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(11)

EP 4 402 533 A1

(12)

(43) Date of publication: 24.07.2024 Bulletin 2024/30 (21) Application number: 21962693.4 (22) Date of filing: 27.10.2021

(51) International Patent Classification (IPC):  G02F 1/1345(2006.01) G09G 3/3216(2016.01) G09G 3/3275(2016.01) G02F 1/16766(2019.01) G09G 3/3266(2016.01) (52) Cooperative Patent Classification (CPC): G02F 1/16766; G09G 2310/04; G09G 2300/0426; G09G 3/3614; G02F 1/1676 (86) International application number: PCT/US2021/056781 (87) International publication number: WO 2023/075758 (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 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 (71) Applicant: New Vision Display, Inc. Roseville, CA 95747 (US)	(72) Inventor: PFEIFFER, Matthias, T. Boulder, CO 80302 (US) (74) Representative: Tomkinson, Alexandra  Bailey Walsh & Co LLP 1 York Place Leeds, LS1 2DR Leeds, LS1 2DR (GB)