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(11)

EP 2 839 068 A1

(12)

(43) Date of publication: 25.02.2015 Bulletin 2015/09 (21) Application number: 13873043.7 (22) Date of filing: 10.07.2013

(51) International Patent Classification (IPC):  D06F 37/30(2006.01) (86) International application number: PCT/KR2013/006139 (87) International publication number: WO 2014/115938 (31.07.2014 Gazette 2014/31)

(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 (30) Priority: 25.01.2013 KR 20130008502 25.01.2013 KR 20130008503 (71) Applicant: LG Electronics Inc. Seoul-si 150-721 (KR)	(72) Inventor: FUKUI, Ikuma Changwon-si Gyeongsangnam-do 641-711 (KR) (74) Representative: Vossius & Partner  Siebertstrasse 3 81675 München 81675 München (DE)