Light Field Capture and Rendering for Head-Mounted Displays

ChangeBridge: EPO Bulletin - Diagnosis & Surgery (A61B)

Published March 25th, 2026

Detected April 1st, 2026

Summary

The European Patent Office published patent application EP3545675A1 titled 'Light Field Capture and Rendering for Head-Mounted Displays' filed by the University of Washington. The patent covers systems and methods for capturing and rendering light fields in head-mounted display devices, with applications in augmented and virtual reality. The publication includes five named inventors and covers multiple IPC classifications related to image processing and medical/surgical imaging systems.

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What changed

The European Patent Office published EP3545675A1, a patent application by the University of Washington covering light field capture and rendering technology for head-mounted displays. The patent (publication date March 25, 2026) includes claims related to image capture systems, processing algorithms for light field data, and rendering methods for AR/VR applications. Designated states cover all 31 EPC contracting states including major markets across the EU, CH, TR, and UK.

Patent publications do not create immediate compliance obligations for third parties. Companies developing head-mounted displays, AR/VR systems, or related imaging technologies should review the patent claims during product development to assess potential infringement risks. Inventors and applicants should monitor the European Patent Register for examiner comments, search reports, and potential opposition periods following grant.

Source document (simplified)

← EPO Patent Bulletin

LIGHT FIELD CAPTURE AND RENDERING FOR HEAD-MOUNTED DISPLAYS

Publication EP3545675A1 Kind: A1 Mar 25, 2026

Applicants

The University of Washington

Inventors

SMITH, Joshua, R., BROWD, Samuel, R., NICOLL, Rufus, Griffin, YOUNGQUIST, James, Andrew

IPC Classifications

H04N 13/20 20180101AFI20250617BHEP A61B 34/20 20160101ALI20250617BHEP H04N 13/344 20180101ALI20250617BHEP A61B 1/00 20060101ALI20250617BHEP H04N 13/243 20180101ALI20250617BHEP H04N 23/45 20230101ALI20250617BHEP H04N 13/117 20180101ALI20250617BHEP H04N 23/957 20230101ALI20250617BHEP G06T 5/00 20060101ALI20250617BHEP H04N 13/156 20180101ALI20250617BHEP H04N 13/00 20180101ALI20250617BHEP G06T 7/557 20170101ALI20250617BHEP A61B 90/00 20160101ALI20250617BHEP A61B 17/00 20060101ALN20250617BHEP

Designated States

AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR

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