Google patents AR glasses that keep the image steady as you move
This filing describes a head-worn display that uses a special lightguide to keep the angle of the projected image consistent. By making the light bounce an even number of times inside the glass, the system maintains the correct alignment even when the device shifts on your face.
In the filing’s own words
A head-worn display (HWD) is configured to maintain the angle at which light leaves an outcoupler even as the HWD moves. To this end, the HWD includes an optical engine configured to emit display light. Additionally, the HWD includes a lightguide that has an incoupler and an outcoupler. The incoupler is configured to reflect the display light emitted from the optical engine such that the display light propagates through the lightguide by performing an even number of bounces before being received by the outcoupler. The outcoupler then provides the display light to the eye of a user.
What exactly they claim (claim 1)
1. A head-worn display (HWD), comprising: an optical engine configured to emit display light; and a lightguide including an incoupler and an outcoupler, wherein: the incoupler is configured to reflect the display light such that the display light propagates through the lightguide by performing an even number of bounces before being received by the outcoupler.
Facts
- Company
- Google (GOOGLE LLC)
- Official title
- PASSIVE WORLD-REFERENCED DISPLAY ALIGNMENT WITH REFLECTIVE FACET LIGHTGUIDES
- Publication number
- US20260267144A1
- Application number
- 18873675
- Filed
- May 9, 2023
- Published
- Sep 10, 2026
- Inventors
- 1
- Claims
- 27
Classified under
G02B 27/0172 Physics & computingG02B 5/12 Physics & computingG02B 27/283 Physics & computingG02B 2027/0178 Physics & computingMore from Google in AR, VR & displays
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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.