C gateway, parallel connection, power-rail feedback, analog readout. Each AS1163 device in the chain will be usable by the MCU to read and write an external I²C device, e.g. EEPROM, temperature sensor, Ambient Light Sensor.
Details and Datasheet

OSRAM OSIRE™ E3731i, KRTBI D2LM31.31

This device is especially designed for automotive interior applications requesting high dynamic RGB lighting scenarios. This device is an intelligent RGB device, incorporating besides R/G/B LEDs an IC from ams OSRAM. This embedded IC integrates the drivers for the three R/G/B LEDs. The embedded IC includes the optical measurement data of the three R/G/B LEDs as well. An external micro controller can address and control each device in a daisy chain architecture via an open system protocol. The open protocol allows the micro controller to read back these data and to run any color algorithm. It also allows to read back a temperature value to optimize this color algorithm. OSIRE TM E3731i is compliant with all known patents and rights in countries with an automotive production footprint. In particular, neither rights in terms of temperature compensation within the LED nor SPI communication with controllers inside an LED are affected.
Details and Datasheet

OSRAM OSIRE™ E5515, KRTBAELPS1.32

The ams OSRAM OSIRE KRTB AELPS1.32 RGB sidelooker device is specifically designed for automotive interior applications. It offers individually addressable LED chips for a maximum of flexibility in terms of color point, driver selection and interconnection. Due to the low profile, the OSIRE KRTB AELPS1.32 is ideally suited for coupling into thin lightguides and enables ultra compact designs.
Details and Datasheet

OSRAM OSIRE™ E3323, KRTBDWLM32.32

The OSIRE E3323 is designed for automotive ambient applications. With its compact size, the device offers a maximum of flexibility for various assembly situations. All measurement data of every single LED is made available at 10 and 50 mA via an imprinted data matrix code. This feature helps to reduce the optical measurement effort on customer side.
Details and Datasheet

OSRAM TOPLED™ D5140, SFH 2240 A01

Silicon Photodiode with Vλ Characteristic
Details and Datasheet

ams AS8579 Capacitive Sensor

The AS8579 is a capacitive sensor that detects the change of capacity in different applications. The capacitive sensor measures the impedance that originates between a conducting surface (metallic object) and a human being. The IC captures the current of a metal object and applies algorithms to determine the capacitive and resistive information. The outcome information can be read through a SPI Interface that can be also used for IC configuration. This high precision performance sensor also supports a multitude of diagnostic features that meet standard functional safety requirements. The capacitive sensing IC is specifically designed to function in an electro-magnetic environment (EMC) with high magnetic disturbances. This allows the sensor to distinguish in a hands-on application if the driver‘s hand is on the steering wheel or not. The AS8579 is available in an SSOP24 package and operates at a supply voltage of 5V.
Details and Datasheet