Comment by tash_2s
3 days ago
TLDR: They demoed a direct retinal projection display with a thin, transparent mirror embedded in the lens, enabling glasses that look more like everyday eyewear while reducing costs compared with waveguide-based designs.
This Japanese article has a few more details: https://www.watch.impress.co.jp/docs/news/2145266.html
This picture (with English text) has a bit of the detail showing their reflector structure, which is also in one of the pictures of your Japanese page:
https://www.tdk.com/system/files/featured_stories/features-o...