Abstract
Augmented Reality (AR) Smart Glasses might be the next big thing in consumer electronics. These devices can be used as an add-on to the smartphone or -watch bringing the visual content to the line of sight. This gives comfort, provides safety and enables new kind of use cases and applications not doable with direct view mobile displays. It’s obvious that such glasses should be small, lightweight and smart looking and at the same time projecting a large, bright, colorful and high-resolution image. Optimizing all these characteristics at same time would be like the squaring of a circle, thus tradeoffs have to be made. Depending on the glasses use case, different technologies for light source, light modulator and combiner optics might be chosen. In this talk we present both LED and laser devices to fuel the future of AR smart glasses. Besides offering RGB LEDs which are well known from LCoS and DLP pico projectors we are also working on devices optimized for the use in AR glasses. In the field of lasers we developed a compact RGB module enabling Laser Beam Scanning (LBS) light engines with a volume of 1cc or less.
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