Extended reality glasses system with zoom projection lens

TW202632373AInactive Publication Date: 2026-08-01NAT CENT UNIV
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Patent Information

Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
NAT CENT UNIV
Filing Date
2025-01-23
Publication Date
2026-08-01
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention provides an extended reality glasses system with zoom projection lens, which comprises: a light guide element having a first light coupling portion, a second light coupling portion, a third light coupling portion, and a fourth light coupling portion; a first volume holographic element optically coupling to the first light coupling portion , a second volume holographic element optically coupling to the second optical coupling portion; and a zoom projection lens optical coupling to third optical coupling portion. By implementing the present invention, the focal length can be changed without preparing multiple fixed-focus lenses, thereby achieving the effect of image zooming without affecting the image quality.
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