Google was granted a new patent that describes a micro-LED based AR glasses device. This is a patent from March 2016 that was now granted.

Google Micro-LED AR patent figure

According to the patent description, the Micro-LED active area is aligned to an array of collimating reflectors that reflect a display image back towards a user's eyes. The patent also describes a similar VR device (in which the displays are not see-through).

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