(19)

(11)

EP 3 610 555 A1

(12)

(43) Date of publication: 19.02.2020 Bulletin 2020/08 (21) Application number: 18785165.4 (22) Date of filing: 09.04.2018

(51) International Patent Classification (IPC):  H02J 50/10(2016.01) H02J 50/80(2016.01) H02J 7/34(2006.01) (86) International application number: PCT/KR2018/004142 (87) International publication number: WO 2018/190593 (18.10.2018 Gazette 2018/42)

(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: 12.04.2017 US 201762484473 P 27.06.2017 KR 20170081282 (71) Applicant: Samsung Electronics Co., Ltd. Suwon-si, Gyeonggi-do 16677 (KR)	(72) Inventors: KIM, Young-Joon Gyeonggi-do 16677 (KR) LEE, Sang-Wook Gyeonggi-do 16677 (KR) KIM, Ki-Young Gyeonggi-do 16677 (KR) KIM, Dae-Hyun Gyeonggi-do 16677 (KR) JUNG, Ji-Hoon Gyeonggi-do 16677 (KR) (74) Representative: Appleyard Lees IP LLP  15 Clare Road Halifax HX1 2HY Halifax HX1 2HY (GB)