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(11)

EP 3 411 678 A1

(12)

(43) Date of publication: 12.12.2018 Bulletin 2018/50 (21) Application number: 17701725.8 (22) Date of filing: 30.01.2017

(51) International Patent Classification (IPC):  G01J 1/42(2006.01) G01J 5/12(2006.01) H05B 37/02(2006.01) G01J 1/02(2006.01) G01J 5/02(2006.01) E06B 9/32(2006.01) E06B 9/68(2006.01) G01J 5/08(2006.01) (86) International application number: PCT/EP2017/051924 (87) International publication number: WO 2017/134012 (10.08.2017 Gazette 2017/32)

(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: 05.02.2016 US 201662291647 P 19.04.2016 EP 16165981 (71) Applicant: Philips Lighting Holding B.V. 5656 AE Eindhoven (NL)	(72) Inventors: GOPAL SAMY, Mathan, Kumar 5656 AE Eindhoven (NL) PATEL, Maulin, Dahyabhai 5656 AE Eindhoven (NL) (74) Representative: Verweij, Petronella Daniëlle  Philips Lighting B.V. Philips Lighting Intellectual Property High Tech Campus 7 5656 AE Eindhoven 5656 AE Eindhoven (NL)