LED Engin, an OSRAM business based in California’s Silicon Valley, develops, manufactures, and sells advanced LED emitters. In addition to their standard products, LED Engin is uniquely positioned to support custom level 1 and level 2 LED solutions. Customisation means that an LED can be tailored to specific needs and applications, enabling the design flexibility that other manufacturers of LEDs would be reticent to entertain, in volumes, other manufacturers might not consider economic.
Contact Tom.Freeman@sssltd.com, +44 (0)1527 830800 or use the form below to find out how we can create the perfect LED for you. Continue reading below to find out more about LED Engin’s custom LED emitter offerings.
Unique Platform for High Power Custom Built LED Emitters in a Compact Package
Key Custom Emitter Platform Options
- Wide range of light spectrum choices from 365nm to 940nm covering full spectrum from UV to IR
- Surface mount ceramic package with integrated dome shape or optically flat glass lens
- Small foot print choices – 4.4mm x 4.4mm to 12mm x 12mm
- Package options capable of handling power from 4W to 80W
- Industry lowest thermal resistance per package from 0.5°C/W to 6.0°C/W depends on package size, material option and total power rating
- Custom built emitters can be packaged on tape and reel, assembled on LED Engin MCPCB or customer designed PCBs
Applications Supported by Custom LuxiGen Emitters
- Analytical Equipment
- Architectural Lighting
- Entertainment
- General Lighting
- Horticulture
- Industrial & 3D Printers
- Image Sensors
- Machine Vision
- Medical Devices
- Security Cameras
- UV Curing
Introduction
LEDs are used as light sources in many different applications, all of which have their own requirements. Not all of them target traditional uses of light. As LEDs are incorporated in emerging technologies such as those in medical devices, sensors, machine vision, 3D printing, UV curing and other specialty applications, there is demand for different LEDs with specific attributes to be used together, sometimes in very compact designs. This requirement poses a challenge to the LED light source designers and an opportunity for LED Engin to support.
Most LED manufacturers are setup for mass assembly of standard products, typically single-die LEDs or multi-die arrays or CoBs of a certain kind. When the application requires mixed spectrum, multi-die light sources, many design considerations come into play. Multi-die arrays do not usually have a small light emitting surface (LES) while co-packaged small LES multi-die LEDs typically don’t exceed 4 dies. Level 2 assemblies using packaged LEDs from different manufacturers are available but present their own complexity of design as each supplier’s packaging is slightly different. All of these issues are addressed by using a single substrate, multi-die, mixed spectrum, small LES, custom emitter from LED Engin.
LED Engin’s standard LED product offering includes a wide variety from 4W single-die emitters to 80W 25-die emitters with light output covering full spectrum wavelengths from 365nm to 940nm, and glass primary optics. These emitters all use the LuxiGenTM platform which leverages a multi-layer coefficient of thermal expansion (CTE) matched ceramic substrate with metal interconnects running through the ceramic layers that results in some of the lowest thermal resistance values for LED packaging. Dies from different LED manufacturers can be simultaneously mounted on this substrate – a unique offering in the industry – and covered with a robust glass primary optics. LED Engin supports customer defined, application specific LED emitters on this LuxiGen platform subject and is an experienced supplier of level 1 and level 2 LED products.
Fig. 1. LuxiGenTM emitter cross-section and customizable die combination in a LZC emitter
Advantages of the LuxiGenTM Emitter Platform
The biggest benefit of the LuxiGen platform is that it can help luminaire designers develop directional lighting fixtures which are small in size, support narrow beam angles, yet are high in light output, all of which translates into longer distances illuminated. This advantage stems from the high thermal conductivity or low thermal resistance of the substrate across the various different LZx emitters. At a system level, this implies that a fixture designed with LuxiGen emitters can either have a smaller heatsink for the same light output as a fixture designed with LEDs from another LED supplier or provide a higher light output for the same size of heatsink in comparison.
Another advantage of the LuxiGen platform is that LEDs of different wavelengths can be integrated into a single small foot print package. This mechanical arrangement can reduce the complexity of the secondary optical system, as the primary optics directs the light output in a unified direction with almost identical light beam field of view (FOV) angle. So beam forming, color mixing, beam directional control and zooming can all be accomplished by using the same optical components for all the wavelengths. This usually results in a more compact optical system and resulting fixture.
