(19)

(11)

EP 4 817 360 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24813405.8 (22) Date of filing: 27.11.2024

(51) International Patent Classification (IPC):  H05B 47/155(2020.01) H05B 45/10(2020.01) F21S 10/06(2006.01) H05B 35/00(2006.01) F21W 131/406(2006.01) F21Y 105/16(2016.01) F21Y 115/10(2016.01) F21Y 113/13(2016.01) H05B 47/165(2020.01) H05B 45/20(2020.01) F21S 10/02(2006.01) H05B 47/175(2020.01) F21Y 105/12(2016.01) F21Y 113/17(2016.01) F21W 121/00(2006.01) (52) Cooperative Patent Classification (CPC): H05B 47/155; F21W 2131/406; F21Y 2105/16; F21Y 2115/10; H05B 35/00; H05B 45/10; H05B 45/20; H05B 47/184; H05B 47/165; G09G 3/32; F21S 10/023; F21S 10/06; F21Y 2113/13; F21V 21/30 (86) International application number: PCT/EP2024/083733 (87) International publication number: WO 2025/114347 (05.06.2025 Gazette 2025/23)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 01.12.2023 EP 23213743 (71) Applicant: GLP German Light Products GmbH 76307 Karlsbad (DE)	(72) Inventor: KÜNZLER, Udo 76307 Karlsbad (DE) (74) Representative: Pfitzner, Hannes et al Schoppe, Zimmermann, Stöckeler Zinkler, Schenk & Partner mbB Patentanwälte Radlkoferstraße 2 81373 München 81373 München (DE)