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(11)

EP 4 330 741 A1

(12)

(43) Date of publication: 06.03.2024 Bulletin 2024/10 (21) Application number: 22723877.1 (22) Date of filing: 26.04.2022

(51) International Patent Classification (IPC):  G02B 5/30(2006.01) G02C 7/12(2006.01) B29D 11/00(2006.01) (52) Cooperative Patent Classification (CPC): G02B 5/3033; G02B 5/3041; G02C 7/12; B29D 11/0073; B29D 11/00634; B29D 11/00644 (86) International application number: PCT/US2022/026276 (87) International publication number: WO 2022/232095 (03.11.2022 Gazette 2022/44)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 28.04.2021 US 202163181012 P 29.04.2021 US 202163181260 P 29.09.2021 US 202117488865 (71) Applicant: META PLATFORMS TECHNOLOGIES, LLC Menlo Park, CA 94025 (US)

(72) Inventors: LIAO, Christopher Yuan Ting Menlo Park, California 94025 (US) YE, Sheng Menlo Park, California 94025 (US) NOBLE, Hannah Menlo Park, California 94025 (US) OUDERKIRK, Andrew John Menlo Park, California 94025 (US) ELABBASI, Nagi Hosni Menlo Park, California 94025 (US) (74) Representative: Murgitroyd & Company  Murgitroyd House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)