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EP 3 294 943 A1

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(43) Date of publication: 21.03.2018 Bulletin 2018/12 (21) Application number: 16792992.6 (22) Date of filing: 11.05.2016

(51) International Patent Classification (IPC):  D06F 58/20(2006.01) D06F 58/22(2006.01) D06F 25/00(2006.01) D06F 58/26(2006.01) D06F 39/04(2006.01) (86) International application number: PCT/KR2016/004941 (87) International publication number: WO 2016/182346 (17.11.2016 Gazette 2016/46)

(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: MA MD (30) Priority: 11.05.2015 KR 20150065481 (71) Applicant: LG Electronics Inc. Yeongdeungpo-gu Seoul 07336 (KR)	(72) Inventors: LEE, Hoosun Seoul 08592 (KR) HAN, Seungwoo Seoul 08592 (KR) KIM, Jeongkon Seoul 08592 (KR) (74) Representative: Ter Meer Steinmeister & Partner  Patentanwälte mbB Nymphenburger Straße 4 80335 München 80335 München (DE)