Light-emitting diodes (LEDs)
Light-emitting diodes (LEDs) are semiconductor components which emit light when current flows through them in a forward direction. Electrons recombine with holes in the depletion zone releasing energy in the form of photons. The electrical characteristics of LEDs correspond to the electrical characteristics of normal diodes.
ams OSRAM’s comprehensive LED portfolio covers a vast array of diverse needs, applications and advanced technological solutions. Our technology offers highly efficient LED with improved color quality and durability.
Pixelated LED technology: pixelated light sources enable simultaneous visualization and illumination in a single component.
3D time-of-flight (ToF) sensing
Highly accurate distance measurement and 3D mapping and imaging: low-power time-of-flight sensing technology from ams OSRAM enables host systems to measure distances accurately and at exceedingly high speed. Accurate distance measurements are used in various applications including presence detection, human facial recognition and advanced cameras.
ams OSRAM 3D direct time-of-flight (dToF) technology for smart phone world-facing cameras aims to achieve a higher range and lower power consumption than other implementations. To minimize integration effort for mobile-device OEMs, our 3D dToF system provides a complete technology stack – from optical sensing through to scene reconstruction and integration with an RGB camera.
ams OSRAM chip-packaging technologies
Chip-packaging technologies developed by ams OSRAM help our state-of-the-art optical devices and sensor products to achieve extreme high precision, low noise performance and reduced system costs.
Advanced packaging technologies from ams OSRAM include:
Wafer-level optics, which enable the precise fabrication of lenses for miniature light sources and detectors
Through-silicon vias, which radically reduce the height of an optical IC package and eliminate the need for wire bonds
System-in-package (SiP) technology – ams OSRAM integrates complete sensor assemblies into a single SiP to save space and eliminate a board assembly process for customers
Stacked dual die – wherever reliability is a must, ams OSRAM offers fully redundant solutions with two of the same sensor dies in a single IC package.
Position sensing technologies
Unique technology developed by ams OSRAM protects position sensors from interfering magnetic stray fields and reduces angle error so that – despite often harsh environments – they operate with accuracy and reliability.
Stray-field immunity: ams OSRAM position sensors feature a unique technology which protects them against interference from magnetic stray fields. The sensors overachieve ISO 11452-8, which specifies tests for the electromagnetic immunity of electronic components to magnetic fields for passenger cars and commercial vehicles regardless of the propulsion system.
Dynamic angle error compensation (DAEC™): DAEC™ is a revolutionary recent technology that yields almost zero output latency and ultra-fast refresh rates in high-speed motor control systems.
Coil design: the inductive position sensor technology is based on measuring the coupling between the coil (excitation and receiver coil) via rotating target. Due to its flexibility, easy adaption and low overall system costs, inductive position sensing acts as the perfect resolver replacement and can be used for on-axis as well off-axis applications.
PSI5 interface: PSI5 is a standard bus which enables communication between devices in an automotive system over a twisted-pair cable.
VCSELs for flexibility and reliability
Vertical-cavity surface-emitting lasers (VCSELs) have various advantages over other types of lasers. These include:
surface emission, which offers design flexibility in addressable arrays
low temperature dependence of the lasing wavelength
a wafer-level manufacturing process
ams OSRAM VCSEL technology includes the epitaxial structure and chip design, epitaxial growth, front- and back-end processing, packaging and advanced testing and simulations. ams OSRAM VCSELs are rated for operation at ambient temperatures as high as 150°C.
> Discover VCSEL technologies
Infrared LEDs for invisible applications
Infrared illumination plays a significant role in the broad fields of industry, automotive and consumer applications: CCTV, biometric identification, driver monitoring, machine vision to name only a few.
With a long history in developing infrared LEDs, ams OSRAM is the industry leader in this technology, offering a range of products to match the varying requirements of each application area:
wall-plug efficiencies well above 50%, based on ams OSRAM’s thin-film technology
low operation voltage and extremely high-power ratings/low thermal resistance
wavelengths of 850nm and 940nm
various beam angles
Single- and dual junction (stack) chips
Continuously expanding and improving the IR LED portfolio, ams OSRAM is well-positioned to remain the market leader in infrared illumination.
> Discover more about IR illumination
Edge-emitting lasers (EEL)
ams OSRAM leads in visible and infrared edge-emitting lasers (EEL) technology for sensing, visualization and material processing.
Edge-emitting lasers use nanostack technology (e.g.: triple-junction: three light-emitting surfaces (pn-junction) stacked one on top of the other), which has the main advantage of delivering high power within a small area (small size), making it the technology of choice for long-range LiDAR, visualization, illumination and material processing.
Infrared laser diodes for sensing (LiDAR applications) with wavelength of 905nm have the highest efficiency on the market. The laser diodes can operate with extreme short pulses (down to 2nsec), while delivering outstanding power.
Visible InGaN laser diodes for laser projection and illumination have a great optical output power at high operating temperature range. Single-mode laser diodes can operate at a higher temperature range without active cooling and have excellent efficiency, which can extend long life.
High power performance with multi-mode laser diodes are the best fit for industry and automotive applications.
> Explore our laser competence
Micro-lens arrays (MLA)
Micro-lens arrays (MLA) operate as ultra-small projectors which have images integrated into the micro-optic lens, producing sharp images in brilliant color. Micro-lenses offer a long focal depth, which means that an array can project a focused image on to a parallel, slanted or curved surface.
Micro-lens arrays may be configured to provide a bright output in an extremely low-profile form factor. In conventional projector technology, the higher the brightness required, the larger the projector. By contrast, micro-lens arrays can be arranged next to each other so that their images overlap to create a brighter picture, while the thickness of the projector, typically 3mm, remains the same.
Micro-lens array technology from ams OSRAM used in the automotive sector and in various non-automotive applications.