(19)

(11)

EP 4 244 541 A1

(12)

(43) Date of publication: 20.09.2023 Bulletin 2023/38 (21) Application number: 21805900.4 (22) Date of filing: 02.11.2021

(51) International Patent Classification (IPC):  F24F 8/22(2021.01) H05B 47/105(2020.01) (52) Cooperative Patent Classification (CPC): H05B 47/105 (86) International application number: PCT/EP2021/080365 (87) International publication number: WO 2022/101057 (19.05.2022 Gazette 2022/20)

(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: 10.11.2020 US 202063111928 P 12.11.2020 EP 20207141 (71) Applicant: Signify Holding B.V. 5656 AE Eindhoven (NL)	(72) Inventors: WENDT, Matthias 5656 AE Eindhoven (NL) DEIXLER, Peter 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)