(19)

(11)

EP 3 874 910 A1

(12)

(43) Date of publication: 08.09.2021 Bulletin 2021/36 (21) Application number: 19790181.2 (22) Date of filing: 16.10.2019

(51) International Patent Classification (IPC):  H05B 33/08(2020.01) H02M 3/335(2006.01) (86) International application number: PCT/EP2019/078064 (87) International publication number: WO 2020/088934 (07.05.2020 Gazette 2020/19)

(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: 29.10.2018 WO PCT/CN2018/112467 19.12.2018 EP 18213961 (71) Applicant: Signify Holding B.V. 5656 AE Eindhoven (NL)	(72) Inventors: JIN, Gaoxian 5656 AE Eindhoven (NL) DE HEER GALISTEO, Raimundo 5656 AE Eindhoven (NL) LIU, Jing 5656 AE Eindhoven (NL) VELDMAN, Paul, Robert 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)