(19)

(11)

EP 3 811 139 A2

(12)

(88) Date of publication A3: 28.05.2020 (43) Date of publication: 28.04.2021 Bulletin 2021/17 (21) Application number: 19839403.3 (22) Date of filing: 25.06.2019

(51) International Patent Classification (IPC):  G02B 19/00(2006.01) F21S 41/255(2018.01) F21S 41/27(2018.01) F21S 41/143(2018.01) F21S 41/265(2018.01) G02B 27/09(2006.01) (86) International application number: PCT/HU2019/050031 (87) International publication number: WO 2020/039219 (27.02.2020 Gazette 2020/09)

(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: KH MA MD TN (30) Priority: 25.06.2018 HU 1800222 (71) Applicant: Hungarolux Light Kft. 1171 Budapest (HU)	(72) Inventor: MAJOR, Csaba Ferenc 3300 Eger (HU) (74) Representative: Danubia Patent & Law Office LLC  Bajcsy-Zsilinszky út 16 1051 Budapest 1051 Budapest (HU)