(19)

(11)

EP 3 803 983 A1

(12)

(43) Date of publication: 14.04.2021 Bulletin 2021/15 (21) Application number: 19720201.3 (22) Date of filing: 06.03.2019

(51) International Patent Classification (IPC):  H01L 31/0224(2006.01) H01L 31/0468(2014.01) H01L 31/0463(2014.01) H02S 20/24(2014.01) (86) International application number: PCT/RU2019/000146 (87) International publication number: WO 2019/231350 (05.12.2019 Gazette 2019/49)

(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: 29.05.2018 RU 2018119776 (71) Applicant: Obshchestvo S Ogranichennoi Otvetstvennost'iu "Solartek" Moscow, g. Troitsk, 108841 (RU)	(72) Inventors: IAKOVLEV, Dmitrii Aleksandrovich Moscow, 119071 (RU) ZAKIROV, Evgenii Rashitovich Linevo, 633216 (RU) (74) Representative: Lapienis, Juozas  MSP Europe UAB 21-92 Seimyniskiu Str. 09236 Vilnius 09236 Vilnius (LT)