(19)

(11)

EP 2 435 618 A2

(12)

(88) Date of publication A3: 27.01.2011 (43) Date of publication: 04.04.2012 Bulletin 2012/14 (21) Application number: 10780804.0 (22) Date of filing: 27.05.2010

(51) International Patent Classification (IPC):  D06F 37/22(2006.01) (86) International application number: PCT/KR2010/003377 (87) International publication number: WO 2010/137893 (02.12.2010 Gazette 2010/48)

(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 SE SI SK SM TR (30) Priority: 28.05.2009 KR 20090047192 27.08.2009 KR 20090079950 18.05.2010 KR 20100046481 (71) Applicant: LG Electronics Inc. Seoul 150-721 (KR)	(72) Inventors: KWON, Ig Geun Changwon-si Gyeongsangnam-do 641-711 (KR) KIM, Young Suk Seoul 153-802 (KR) SEO, Hyun Seok Seoul 153-802 (KR) JO, Min Gyu Seoul 153-802 (KR) (74) Representative: Urner, Peter  ter Meer Steinmeister & Partner GbR Mauerkircherstrasse 45 D-81679 München D-81679 München (DE)