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(11)

EP 4 573 315 A1

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(43) Date of publication: 25.06.2025 Bulletin 2025/26 (21) Application number: 23751644.8 (22) Date of filing: 08.08.2023

(51) International Patent Classification (IPC):  F21S 8/02(2006.01) F21V 21/04(2006.01) F21V 17/10(2006.01) F21V 29/74(2015.01) (52) Cooperative Patent Classification (CPC): F21S 8/026; F21V 17/104; F21V 21/046; F21V 29/74 (86) International application number: PCT/EP2023/071882 (87) International publication number: WO 2024/037923 (22.02.2024 Gazette 2024/08)

(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: 17.08.2022 US 202263398647 P 26.08.2022 EP 22192467 (71) Applicant: Signify Holding B.V. 5656 AE Eindhoven (NL)	(72) Inventors: ZHAO, Wei 5656 AE Eindhoven (NL) GREEN, Russell, Bryant 5656 AE Eindhoven (NL) LIN, Zhihong 5656 AE Eindhoven (NL) DAVIS, Jared, Michael 5656 AE Eindhoven (NL) (74) Representative: Verweij, Petronella Daniëlle  Signify Netherlands B.V. Intellectual Property High Tech Campus 7 5656 AE Eindhoven 5656 AE Eindhoven (NL)