(19)

(11)

EP 4 739 943 A1

(12)

(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24734898.0 (22) Date of filing: 20.06.2024

(51) International Patent Classification (IPC):  F21K 9/64(2016.01) F21V 9/14(2006.01) G03B 21/20(2006.01) G03B 21/16(2006.01) F21K 9/65(2016.01) F21V 9/30(2018.01) G03B 33/00(2006.01) (52) Cooperative Patent Classification (CPC): G03B 21/2073; G03B 21/208; G03B 21/204; G03B 21/16; G03B 21/206; G03B 33/00; F21V 9/30; F21V 9/14; F21Y 2115/30; F21V 9/20 (86) International application number: PCT/EP2024/067274 (87) International publication number: WO 2025/008197 (09.01.2025 Gazette 2025/02)

(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: GE KH MA MD TN (30) Priority: 03.07.2023 EP 23183084 (71) Applicant: Signify Holding B.V. 5656 AE Eindhoven (NL)	(72) Inventors: HOELEN, Christoph, Gerard, August 5656 AE Eindhoven (NL) CORNELISSEN, Hugo, Johan 5656 AE Eindhoven (NL) VDOVIN, Olexandr, Valentynovych 5656 AE Eindhoven (NL) (74) Representative: Signify IP  High Tech Campus 7 5656 AE Eindhoven 5656 AE Eindhoven (NL)