(19)

(11)

EP 3 900 057 A1

(12)

(43) Date of publication: 27.10.2021 Bulletin 2021/43 (21) Application number: 19858667.9 (22) Date of filing: 20.12.2019

(51) International Patent Classification (IPC):  H01L 33/44(2010.01) H01L 33/50(2010.01) (52) Cooperative Patent Classification (CPC): H01L 33/44; H01L 33/508 (86) International application number: PCT/IB2019/001388 (87) International publication number: WO 2020/128629 (25.06.2020 Gazette 2020/26)

(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: 21.12.2018 US 201816230811 13.02.2019 EP 19156833 (71) Applicant: Lumileds Holding B.V. 1118 CL Schiphol (NL)	(72) Inventors: LOPEZ-JULIA, Antonio 52068 Aachen (DE) TAMMA, Venkata Ananth San Jose, CA 95131 (US) (74) Representative: dompatent von Kreisler Selting Werner - Partnerschaft von Patent- und Rechtsanwälten mbB  Deichmannhaus am Dom Bahnhofsvorplatz 1 50667 Köln 50667 Köln (DE)