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EP 2 049 844 A2

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(43) Date of publication: 22.04.2009 Bulletin 2009/17 (21) Application number: 07746799.1 (22) Date of filing: 31.05.2007

(51) International Patent Classification (IPC):  F24F 1/00(2006.01) F24F 13/20(2006.01) F24F 13/28(2006.01) (86) International application number: PCT/KR2007/002652 (87) International publication number: WO 2008/018679 (14.02.2008 Gazette 2008/07)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 11.08.2006 KR 20060076252 20.09.2006 KR 20060091083 20.09.2006 KR 20060091087 20.09.2006 KR 20060091088 20.09.2006 KR 20060091092 (71) Applicant: LG Electronics, Inc. Seoul 150-010 (KR)

(72) Inventors: KOH, Yong-Sul Changwon-shi, Gyungsangnam-do 641-465 (KR) WOO, Hyung-Joo Busan 614-100 (KR) KIM, Jeong-Hun Changwon-shi, Gyungsangnam-do 641-120 (KR) YANG, Si-Tae Seoul 137-060 (KR) JANG, Kyu-Sup Changwon-shi, Gyungsangnam-do 641-110 (KR) KIM, Ji-Won Busan 604-010 (KR) KIM, Se-Hyun Seoul 122-130 (KR) SONG, Hye-Young Daejeon 302-220 (KR) PARK, Nae-Hyun Changwon-shi, Gyungsangnam-do 641-110 (KR) KIM, Kang-Young Masan-shi, Gyungsangnam-do 630-512 (KR) (74) Representative: Palmer, Jonathan R.  Boult Wade Tennant, Verulam Gardens, 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)