(19)

(11)

EP 4 078 027 A1

(12)

(43) Date of publication: 26.10.2022 Bulletin 2022/43 (21) Application number: 20837962.8 (22) Date of filing: 16.12.2020

(51) International Patent Classification (IPC):  F21V 5/00(2018.01) F21V 17/16(2006.01) F21V 21/02(2006.01) F21Y 115/10(2016.01) F21V 7/00(2006.01) F21V 19/00(2006.01) F21Y 103/10(2016.01) (52) Cooperative Patent Classification (CPC): F21V 5/007; F21V 7/0083; F21V 17/164; F21V 19/004; F21V 21/025; F21Y 2115/10; F21Y 2103/10 (86) International application number: PCT/EP2020/086571 (87) International publication number: WO 2021/122844 (24.06.2021 Gazette 2021/25)

(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: 20.12.2019 GB 201919453 (71) Applicant: Thorn Lighting Limited Spennymoor, Durham DL16 6HL (GB)	(72) Inventors: CARROLL, Paul Durham DL39YA (GB) POTTER, Kenneth Durham (GB) BOWNESS, Anton Newcastle Upon Tyne, Shiremoor (GB) BROWN, Nigel Durham DH7 6XJ (GB) (74) Representative: Kiwit, Benedikt  Mitscherlich PartmbB Patent- und Rechtsanwälte Sonnenstraße 33 80331 München 80331 München (DE)