(19)

(11)

EP 2 206 414 A2

(12)

(88) Date of publication A3: 09.07.2009 (43) Date of publication: 14.07.2010 Bulletin 2010/28 (21) Application number: 08845841.9 (22) Date of filing: 09.10.2008

(51) International Patent Classification (IPC):  H05B 41/298(2006.01) (86) International application number: PCT/EP2008/063565 (87) International publication number: WO 2009/056431 (07.05.2009 Gazette 2009/19)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 30.10.2007 CN 200710165719 (71) Applicant: Osram Gesellschaft mit beschränkter Haftung 81543 München (DE)	(72) Inventors: CHEN, Wei Guangzhou 511400 (CN) HECKMANN, Markus 81379 München (DE)