(19)

(11)

EP 3 320 260 A1

(12)

(43) Date of publication: 16.05.2018 Bulletin 2018/20 (21) Application number: 16739580.5 (22) Date of filing: 08.07.2016

(51) International Patent Classification (IPC):  F21V 31/00(2006.01) F21V 7/00(2006.01) F21V 21/30(2006.01) F21S 8/02(2006.01) F21V 14/06(2006.01) (86) International application number: PCT/IB2016/054108 (87) International publication number: WO 2017/006289 (12.01.2017 Gazette 2017/02)

(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 Designated Validation States: MA MD (30) Priority: 09.07.2015 GB 201512014 (71) Applicant: Aurora Limited Welwyn Garden City AL7 4SW (GB)	(72) Inventor: MAO, Hui Barnet Greater London EN4 8TN (GB)