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(11)

EP 4 816 872 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24821685.5 (22) Date of filing: 20.11.2024

(51) International Patent Classification (IPC):  G02B 27/01(2006.01) G02B 27/30(2006.01) G02B 27/00(2006.01) G02B 5/00(2006.01) G02F 1/1335(2006.01) (52) Cooperative Patent Classification (CPC): G02B 2027/012; G02B 27/0172; G02B 2207/123; G02B 5/003; G02B 27/30; G02B 27/0018 (86) International application number: PCT/US2024/056672 (87) International publication number: WO 2025/117286 (05.06.2025 Gazette 2025/23)

(84) Designated Contracting 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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 28.11.2023 EP 23212582 (71) Applicant: Snap Inc. Santa Monica, CA 90405 (US)	(72) Inventors: PENNELL, Brennon Santa Monica, California 90405 (US) WOODS, David Santa Monica, California 90405 (US) (74) Representative: Mathys & Squire  32 London Bridge Street The Shard London SE1 9SG London SE1 9SG (GB)