(19)

(11)

EP 4 139 605 A1

(12)

(43) Date of publication: 01.03.2023 Bulletin 2023/09 (21) Application number: 21722549.9 (22) Date of filing: 19.04.2021

(51) International Patent Classification (IPC):  F21S 2/00(2006.01) F21V 21/096(2006.01) (52) Cooperative Patent Classification (CPC): F21S 2/00; F21V 21/096; F21V 23/06; G09F 13/0404; G09F 2013/222 (86) International application number: PCT/IB2021/053193 (87) International publication number: WO 2021/214620 (28.10.2021 Gazette 2021/43)

(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: 22.04.2020 IT 202000008587 (71) Applicant: Laser Design Srl 50013 Campi Bisenzio (IT)	(72) Inventor: MELONI, Ugo 51034 Serravalle Pistoiese (IT) (74) Representative: Emmi, Mario  Studio Brevetti Turini Srl Viale Matteotti, 25 50121 Firenze (FI) 50121 Firenze (FI) (IT)