(19)

(11)

EP 4 423 559 A1

(12)

(43) Date of publication: 04.09.2024 Bulletin 2024/36 (21) Application number: 22817459.5 (22) Date of filing: 30.10.2022

(51) International Patent Classification (IPC):  G02B 27/00(2006.01) G02B 5/20(2006.01) G02B 27/01(2006.01) G06F 3/01(2006.01) (52) Cooperative Patent Classification (CPC): G02B 27/0093; G02B 2027/0138; G02B 27/0172; G02B 5/208 (86) International application number: PCT/US2022/048320 (87) International publication number: WO 2023/076647 (04.05.2023 Gazette 2023/18)

(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: 29.10.2021 US 202163273481 P 31.03.2022 US 202217709690 (71) Applicant: META PLATFORMS TECHNOLOGIES, LLC Menlo Park, CA 94025 (US)	(72) Inventor: SHARMA, Robin Menlo Park, California 94025 (US) (74) Representative: Murgitroyd & Company  165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)