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EP 4 584 633 A1

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(43) Date of publication: 16.07.2025 Bulletin 2025/29 (21) Application number: 23783145.8 (22) Date of filing: 07.09.2023

(51) International Patent Classification (IPC):  G02F 1/1506(2019.01) G02F 1/155(2006.01) (52) Cooperative Patent Classification (CPC): G02F 1/1506; G02F 1/155; G02F 2201/44; G02F 1/133601 (86) International application number: PCT/US2023/032139 (87) International publication number: WO 2024/054535 (14.03.2024 Gazette 2024/11)

(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: 07.09.2022 US 202263404489 P 06.09.2023 US 202318462265 (71) Applicant: Meta Platforms Technologies, LLC Menlo Park, CA 94025 (US)

(72) Inventors: VALENTINE, Gareth John Menlo Park, California 94025 (US) BOROMAND, Arman Menlo Park, California 94025 (US) JAMALI, Afsoon Menlo Park, California 94025 (US) ONORATO, Jonathan William Menlo Park, California 94025 (US) LEARD, Francis Lawrence Menlo Park, California 94025 (US) BARYKINA-TASSA, Olga Vladimirovna Menlo Park, California 94025 (US) WU, Xi Menlo Park, California 94025 (US) (74) Representative: Murgitroyd & Company  165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)