(19)

(11)

EP 4 457 557 A1

(12)

(43) Date of publication: 06.11.2024 Bulletin 2024/45 (21) Application number: 22823211.2 (22) Date of filing: 14.11.2022

(51) International Patent Classification (IPC):  G02B 27/00(2006.01) G02B 27/01(2006.01) (52) Cooperative Patent Classification (CPC): G02B 27/0172; G02B 27/0093; G02B 27/0081; G02B 2027/0138; G02B 2027/014; G02B 2027/0118; G02C 7/101; G02C 11/10 (86) International application number: PCT/US2022/049760 (87) International publication number: WO 2023/129289 (06.07.2023 Gazette 2023/27)

(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: 28.12.2021 US 202163294317 P 27.01.2022 US 202217586265 (71) Applicant: Snap Inc. Santa Monica, CA 90405 (US)	(72) Inventors: FLISZAR, David Santa Monica, CA 90405 (US) SINGH, Amit Santa Monica, CA 90405 (US) (74) Representative: DTS Patent- und Rechtsanwälte PartmbB  Brienner Straße 1 80333 München 80333 München (DE)