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(11)

EP 4 392 707 A1

(12)

(43) Date of publication: 03.07.2024 Bulletin 2024/27 (21) Application number: 22769946.9 (22) Date of filing: 29.08.2022

(51) International Patent Classification (IPC):  F21S 8/02(2006.01) F24F 13/078(2006.01) F21V 33/00(2006.01) F24F 13/10(2006.01) (52) Cooperative Patent Classification (CPC): F21V 33/0088; F24F 13/078; F21S 8/038; F21V 21/005 (86) International application number: PCT/EP2022/073982 (87) International publication number: WO 2023/025968 (02.03.2023 Gazette 2023/09)

(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 (30) Priority: 27.08.2021 BE 202105681 03.09.2021 BE 202105692 07.09.2021 BE 202105694 07.09.2021 BE 202105695 (71) Applicant: Delta Light NV 8560 Wevelgem (Moorsele) (BE)	(72) Inventors: DEMUNSTER, Maarten Robrecht Michel 9030 Mariakerke (BE) AMELOOT, Paul Jozef Cornelius 8800 Roeselare (BE) AMELOOT, Peter Omer Hubert 8800 Roeselare (BE) (74) Representative: Arnold & Siedsma  Bezuidenhoutseweg 57 2594 AC The Hague 2594 AC The Hague (NL)