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(11)

EP 3 909 124 A1

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(43) Date of publication: 17.11.2021 Bulletin 2021/46 (21) Application number: 20738754.9 (22) Date of filing: 03.01.2020

(51) International Patent Classification (IPC):  H02M 7/00(2006.01) H05K 5/02(2006.01) H05K 5/00(2006.01) H05K 7/14(2006.01) (52) Cooperative Patent Classification (CPC): H05K 5/00; H05K 7/14; H05K 5/02; H02M 7/00 (86) International application number: PCT/US2020/012167 (87) International publication number: WO 2020/146204 (16.07.2020 Gazette 2020/29)

(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: 10.01.2019 US 201962790965 P 04.02.2019 US 201916266771 14.10.2019 US 201962914847 P 21.10.2019 US 201916658630 (71) Applicant: Cree, Inc. Durham, NC 27703 (US)

(72) Inventors: FEURTADO, Matthew Fayetteville, Arkansas 72701 (US) MCPHERSON, Brice Fayetteville, Arkansas 72701 (US) MARTIN, Daniel Fayetteville, Arkansas 72701 (US) LOSTETTER, Alexander Fayetteville, Arkansas 72701 (US) (74) Representative: Isarpatent  Patent- und Rechtsanwälte Barth Charles Hassa Peckmann & Partner mbB Friedrichstrasse 31 80801 München 80801 München (DE)