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LED Technology


Custom LED solutions M


ost LED manufacturers are set up for mass assembly of standard products, typically


single-die LEDs or CoBs of a certain kind. When the application requires a well- defined beam of mixed spectrum, multi- die light sources, it is a challenge to find a suitable LED. 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 four dies and feature insufficient heat dissipation. Level 2 assemblies using packaged LEDs from different manufacturers are possible 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.


The 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. Thus, beam forming, color mixing, beam directional


sssltd.com


control and zooming can all be accomplished by using a single optical component for all the wavelengths resulting in a more compact and efficient optical system and resulting fixture. For those interested, free to attend


seminars are being held on the 21st and 22nd of May.


www.cieonline.co.uk


Components in Electronics


May 2019 47


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