(19)

(11)

EP 3 915 335 A1

(12)

(43) Date of publication: 01.12.2021 Bulletin 2021/48 (21) Application number: 20704996.6 (22) Date of filing: 23.01.2020

(51) International Patent Classification (IPC):  H05B 33/08(2020.01) H05B 45/325(2020.01) H05B 45/20(2020.01) (52) Cooperative Patent Classification (CPC): H05B 45/46; H05B 45/325; H05B 45/20 (86) International application number: PCT/US2020/014857 (87) International publication number: WO 2020/154547 (30.07.2020 Gazette 2020/31)

(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: 25.01.2019 US 201916258193 27.03.2019 EP 19165527 16.08.2019 US 201916543230 (71) Applicant: Lumileds Holding B.V. 1118 CL Schiphol (NL)	(72) Inventors: QUI, Yifeng 1118 CL Schipol (NL) GRANT, John 1118 CL Schipol (NL) (74) Representative: Beckord & Niedlich Patentanwälte PartG mbB  Marktplatz 17 83607 Holzkirchen 83607 Holzkirchen (DE)