(19)

(11)

EP 4 544 218 A1

(12)

(43) Date of publication: 30.04.2025 Bulletin 2025/18 (21) Application number: 23733371.1 (22) Date of filing: 20.06.2023

(51) International Patent Classification (IPC):  F21K 9/64(2016.01) F21V 9/38(2018.01) G02B 27/09(2006.01) F21V 9/32(2018.01) G03B 21/20(2006.01) G02B 27/10(2006.01) (52) Cooperative Patent Classification (CPC): G02B 27/0994; G02B 27/0977; G02B 27/095; G02B 27/106; G03B 21/204; F21V 9/30; F21Y 2115/30; F21V 7/06; F21V 13/14 (86) International application number: PCT/EP2023/066690 (87) International publication number: WO 2023/247568 (28.12.2023 Gazette 2023/52)

(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: 23.06.2022 EP 22180731 (71) Applicant: Signify Holding B.V. 5656 AE Eindhoven (NL)	(72) Inventors: VAN DER LUBBE, Marcellus, Jacobus, Johannes 5656 AE Eindhoven (NL) CORNELISSEN, Hugo, Johan 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)