(19)

(11)

EP 4 544 339 A1

(12)

(43) Date of publication: 30.04.2025 Bulletin 2025/18 (21) Application number: 23739732.8 (22) Date of filing: 13.06.2023

(51) International Patent Classification (IPC):  G02B 27/00(2006.01) G02B 27/42(2006.01) G02B 27/01(2006.01) (52) Cooperative Patent Classification (CPC): G02B 27/0081; G02B 2027/0125; G02B 27/0172; G02B 27/4272 (86) International application number: PCT/US2023/025222 (87) International publication number: WO 2023/249844 (28.12.2023 Gazette 2023/52)

(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: KH MA MD TN (30) Priority: 23.06.2022 US 202263354821 P 24.04.2023 US 202318305953 (71) Applicant: Snap Inc. Santa Monica, CA 90405 (US)	(72) Inventors: RUSSO, Juan Santa Monica, California 90405 (US) GREENGARD, Adam, Douglas Santa Monica, California 90405 (US) (74) Representative: Mathys & Squire  The Shard 32 London Bridge Street London SE1 9SG London SE1 9SG (GB)