Itoh, Y;
Nakamura, T;
Hiroi, Y;
Aksit, K;
(2025)
Slim Diffractive Waveguide Glasses for Beaming Displays with Enhanced Head Orientation Tolerance.
In:
Proceedings - 2025 IEEE Conference on Virtual Reality and 3D User Interfaces, VR 2025.
(pp. pp. 351-358).
IEEE: Saint Malo, France.
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Abstract
Augmented Reality (AR) glasses must be slim, lightweight, and energy-efficient to achieve widespread adoption. Beaming Displays present a promising solution by offloading active components, such as the power-supplied light engine, into the surrounding environment while leaving only passive elements, like the eyepiece, in the wearable device. However, existing approaches still struggle to achieve both a slim design and a wide tolerance for projection angles relative to the user's head orientation. In this work, we introduce a design for light-receiving glasses using a diffractive waveguide with in-coupling and out-coupling gratings. Our approach expands the allowable range of incident angles while maintaining a compact, lightweight form factor. We developed a proof-of-concept prototype and demonstrated an incident angle tolerance of approximately 20-30 degrees range, overcoming the previous design of 5 degrees.
| Type: | Proceedings paper |
|---|---|
| Title: | Slim Diffractive Waveguide Glasses for Beaming Displays with Enhanced Head Orientation Tolerance |
| Event: | 2025 IEEE Conference Virtual Reality and 3D User Interfaces (VR) |
| Dates: | 8 Mar 2025 - 12 Mar 2025 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/VR59515.2025.00059 |
| Publisher version: | https://doi.org/10.1109/vr59515.2025.00059 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Three-dimensional displays, Head, Optical design, Prototypes, Glass, Optical imaging, Diffraction gratings, Wearable devices, Optical waveguides, Augmented reality |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10208719 |
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