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(11)

EP 4 409 199 A1

(12)

(43) Date of publication: 07.08.2024 Bulletin 2024/32 (21) Application number: 22797959.8 (22) Date of filing: 03.10.2022

(51) International Patent Classification (IPC):  F21V 8/00(2006.01) (52) Cooperative Patent Classification (CPC): G02B 27/0172; G02B 6/0011 (86) International application number: PCT/US2022/045516 (87) International publication number: WO 2023/056083 (06.04.2023 Gazette 2023/14)

(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: 01.10.2021 US 202163251332 P 30.12.2021 US 202163295299 P 07.02.2022 US 202217666227 (71) Applicant: META PLATFORMS TECHNOLOGIES, LLC Menlo Park, CA 94025 (US)

(72) Inventors: WHEELWRIGHT, Brian Menlo Park, California 94025 (US) PENG, Fenglin Menlo Park, California 94025 (US) GENG, Ying Menlo Park, California 94025 (US) JANG, Changwon Menlo Park, California 94025 (US) PARSONS, Maxwell Menlo Park, California 94025 (US) HE, Sihui Menlo Park, California 94025 (US) GOLLIER, Jacques Menlo Park, California 94025 (US) XU, Miaomiao Menlo Park, California 94025 (US) (74) Representative: Murgitroyd & Company  165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)