Holosport (formerly just Holoswim, but it seems like they want to expand the product portfolio a bit…) has a few swim goggles with built-in displays and I decided to pick one up and tear it apart to see the display technology inside! See the (slightly…) shorter-than-normal video covering the teardown below:

What I found really interesting in this teardown was that we are not actually using a micro-display, and in retrospect this should be pretty obvious – at a whopping 128×64 pixel display area, we don’t need to! This uses a monochrome green glass OLED panel, from an as-of-yet unidentified supplier. Coupled with a very simple 2-piece optic design for the eyepiece (one field lens magnifier, and a bulk 2-part plastic combiner with a partial mirror inside) gives us a really simple optical path to extract out the green OLED image to the user while swimming.

That’s it for now – as always, any & all raw data collected and used here is available for all tiers of paid Patreon subscribers here: https://www.patreon.com/cw/DisplayTrainingCenter