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(11)

EP 2 823 348 A1

(12)

(43) Date of publication: 14.01.2015 Bulletin 2015/03 (21) Application number: 13707017.3 (22) Date of filing: 04.03.2013

(51) International Patent Classification (IPC):  G02B 27/09(2006.01) F21V 5/04(2006.01) F21S 8/10(2006.01) F21V 13/04(2006.01) (86) International application number: PCT/EP2013/054299 (87) International publication number: WO 2013/131860 (12.09.2013 Gazette 2013/37)

(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: 09.03.2012 CN 201210062319 (71) Applicant: OSRAM GmbH 80807 München (DE)	(72) Inventors: MING, Yusheng Shenzhen, Guangdong 518053 (CN) LIU, Tingming Shenzhen, Guangdong 518053 (CN) SUN, Xiaoqing Shenzhen, Guangdong 518053 (CN) YUAN, Weilai Shenzhen, Guangdong 518053 (CN)